# -*- coding: utf-8 -*- ############################################################################## # # Copyright (c) 2002-2009 Nexedi SARL. All Rights Reserved. # Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved. # # This software is subject to the provisions of the Zope Public License, # Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution. # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS # FOR A PARTICULAR PURPOSE # ############################################################################## from Persistence import Persistent, PersistentMapping import Acquisition import ExtensionClass import OFS.History from App.class_init import default__class_init__ as InitializeClass from App.special_dtml import DTMLFile from thread import allocate_lock, get_ident from OFS.Folder import Folder from AccessControl import ClassSecurityInfo from BTrees.OIBTree import OIBTree from App.config import getConfiguration from BTrees.Length import Length from Shared.DC.ZRDB.TM import TM from Acquisition import aq_parent, aq_inner, aq_base from zLOG import LOG, WARNING, INFO, TRACE, ERROR from ZODB.POSException import ConflictError from Products.PythonScripts.Utility import allow_class import time import sys import urllib import string import pprint import re import warnings from contextlib import contextmanager from cStringIO import StringIO from xml.dom.minidom import parse from xml.sax.saxutils import escape, quoteattr import os from hashlib import md5 from interfaces.query_catalog import ISearchKeyCatalog from zope.interface.verify import verifyClass from zope.interface import implements from SearchText import isAdvancedSearchText, dequote # Try to import ActiveObject in order to make SQLCatalog active try: from Products.CMFActivity.ActiveObject import ActiveObject except ImportError: ActiveObject = ExtensionClass.Base PROFILING_ENABLED = False if PROFILING_ENABLED: from tiny_profiler import profiler_decorator, profiler_report, profiler_reset else: def profiler_decorator(func): return func try: from Products.CMFCore.Expression import Expression from Products.PageTemplates.Expressions import getEngine from Products.CMFCore.utils import getToolByName new_context_search = re.compile(r'\bcontext\b').search withCMF = 1 except ImportError: withCMF = 0 try: import psyco except ImportError: psyco = None @contextmanager def noReadOnlyTransactionCache(): yield try: from Products.ERP5Type.Cache import \ readOnlyTransactionCache, caching_instance_method except ImportError: LOG('SQLCatalog', WARNING, 'Count not import caching_instance_method, expect slowness.') def caching_instance_method(*args, **kw): return lambda method: method readOnlyTransactionCache = noReadOnlyTransactionCache try: from Products.ERP5Type.TransactionalVariable import getTransactionalVariable except ImportError: LOG('SQLCatalog', WARNING, 'Count not import getTransactionalVariable, expect slowness.') def getTransactionalVariable(): return {} def getInstanceID(instance): # XXX: getPhysicalPath is overkill for a unique cache identifier. # What I would like to use instead of it is: # (self._p_jar.db().database_name, self._p_oid) # but database_name is not unique in at least ZODB 3.4 (Zope 2.8.8). return instance.getPhysicalPath() def generateCatalogCacheId(method_id, self, *args, **kwd): return str((method_id, self.getCacheSequenceNumber(), getInstanceID(self), args, kwd)) class transactional_cache_decorator: """ Implements singleton-style caching. Wrapped method must have no parameters (besides "self"). """ def __init__(self, cache_id): self.cache_id = cache_id def __call__(self, method): def wrapper(wrapped_self): transactional_cache = getTransactionalVariable() cache_id = str((self.cache_id, wrapped_self.getCacheSequenceNumber(), getInstanceID(wrapped_self), )) try: result = transactional_cache[cache_id] except KeyError: result = transactional_cache[cache_id] = method(wrapped_self) return result return wrapper list_type_list = list, tuple, set, frozenset try: from ZPublisher.HTTPRequest import record except ImportError: dict_type_list = (dict, ) else: dict_type_list = (dict, record) UID_BUFFER_SIZE = 300 OBJECT_LIST_SIZE = 300 # XXX 300 is arbitrary value of catalog object list MAX_PATH_LEN = 255 RESERVED_KEY_LIST = ('where_expression', 'sort-on', 'sort_on', 'sort-order', 'sort_order', 'limit', 'format', 'search_mode', 'operator', 'selection_domain', 'selection_report', 'extra_key_list', ) valid_method_meta_type_list = ('Z SQL Method', 'LDIF Method', 'Script (Python)') # Nicer manage_addSQLCatalogForm = DTMLFile('dtml/addSQLCatalog',globals()) # Here go uid buffers # Structure: # global_uid_buffer_dict[catalog_path][thread_id] = UidBuffer global_uid_buffer_dict = {} def manage_addSQLCatalog(self, id, title, vocab_id='create_default_catalog_', # vocab_id is a strange name - not abbreviation REQUEST=None): """Add a Catalog object """ id = str(id) title = str(title) vocab_id = str(vocab_id) if vocab_id == 'create_default_catalog_': vocab_id = None c = Catalog(id, title, self) self._setObject(id, c) if REQUEST is not None: return self.manage_main(self, REQUEST,update_menu=1) class UidBuffer(TM): """Uid Buffer class caches a list of reserved uids in a transaction-safe way.""" def __init__(self): """Initialize some variables. temporary_buffer is used to hold reserved uids created by non-committed transactions. finished_buffer is used to hold reserved uids created by committed-transactions. This distinction is important, because uids by non-committed transactions might become invalid afterwards, so they may not be used by other transactions.""" self.temporary_buffer = {} self.finished_buffer = [] def _finish(self): """Move the uids in the temporary buffer to the finished buffer.""" tid = get_ident() try: self.finished_buffer.extend(self.temporary_buffer[tid]) del self.temporary_buffer[tid] except KeyError: pass def _abort(self): """Erase the uids in the temporary buffer.""" tid = get_ident() try: del self.temporary_buffer[tid] except KeyError: pass def __len__(self): tid = get_ident() l = len(self.finished_buffer) try: l += len(self.temporary_buffer[tid]) except KeyError: pass return l def remove(self, value): self._register() for uid_list in self.temporary_buffer.values(): try: uid_list.remove(value) except ValueError: pass try: self.finished_buffer.remove(value) except ValueError: pass def pop(self): self._register() tid = get_ident() try: uid = self.temporary_buffer[tid].pop() except (KeyError, IndexError): uid = self.finished_buffer.pop() return uid def extend(self, iterable): self._register() tid = get_ident() self.temporary_buffer.setdefault(tid, []).extend(iterable) class DummyDict(dict): def __setitem__(self, key, value): pass related_key_definition_cache = {} related_key_warned_column_set = set() class Catalog(Folder, Persistent, Acquisition.Implicit, ActiveObject, OFS.History.Historical): """ An Object Catalog An Object Catalog maintains a table of object metadata, and a series of manageable indexes to quickly search for objects (references in the metadata) that satisfy a search where_expression. This class is not Zope specific, and can be used in any python program to build catalogs of objects. Note that it does require the objects to be Persistent, and thus must be used with ZODB3. uid -> the (local) universal ID of objects path -> the (local) path of objects If you pass it a keyword argument which is present in sql_catalog_full_text_search_keys (in catalog properties), it does a MySQL full-text search. Additionally you can pass it a search_mode argument ('natural', 'in_boolean_mode' or 'with_query_expansion') to use an advanced search mode ('natural' is the default). search_mode arg can be given for all full_text keys, or for a specific key by naming the argument search_mode_KeyName, or even more specifically, search_mode_Table.Key or search_mode_Table_Key """ implements(ISearchKeyCatalog) meta_type = "SQLCatalog" icon = 'misc_/ZCatalog/ZCatalog.gif' # FIXME: use a different icon security = ClassSecurityInfo() manage_options = ( {'label': 'Contents', # TAB: Contents 'action': 'manage_main', 'help': ('OFSP','ObjectManager_Contents.stx')}, {'label': 'Catalog', # TAB: Catalogged Objects 'action': 'manage_catalogView', 'help':('ZCatalog','ZCatalog_Cataloged-Objects.stx')}, {'label': 'Properties', # TAB: Properties 'action': 'manage_propertiesForm', 'help': ('OFSP','Properties.stx')}, {'label': 'Filter', # TAB: Filter 'action': 'manage_catalogFilter',}, {'label': 'Find Objects', # TAB: Find Objects 'action': 'manage_catalogFind', 'help':('ZCatalog','ZCatalog_Find-Items-to-ZCatalog.stx')}, {'label': 'Advanced', # TAB: Advanced 'action': 'manage_catalogAdvanced', 'help':('ZCatalog','ZCatalog_Advanced.stx')}, {'label': 'Undo', # TAB: Undo 'action': 'manage_UndoForm', 'help': ('OFSP','Undo.stx')}, {'label': 'Security', # TAB: Security 'action': 'manage_access', 'help': ('OFSP','Security.stx')}, {'label': 'Ownership', # TAB: Ownership 'action': 'manage_owner', 'help': ('OFSP','Ownership.stx'),} ) + OFS.History.Historical.manage_options __ac_permissions__= ( ('Manage ZCatalog Entries', ['manage_catalogObject', 'manage_uncatalogObject', 'manage_catalogView', 'manage_catalogFind', 'manage_catalogFilter', 'manage_catalogAdvanced', 'manage_catalogReindex', 'manage_catalogFoundItems', 'manage_catalogClear', 'manage_main', 'manage_editFilter', ], ['Manager']), ('Search ZCatalog', ['searchResults', '__call__', 'uniqueValuesFor', 'all_meta_types', 'valid_roles', 'getCatalogSearchTableIds', 'getFilterableMethodList',], ['Anonymous', 'Manager']), ('Import/Export objects', ['manage_exportProperties', 'manage_importProperties', ], ['Manager']), ) _properties = ( { 'id' : 'title', 'description' : 'The title of this catalog', 'type' : 'string', 'mode' : 'w' }, # Z SQL Methods { 'id' : 'sql_catalog_produce_reserved', 'description' : 'A method to produce new uid values in advance', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_clear_reserved', 'description' : 'A method to clear reserved uid values', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_reserve_uid', 'description' : 'A method to reserve a uid value', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_delete_uid', 'description' : 'A method to delete a uid value', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_object_list', 'description' : 'Methods to be called to catalog the list of objects', 'type' : 'multiple selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_uncatalog_object', 'description' : 'Methods to be called to uncatalog an object', 'type' : 'multiple selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_translation_list', 'description' : 'Methods to be called to catalog the list of translation objects', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_delete_translation_list', 'description' : 'Methods to be called to delete translations', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_clear_catalog', 'description' : 'The methods which should be called to clear the catalog', 'type' : 'multiple selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_record_object_list', 'description' : 