Commit c47c663f authored by Vincent Pelletier's avatar Vincent Pelletier

Remove dependency over ZMySQLDA by duplicating previously-shared code & files,...

Remove dependency over ZMySQLDA by duplicating previously-shared code & files, as asked by Yoshinori.
Remove a useless "pass".


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13716 20353a03-c40f-0410-a6d1-a30d3c3de9de
parent 67193348
......@@ -83,9 +83,17 @@
# attributions are listed in the accompanying credits file.
#
##############################################################################
database_type='MySQL'
from Products.ZMySQLDA.DA import *
import os
from db import DeferredDB
import Shared.DC.ZRDB.Connection, sys, DABase
from App.Dialogs import MessageDialog
from Globals import HTMLFile
from ImageFile import ImageFile
from ExtensionClass import Base
from DateTime import DateTime
from thread import allocate_lock
manage_addZMySQLDeferredConnectionForm=HTMLFile('deferredConnectionAdd',globals())
......@@ -96,24 +104,49 @@ def manage_addZMySQLDeferredConnection(self, id, title,
self._setObject(id, DeferredConnection(id, title, connection_string, check))
if REQUEST is not None: return self.manage_main(self,REQUEST)
class DeferredConnection(Connection):
# Connection Pool for connections to MySQL.
database_connection_pool_lock = allocate_lock()
database_connection_pool = {}
class DeferredConnection(DABase.Connection):
"""
Experimental MySQL DA which implements
deferred SQL code execution to reduce locking issues
"""
database_type=database_type
id='%s_database_connection' % database_type
meta_type=title='Z %s Deferred Database Connection' % database_type
icon='misc_/Z%sDDA/conn' % database_type
manage_properties=HTMLFile('connectionEdit', globals())
def factory(self): return DeferredDB
def connect(self,s):
try: self._v_database_connection.close()
except: pass
self._v_connected=''
DB=self.factory()
## No try. DO.
self._v_database_connection=DeferredDB(s)
self._v_connected=DateTime()
return self
def connect(self, s):
try:
database_connection_pool_lock.acquire()
self._v_connected = ''
pool_key = self.getPhysicalPath()
connection = database_connection_pool.get(pool_key)
if connection is not None and connection.connection == s:
self._v_database_connection = connection
else:
if connection is not None:
connection.closeConnection()
DB = self.factory()
database_connection_pool[pool_key] = DeferredDB(s)
self._v_database_connection = database_connection_pool[pool_key]
# XXX If date is used as such, it can be wrong because an existing
# connection may be reused. But this is suposedly only used as a
# marker to know if connection was successfull.
self._v_connected = DateTime()
finally:
database_connection_pool_lock.release()
return self
def sql_quote__(self, v, escapes={}):
return self._v_database_connection.string_literal(v)
classes=('DA.DeferredConnection')
......@@ -132,8 +165,8 @@ folder_methods={
__ac_permissions__=(
('Add Z MySQL Database Connections',
('manage_addZMySQLConnectionForm',
'manage_addZMySQLConnection')),
('manage_addZMySQLDeferredConnectionForm',
'manage_addZMySQLDeferredConnection')),
)
misc_={'conn': ImageFile(
......
##############################################################################
#
# Zope Public License (ZPL) Version 1.0
# -------------------------------------
#
# Copyright (c) Digital Creations. All rights reserved.
#
# This license has been certified as Open Source(tm).
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions in source code must retain the above copyright
# notice, this list of conditions, and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions, and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Digital Creations requests that attribution be given to Zope
# in any manner possible. Zope includes a "Powered by Zope"
# button that is installed by default. While it is not a license
# violation to remove this button, it is requested that the
# attribution remain. A significant investment has been put
# into Zope, and this effort will continue if the Zope community
# continues to grow. This is one way to assure that growth.
#
# 4. All advertising materials and documentation mentioning
# features derived from or use of this software must display
# the following acknowledgement:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# In the event that the product being advertised includes an
# intact Zope distribution (with copyright and license included)
# then this clause is waived.
#
# 5. Names associated with Zope or Digital Creations must not be used to
# endorse or promote products derived from this software without
# prior written permission from Digital Creations.
#
# 6. Modified redistributions of any form whatsoever must retain
# the following acknowledgment:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# Intact (re-)distributions of any official Zope release do not
# require an external acknowledgement.
#
# 7. Modifications are encouraged but must be packaged separately as
# patches to official Zope releases. Distributions that do not
# clearly separate the patches from the original work must be clearly
# labeled as unofficial distributions. Modifications which do not
# carry the name Zope may be packaged in any form, as long as they
# conform to all of the clauses above.
#
#
# Disclaimer
#
# THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL CREATIONS OR ITS
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
