Merge pull request #158 from mruwek/multi-4all

Allow actions on multiple ids without MultiCommand

test/test_add_command.py

@@ -405,6 +405,11 @@ class AddCommandTest(CommandTest):
             "|  1| x 2015-01-01 {} Already completed\n".format(self.today))
         self.assertEqual(self.errors, "")
 
+    def test_add_name(self):
+        name = AddCommand.AddCommand.name()
+
+        self.assertEqual(name, 'add')
+
     def test_help(self):
         command = AddCommand.AddCommand(["help"], self.todolist, self.out,
                                         self.error)

test/test_append_command.py

@@ -102,6 +102,11 @@ class AppendCommandTest(CommandTest):
                 "|  2| Qux due:%s t:%s p:1 p:2\n" % (self.today, self.today))
         self.assertEqual(self.errors, "")
 
+    def test_append_name(self):
+        name = AppendCommand.name()
+
+        self.assertEqual(name, 'append')
+
     def test_help(self):
         command = AppendCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_delete_command.py

@@ -243,6 +243,11 @@ class DeleteCommandTest(CommandTest):
         self.assertFalse(self.output)
         self.assertEqual(self.errors, command.usage() + "\n")
 
+    def test_delete_name(self):
+        name = DeleteCommand.name()
+
+        self.assertEqual(name, 'delete')
+
     def test_help(self):
         command = DeleteCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_dep_command.py

@@ -360,6 +360,11 @@ node [ shape="none" margin="0" fontsize="9" fontname="Helvetica" ]
         self.assertEqual(self.errors, command.usage() + "\n")
         self.assertFalse(self.todolist.dirty)
 
+    def test_dep_name(self):
+        name = DepCommand.name()
+
+        self.assertEqual(name, 'dep')
+
     def test_help(self):
         command = DepCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_depri_command.py

@@ -167,6 +167,11 @@ class DepriCommandTest(CommandTest):
         self.assertFalse(self.output)
         self.assertEqual(self.errors, command.usage() + "\n")
 
+    def test_depri_name(self):
+        name = DepriCommand.name()
+
+        self.assertEqual(name, 'depri')
+
     def test_help(self):
         command = DepriCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_do_command.py

@@ -454,6 +454,11 @@ class DoCommandTest(CommandTest):
         self.assertFalse(self.output)
         self.assertEqual(self.errors, command.usage() + "\n")
 
+    def test_do_name(self):
+        name = DoCommand.name()
+
+        self.assertEqual(name, 'do')
+
     def test_help(self):
         command = DoCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_edit_command.py

@@ -196,6 +196,11 @@ class EditCommandTest(CommandTest):
         self.assertEqual(self.todolist.print_todos(), result)
         mock_call.assert_called_once_with([editor, todotxt])
 
+    def test_edit_name(self):
+        name = EditCommand.name()
+
+        self.assertEqual(name, 'edit')
+
     def test_help(self):
         command = EditCommand(["help"], self.todolist, self.out, self.error,
                               None)

test/test_list_command.py

@@ -420,6 +420,11 @@ class ListCommandTest(CommandTest):
         self.assertEqual(self.output, "|  1| (C) 2015-11-05 Foo @Context2 Not@Context +Project1 Not+Project\n")
         self.assertEqual(self.errors, "")
 
+    def test_list_name(self):
+        name = ListCommand.name()
+
+        self.assertEqual(name, 'list')
+
     def test_help(self):
         command = ListCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_list_context_command.py

@@ -38,6 +38,11 @@ class ListContextCommandTest(CommandTest):
         self.assertEqual(self.output, "Context1\nContext2\n")
         self.assertFalse(self.errors)
 
+    def test_listcontext_name(self):
+        name = ListContextCommand.name()
+
+        self.assertEqual(name, 'listcontext')
+
     def test_help(self):
         command = ListContextCommand(["help"], None, self.out, self.error)
         command.execute()

test/test_list_project_command.py

@@ -38,6 +38,11 @@ class ListProjectCommandTest(CommandTest):
         self.assertEqual(self.output, "Project1\nProject2\n")
         self.assertFalse(self.errors)
 
+    def test_listproject_name(self):
+        name = ListProjectCommand.name()
+
+        self.assertEqual(name, 'listproject')
+
     def test_help(self):
         command = ListProjectCommand(["help"], None, self.out, self.error)
         command.execute()

test/test_postpone_command.py

@@ -314,6 +314,11 @@ class PostponeCommandTest(CommandTest):
         self.assertEqual(self.output, result)
         self.assertEqual(self.errors, "")
 