'Method to record catalog information', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_read_recorded_object_list', 'description' : 'Method to get recorded information', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_delete_recorded_object_list', 'description' : 'Method to delete recorded information', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_search_results', 'description' : 'Main method to search the catalog', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_search_security', 'description' : 'Main method to search security', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_search_tables', 'description' : 'Tables to join in the result', 'type' : 'multiple selection', 'select_variable' : 'getTableIds', 'mode' : 'w' }, { 'id' : 'sql_search_result_keys', 'description' : 'Keys to display in the result', 'type' : 'multiple selection', 'select_variable' : 'getResultColumnIds', 'mode' : 'w' }, { 'id' : 'sql_count_results', 'description' : 'Main method to search the catalog', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_getitem_by_path', 'description' : 'Get a catalog brain by path', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_getitem_by_uid', 'description' : 'Get a catalog brain by uid', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_tables', 'description' : 'Method to get the main catalog tables', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_schema', 'description' : 'Method to get the main catalog schema', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_index', 'description' : 'Method to get the main catalog index', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_unique_values', 'description' : 'Find unique disctinct values in a column', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_paths', 'description' : 'List all object paths in catalog', 'type' : 'selection', 'select_variable' : 'getCatalogMethodIds', 'mode' : 'w' }, { 'id': 'sql_catalog_search_keys', 'title': 'Search Key Mappings', 'description': 'A list of Search Key mappings', 'type': 'lines', 'mode': 'w' }, { 'id' : 'sql_catalog_keyword_search_keys', 'description' : 'Columns which should be considered as keyword search', 'type' : 'multiple selection', 'select_variable' : 'getColumnIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_datetime_search_keys', 'description' : 'Columns which should be considered as datetime search', 'type' : 'multiple selection', 'select_variable' : 'getColumnIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_full_text_search_keys', 'description' : 'Columns which should be considered as full text search', 'type' : 'multiple selection', 'select_variable' : 'getColumnIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_request_keys', 'description' : 'Columns which should be ignore in the REQUEST in order to accelerate caching', 'type' : 'multiple selection', 'select_variable' : 'getColumnIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_multivalue_keys', 'description' : 'Keys which hold multiple values', 'type' : 'multiple selection', 'select_variable' : 'getColumnIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_index_on_order_keys', 'description' : 'Columns which should be used by specifying an index when sorting on them', 'type' : 'multiple selection', 'select_variable' : 'getSortColumnIds', 'mode' : 'w' }, { 'id' : 'sql_catalog_topic_search_keys', 'description' : 'Columns which should be considered as topic index', 'type' : 'lines', 'mode' : 'w' }, { 'id' : 'sql_catalog_related_keys', 'title' : 'Related keys', 'description' : 'Additional columns obtained through joins', 'type' : 'lines', 'mode' : 'w' }, { 'id' : 'sql_catalog_scriptable_keys', 'title' : 'Related keys', 'description' : 'Virtual columns to generate scriptable scriptable queries', 'type' : 'lines', 'mode' : 'w' }, { 'id': 'sql_catalog_role_keys', 'title': 'Role keys', 'description': 'Columns which should be used to map a monovalued role', 'type': 'lines', 'mode': 'w' }, { 'id': 'sql_catalog_local_role_keys', 'title': 'Local Role keys', 'description': 'Columns which should be used to map' \ 'a monovalued local role', 'type': 'lines', 'mode': 'w' }, { 'id': 'sql_catalog_security_uid_columns', 'title': 'Security Uid Columns', 'description': 'A list of mappings "local_roles_group_id | security_uid_column"' ' local_roles_group_id will be the name of a local roles' ' group, and security_uid_column is the corresponding' ' column in catalog table', 'type': 'lines', 'mode': 'w' }, { 'id': 'sql_catalog_table_vote_scripts', 'title': 'Table vote scripts', 'description': 'Scripts helping column mapping resolution', 'type': 'multiple selection', 'select_variable' : 'getPythonMethodIds', 'mode': 'w' }, { 'id': 'sql_catalog_raise_error_on_uid_check', 'title': 'Raise error on UID check', 'description': 'Boolean used to tell if we raise error when uid check fail', 'type': 'boolean', 'default' : True, 'mode': 'w' }, ) sql_catalog_produce_reserved = '' sql_catalog_delete_uid = '' sql_catalog_clear_reserved = '' sql_catalog_reserve_uid = '' sql_catalog_object_list = () sql_uncatalog_object = () sql_clear_catalog = () sql_catalog_translation_list = '' sql_delete_translation_list = '' sql_record_object_list = '' sql_read_recorded_object_list = '' sql_delete_recorded_object_list = '' sql_search_results = '' sql_search_security = '' sql_count_results = '' sql_getitem_by_path = '' sql_getitem_by_uid = '' sql_catalog_tables = '' sql_search_tables = () sql_catalog_schema = '' sql_catalog_index = '' sql_unique_values = '' sql_catalog_paths = '' sql_catalog_search_keys = () sql_catalog_keyword_search_keys = () sql_catalog_datetime_search_keys = () sql_catalog_full_text_search_keys = () sql_catalog_request_keys = () sql_search_result_keys = () sql_catalog_topic_search_keys = () sql_catalog_multivalue_keys = () sql_catalog_index_on_order_keys = () sql_catalog_related_keys = () sql_catalog_scriptable_keys = () sql_catalog_role_keys = () sql_catalog_local_role_keys = () sql_catalog_security_uid_columns = (' | security_uid',) sql_catalog_table_vote_scripts = () sql_catalog_raise_error_on_uid_check = True # These are ZODB variables, so shared by multiple Zope instances. # This is set to the last logical time when clearReserved is called. _last_clear_reserved_time = 0 # This is to record the maximum value of uids. Because this uses the class Length # in BTrees.Length, this does not generate conflict errors. _max_uid = None # These are class variable on memory, so shared only by threads in the same Zope instance. # This is set to the time when reserved uids are cleared in this Zope instance. _local_clear_reserved_time = None # This is used for exclusive access to the list of reserved uids. _reserved_uid_lock = allocate_lock() # This is an instance id which specifies who owns which reserved uids. _instance_id = getattr(getConfiguration(), 'instance_id', None) manage_catalogView = DTMLFile('dtml/catalogView',globals()) manage_catalogFilter = DTMLFile('dtml/catalogFilter',globals()) manage_catalogFind = DTMLFile('dtml/catalogFind',globals()) manage_catalogAdvanced = DTMLFile('dtml/catalogAdvanced', globals()) _cache_sequence_number = 0 def __init__(self, id, title='', container=None): if container is not None: self=self.__of__(container) self.id=id self.title=title self.schema = {} # mapping from attribute name to column self.names = {} # mapping from column to attribute name self.indexes = {} # empty mapping self.filter_dict = PersistentMapping() def getCacheSequenceNumber(self): return self._cache_sequence_number def _clearCaches(self): self._cache_sequence_number += 1 def getSQLCatalogRoleKeysList(self): """ Return the list of role keys. """ role_key_dict = {} for role_key in self.sql_catalog_role_keys: role, column = role_key.split('|') role_key_dict[role.strip()] = column.strip() return role_key_dict.items() def getSQLCatalogSecurityUidGroupsColumnsDict(self): """ Return a mapping of local_roles_group_id name to the name of the column storing corresponding security_uid. The default mappiny is {'': 'security_uid'} """ local_roles_group_id_dict = {} for local_roles_group_id_key in self.sql_catalog_security_uid_columns: local_roles_group_id, column = local_roles_group_id_key.split('|') local_roles_group_id_dict[local_roles_group_id.strip()] = column.strip() return local_roles_group_id_dict def getSQLCatalogLocalRoleKeysList(self): """ Return the list of local role keys. """ local_role_key_dict = {} for role_key in self.sql_catalog_local_role_keys: role, column = role_key.split('|') local_role_key_dict[role.strip()] = column.strip() return local_role_key_dict.items() def manage_exportProperties(self, REQUEST=None, RESPONSE=None): """ Export properties to an XML file. """ f = StringIO() f.write('<?xml version="1.0"?>\n<SQLCatalogData>\n') property_id_list = self.propertyIds() # Get properties and values property_list = [] for property_id in property_id_list: value = self.getProperty(property_id) if value is not None: property_list.append((property_id, value)) # Sort for easy diff property_list.sort(key=lambda x: x[0]) for property in property_list: property_id = property[0] value = property[1] if isinstance(value, basestring): f.write(' <property id=%s type="str">%s</property>\n' % (quoteattr(property_id), escape(value))) elif isinstance(value, (tuple, list)): f.write(' <property id=%s type="tuple">\n' % quoteattr(property_id)) # Sort for easy diff item_list = [] for item in value: if isinstance(item, basestring): item_list.append(item) item_list.sort() for item in item_list: f.write(' <item type="str">%s</item>\n' % escape(str(item))) f.write(' </property>\n') # XXX Although filters are not properties, output filters here. # XXX Ideally, filters should be properties in Z SQL Methods, shouldn't they? if hasattr(self, 'filter_dict'): filter_list = [] for filter_id in self.filter_dict.keys(): filter_definition = self.filter_dict[filter_id] filter_list.append((filter_id, filter_definition)) # Sort for easy diff filter_list.sort(key=lambda x: x[0]) for filter_item in filter_list: filter_id = filter_item[0] filter_def = filter_item[1] if not filter_def['filtered']: # If a filter is not activated, no need to output it. continue if not filter_def['expression']: # If the expression is not specified, meaningless to specify it. continue f.write(' <filter id=%s expression=%s />\n' % (quoteattr(filter_id), quoteattr(filter_def['expression']))) # For now, portal types are not exported, because portal types are too specific to each site. f.write('</SQLCatalogData>\n') if RESPONSE is not None: RESPONSE.setHeader('Content-type','application/data') RESPONSE.setHeader('Content-Disposition', 'inline;filename=properties.xml') return f.getvalue() def manage_importProperties(self, file): """ Import properties from an XML file. """ with open(file) as f: doc = parse(f) root = doc.documentElement try: for prop in root.getElementsByTagName("property"): id = prop.getAttribute("id") type = prop.getAttribute("type") if not id or not hasattr(self, id): raise CatalogError, 'unknown property id %r' % (id,) if type not in ('str', 'tuple'): raise CatalogError, 'unknown property type %r' % (type,) if type == 'str': value = '' for text in prop.childNodes: if text.nodeType == text.TEXT_NODE: value = str(text.data) break else: value = [] for item in prop.getElementsByTagName("item"): item_type = item.getAttribute("type") if item_type != 'str': raise CatalogError, 'unknown item type %r' % (item_type,) for text in item.childNodes: if text.nodeType == text.TEXT_NODE: value.append(str(text.data)) break value = tuple(value) setattr(self, id, value) if not hasattr(self, 'filter_dict'): self.filter_dict = PersistentMapping() for filt in root.getElementsByTagName("filter"): id = str(filt.getAttribute("id")) expression = filt.getAttribute("expression") if not self.filter_dict.has_key(id): self.filter_dict[id] = PersistentMapping() self.filter_dict[id]['filtered'] = 1 self.filter_dict[id]['type'] = [] if expression: expr_instance = Expression(expression) self.filter_dict[id]['expression'] = expression self.filter_dict[id]['expression_instance'] = expr_instance else: self.filter_dict[id]['expression'] = "" self.filter_dict[id]['expression_instance'] = None finally: doc.unlink() def manage_historyCompare(self, rev1, rev2, REQUEST, historyComparisonResults=''): return Catalog.inheritedAttribute('manage_historyCompare')( self, rev1, rev2, REQUEST, historyComparisonResults=OFS.History.html_diff( pprint.pformat(rev1.