# This software consists of contributions made by Digital Creations and
# many individuals on behalf of Digital Creations. Specific
# attributions are listed in the accompanying credits file.
#
##############################################################################
__doc__='''Database Connection
$Id: DABase.py,v 1.5 2001/08/17 02:17:38 adustman Exp $'''
__version__='$Revision: 1.5 $'[11:-2]
import Shared.DC.ZRDB.Connection, sys
from Globals import HTMLFile
from ImageFile import ImageFile
from ExtensionClass import Base
import Acquisition
class Connection(Shared.DC.ZRDB.Connection.Connection):
_isAnSQLConnection=1
manage_options=Shared.DC.ZRDB.Connection.Connection.manage_options+(
{'label': 'Browse', 'action':'manage_browse'},
# {'label': 'Design', 'action':'manage_tables'},
)
manage_tables=HTMLFile('tables',globals())
manage_browse=HTMLFile('browse',globals())
info=None
def tpValues(self):
#if hasattr(self, '_v_tpValues'): return self._v_tpValues
r=[]
# self._v_tables=tables=TableBrowserCollection()
#tables=tables.__dict__
c=self._v_database_connection
try:
for d in c.tables(rdb=0):
try:
name=d['TABLE_NAME']
b=TableBrowser()
b.__name__=name
b._d=d
b._c=c
#b._columns=c.columns(name)
b.icon=table_icons.get(d['TABLE_TYPE'],'text')
r.append(b)
# tables[name]=b
except:
# print d['TABLE_NAME'], sys.exc_type, sys.exc_value
pass
finally: pass #print sys.exc_type, sys.exc_value
#self._v_tpValues=r
return r
def __getitem__(self, name):
if name=='tableNamed':
if not hasattr(self, '_v_tables'): self.tpValues()
return self._v_tables.__of__(self)
raise KeyError, name
def manage_wizard(self, tables):
" "
def manage_join(self, tables, select_cols, join_cols, REQUEST=None):
"""Create an SQL join"""
def manage_insert(self, table, cols, REQUEST=None):
"""Create an SQL insert"""
def manage_update(self, table, keys, cols, REQUEST=None):
"""Create an SQL update"""
class TableBrowserCollection(Acquisition.Implicit):
"Helper class for accessing tables via URLs"
class Browser(Base):
def __getattr__(self, name):
try: return self._d[name]
except KeyError: raise AttributeError, name
class values:
def len(self): return 1
def __getitem__(self, i):
try: return self._d[i]
except AttributeError: pass
self._d=self._f()
return self._d[i]
class TableBrowser(Browser, Acquisition.Implicit):
icon='what'
Description=check=''
info=HTMLFile('table_info',globals())
menu=HTMLFile('table_menu',globals())
def tpValues(self):
v=values()
v._f=self.tpValues_
return v
def tpValues_(self):
r=[]
tname=self.__name__
for d in self._c.columns(tname):
b=ColumnBrowser()
b._d=d
b.icon=d['Icon']
b.TABLE_NAME=tname
r.append(b)
return r
def tpId(self): return self._d['TABLE_NAME']
def tpURL(self): return "Table/%s" % self._d['TABLE_NAME']
def Name(self): return self._d['TABLE_NAME']
def Type(self): return self._d['TABLE_TYPE']
manage_designInput=HTMLFile('designInput',globals())
def manage_buildInput(self, id, source, default, REQUEST=None):
"Create a database method for an input form"
args=[]
values=[]
names=[]
columns=self._columns
for i in range(len(source)):
s=source[i]
if s=='Null': continue
c=columns[i]
d=default[i]
t=c['Type']
n=c['Name']
names.append(n)
if s=='Argument':
values.append("<!--#sql-value %s type=%s-->'" %
(n, vartype(t)))
a='%s%s' % (n, boboType(t))
if d: a="%s=%s" % (a,d)
args.append(a)
elif s=='Property':
values.append("<!--#sql-value %s type=%s-->'" %
(n, vartype(t)))
else:
if isStringType(t):
if find(d,"\'") >= 0: d=join(split(d,"\'"),"''")
values.append("'%s'" % d)
elif d:
values.append(str(d))
else:
raise ValueError, (
'no default was given for <em>%s</em>' % n)
class ColumnBrowser(Browser):
icon='field'
def check(self):
return ('\t<input type=checkbox name="%s.%s">' %
(self.TABLE_NAME, self._d['Name']))
def tpId(self): return self._d['Name']
def tpURL(self): return "Column/%s" % self._d['Name']
def Description(self): return " %s" % self._d['Description']
table_icons={
'TABLE': 'table',
'VIEW':'view',
'SYSTEM_TABLE': 'stable',
}
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