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Klaus Wölfel
erp5
Commits
406b1c68
Commit
406b1c68
authored
Feb 19, 2013
by
Julien Muchembled
Browse files
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Plain Diff
ZMySQLDA: code cleanup
parent
48600cf8
Changes
6
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Showing
6 changed files
with
63 additions
and
129 deletions
+63
-129
product/ZMySQLDA/DA.py
product/ZMySQLDA/DA.py
+2
-5
product/ZMySQLDA/Pool.py
product/ZMySQLDA/Pool.py
+0
-39
product/ZMySQLDA/__init__.py
product/ZMySQLDA/__init__.py
+1
-2
product/ZMySQLDA/connectionAdd.dtml
product/ZMySQLDA/connectionAdd.dtml
+1
-1
product/ZMySQLDA/connectionEdit.dtml
product/ZMySQLDA/connectionEdit.dtml
+1
-1
product/ZMySQLDA/db.py
product/ZMySQLDA/db.py
+58
-81
No files found.
product/ZMySQLDA/DA.py
View file @
406b1c68
...
...
@@ -91,15 +91,14 @@ __version__='$Revision: 1.4 $'[11:-2]
import
os
from
collections
import
defaultdict
from
weakref
import
WeakKeyDictionary
from
db
import
DB
import
transaction
import
Shared.DC.ZRDB
import
DABase
from
App.Dialogs
import
MessageDialog
from
App.special_dtml
import
HTMLFile
from
App.ImageFile
import
ImageFile
from
ExtensionClass
import
Base
from
DateTime
import
DateTime
from
.
import
DABase
from
.db
import
DB
SHARED_DC_ZRDB_LOCATION
=
os
.
path
.
dirname
(
Shared
.
DC
.
ZRDB
.
__file__
)
...
...
@@ -165,8 +164,6 @@ class Connection(DABase.Connection):
return
connection
.
string_literal
(
v
)
classes
=
(
'DA.Connection'
,)
meta_types
=
(
{
'name'
:
'Z %s Database Connection'
%
database_type
,
'action'
:
'manage_addZ%sConnectionForm'
%
database_type
,
...
...
product/ZMySQLDA/Pool.py
deleted
100644 → 0
View file @
48600cf8
from
Queue
import
Queue
,
Full
,
Empty
class
Pool
(
Queue
):
"""Manage a fixed-size pool of reusable, identical objects."""
def
__init__
(
self
,
constructor
,
poolsize
=
5
):
Queue
.
__init__
(
self
,
poolsize
)
self
.
constructor
=
constructor
def
get
(
self
,
block
=
1
):
"""Get an object from the pool or a new one if empty."""
try
:
return
self
.
empty
()
and
self
.
constructor
()
or
Queue
.
get
(
self
,
block
)
except
Empty
:
return
self
.
constructor
()
def
put
(
self
,
obj
,
block
=
1
):
"""Put an object into the pool if it is not full. The caller must
not use the object after this."""
try
:
return
self
.
full
()
and
None
or
Queue
.
put
(
self
,
obj
,
block
)
except
Full
:
pass
class
Constructor
:
"""Returns a constructor that returns apply(function, args, kwargs)
when called."""
def
__init__
(
self
,
function
,
*
args
,
**
kwargs
):
self
.
f
=
function
self
.
args
=
args
self
.
kwargs
=
kwargs
def
__call__
(
self
):
return
apply
(
self
.
f
,
self
.
args
,
self
.
kwargs
)
product/ZMySQLDA/__init__.py
View file @
406b1c68
...
...
@@ -87,8 +87,7 @@ __doc__='''Generic Database Adapter Package Registration
$Id: __init__.py,v 1.4 2001/08/17 02:17:38 adustman Exp $'''
__version__
=
'$Revision: 1.4 $'
[
11
:
-
2
]
import
sys
,
string
import
DA
from
.
import
DA
methods
=
DA
.
folder_methods
misc_
=
DA
.
misc_
...
...
product/ZMySQLDA/connectionAdd.dtml
View file @
406b1c68
...