__dict__), pprint.pformat(rev2.__dict__))) def _clearSecurityCache(self): self.security_uid_dict = OIBTree() self.security_uid_index = None def _clearSubjectCache(self): self.subject_set_uid_dict = OIBTree() self.subject_set_uid_index = None security.declarePrivate('getSecurityUidDict') def getSecurityUidDict(self, wrapped_object): """ returns a tuple with a dict of security uid by local group id, and a tuple containing optimised_roles_and_users that might have been created. """ if getattr(aq_base(self), 'security_uid_dict', None) is None: self._clearSecurityCache() optimised_roles_and_users = [] local_roles_group_id_to_security_uid_mapping = {} # Get security information security_uid = None for key in wrapped_object.getLocalRolesGroupIdDict().iteritems(): local_roles_group_id, allowed_roles_and_users = key allowed_roles_and_users = tuple(sorted(allowed_roles_and_users)) if self.security_uid_dict.has_key(key): local_roles_group_id_to_security_uid_mapping[local_roles_group_id] \ = self.security_uid_dict[key] elif self.security_uid_dict.has_key(allowed_roles_and_users)\ and not local_roles_group_id: # This key is present in security_uid_dict without # local_roles_group_id, it has been inserted before # local_roles_group_id were introduced. local_roles_group_id_to_security_uid_mapping[local_roles_group_id] = \ self.security_uid_dict[allowed_roles_and_users] else: if not security_uid: getTransactionalVariable().pop('getSecurityUidDictAndRoleColumnDict', None) id_tool = getattr(self.getPortalObject(), 'portal_ids', None) # We must keep compatibility with existing sites security_uid = getattr(self, 'security_uid_index', None) if security_uid is None: security_uid = 0 # At some point, it was a Length elif isinstance(security_uid, Length): security_uid = security_uid() # If the id_tool is there, it is better to use it, it allows # to create many new security uids by the same time # because with this tool we are sure that we will have 2 different # uids if two instances are doing this code in the same time security_uid += 1 if id_tool is not None: security_uid = int(id_tool.generateNewId(id_generator='uid', id_group='security_uid_index', default=security_uid)) else: self.security_uid_index = security_uid self.security_uid_dict[key] = security_uid local_roles_group_id_to_security_uid_mapping[local_roles_group_id]\ = security_uid # If some optimised_roles_and_users are returned by this method it # means that new entries will have to be added to roles_and_users table. for user in allowed_roles_and_users: optimised_roles_and_users.append((security_uid, local_roles_group_id, user)) return (local_roles_group_id_to_security_uid_mapping, optimised_roles_and_users) def getRoleAndSecurityUidList(self): """ Return a list of 2-tuples, suitable for direct use in a zsqlmethod. Goal: make it possible to regenerate a table containing this data. """ result = [] extend = result.extend for role_list, security_uid in getattr( aq_base(self), 'security_uid_dict', {}).iteritems(): extend([(role, security_uid) for role in role_list]) return result security.declarePrivate('getSubjectSetUid') def getSubjectSetUid(self, wrapped_object): """ Cache a uid for each unique subject tuple. Return a tuple with a subject uid (string) and a new subject tuple if not exist already. """ getSubjectList = getattr(wrapped_object, 'getSubjectList', None) if getSubjectList is None: return (None, None) # Get subject information # XXX if more collation is available, we can have smaller number of # unique subject sets. subject_list = tuple(sorted(set([(x or '').lower() for x in getSubjectList()]))) if not subject_list: return (None, None) # Make sure no duplicates if getattr(aq_base(self), 'subject_set_uid_dict', None) is None: self._clearSubjectCache() elif self.subject_set_uid_dict.has_key(subject_list): return (self.subject_set_uid_dict[subject_list], None) # If the id_tool is there, it is better to use it, it allows # to create many new subject uids by the same time # because with this tool we are sure that we will have 2 different # uids if two instances are doing this code in the same time id_tool = getattr(self.getPortalObject(), 'portal_ids', None) if id_tool is not None: default = 1 # We must keep compatibility with existing sites previous_subject_set_uid = getattr(self, 'subject_set_uid_index', None) if previous_subject_set_uid is not None: default = previous_subject_set_uid subject_set_uid = int(id_tool.generateNewId(id_generator='uid', id_group='subject_set_uid_index', default=default)) else: previous_subject_set_uid = getattr(self, 'subject_set_uid_index', None) if previous_subject_set_uid is None: previous_subject_set_uid = 0 subject_set_uid = previous_subject_set_uid + 1 self.subject_set_uid_index = subject_set_uid self.subject_set_uid_dict[subject_list] = subject_set_uid return (subject_set_uid, subject_list) def clear(self): """ Clears the catalog by calling a list of methods """ methods = self.sql_clear_catalog for method_name in methods: method = getattr(self, method_name) try: method() except ConflictError: raise except: LOG('SQLCatalog', WARNING, 'could not clear catalog with %s' % method_name, error=sys.exc_info()) raise # Reserved uids have been removed. self.clearReserved() id_tool = getattr(self.getPortalObject(), 'portal_ids', None) if id_tool is None: # Add a dummy item so that SQLCatalog will not use existing uids again. self.insertMaxUid() self._clearSecurityCache() self._clearSubjectCache() self._clearCaches() def insertMaxUid(self): """ Add a dummy item so that SQLCatalog will not use existing uids again. """ if self._max_uid is not None and self._max_uid() != 0: method_id = self.sql_catalog_reserve_uid method = getattr(self, method_id) self._max_uid.change(1) method(uid = [self._max_uid()]) def clearReserved(self): """ Clears reserved uids """ method_id = self.sql_catalog_clear_reserved method = getattr(self, method_id) try: method() except ConflictError: raise except: LOG('SQLCatalog', WARNING, 'could not clear reserved catalog with %s' % \ method_id, error=sys.exc_info()) raise self._last_clear_reserved_time += 1 def getRecordForUid(self, uid): """ Get an object by UID Note: brain is defined in Z SQL Method object """ # this method used to be __getitem__(self, uid) but was found to hurt more # than it helped: It would be inadvertently called by # (un)restrictedTraverse and if there was any error in rendering the SQL # expression or contacting the database, an error different from KeyError # would be raised, causing confusion. # It could also have a performance impact for traversals to objects in # the acquisition context on Zope 2.12 even when it didn't raise a weird # error. method = getattr(self, self.sql_getitem_by_uid) search_result = method(uid = uid) if len(search_result) > 0: return search_result[0] raise KeyError, uid def editSchema(self, names_list): """ Builds a schema from a list of strings Splits each string to build a list of attribute names Columns on the database should not change during this operations """ i = 0 schema = {} names = {} for cid in self.getColumnIds(): name_list = [] for name in names_list[i].split(): schema[name] = cid name_list += [name,] names[cid] = tuple(name_list) i += 1 self.schema = schema self.names = names def getCatalogSearchTableIds(self): """Return selected tables of catalog which are used in JOIN. catalaog is always first """ search_tables = self.sql_search_tables if len(search_tables) > 0: if search_tables[0] != 'catalog': result = ['catalog'] for t in search_tables: if t != 'catalog': result.append(t) self.sql_search_tables = result else: self.sql_search_tables = ['catalog'] return self.sql_search_tables security.declarePublic('getCatalogSearchResultKeys') def getCatalogSearchResultKeys(self): """Return search result keys. """ return self.sql_search_result_keys def _getCatalogSchema(self, table=None): result_list = [] try: method_name = self.sql_catalog_schema method = getattr(self, method_name) search_result = method(table=table) for c in search_result: result_list.append(c.Field) except ConflictError: raise except: LOG('SQLCatalog', WARNING, '_getCatalogSchema failed with the method %s' % method_name, error=sys.exc_info()) pass return tuple(result_list) @caching_instance_method(id='SQLCatalog.getColumnIds', cache_factory='erp5_content_long', cache_id_generator=generateCatalogCacheId, ) def _getColumnIds(self): keys = set() add_key = keys.add for table in self.getCatalogSearchTableIds(): field_list = self._getCatalogSchema(table=table) for field in field_list: add_key(field) add_key('%s.%s' % (table, field)) # Is this inconsistent ? for related in self.getSQLCatalogRelatedKeyList(): related_tuple = related.split('|') add_key(related_tuple[0].strip()) for scriptable in self.getSQLCatalogScriptableKeyList(): scriptable_tuple = scriptable.split('|') add_key(scriptable_tuple[0].strip()) return sorted(keys) def getColumnIds(self): """ Calls the show column method and returns dictionnary of Field Ids """ return self._getColumnIds()[:] @profiler_decorator @transactional_cache_decorator('SQLCatalog.getColumnMap') @profiler_decorator @caching_instance_method(id='SQLCatalog.getColumnMap', cache_factory='erp5_content_long', cache_id_generator=generateCatalogCacheId, ) @profiler_decorator def getColumnMap(self): """ Calls the show column method and returns dictionnary of Field Ids """ result = {} for table in self.getCatalogSearchTableIds(): for field in self._getCatalogSchema(table=table): result.setdefault(field, []).append(table) result.setdefault('%s.