+    def test_postpone_name(self):
+        name = PostponeCommand.name()
+
+        self.assertEqual(name, 'postpone')
+
     def test_help(self):
         command = PostponeCommand(["help"], self.todolist, self.out,
                                   self.error)

test/test_priority_command.py

@@ -249,6 +249,11 @@ class PriorityCommandTest(CommandTest):
         self.assertFalse(self.output)
         self.assertEqual(self.errors, command.usage() + "\n")
 
+    def test_priority_name(self):
+        name = PriorityCommand.name()
+
+        self.assertEqual(name, 'priority')
+
     def test_help(self):
         command = PriorityCommand(["help"], self.todolist, self.out,
                                   self.error)

test/test_revert_command.py

@@ -57,7 +57,7 @@ class RevertCommandTest(CommandTest):
         self.archive = TodoList([])
 
     def test_revert01(self):
-        backup = ChangeSet(p_call=['do 1'])
+        backup = ChangeSet(p_label=['do 1'])
         backup.add_todolist(self.todolist)
         backup.add_archive(self.archive)
         backup.timestamp = '1'
@@ -318,6 +318,11 @@ class RevertCommandTest(CommandTest):
 
         self.assertEqual(config().backup_count(), 5)
 
+    def test_revert_name(self):
+        name = RevertCommand.name()
+
+        self.assertEqual(name, 'revert')
+
     def test_help(self):
         command = RevertCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_sort_command.py

@@ -53,6 +53,11 @@ class SortCommandTest(CommandTest):
 
         self.assertEqual(todo1.source(), todo2.source())
 
+    def test_sort_name(self):
+        name = SortCommand.name()
+
+        self.assertEqual(name, 'sort')
+
     def test_help(self):
         command = SortCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_tag_command.py

@@ -288,6 +288,11 @@ class TagCommandTest(CommandTest):
         self.assertEqual(self.output, "")
         self.assertEqual(self.errors, command.usage() + "\n")
 
+    def test_tag_name(self):
+        name = TagCommand.name()
+
+        self.assertEqual(name, 'tag')
+
     def test_help(self):
         command = TagCommand(["help"], self.todolist, self.out, self.error)
         command.execute()

test/test_todo_list.py

@@ -247,6 +247,20 @@ class TodoListTester(TopydoTest):
             self.assertEqual(todo.src, results[i])
             i += 1
 
+    def test_ids_linenumber(self):
+        """ Confirms the ids method lists all todo IDs as line-numbers. """
+        config(p_overrides={('topydo', 'identifiers'): 'linenumber'})
+        results = {'1', '2', '3', '4', '5'}
+
+        self.assertEqual(results, self.todolist.ids())
+
+    def test_ids_uids(self):
+        """ Confirms the ids method lists all todo IDs as text uids. """
+        config("test/data/todolist-uid.conf")
+        results = {'n8m', 'mfg', 'z63', 't5c', 'wa5'}
+
+        self.assertEqual(results, self.todolist.ids())
+
 
 class TodoListDependencyTester(TopydoTest):
     def setUp(self):

topydo/commands/RevertCommand.py

@@ -43,7 +43,7 @@ class RevertCommand(Command):
             archive_file.write(archive.print_todos())
             last_change.delete()
 
-            self.out("Successfully reverted: " + last_change.call)
+            self.out("Successfully reverted: " + last_change.label)
         except (ValueError, KeyError):
             self.error('No backup was found for the current state of ' + config().todotxt())
 

topydo/lib/ChangeSet.py

@@ -43,11 +43,11 @@ def get_backup_path():
 class ChangeSet(object):
     """ Class for operations related with backup management. """
 
-    def __init__(self, p_todolist=None, p_archive=None, p_call=[]):
+    def __init__(self, p_todolist=None, p_archive=None, p_label=[]):
         self.todolist = deepcopy(p_todolist)
         self.archive = deepcopy(p_archive)
         self.timestamp = str(int(time.time()))
-        self.call = ' '.join(p_call)
+        self.label = ' '.join(p_label)
 
         try:
             self.json_file = open(get_backup_path(), 'r+b')
@@ -104,7 +104,7 @@ class ChangeSet(object):
         except AttributeError:
             list_archive = []
 
-        self.backup_dict[self.timestamp] = (list_todo, list_archive,  self.call)
+        self.backup_dict[self.timestamp] = (list_todo, list_archive,  self.label)
 
         index = self._get_index()
         index.insert(0, (self.timestamp, current_hash))
@@ -161,7 +161,7 @@ class ChangeSet(object):
     def get_backup(self, p_todolist):
         """
         Retrieves a backup for p_todolist from backup file and sets todolist,
-        archive and call attributes to appropriate data from it.
+        archive and label attributes to appropriate data from it.
         """
         change_hash = hash_todolist(p_todolist)
 