...
@@ -31,7 +31,7 @@
<tr>
<th
align=
"LEFT"
valign=
"TOP"
>
Connect immediately
</th>
<td
align=
"LEFT"
valign=
"TOP"
>
<input
name=
"check
"
type=
"CHECKBOX"
value=
"YES
"
CHECKED
>
<input
name=
"check
:int"
type=
"CHECKBOX"
value=
"1
"
CHECKED
>
</td>
</tr>
<tr>
...
...
product/ZMySQLDA/connectionEdit.dtml
View file @
406b1c68
...
...
@@ -32,7 +32,7 @@
<tr>
<th
align=
"LEFT"
valign=
"TOP"
>
Connect immediately
</th>
<td
align=
"LEFT"
valign=
"TOP"
>
<input
name=
"check
"
type=
"CHECKBOX"
value=
"YES
"
CHECKED
>
<input
name=
"check
:int"
type=
"CHECKBOX"
value=
"1
"
CHECKED
>
</td>
</tr>
...
...
product/ZMySQLDA/db.py
View file @
406b1c68
...
...
@@ -105,7 +105,6 @@ from zLOG import LOG, ERROR
from
ZODB.POSException
import
ConflictError
import
sys
from
string
import
strip
,
split
,
upper
,
rfind
hosed_connection
=
(
CR
.
SERVER_GONE_ERROR
,
...
...
@@ -150,19 +149,14 @@ type_xlate = {
}
def
_mysql_timestamp_converter
(
s
):
if
len
(
s
)
<
14
:
s
=
s
+
"0"
*
(
14
-
len
(
s
))
s
=
s
.
ljust
(
14
,
'0'
)
parts
=
map
(
int
,
(
s
[:
4
],
s
[
4
:
6
],
s
[
6
:
8
],
s
[
8
:
10
],
s
[
10
:
12
],
s
[
12
:
14
]))
return
DateTime
(
"%04d-%02d-%02d %02d:%02d:%02d"
%
tuple
(
parts
))
def
DateTime_or_None
(
s
):
try
:
return
DateTime
(
'%s UTC'
%
s
)
except
:
return
None
def
int_or_long
(
s
):
try
:
return
int
(
s
)
except
:
return
long
(
s
)
except
Exception
:
return
None
def
ord_or_None
(
s
):
if
s
is
not
None
:
...
...
@@ -171,7 +165,7 @@ def ord_or_None(s):
class
DB
(
TM
):
conv
=
conversions
.
copy
()
conv
[
FIELD_TYPE
.
LONG
]
=
int
_or_long
conv
[
FIELD_TYPE
.
LONG
]
=
int
conv
[
FIELD_TYPE
.
DATETIME
]
=
DateTime_or_None
conv
[
FIELD_TYPE
.
DATE
]
=
DateTime_or_None
conv
[
FIELD_TYPE
.
DECIMAL
]
=
float
...
...
@@ -187,7 +181,7 @@ class DB(TM):
transactionality once instead of once per DB instance.
"""
self
.
_connection
=
connection
self
.
_
kw_args
=
self
.
_parse_connection_string
(
connection
)
self
.
_
parse_connection_string
(
)
self
.
_forceReconnection
()
transactional
=
self
.
db
.
server_capabilities
&
CLIENT
.
TRANSACTIONS
if
self
.
_try_transactions
==
'-'
:
...
...
@@ -197,50 +191,40 @@ class DB(TM):
self
.
_transactions
=
transactional
self
.
_use_TM
=
transactional
or
self
.
_mysql_lock
def
_parse_connection_string
(
self
,
connection
):
kwargs
=
{
'conv'
:
self
.
conv
}
items
=
split
(
connection
)
self
.
_use_TM
=
None
if
not
items
:
return
kwargs
compress
=
items
[
0
]
if
compress
==
"~"
:
def
_parse_connection_string
(
self
):
self
.
_mysql_lock
=
self
.
_try_transactions
=
None
self
.
_kw_args
=
kwargs
=
{
'conv'
:
self
.
conv
}
items
=
self
.