%s' % (table, field), []).append(table) # Is this inconsistent ? return result @profiler_decorator @transactional_cache_decorator('SQLCatalog.getResultColumnIds') @profiler_decorator @caching_instance_method(id='SQLCatalog.getResultColumnIds', cache_factory='erp5_content_long', cache_id_generator=generateCatalogCacheId, ) @profiler_decorator def getResultColumnIds(self): """ Calls the show column method and returns dictionnary of Field Ids """ keys = {} for table in self.getCatalogSearchTableIds(): field_list = self._getCatalogSchema(table=table) for field in field_list: keys['%s.%s' % (table, field)] = 1 keys = keys.keys() keys.sort() return keys @profiler_decorator @transactional_cache_decorator('SQLCatalog.getSortColumnIds') @profiler_decorator @caching_instance_method(id='SQLCatalog.getSortColumnIds', cache_factory='erp5_content_long', cache_id_generator=generateCatalogCacheId, ) @profiler_decorator def getSortColumnIds(self): """ Calls the show column method and returns dictionnary of Field Ids that can be used for a sort """ keys = {} for table in self.getTableIds(): field_list = self._getCatalogSchema(table=table) for field in field_list: keys['%s.%s' % (table, field)] = 1 keys = keys.keys() keys.sort() return keys def getTableIds(self): """ Calls the show table method and returns dictionnary of Field Ids """ keys = [] method_name = self.sql_catalog_tables try: method = getattr(self, method_name) search_result = method() for c in search_result: keys.append(c[0]) except ConflictError: raise except: pass return keys def getUIDBuffer(self, force_new_buffer=False): global global_uid_buffer_dict klass = self.__class__ assert klass._reserved_uid_lock.locked() assert getattr(self, 'aq_base', None) is not None instance_key = self.getPhysicalPath() if instance_key not in global_uid_buffer_dict: global_uid_buffer_dict[instance_key] = {} uid_buffer_dict = global_uid_buffer_dict[instance_key] thread_key = get_ident() if force_new_buffer or thread_key not in uid_buffer_dict: uid_buffer_dict[thread_key] = UidBuffer() return uid_buffer_dict[thread_key] # the cataloging API def produceUid(self): """ Produces reserved uids in advance """ klass = self.__class__ assert klass._reserved_uid_lock.locked() # This checks if the list of local reserved uids was cleared after clearReserved # had been called. force_new_buffer = (klass._local_clear_reserved_time != self._last_clear_reserved_time) uid_buffer = self.getUIDBuffer(force_new_buffer=force_new_buffer) klass._local_clear_reserved_time = self._last_clear_reserved_time if len(uid_buffer) == 0: id_tool = getattr(self.getPortalObject(), 'portal_ids', None) if id_tool is not None: if self._max_uid is None: self._max_uid = Length(1) uid_list = id_tool.generateNewIdList(id_generator='uid', id_group='catalog_uid', id_count=UID_BUFFER_SIZE, default=self._max_uid()) # TODO: if this method is kept and former uid allocation code is # discarded, self._max_uid duplicates work done by portal_ids: it # already keeps track of the highest allocated number for all id # generator groups. else: method_id = self.sql_catalog_produce_reserved method = getattr(self, method_id) # Generate an instance id randomly. Note that there is a small possibility that this # would conflict with others. random_factor_list = [time.time(), os.getpid(), os.times()] try: random_factor_list.append(os.getloadavg()) except (OSError, AttributeError): # AttributeError is required under cygwin pass instance_id = md5(str(random_factor_list)).hexdigest() uid_list = [x.uid for x in method(count = UID_BUFFER_SIZE, instance_id = instance_id) if x.uid != 0] uid_buffer.extend(uid_list) def isIndexable(self): """ This is required to check in many methods that the site root and zope root are indexable """ zope_root = self.getZopeRoot() site_root = self.getSiteRoot() # XXX-JPS - Why don't we use getPortalObject here ? root_indexable = int(getattr(zope_root, 'isIndexable', 1)) site_indexable = int(getattr(site_root, 'isIndexable', 1)) if not (root_indexable and site_indexable): return False return True def getSiteRoot(self): """ Returns the root of the site """ if withCMF: site_root = getToolByName(self, 'portal_url').getPortalObject() else: site_root = self.aq_parent return site_root def getZopeRoot(self): """ Returns the root of the zope """ if withCMF: zope_root = getToolByName(self, 'portal_url').getPortalObject().aq_parent else: zope_root = self.getPhysicalRoot() return zope_root def newUid(self): """ This is where uid generation takes place. We should consider a multi-threaded environment with multiple ZEO clients on a single ZEO server. The main risk is the following: - objects a/b/c/d/e/f are created (a is parent of b which is parent of ... of f) - one reindexing node N1 starts reindexing f - another reindexing node N2 starts reindexing e - there is a strong risk that N1 and N2 start reindexing at the same time and provide different uid values for a/b/c/d/e Similar problems may happen with relations and acquisition of uid values (ex. order_uid) with the risk of graph loops """ if not self.isIndexable(): return None klass = self.__class__ try: klass._reserved_uid_lock.acquire() self.produceUid() uid_buffer = self.getUIDBuffer() if len(uid_buffer) > 0: uid = uid_buffer.pop() if self._max_uid is None: self._max_uid = Length(1) if uid > self._max_uid(): self._max_uid.set(uid) return long(uid) else: raise CatalogError("Could not retrieve new uid") finally: klass._reserved_uid_lock.release() def manage_catalogObject(self, REQUEST, RESPONSE, URL1, urls=None): """ index Zope object(s) that 'urls' point to """ if urls: if isinstance(urls, str): urls=(urls,) for url in urls: obj = self.resolve_path(url) if not obj: obj = self.resolve_url(url, REQUEST) if obj is not None: self.aq_parent.catalog_object(obj, url, sql_catalog_id=self.id) RESPONSE.redirect(URL1 + '/manage_catalogView?manage_tabs_message=Object%20Cataloged') def manage_uncatalogObject(self, REQUEST, RESPONSE, URL1, urls=None): """ removes Zope object(s) 'urls' from catalog """ if urls: if isinstance(urls, str): urls=(urls,) for url in urls: self.aq_parent.uncatalog_object(url, sql_catalog_id=self.id) RESPONSE.redirect(URL1 + '/manage_catalogView?manage_tabs_message=Object%20Uncataloged') def manage_catalogReindex(self, REQUEST, RESPONSE, URL1, urls=None): """ clear the catalog, then re-index everything """ elapse = time.time() c_elapse = time.clock() self.aq_parent.refreshCatalog(clear=1, sql_catalog_id=self.id) elapse = time.time() - elapse c_elapse = time.clock() - c_elapse RESPONSE.redirect(URL1 + '/manage_catalogAdvanced?manage_tabs_message=' + urllib.quote('Catalog Updated<br>' 'Total time: %s<br>' 'Total CPU time: %s' % (`elapse`, `c_elapse`))) def manage_catalogClear(self, REQUEST=None, RESPONSE=None, URL1=None, sql_catalog_id=None): """ clears the whole enchilada """ self.beforeCatalogClear() self.clear() if RESPONSE and URL1: RESPONSE.redirect('%s/manage_catalogAdvanced?' \ 'manage_tabs_message=Catalog%%20Cleared' % URL1) def manage_catalogClearReserved(self, REQUEST=None, RESPONSE=None, URL1=None): """ clears reserved uids """ self.clearReserved() if RESPONSE and URL1: RESPONSE.redirect('%s/manage_catalogAdvanced?' \ 'manage_tabs_message=Catalog%%20Cleared' % URL1) def manage_catalogFoundItems(self, REQUEST, RESPONSE, URL2, URL1, obj_metatypes=None, obj_ids=None, obj_searchterm=None, obj_expr=None, obj_mtime=None, obj_mspec=None, obj_roles=None, obj_permission=None): """ Find object according to search criteria and Catalog them """ elapse = time.time() c_elapse = time.clock() words = 0 obj = REQUEST.PARENTS[1] path = string.join(obj.getPhysicalPath(), '/') results = self.aq_parent.ZopeFindAndApply(obj, obj_metatypes=obj_metatypes, obj_ids=obj_ids, obj_searchterm=obj_searchterm, obj_expr=obj_expr, obj_mtime=obj_mtime, obj_mspec=obj_mspec, obj_permission=obj_permission, obj_roles=obj_roles, search_sub=1, REQUEST=REQUEST, apply_func=self.aq_parent.catalog_object, apply_path=path, sql_catalog_id=self.id) elapse = time.time() - elapse c_elapse = time.clock() - c_elapse RESPONSE.redirect(URL1 + '/manage_catalogView?manage_tabs_message=' + urllib.quote('Catalog Updated<br>Total time: %s<br>Total CPU time: %s' % (`elapse`, `c_elapse`))) def catalogObject(self, object, path, is_object_moved=0): """Add an object to the Catalog by calling all SQL methods and providing needed arguments. 'object' is the object to be catalogged.""" self._catalogObjectList([object]) def catalogObjectList(self, object_list, method_id_list=None, disable_cache=0, check_uid=1, idxs=None): """Add objects to the Catalog by calling all SQL methods and providing needed arguments. method_id_list : specify which methods should be used. If not set, it will take the default value of portal_catalog. disable_cache : do not use cache, so values will be computed each time, only useful in some particular cases, most of the time you don't need to use it. Each element of 'object_list' is an object to be catalogged. 'uid' is the unique Catalog identifier for this object. Note that this method calls _catalogObjectList with fragments of the object list, because calling _catalogObjectList with too many objects at a time bloats the process's memory consumption, due to caching.""" for i in xrange(0, len(object_list), OBJECT_LIST_SIZE): self._catalogObjectList(object_list[i:i + OBJECT_LIST_SIZE], method_id_list=method_id_list, disable_cache=disable_cache, check_uid=check_uid, idxs=idxs) def _catalogObjectList(self, object_list, method_id_list=None, disable_cache=0, check_uid=1, idxs=None): """This is the real method to catalog objects. XXX: For now newUid is used to allocated UIDs. Is this good? Is it better to INSERT then SELECT?""" LOG('SQLCatalog', TRACE, 'catalogging %d objects' % len(object_list)) #LOG('catalogObjectList', 0, 'called with %r' % (object_list,)) if idxs not in (None, []): LOG('ZSLQCatalog.SQLCatalog:catalogObjectList', WARNING, 'idxs is ignored in this function and is only provided to be compatible with CMFCatalogAware.reindexObject.') if not self.isIndexable(): return # Reminder about optimization: It might be possible to issue just one # query to get enought results to check uid & path consistency. path_uid_dict = {} uid_path_dict = {} if check_uid: path_list = [] path_list_append = path_list.append uid_list = [] uid_list_append = uid_list.append for object in object_list: path = object.getPath() if path is not None: path_list_append(path) uid = object.uid if uid is not None: uid_list_append(uid) path_uid_dict = self.getUidDictForPathList(path_list=path_list) uid_path_dict = self.getPathDictForUidList(uid_list=uid_list) # This dict will store uids and objects which are verified below. # The purpose is to prevent multiple objects from having the same # uid inside object_list. assigned_uid_dict = {} for object in object_list: uid = getattr(aq_base(object), 'uid', None) # Several Tool objects have uid=0 (not 0L) from the beginning, but # we need an unique uid for each object. if uid is None or isinstance(uid, int) and uid == 0: try: object.uid = self.newUid() except ConflictError: raise except: raise RuntimeError, 'could not set missing uid for %r' % (object,) elif check_uid: if uid in assigned_uid_dict: error_message = 'uid of %r is %r and ' \ 'is already assigned to %s in catalog !!! This can be fatal.' % \ (object, uid, assigned_uid_dict[uid]) if not self.sql_catalog_raise_error_on_uid_check: LOG("SQLCatalog.catalogObjectList", ERROR, error_message) else: raise ValueError(error_message) path = object.getPath() index = path_uid_dict.get(path) if index is not None: if index < 0: raise CatalogError, 'A negative uid %d is used for %s. Your catalog is broken. Recreate your catalog.' % (index, path) if uid != index or isinstance(uid, int): # We want to make sure that uid becomes long if it is an int error_message = 'uid of %r changed from %r (property) to %r '\ '(catalog, by path) !!! This can be fatal' % (object, uid, index) if not self.sql_catalog_raise_error_on_uid_check: LOG("SQLCatalog.catalogObjectList", ERROR, error_message) else: raise ValueError(error_message) else: # Make sure no duplicates - ie. if an object with different path has same uid, we need a new uid # This can be very dangerous with relations stored in a category table (CMFCategory) # This is why we recommend completely reindexing subobjects after any change of id if uid in uid_path_dict: catalog_path = uid_path_dict.get(uid) else: catalog_path = self.getPathForUid(uid) #LOG('catalogObject', 0, 'uid = %r, catalog_path = %r' % (uid, catalog_path)) if catalog_path == "reserved": # Reserved line in catalog table lock = self.