@@ -172,7 +172,7 @@ class ChangeSet(object):
 
         self.todolist = TodoList(d[0])
         self.archive = TodoList(d[1])
-        self.call = d[2]
+        self.label = d[2]
 
     def apply(self, p_todolist, p_archive):
         """ Applies backup on supplied p_todolist. """

topydo/lib/Command.py

@@ -85,6 +85,11 @@ class Command(object):
 
         return result
 
+    @classmethod
+    def name(cls):
+        """" Returns short-name of the command. """
+        return cls.__name__[:-7].lower()  # strip 'Command'
+
     def usage(self):
         """ Returns a one-line synopsis for this command. """
         raise NotImplementedError

topydo/lib/TodoList.py

@@ -289,4 +289,3 @@ class TodoList(TodoListBase):
         self._depgraph.transitively_reduce()
         clean_parent_relations()
         clean_orphan_relations()
-

topydo/lib/TodoListBase.py

@@ -280,3 +280,11 @@ class TodoListBase(object):
         """
         printer = PrettyPrinter()
         return "\n".join([str(s) for s in printer.print_list(self._todos)])
+
+    def ids(self):
+        """ Returns set with all todo IDs. """
+        if config().identifiers() == 'text':
+            ids = self._id_todo_map.keys()
+        else:
+            ids = [str(i + 1) for i in range(self.count())]
+        return set(ids)

topydo/ui/CLIApplicationBase.py

@@ -247,12 +247,13 @@ class CLIApplicationBase(object):
                 READ_ONLY_COMMANDS)
         return p_command.__module__.endswith(read_only_commands)
 
-    def _backup(self, p_command, p_args):
+    def _backup(self, p_command, p_args=[], p_label=None):
         if config().backup_count() > 0 and p_command and not self.is_read_only(p_command):
-            call = [p_command.__module__.lower()[16:-7]] + p_args # strip "topydo.commands" and "Command"
+            call = [p_command.name()]+ p_args
 
             from topydo.lib.ChangeSet import ChangeSet
-            self.backup = ChangeSet(self.todolist, p_call=call)
+            label = p_label if p_label else call
+            self.backup = ChangeSet(self.todolist, p_label=label)
 
     def _execute(self, p_command, p_args):
         """

topydo/ui/columns/Main.py

@@ -38,6 +38,7 @@ from topydo.ui.columns.ConsoleWidget import ConsoleWidget
 from topydo.ui.columns.KeystateWidget import KeystateWidget
 from topydo.ui.columns.TodoWidget import TodoWidget
 from topydo.ui.columns.TodoListWidget import TodoListWidget
+from topydo.ui.columns.Transaction import Transaction
 from topydo.ui.columns.Utils import PaletteItem, to_urwid_color
 from topydo.ui.columns.ViewWidget import ViewWidget
 from topydo.ui.columns.ColumnLayout import columns
@@ -118,7 +119,7 @@ class UIApplication(CLIApplicationBase):
         self.todofile = TodoFileWatched(config().todotxt(), callback)
         self.todolist = TodoList.TodoList(self.todofile.read())
 
-        self.marked_todos = []
+        self.marked_todos = set()
 
         self.columns = urwid.Columns([], dividechars=0,
             min_width=config().column_width())
@@ -260,6 +261,24 @@ class UIApplication(CLIApplicationBase):
     def _output(self, p_text):
         self._print_to_console(p_text)
 
+    def _check_id_validity(self, p_ids):
+        """
+        Checks if there are any invalid todo IDs in p_ids list.
+
+        Returns proper error message if any ID is invalid and None otherwise.
+        """
+        errors = []
+        valid_ids = self.todolist.ids()
+
+        if len(p_ids) == 0:
+            errors.append('No todo item was selected')
+        else:
+            errors = ["Invalid todo ID: {}".format(todo_id)
+                      for todo_id in p_ids - valid_ids]
+
+        errors = '\n'.join(errors) if errors else None
+        return errors
+
     def _execute_handler(self, p_command, p_todo_id=None, p_output=None):
         """
         Executes a command, given as a string.
@@ -269,11 +288,6 @@ class UIApplication(CLIApplicationBase):
 
         self._last_cmd = (p_command, p_output == self._output)
 