_connection
.
split
()
if
not
items
:
return
if
items
[
0
]
==
"~"
:
kwargs
[
'compress'
]
=
True
items
=
items
[
1
:]
lockreq
,
items
=
items
[
0
],
items
[
1
:]
if
lockreq
[
0
]
==
"*"
:
self
.
_mysql_lock
=
lockreq
[
1
:]
db_host
,
items
=
items
[
0
],
items
[
1
:]
self
.
_use_TM
=
1
else
:
self
.
_mysql_lock
=
None
db_host
=
lockreq
if
'@'
in
db_host
:
db
,
host
=
split
(
db_host
,
'@'
,
1
)
kwargs
[
'db'
]
=
db
del
items
[
0
]
if
items
[
0
][
0
]
==
"*"
:
self
.
_mysql_lock
=
items
.
pop
(
0
)[
1
:]
db
=
items
.
pop
(
0
)
if
'@'
in
db
:
db
,
host
=
db
.
split
(
'@'
,
1
)
if
host
.
startswith
(
'['
):
host
,
port
=
split
(
host
[
1
:],
']'
,
1
)
host
,
port
=
host
[
1
:].
split
(
']'
,
1
)
if
port
.
startswith
(
':'
):
kwargs
[
'port'
]
=
int
(
port
[
1
:])
elif
':'
in
host
:
host
,
port
=
split
(
host
,
':'
,
1
)
host
,
port
=
host
.
split
(
':'
,
1
)
kwargs
[
'port'
]
=
int
(
port
)
kwargs
[
'host'
]
=
host
else
:
kwargs
[
'db'
]
=
db_host
if
kwargs
[
'db'
]
and
kwargs
[
'db'
][
0
]
in
(
'+'
,
'-'
):
self
.
_try_transactions
=
kwargs
[
'db'
][
0
]
kwargs
[
'db'
]
=
kwargs
[
'db'
][
1
:]
else
:
self
.
_try_transactions
=
None
if
not
kwargs
[
'db'
]:
del
kwargs
[
'db'
]
if
not
items
:
return
kwargs
kwargs
[
'user'
],
items
=
items
[
0
],
items
[
1
:]
if
not
items
:
return
kwargs
kwargs
[
'passwd'
],
items
=
items
[
0
],
items
[
1
:]
if
not
items
:
return
kwargs
kwargs
[
'unix_socket'
],
items
=
items
[
0
],
items
[
1
:]
return
kwargs
if
db
:
if
db
[
0
]
in
'+-'
:
self
.
_try_transactions
=
db
[
0
]
db
=
db
[
1
:]
if
db
:
kwargs
[
'db'
]
=
db
if
items
:
kwargs
[
'user'
]
=
items
.
pop
(
0
)
if
items
:
kwargs
[
'passwd'
]
=
items
.
pop
(
0
)
if
items
:
kwargs
[
'unix_socket'
]
=
items
.
pop
(
0
)
defs
=
{
FIELD_TYPE
.
CHAR
:
"i"
,
FIELD_TYPE
.
DATE
:
"d"
,
...
...
@@ -271,23 +255,23 @@ class DB(TM):
return
r
def
columns
(
self
,
table_name
):
from
string
import
join
try
:
c
=
self
.
_query
(
'SHOW COLUMNS FROM %s'
%
table_name
)
except
:
except
Exception
:
return
()
join
=
str
.
join
r
=
[]
for
Field
,
Type
,
Null
,
Key
,
Default
,
Extra
in
c
.
fetch_row
(
0
):
info
=
{}
field_default
=
Default
and
"DEFAULT %s"
%
Default
or
''
if
Default
:
info
[
'Default'
]
=
Default
if
'('
in
Type
:
end
=
rfind
(
Type
,
')'
)
short_type
,
size
=
split
(
Type
[:
end
],
'('
,
1
)
end
=
Type
.
rfind
(
')'
)
short_type
,
size
=
Type
[:
end
].
split
(
'('
,
1
)
if
short_type
not
in
(
'set'
,
'enum'
):
if
','
in
size
:
info
[
'Scale'
],
info
[
'Precision'
]
=
\
map
(
int
,
s
plit
(
size
,
','
,
1
))
map
(
int
,
s
ize
.
split
(
','
,
1
))
else
:
info
[
'Scale'
]
=
int
(
size
)
else
:
...