__class__._reserved_uid_lock try: lock.acquire() uid_buffer = self.getUIDBuffer() if uid_buffer is not None: # This is the case where: # 1. The object got an uid. # 2. The catalog was cleared. # 3. The catalog produced the same reserved uid. # 4. The object was reindexed. # In this case, the uid is not reserved any longer, but # SQLCatalog believes that it is still reserved. So it is # necessary to remove the uid from the list explicitly. try: uid_buffer.remove(uid) except ValueError: pass finally: lock.release() elif catalog_path == 'deleted': # Two possible cases: # - Reindexed object's path changed (ie, it or at least one of its # parents was renamed) but unindexObject was not called yet. # Reindexing is harmelss: unindexObject and then an # immediateReindexObject will be called. # - Reindexed object was deleted by a concurrent transaction, which # committed after we got our ZODB snapshot of this object. # Reindexing is harmless: unindexObject will be called, and # cannot be executed in parallel thanks to activity's # serialisation_tag (so we cannot end up with a fantom object in # catalog). # So we index object. # We could also not index it to save the time needed to index, but # this would slow down all regular case to slightly improve an # exceptional case. pass elif catalog_path is not None: # An uid conflict happened... Why? # can be due to path length if len(path) > MAX_PATH_LEN: LOG('SQLCatalog', ERROR, 'path of object %r is too long for catalog. You should use a shorter path.' %(object,)) LOG('SQLCatalog', ERROR, 'uid of %r changed from %r to %r as old one is assigned' ' to %s in catalog !!! This can be fatal.' % ( object, uid, object.uid, catalog_path)) error_message = 'uid of %r is %r and ' \ 'is already assigned to %s in catalog !!! This can be fatal.' \ % (object, uid, catalog_path) if not self.sql_catalog_raise_error_on_uid_check: LOG('SQLCatalog', ERROR, error_message) else: raise ValueError(error_message) uid = object.uid assigned_uid_dict[uid] = object if method_id_list is None: method_id_list = self.sql_catalog_object_list econtext = getEngine().getContext() if disable_cache: argument_cache = DummyDict() else: argument_cache = {} with (noReadOnlyTransactionCache if disable_cache else readOnlyTransactionCache)(): filter_dict = self.filter_dict catalogged_object_list_cache = {} for method_name in method_id_list: # We will check if there is an filter on this # method, if so we may not call this zsqlMethod # for this object expression = None try: filter = filter_dict[method_name] if filter['filtered']: if filter.get('type'): expression = Expression('python: context.getPortalType() in ' + repr(tuple(filter['type']))) LOG('SQLCatalog', WARNING, "Convert deprecated type filter for %r into %r expression" % (method_name, expression.text)) filter['type'] = () filter['expression'] = expression.text filter['expression_instance'] = expression else: expression = filter['expression_instance'] except KeyError: pass if expression is None: catalogged_object_list = object_list else: text = expression.text catalogged_object_list = catalogged_object_list_cache.get(text) if catalogged_object_list is None: catalogged_object_list_cache[text] = catalogged_object_list = [] append = catalogged_object_list.append old_context = new_context_search(text) is None if old_context: warnings.warn("Filter expression for %r (%r): using variables" " other than 'context' is deprecated and slower." % (method_name, text), DeprecationWarning) expression_cache_key_list = filter.get('expression_cache_key', ()) expression_result_cache = {} for object in object_list: if expression_cache_key_list: # Expressions are slow to evaluate because they are executed # in restricted environment. So we try to save results of # expressions by portal_type or any other key. # This cache is built each time we reindex # objects but we could also use over multiple transactions # if this can improve performance significantly # ZZZ - we could find a way to compute this once only cache_key = tuple(object.getProperty(key) for key in expression_cache_key_list) try: if expression_result_cache[cache_key]: append(object) continue except KeyError: pass if old_context: result = expression(self.getExpressionContext(object)) else: econtext.setLocal('context', object) result = expression(econtext) if expression_cache_key_list: expression_result_cache[cache_key] = result if result: append(object) if not catalogged_object_list: continue #LOG('catalogObjectList', 0, 'method_name = %s' % (method_name,)) method = getattr(self, method_name) if method.meta_type in ("Z SQL Method", "LDIF Method"): # Build the dictionnary of values arguments = method.arguments_src.split() elif method.meta_type == "Script (Python)": arguments = \ method.func_code.co_varnames[:method.func_code.co_argcount] else: arguments = [] kw = {} for arg in arguments: value_list = [] append = value_list.append for object in catalogged_object_list: argument_cache_key = (object.uid, arg) try: value = argument_cache[argument_cache_key] except KeyError: try: value = getattr(object, arg, None) if callable(value): value = value() except ConflictError: raise except: LOG('SQLCatalog', WARNING, 'Failed to call method %s on %r' % (arg, object), error=sys.exc_info()) value = None argument_cache[argument_cache_key] = value append(value) kw[arg] = value_list # Alter/Create row try: #start_time = DateTime() #LOG('catalogObjectList', DEBUG, 'kw = %r, method_name = %r' % (kw, method_name)) method(**kw) #end_time = DateTime() #if method_name not in profile_dict: # profile_dict[method_name] = end_time.timeTime() - start_time.timeTime() #else: # profile_dict[method_name] += end_time.timeTime() - start_time.timeTime() #LOG('catalogObjectList', 0, '%s: %f seconds' % (method_name, profile_dict[method_name])) except ConflictError: raise except: LOG('SQLCatalog', WARNING, 'could not catalog objects %s with method %s' % (object_list, method_name), error=sys.exc_info()) raise if psyco is not None: psyco.bind(_catalogObjectList) def beforeUncatalogObject(self, path=None,uid=None): """ Set the path as deleted """ if not self.isIndexable(): return None if uid is None and path is not None: uid = self.getUidForPath(path) method_name = self.sql_catalog_delete_uid if uid is None: return None if method_name in (None,''): # This should exist only if the site is not up to date. LOG('ZSQLCatalog.beforeUncatalogObject',0,'The sql_catalog_delete_uid'\ + ' method is not defined') return self.uncatalogObject(path=path,uid=uid) method = getattr(self, method_name) method(uid = uid) def uncatalogObject(self, path=None, uid=None): """ Uncatalog and object from the Catalog. Note, the uid must be the same as when the object was catalogued, otherwise it will not get removed from the catalog This method should not raise an exception if the uid cannot be found in the catalog. XXX Add filter of methods """ if not self.isIndexable(): return None if uid is None and path is not None: uid = self.getUidForPath(path) methods = self.sql_uncatalog_object if uid is None: return None for method_name in methods: # Do not put try/except here, it is required to raise error # if uncatalog does not work. method = getattr(self, method_name) method(uid = uid) def catalogTranslationList(self, object_list): """Catalog translations. """ method_name = self.sql_catalog_translation_list return self.catalogObjectList(object_list, method_id_list = (method_name,), check_uid=0) def deleteTranslationList(self): """Delete translations. """ method_name = self.sql_delete_translation_list method = getattr(self, method_name) try: method() except ConflictError: raise except: LOG('SQLCatalog', WARNING, 'could not delete translations', error=sys.exc_info()) def uniqueValuesFor(self, name): """ return unique values for FieldIndex name """ method = getattr(self, self.sql_unique_values) return method(column=name) def getPaths(self): """ Returns all object paths stored inside catalog """ method = getattr(self, self.sql_catalog_paths) return method() def getUidForPath(self, path): """ Looks up into catalog table to convert path into uid """ #try: if path is None: return None # Get the appropriate SQL Method method = getattr(self, self.sql_getitem_by_path) search_result = method(path = path, uid_only=1) # If not empty, return first record if len(search_result) > 0: return long(search_result[0].uid) else: return None def getUidDictForPathList(self, path_list): """ Looks up into catalog table to convert path into uid """ # Get the appropriate SQL Method method = getattr(self, self.sql_getitem_by_path) path_uid_dict = {} try: search_result = method(path_list = path_list) # If not empty, return first record for result in search_result: path_uid_dict[result.path] = result.uid except ValueError, message: # This code is only there for backward compatibility # XXX this must be removed one day # This means we have the previous zsql method # and we must call the method for every path for path in path_list: search_result = method(path = path) if len(search_result) > 0: path_uid_dict[path] = search_result[0].uid return path_uid_dict def getPathDictForUidList(self, uid_list): """ Looks up into catalog table to convert uid into path """ # Get the appropriate SQL Method method = getattr(self, self.sql_getitem_by_uid) uid_path_dict = {} try: search_result = method(uid_list = uid_list) # If not empty, return first record for result in search_result: uid_path_dict[result.uid] = result.path except ValueError, message: # This code is only there for backward compatibility # XXX this must be removed one day # This means we have the previous zsql method # and we must call the method for every path for uid in uid_list: search_result = method(uid = uid) if len(search_result) > 0: uid_path_dict[uid] = search_result[0].path return uid_path_dict def hasPath(self, path): """ Checks if path is catalogued """ return self.getUidForPath(path) is not None def getPathForUid(self, uid): """ Looks up into catalog table to convert uid into path """ try: if uid is None: return None try: int(uid) except ValueError: return None # Get the appropriate SQL Method method = getattr(self, self.sql_getitem_by_uid) search_result = method(uid = uid) # If not empty return first record if len(search_result) > 0: return search_result[0].path else: return None except ConflictError: raise except: # This is a real LOG message # which is required in order to be able to import .zexp files LOG('SQLCatalog', WARNING, "could not find path from uid %s" % (uid,)) return None def getMetadataForUid(self, uid): """ Accesses a single record for a given uid """ if uid is None: return None # Get the appropriate SQL Method method = getattr(self, self.sql_getitem_by_uid) brain = method(uid = uid)[0] result = {} for k in brain.