-        if '{}' in p_command:
-            if self._has_marked_todos():
-                p_todo_id = ' '.join(self.marked_todos)
-            p_command = p_command.format(p_todo_id)
-
         try:
             p_command = shlex.split(p_command)
         except ValueError as verr:
@@ -281,26 +295,37 @@ class UIApplication(CLIApplicationBase):
             return
 
         try:
-            (subcommand, args) = get_subcommand(p_command)
+            subcommand, args = get_subcommand(p_command)
         except ConfigError as cerr:
             self._print_to_console(
                 'Error: {}. Check your aliases configuration.'.format(cerr))
             return
 
-        self._backup(subcommand, args)
+        env_args = (self.todolist, p_output, self._output, self._input)
+        ids = None
 
-        try:
-            command = subcommand(
-                args,
-                self.todolist,
-                p_output,
-                self._output,
-                self._input,
-            )
+        if '{}' in args:
+            if self._has_marked_todos():
+                ids = self.marked_todos
+            else:
+                ids = {p_todo_id} if p_todo_id else set()
 
-            if command.execute() != False:
-                self._post_execute()
+            invalid_ids = self._check_id_validity(ids)
+
+            if invalid_ids:
+                self._print_to_console('Error: ' + invalid_ids)
+                return
+
+        transaction = Transaction(subcommand, env_args, ids)
+        transaction.prepare(args)
+        label = transaction.label
+        self._backup(subcommand, p_label=label)
 
+        try:
+            if transaction.execute():
+                self._post_execute()
+            else:
+                self._rollback()
         except TypeError:
             # TODO: show error message
             pass
@@ -318,6 +343,12 @@ class UIApplication(CLIApplicationBase):
         if dirty or self.marked_todos:
             self._reset_state()
 
+    def _rollback(self):
+        try:
+            self.backup.apply(self.todolist, p_archive=None)
+        except AttributeError:
+            pass
+
     def _repeat_last_cmd(self, p_todo_id=None):
         try:
             cmd, verbosity = self._last_cmd
@@ -330,7 +361,7 @@ class UIApplication(CLIApplicationBase):
     def _reset_state(self):
         for widget in TodoWidget.cache.values():
             widget.unmark()
-        self.marked_todos = []
+        self.marked_todos.clear()
         self._update_all_columns()
 
     def _blur_commandline(self):
@@ -600,7 +631,7 @@ class UIApplication(CLIApplicationBase):
         False otherwise.
         """
         if p_todo_id not in self.marked_todos:
-            self.marked_todos.append(p_todo_id)
+            self.marked_todos.add(p_todo_id)
             return True
         else:
             self.marked_todos.remove(p_todo_id)

topydo/ui/columns/Transaction.py

+# Topydo - A todo.txt client written in Python.
+# Copyright (C) 2017 Bram Schoenmakers <bram@topydo.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from topydo.lib.MultiCommand import MultiCommand
+
+
+class Transaction(object):
+    """
+    This class implements basic handling of executing any subcommand on multiple
+    todo items.
+    """
+    def __init__(self, p_subcommand=None, p_env_args=(), p_todo_ids=None):
+        self._multi = issubclass(p_subcommand, MultiCommand)
+        self._cmd = lambda op: p_subcommand(op, *p_env_args)
+        self._todo_ids = p_todo_ids
+        self._operations = []
+        self._cmd_name = p_subcommand.name()
+        self.label = []
+
+    def prepare(self, p_args):
+        """
+        Prepares list of operations to execute based on p_args, list of
+        todo items contained in _todo_ids attribute and _subcommand
+        attribute.
+        """
+        if self._todo_ids:
+            id_position = p_args.index('{}')
+
+            # Not using MultiCommand abilities would make EditCommand awkward
+            if self._multi:
+                p_args[id_position:id_position + 1] = self._todo_ids
+                self._operations.append(p_args)
+            else:
+                for todo_id in self._todo_ids:
+                    operation_args = p_args[:]
+                    operation_args[id_position] = todo_id
+                    self._operations.append(operation_args)
+        else:
+            self._operations.append(p_args)
+
+        self._create_label()
+
+    def _create_label(self):
+        if len(self._operations) > 1:
+            for operation in self._operations:
+                self.label.append(self._cmd_name + ' ' +
+                                  ' '.join(operation) + ';')
+        else:
+            self.label.append(self._cmd_name + ' ' +
+                              ' '.join(self._operations[0]))
+
+    def execute(self):
+        """
+        Executes each operation from _operations attribute.
+        """
+        last_operation = len(self._operations) - 1
+        for i, operation in enumerate(self._operations):
+            command = self._cmd(operation)
+
+            if command.execute() is False:
+                return False
+            elif i == last_operation:
+                return True