...
@@ -302,7 +286,7 @@ class DB(TM):
info
[
'Description'
]
=
join
([
Type
,
field_default
,
Extra
or
''
,
key_types
.
get
(
Key
,
Key
or
''
),
Null
!=
'YES'
and
'NOT NULL'
or
''
]),
info
[
'Nullable'
]
=
(
Null
==
'YES'
)
and
1
or
0
info
[
'Nullable'
]
=
Null
==
'YES'
if
Key
:
info
[
'Index'
]
=
1
if
Key
==
'PRI'
:
...
...
@@ -331,8 +315,7 @@ class DB(TM):
raise
OperationalError
(
m
[
0
],
'%s: %s'
%
(
m
[
1
],
query
))
if
m
[
0
]
in
lock_error
:
raise
ConflictError
(
'%s: %s: %s'
%
(
m
[
0
],
m
[
1
],
query
))
if
((
not
force_reconnect
)
and
\
(
self
.
_mysql_lock
or
self
.
_transactions
))
or
\
if
not
force_reconnect
and
self
.
_use_TM
or
\
m
[
0
]
not
in
hosed_connection
:
LOG
(
'ZMySQLDA'
,
ERROR
,
'query failed: %s'
%
(
query
,))
raise
...
...
@@ -370,39 +353,33 @@ class DB(TM):
def
query
(
self
,
query_string
,
max_rows
=
1000
):
self
.
_use_TM
and
self
.
_register
()
desc
=
None
result
=
()
desc
=
None
# XXX deal with a typical mistake that the user appends
# an unnecessary and rather harmful semicolon at the end.
# Unfortunately, MySQLdb does not want to be graceful.
if
query_string
[
-
1
:]
==
';'
:
query_string
=
query_string
[:
-
1
]
for
qs
in
filter
(
None
,
map
(
strip
,
split
(
query_string
,
'
\
0
'
))):
qtype
=
upper
(
split
(
qs
,
None
,
1
)[
0
])
if
qtype
==
"SELECT"
and
max_rows
:
qs
=
"%s LIMIT %d"
%
(
qs
,
max_rows
)
r
=
0
c
=
self
.
_query
(
qs
)
if
c
:
if
desc
is
not
None
is
not
c
.
describe
():
raise
'Query Error'
,
(
'Multiple select schema are not allowed'
)
desc
=
c
.
describe
()
result
=
c
.
fetch_row
(
max_rows
)
if
desc
is
None
:
return
(),()
items
=
[]
func
=
items
.
append
defs
=
self
.
defs
for
d
in
desc
:
item
=
{
'name'
:
d
[
0
],
'type'
:
defs
.
get
(
d
[
1
],
"t"
),
for
qs
in
query_string
.
split
(
'
\
0
'
):
qs
=
qs
.
strip
()
if
qs
:
if
qs
[:
6
].
upper
()
==
"SELECT"
and
max_rows
:
qs
=
"%s LIMIT %d"
%
(
qs
,
max_rows
)
c
=
self
.
_query
(
qs
)
if
c
:
if
desc
is
not
None
is
not
c
.
describe
():
raise
Exception
(
'Multiple select schema are not allowed'
)
desc
=
c
.
describe
()
result
=
c
.
fetch_row
(
max_rows
)
if
desc
is
None
:
return
(),
()
get_def
=
self
.
defs
.
get
items
=
[{
'name'
:
d
[
0
],
'type'
:
get_def
(
d
[
1
],
"t"
),
'width'
:
d
[
2
],
'null'
:
d
[
6
]
}
func
(
item
)
}
for
d
in
desc
]
return
items
,
result
def
string_literal
(
self
,
s
):
...
...
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