__record_schema__.keys(): result[k] = getattr(brain,k) return result def getIndexDataForUid(self, uid): """ Accesses a single record for a given uid """ return self.getMetadataForUid(uid) def getMetadataForPath(self, path): """ Accesses a single record for a given path """ try: # Get the appropriate SQL Method method = getattr(self, self.sql_getitem_by_path) brain = method(path = path)[0] result = {} for k in brain.__record_schema__.keys(): result[k] = getattr(brain,k) return result except ConflictError: raise except: # This is a real LOG message # which is required in order to be able to import .zexp files LOG('SQLCatalog', WARNING, "could not find metadata from path %s" % (path,)) return None def getIndexDataForPath(self, path): """ Accesses a single record for a given path """ return self.getMetadataForPath(path) def getCatalogMethodIds(self, valid_method_meta_type_list=valid_method_meta_type_list): """Find Z SQL methods in the current folder and above This function return a list of ids. """ ids={} have_id=ids.has_key while self is not None: if hasattr(self, 'objectValues'): for o in self.objectValues(valid_method_meta_type_list): if hasattr(o,'id'): id=o.id if not isinstance(id, str): id=id() if not have_id(id): if hasattr(o,'title_and_id'): o=o.title_and_id() else: o=id ids[id]=id if hasattr(self, 'aq_parent'): self=self.aq_parent else: self=None ids=map(lambda item: (item[1], item[0]), ids.items()) ids.sort() return ids def getPythonMethodIds(self): """ Returns a list of all python scripts available in current sql catalog. """ return self.getCatalogMethodIds(valid_method_meta_type_list=('Script (Python)', )) @profiler_decorator @transactional_cache_decorator('SQLCatalog._getSQLCatalogRelatedKeyList') @profiler_decorator def _getSQLCatalogRelatedKeySet(self): column_map = self.getColumnMap() column_set = set(column_map) for related_key in self.sql_catalog_related_keys: split_entire_definition = related_key.split('|') if len(split_entire_definition) != 2: LOG('SQLCatalog', WARNING, 'Malformed related key definition: %r. Ignored.' % (related_key, )) continue related_key_id = split_entire_definition[0].strip() if related_key_id in column_set and \ related_key_id not in related_key_warned_column_set: related_key_warned_column_set.add(related_key_id) if related_key_id in column_map: LOG('SQLCatalog', WARNING, 'Related key %r has the same name as an existing column on tables %r' % (related_key_id, column_map[related_key_id])) else: LOG('SQLCatalog', WARNING, 'Related key %r is declared more than once.' % (related_key_id, )) column_set.add(related_key_id) return column_set def getSQLCatalogRelatedKeyList(self, key_list=None): """ Return the list of related keys. This method can be overidden in order to implement dynamic generation of some related keys. """ if key_list is None: key_list = [] column_map = self._getSQLCatalogRelatedKeySet() # Do not generate dynamic related key for acceptable_keys dynamic_key_list = [k for k in key_list if k not in column_map] dynamic_list = self.getDynamicRelatedKeyList(dynamic_key_list) full_list = list(dynamic_list) + list(self.sql_catalog_related_keys) return full_list # Compatibililty SQL Sql getSqlCatalogRelatedKeyList = getSQLCatalogRelatedKeyList def getSQLCatalogScriptableKeyList(self): """ Return the list of scriptable keys. """ return self.sql_catalog_scriptable_keys @caching_instance_method(id='SQLCatalog.getTableIndex', cache_factory='erp5_content_long', cache_id_generator=generateCatalogCacheId, ) def _getTableIndex(self, table): table_index = {} method = getattr(self, self.sql_catalog_index, '') if method in ('', None): return {} index = list(method(table=table)) for line in index: if table_index.has_key(line.KEY_NAME): table_index[line.KEY_NAME].append(line.COLUMN_NAME) else: table_index[line.KEY_NAME] = [line.COLUMN_NAME,] return table_index def getTableIndex(self, table): """ Return a map between index and column for a given table """ return self._getTableIndex(table).copy() @profiler_decorator def isValidColumn(self, column_id): """ Tells wether given name is or not an existing column. Warning: This includes "virtual" columns, such as related keys and scriptable keys. """ result = self.getScriptableKeyScript(column_id) is not None if not result: result = column_id in self.getColumnMap() if not result: result = self.getRelatedKeyDefinition(column_id) is not None return result @profiler_decorator def getRelatedKeyDefinition(self, key): """ Returns the definition of given related key name if found, None otherwise. """ try: result = related_key_definition_cache[key] except KeyError: result = None for entire_definition in self.getSQLCatalogRelatedKeyList([key]): split_entire_definition = entire_definition.split('|') if len(split_entire_definition) != 2: LOG('SQLCatalog', WARNING, 'Malformed related key definition: %r. Ignored.' % (entire_definition, )) continue name, definition = [x.strip() for x in split_entire_definition] if name == key: result = definition break if result is not None: related_key_definition_cache[key] = result return result @transactional_cache_decorator('SQLCatalog._getgetScriptableKeyDict') def _getgetScriptableKeyDict(self): result = {} for scriptable_key_definition in self.sql_catalog_scriptable_keys: split_scriptable_key_definition = scriptable_key_definition.split('|') if len(split_scriptable_key_definition) != 2: LOG('SQLCatalog', WARNING, 'Malformed scriptable key definition: %r. Ignored.' % (scriptable_key_definition, )) continue key, script_id = [x.strip() for x in split_scriptable_key_definition] script = getattr(self, script_id, None) if script is None: LOG('SQLCatalog', WARNING, 'Scriptable key %r script %r is missing.' \ ' Skipped.' % (key, script_id)) else: result[key] = script return result def getScriptableKeyScript(self, key): return self._getgetScriptableKeyDict().get(key) @profiler_decorator def getColumnSearchKey(self, key, search_key_name=None): """ Return a SearchKey instance for given key, using search_key_name as a SearchKey name if given, otherwise guessing from catalog configuration. If there is no search_key_name given and no SearchKey can be found, return None. Also return a related key definition string with following rules: - If returned SearchKey is a RelatedKey, value is its definition - Otherwise, value is None If both a related key and a real column are found, the related key is used. """ # Is key a related key or a "real" column ? related_key_definition = self.getRelatedKeyDefinition(key) if related_key_definition is None: if key in self.getColumnMap(): search_key = self.getSearchKey(key, search_key_name) else: search_key = None else: search_key = self.getSearchKey(key, 'RelatedKey') return search_key, related_key_definition def hasColumn(self, column): return self.getColumnSearchKey(column)[0] is not None @profiler_decorator def getColumnDefaultSearchKey(self, key, search_key_name=None): """ Return a SearchKey instance which would ultimately receive the value associated with given key. """ search_key, related_key_definition = self.getColumnSearchKey(key, search_key_name=search_key_name) if search_key is None: result = None else: if related_key_definition is not None: search_key = search_key.getSearchKey(sql_catalog=self, related_key_definition=related_key_definition) return search_key @profiler_decorator def buildSingleQuery(self, key, value, search_key_name=None, logical_operator=None, comparison_operator=None): """ From key and value, determine the SearchKey to use and generate a Query from it. """ script = self.getScriptableKeyScript(key) if script is None: search_key, related_key_definition = self.getColumnSearchKey(key, search_key_name) if search_key is None: result = None else: if related_key_definition is None: build_key = search_key else: build_key = search_key.getSearchKey(sql_catalog=self, related_key_definition=related_key_definition, search_key_name=search_key_name) result = build_key.buildQuery(value, logical_operator=logical_operator, comparison_operator=comparison_operator) if related_key_definition is not None: result = search_key.buildQuery(sql_catalog=self, related_key_definition=related_key_definition, search_value=result) else: result = script(value) return result @profiler_decorator def _buildQueryFromAbstractSyntaxTreeNode(self, node, search_key, wrap): if search_key.dequoteParsedText(): _dequote = dequote else: _dequote = lambda x: x if node.isLeaf(): result = search_key.buildQuery(wrap(_dequote(node.getValue())), comparison_operator=node.getComparisonOperator()) elif node.isColumn(): result = self.buildQueryFromAbstractSyntaxTreeNode(node.getSubNode(), node.getColumnName()) else: query_list = [] value_dict = {} append = query_list.append for subnode in node.getNodeList(): if subnode.isLeaf(): value_dict.setdefault(subnode.getComparisonOperator(), []).append(wrap(_dequote(subnode.getValue()))) else: subquery = self._buildQueryFromAbstractSyntaxTreeNode(subnode, search_key, wrap) if subquery is not None: append(subquery) logical_operator = node.getLogicalOperator() if logical_operator == 'not': query_logical_operator = None else: query_logical_operator = logical_operator for comparison_operator, value_list in value_dict.iteritems(): append(search_key.buildQuery(value_list, comparison_operator=comparison_operator, logical_operator=query_logical_operator)) if logical_operator == 'not' or len(query_list) > 1: result = ComplexQuery(query_list, logical_operator=logical_operator) elif len(query_list) == 1: result = query_list[0] else: result = None return result @profiler_decorator def buildQueryFromAbstractSyntaxTreeNode(self, node, key, wrap=lambda x: x): """ Build a query from given Abstract Syntax Tree (AST) node by recursing in its childs. This method calls itself recursively when walking the tree. node AST node being treated. key Default column (used when there is no explicit column in an AST leaf). Expected node API is described in interfaces/abstract_syntax_node.py . """ script = self.getScriptableKeyScript(key) if script is None: search_key, related_key_definition = self.getColumnSearchKey(key) else: search_key = SearchKeyWrapperForScriptableKey(key, script) related_key_definition = None if search_key is None: # Unknown, skip loudly LOG('SQLCatalog', WARNING, 'Unknown column %r, skipped.' % (key, )) result = None else: if related_key_definition is None: build_key = search_key else: build_key = search_key.getSearchKey(sql_catalog=self, related_key_definition=related_key_definition) result = self._buildQueryFromAbstractSyntaxTreeNode(node, build_key, wrap) if related_key_definition is not None: result = search_key.buildQuery(sql_catalog=self, related_key_definition=related_key_definition, search_value=result) return result def _parseSearchText(self, search_key, search_text, is_valid=None): if is_valid is None: is_valid = self.isValidColumn return search_key.parseSearchText(search_text, is_valid) def parseSearchText(self, search_text, column=None, search_key=None, is_valid=None): if column is None and search_key is None: raise ValueError, 'One of column and search_key must be different '\ 'from None' return self._parseSearchText(self.getSearchKey( column, search_key=search_key), search_text, is_valid=is_valid) @profiler_decorator def buildQuery(self, kw, ignore_empty_string=True, operator='and'): query_list = [] append = query_list.append # unknown_column_dict: contains all (key, value) pairs which could not be # changed into queries. This is here for backward compatibility, because # scripts can invoke this method and expect extra parameters (such as # from_expression) to be handled. As they are normaly handled at # buildSQLQuery level, we must store them into final ComplexQuery, which # will handle them. unknown_column_dict = {} # empty_value_dict: contains all keys whose value causes them to be # discarded. empty_value_dict = {} for key, value in kw.iteritems(): result = None if isinstance(value, dict_type_list): # Cast dict-ish types into plain dicts. value = dict(value) if ignore_empty_string and ( value == '' or (isinstance(value, list_type_list) and not value) or (isinstance(value, dict) and ( 'query' not in value or value['query'] == '' or (isinstance(value['query'], list_type_list) and not value['query'])))): # We have an empty value, do not create a query from it empty_value_dict[key] = value else: script = self.getScriptableKeyScript(key) if isinstance(value, dict): # Dictionnary: might contain the search key to use. search_key_name = value.get('key') # Backward compatibility: former "Keyword" key is now named # "KeywordKey". if search_key_name == 'Keyword': search_key_name = value['key'] = 'KeywordKey' # Backward compatibility: former "ExactMatch" is now only available # as "RawKey" elif search_key_name == 'ExactMatch': search_key_name = value['key'] = 'RawKey' if isinstance(value, _Query): # Query instance: use as such, ignore key. result = value elif script is not None: result = script(value) elif isinstance(value, (basestring, dict)): # String: parse using key's default search key. raw_value = value if isinstance(value, dict): # De-wrap value for parsing, and re-wrap when building queries. def wrap(x): result = raw_value.copy() result['query'] = x return result value = value['query'] else: wrap = lambda x: x search_key_name = None search_key = self.getColumnDefaultSearchKey(key, search_key_name=search_key_name) if search_key is not None: if isinstance(value, basestring): abstract_syntax_tree = self._parseSearchText(search_key, value) else: abstract_syntax_tree = None if abstract_syntax_tree is None: # Parsing failed, create a query from the bare string. result = self.buildSingleQuery(key, raw_value, search_key_name) else: result = self.buildQueryFromAbstractSyntaxTreeNode( abstract_syntax_tree, key, wrap) else: # Any other type, just create a query. (can be a DateTime, ...) result = self.buildSingleQuery(key, value) if result is None: # No query could be created, emit a log, add to unknown column dict. unknown_column_dict[key] = value else: append(result) if len(empty_value_dict): LOG('SQLCatalog', WARNING, 'Discarding columns with empty values: %r' % (empty_value_dict, )) if len(unknown_column_dict): LOG('SQLCatalog', WARNING, 'Unknown columns %r, skipped.' % (unknown_column_dict.keys(), )) return ComplexQuery(query_list, logical_operator=operator, unknown_column_dict=unknown_column_dict) @profiler_decorator def buildOrderByList(self, sort_on=None, sort_order=None, order_by_expression=None): """ Internal method. Should not be used by code outside buildSQLQuery. It is in a separate method because this code is here to keep backward compatibility with an ambiguous API, and as such is ugly. So it's better to conceal it to its own method. It does not preserve backward compatibility for: 'sort-on' parameter 'sort-on' property 'sort-order' parameter 'sort-order' property """ order_by_list = [] append = order_by_list.append if sort_on is not None: if order_by_expression is not None: LOG('SQLCatalog', WARNING, 'order_by_expression (%r) and sort_on (%r) were given. Ignoring order_by_expression.' % (order_by_expression, sort_on)) if not isinstance(sort_on, (tuple, list)): sort_on = [[sort_on]] for item in sort_on: if isinstance(item, (tuple, list)): item = list(item) else: item = [item] if sort_order is not None and len(item) == 1: item.append(sort_order) if len(item) > 1: if item[1] in ('descending', 'reverse', 'DESC'): item[1] = 'DESC' else: item[1] = 'ASC' if len(item) > 2: if item[2] == 'int': item[2] = 'SIGNED' append(item) elif order_by_expression is not None: if not isinstance(order_by_expression, basestring): raise TypeError, 'order_by_expression must be a basestring instance. Got %r.' % (order_by_expression, ) order_by_list = [[x.strip()] for x in order_by_expression.split(',')] return order_by_list @profiler_decorator def buildEntireQuery(self, kw, query_table='catalog', ignore_empty_string=1, limit=None, extra_column_list=()): group_by_list = kw.pop('group_by_list', kw.pop('group_by', kw.pop('group_by_expression', ()))) if isinstance(group_by_list, basestring): group_by_list = [x.strip() for x in group_by_list.split(',')] select_dict = kw.pop('select_dict', kw.pop('select_list', kw.pop('select_expression', None))) if isinstance(select_dict, basestring): if len(select_dict): real_select_dict = {} for column in select_dict.split(','): index = column.lower().find(' as ') if index != -1: real_select_dict[column[index + 4:].strip()] = column[:index].strip() else: real_select_dict[column.strip()] = None select_dict = real_select_dict else: select_dict = None elif isinstance(select_dict, (list, tuple)): select_dict = dict([(x, None) for x in select_dict]) # Handle left_join_list left_join_list = kw.pop('left_join_list', ()) # Handle implicit_join. It's True by default, as there's a lot of code # in BT5s and elsewhere that calls buildSQLQuery() expecting implicit # join. self._queryResults() defaults it to False for those using # catalog.searchResults(...) or catalog(...) directly. implicit_join = kw.pop('implicit_join', True) # Handle order_by_list order_by_list = kw.pop('order_by_list', None) sort_on = kw.pop('sort_on', None) sort_order = kw.pop('sort_order', None) order_by_expression = kw.pop('order_by_expression', None) if order_by_list is None: order_by_list = self.buildOrderByList( sort_on=sort_on, sort_order=sort_order, order_by_expression=order_by_expression ) else: if sort_on is not None: LOG('SQLCatalog', WARNING, 'order_by_list and sort_on were given, ignoring sort_on.') if sort_order is not None: LOG('SQLCatalog', WARNING, 'order_by_list and sort_order were given, ignoring sort_order.') if order_by_expression is not None: LOG('SQLCatalog', WARNING, 'order_by_list and order_by_expression were given, ignoring order_by_expression.') # Handle from_expression from_expression = kw.pop('from_expression', None) # Handle where_expression where_expression = kw.get('where_expression', None) if isinstance(where_expression, basestring) and len(where_expression): LOG('SQLCatalog', INFO, 'Giving where_expression a string value is deprecated.') # Transform given where_expression into a query, and update kw. kw['where_expression'] = SQLQuery(where_expression) # Handle select_expression_key # It is required to support select_expression_key parameter for backward # compatiblity, but I'm not sure if there can be a serious use for it in # new API. order_by_override_list = kw.pop('select_expression_key', ()) return EntireQuery( query=self.buildQuery(kw, ignore_empty_string=ignore_empty_string), order_by_list=order_by_list, order_by_override_list=order_by_override_list, group_by_list=group_by_list, select_dict=select_dict, left_join_list=left_join_list, implicit_join=implicit_join, limit=limit, catalog_table_name=query_table, extra_column_list=extra_column_list, from_expression=from_expression) @profiler_decorator def buildSQLQuery(self, query_table='catalog', REQUEST=None, ignore_empty_string=1, only_group_columns=False, limit=None, extra_column_list=(), **kw): query = self.buildEntireQuery(kw, query_table=query_table, ignore_empty_string=ignore_empty_string, limit=limit, extra_column_list=extra_column_list) result = query.asSQLExpression(self, only_group_columns).asSQLExpressionDict() return result # Compatibililty SQL Sql buildSqlQuery = buildSQLQuery @profiler_decorator @transactional_cache_decorator('SQLCatalog._getSearchKeyDict') @profiler_decorator @caching_instance_method(id='SQLCatalog._getSearchKeyDict', cache_factory='erp5_content_long', cache_id_generator=generateCatalogCacheId, ) @profiler_decorator def _getSearchKeyDict(self): result = {} search_key_column_dict = { 'KeywordKey': self.sql_catalog_keyword_search_keys, 'FullTextKey': self.sql_catalog_full_text_search_keys, 'DateTimeKey': self.sql_catalog_datetime_search_keys, } for key, column_list in search_key_column_dict.iteritems(): for column in column_list: if column in result: LOG('SQLCatalog', WARNING, 'Ambiguous configuration: column %r is set to use %r key, but also to use %r key. Former takes precedence.' % (column, result[column], key)) else: result[column] = key for line in self.sql_catalog_search_keys: try: column, key = [x.strip() for x in line.split('|', 2)] result[column] = key except ValueError: LOG('SQLCatalog', WARNING, 'Wrong configuration for sql_catalog_search_keys: %r' % line) return result @profiler_decorator def getSearchKey(self, column, search_key=None): """ Return an instance of a SearchKey class. column (string) The column for which the search key will be returned. search_key (string) If given, must be the name of a SearchKey class to be returned. Returned value will be an instance of that class, even if column has been configured to use a different one. """ if search_key is None: search_key = self._getSearchKeyDict().get(column, 'DefaultKey') return getSearchKeyInstance(search_key, column) def getComparisonOperator(self, operator): """ Return an instance of an Operator class. operator (string) String defining the expected operator class. See Operator module to have a list of available operators. """ return getComparisonOperatorInstance(operator) PROPAGATE_PARAMETER_SET = set(['selection_domain', 'selection_report', # XXX should get the next parameters from # the ZSQLMethod class itself 'zsql_brain', ]) @profiler_decorator def _queryResults(self, REQUEST=None, build_sql_query_method=None, **kw): """ Returns a list of brains from a set of constraints on variables """ if build_sql_query_method is None: build_sql_query_method = self.buildSQLQuery kw.setdefault('implicit_join', False) query = build_sql_query_method(REQUEST=REQUEST, **kw) # XXX: decide if this should be made normal ENFORCE_SEPARATION = True if ENFORCE_SEPARATION: # Some parameters must be propagated: new_kw = dict((name, kw[name]) for name in self.PROPAGATE_PARAMETER_SET & set(kw)) # discard all others: kw = new_kw kw['where_expression'] = query['where_expression'] kw['sort_on'] = query['order_by_expression'] kw['from_table_list'] = query['from_table_list'] kw['from_expression'] = query['from_expression'] kw['limit_expression'] = query['limit_expression'] kw['select_expression'] = query['select_expression'] kw['group_by_expression'] = query['group_by_expression'] # XXX: why not kw.update(query)?? return kw def queryResults(self, sql_method, REQUEST=None, src__=0, build_sql_query_method=None, **kw): sql_kw = self._queryResults(REQUEST=REQUEST, build_sql_query_method=build_sql_query_method, **kw) return sql_method(src__=src__, **sql_kw) def getSearchResultsMethod(self): return getattr(self, self.sql_search_results) def searchResults(self, REQUEST=None, **kw): """ Returns a list of brains from a set of constraints on variables """ if 'only_group_columns' in kw: # searchResults must be consistent in API with countResults raise ValueError('only_group_columns does not belong to this API ' 'level, use queryResults directly') return self.queryResults( self.getSearchResultsMethod(), REQUEST=REQUEST, extra_column_list=self.getCatalogSearchResultKeys(), **kw ) __call__ = searchResults def getCountResultsMethod(self): return getattr(self, self.sql_count_results) def countResults(self, REQUEST=None, **kw): """ Returns the number of items which satisfy the where_expression """ return self.queryResults( self.getCountResultsMethod(), REQUEST=REQUEST, extra_column_list=self.getCatalogSearchResultKeys(), only_group_columns=True, **kw ) def isAdvancedSearchText(self, search_text): return isAdvancedSearchText(search_text, self.isValidColumn) def recordObjectList(self, path_list, catalog=1): """ Record the path of an object being catalogged or uncatalogged. """ method = getattr(self, self.sql_record_object_list) method(path_list=path_list, catalog=catalog) def deleteRecordedObjectList(self, uid_list=()): """ Delete all objects which contain any path. """ method = getattr(self, self.sql_delete_recorded_object_list) method(uid_list=uid_list) def readRecordedObjectList(self, catalog=1): """ Read objects. Note that this might not return all objects since ZMySQLDA limits the max rows. """ method = getattr(self, self.sql_read_recorded_object_list) return method(catalog=catalog) # Filtering def manage_editFilter(self, REQUEST=None, RESPONSE=None, URL1=None): """ This methods allows to set a filter on each zsql method called, so we can test if we should or not call a zsql method, so we can increase a lot the speed. """ if withCMF: method_id_list = [zsql_method.id for zsql_method in self.getFilterableMethodList()] # Remove unused filters. for id in self.filter_dict.keys(): if id not in method_id_list: del self.filter_dict[id] for id in method_id_list: # We will first look if the filter is activated if not self.filter_dict.has_key(id): self.filter_dict[id] = PersistentMapping() if REQUEST.has_key('%s_box' % id): self.filter_dict[id]['filtered'] = 1 else: self.filter_dict[id]['filtered'] = 0 expression = REQUEST.get('%s_expression' % id, '').strip() self.filter_dict[id]['expression'] = expression if expression: self.filter_dict[id]['expression_instance'] = Expression(expression) else: self.filter_dict[id]['expression_instance'] = None if REQUEST.has_key('%s_type' % id): list_type = REQUEST['%s_type' % id] if isinstance(list_type, str): list_type = [list_type] self.filter_dict[id]['type'] = list_type else: self.filter_dict[id]['type'] = [] self.filter_dict[id]['expression_cache_key'] = \ tuple(sorted(REQUEST.get('%s_expression_cache_key' % id, '').split())) if RESPONSE and URL1: RESPONSE.redirect(URL1 + '/manage_catalogFilter?manage_tabs_message=Filter%20Changed') def isMethodFiltered(self, method_name): """ Returns 1 if the method is already filtered, else it returns 0 """ if withCMF: # Reset Filtet dict if getattr(aq_base(self), 'filter_dict', None) is None: self.filter_dict = PersistentMapping() return 0 try: return self.filter_dict[method_name]['filtered'] except KeyError: return 0 return 0 def getExpression(self, method_name): """ Get the filter expression text for this method. """ if withCMF: if getattr(aq_base(self), 'filter_dict', None) is None: self.filter_dict = PersistentMapping() return "" try: return self.filter_dict[method_name]['expression'] except KeyError: return "" return "" def getExpressionCacheKey(self, method_name): """ Get the key string which is used to cache results for the given expression. """ if withCMF: if getattr(aq_base(self), 'filter_dict', None) is None: self.filter_dict = PersistentMapping() return "" try: return ' '.join(self.filter_dict[method_name]['expression_cache_key']) except KeyError: return "" return "" def getExpressionInstance(self, method_name): """ Get the filter expression instance for this method. """ if withCMF: if getattr(aq_base(self), 'filter_dict', None) is None: self.filter_dict = PersistentMapping() return None try: return self.filter_dict[method_name]['expression_instance'] except KeyError: return None return None def setFilterExpression(self, method_name, expression): """ Set the Expression for a certain method name. This allow set expressions by scripts. """ if withCMF: if getattr(aq_base(self), 'filter_dict', None) is None: self.filter_dict = PersistentMapping() return None self.filter_dict[method_name]['expression'] = expression if expression: self.filter_dict[method_name]['expression_instance'] = Expression(expression) else: self.filter_dict[method_name]['expression_instance'] = None def isPortalTypeSelected(self, method_name, portal_type): """ Returns true if the portal type is selected for this method. XXX deprecated """ if withCMF: if getattr(aq_base(self), 'filter_dict', None) is None: self.filter_dict = PersistentMapping() return 0 try: return portal_type in (self.filter_dict[method_name]['type']) except KeyError: return 0 return 0 def getFilteredPortalTypeList(self, method_name): """ Returns the list of portal types which define the filter. XXX deprecated """ if withCMF: if getattr(aq_base(self), 'filter_dict', None) is None: self.filter_dict = PersistentMapping() return [] try: return self.filter_dict[method_name]['type'] except KeyError: return [] return [] def getFilterDict(self): """ Utility Method. Filter Dict is a dictionary and used at Python Scripts, This method returns a filter dict as a dictionary. """ if withCMF: if getattr(aq_base(self), 'filter_dict', None) is None: self.filter_dict = PersistentMapping() return None filter_dict = {} for key in self.filter_dict: # Filter is also a Persistence dict. filter_dict[key] = {} for sub_key in self.filter_dict[key]: filter_dict[key][sub_key] = self.filter_dict[key][sub_key] return filter_dict return None def getFilterableMethodList(self): """ Returns only zsql methods wich catalog or uncatalog objets """ method_dict = {} if withCMF: methods = getattr(self,'sql_catalog_object',()) + \ getattr(self,'sql_uncatalog_object',()) + \ getattr(self,'sql_update_object',()) + \ getattr(self,'sql_catalog_object_list',()) for method_id in methods: method_dict[method_id] = 1 method_list = map(lambda method_id: getattr(self, method_id, None), method_dict.keys()) return filter(lambda method: method is not None, method_list) def getExpressionContext(self, ob): ''' An expression context provides names for TALES expressions. XXX deprecated ''' if withCMF: data = { 'here': ob, 'container': aq_parent(aq_inner(ob)), #'root': ob.getPhysicalRoot(), #'request': getattr( ob, 'REQUEST', None ), #'modules': SecureModuleImporter, #'user': getSecurityManager().getUser(), # XXX these below are defined, because there is no # accessor for some attributes, and restricted environment # may not access them directly. 'isDelivery': ob.isDelivery, 'isMovement': ob.isMovement, 'isPredicate': ob.isPredicate, 'isDocument': ob.isDocument, 'isInventory': ob.isInventory, 'isInventoryMovement': ob.isInventoryMovement, } return getEngine().getContext(data) InitializeClass(Catalog) class CatalogError(Exception): pass from Query.Query import Query as _Query from Query.SimpleQuery import SimpleQuery from Query.ComplexQuery import ComplexQuery from Query.AutoQuery import AutoQuery as Query def NegatedQuery(query): return ComplexQuery(query, logical_operator='not') def AndQuery(*args): return ComplexQuery(logical_operator='and', *args) def OrQuery(*args): return ComplexQuery(logical_operator='or', *args) allow_class(SimpleQuery) allow_class(ComplexQuery) import SearchKey SEARCH_KEY_INSTANCE_POOL = {} SEARCH_KEY_CLASS_CACHE = {} @profiler_decorator def getSearchKeyInstance(search_key_class_name, column): assert isinstance(search_key_class_name, basestring) try: search_key_class = SEARCH_KEY_CLASS_CACHE[search_key_class_name] except KeyError: search_key_class = getattr(getattr(SearchKey, search_key_class_name), search_key_class_name) SEARCH_KEY_CLASS_CACHE[search_key_class_name] = search_key_class try: instance_dict = SEARCH_KEY_INSTANCE_POOL[search_key_class] except KeyError: instance_dict = SEARCH_KEY_INSTANCE_POOL[search_key_class] = {} try: result = instance_dict[column] except KeyError: result = instance_dict[column] = search_key_class(column) return result class SearchKeyWrapperForScriptableKey(SearchKey.SearchKey.SearchKey): """ This SearchKey is a simple wrapper around a ScriptableKey, so such script can be used in place of a regular SearchKey. """ default_comparison_operator = None get_operator_from_value = False def __init__(self, column, script): self.script = script super(SearchKeyWrapperForScriptableKey, self).__init__(column) def buildQuery(self, search_value, group=None, logical_operator=None, comparison_operator=None): # XXX: It would be better to extend ScriptableKey API to support other # parameters. if group is not None: raise ValueError, 'ScriptableKey cannot be used inside a group ' \ '(%r given).' % (group, ) if logical_operator is not None: raise ValueError, 'ScriptableKey ignores logical operators ' \ '(%r given).' % (logical_operator, ) if comparison_operator != '': raise ValueError, 'ScriptableKey ignores comparison operators ' \ '(%r given).' % (comparison_operator, ) return self.script(search_value) from Operator import operator_dict def getComparisonOperatorInstance(operator): return operator_dict[operator] from Query.EntireQuery import EntireQuery from Query.SQLQuery import SQLQuery verifyClass(ISearchKeyCatalog, Catalog) if PROFILING_ENABLED: def Catalog_dumpProfilerData(self): return profiler_report() def Catalog_resetProfilerData(self): profiler_reset() Catalog.dumpProfilerData = Catalog_dumpProfilerData Catalog.resetProfilerData = Catalog_resetProfilerData