Plugin Issue: AttributeError: 'Environment' object has no attribute 'get_db_cnx'

[roman.gerhardt@…]

Plugin Issue

​​PluginIssue:TracFormsPlugin

How to Reproduce

While doing a GET operation on /wiki, Trac issued an internal error.

This is caused by latest Trac making changes to the database API: ​Environment.get_db_cnx has been removed in Trac 1.1.2

Similar Tickets

#12334 #12652

Request parameters:

{}

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.110 Safari/537.36

System Information

Trac	1.2
Babel	0.9.6
Docutils	0.13.1
Genshi	0.7 (with speedups)
Pygments	1.4
pysqlite	2.6.0
Python	2.7.5 (default, Nov 6 2016, 00:28:07) [GCC 4.8.5 20150623 (Red Hat 4.8.5-11)]
RPC	1.1.6
setuptools	0.9.8
SQLite	3.7.17
Subversion	1.7.14 (r1542130)
jQuery	1.11.3
jQuery UI	1.11.4
jQuery Timepicker	1.5.5

Enabled Plugins

graphviz	1.3.0.1dev
LdapPlugin	0.7.0dev
ListMilestonesMacro	0.1.3
siteupload	0.11
Table-Sorter-Plugin	1.0
TestManager	1.9.0
TracForms	0.5dev
TracGenericClass	1.1.6
TracGenericWorkflow	1.0.5
TracIncludeMacro	3.0.0dev
TracIniAdminPanel	1.0.2
TracXMLRPC	1.1.6

Interface Customization

shared-htdocs	CustomerCard.ico, MIO.ico, PlatformStartup.ico, central-stats.ico, cg2.ico, css, cup.ico, lb4x.ico, logo_cbcx_2009.png, mio.ico, mt.png, myTicket.ico, new.png, next.ico, pg.gif, repos.ico, sbt3.ico
shared-templates	site.html
site-htdocs	common, inieditorpanel, shared, site, tablesorter, testmanager, tracdragdrop, tracgenericclass, tracgenericworkflow, tracrpc
site-templates

Python Traceback

Traceback (most recent call last):
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 613, in _dispatch_request
    dispatcher.dispatch(req)
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 263, in dispatch
    self._post_process_request(req, *resp)
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 444, in _post_process_request
    resp = f.post_process_request(req, *resp[:-1])
  File "build/bdist.linux-x86_64/egg/tracforms/web_ui.py", line 49, in post_process_request
    form = Form(env, realm, resource_id)
  File "build/bdist.linux-x86_64/egg/tracforms/model.py", line 55, in __init__
    self._get_siblings(parent_realm, parent_id)
  File "build/bdist.linux-x86_64/egg/tracforms/model.py", line 71, in _get_siblings
    parent_id])) or []
  File "build/bdist.linux-x86_64/egg/tracforms/api.py", line 113, in wrapper
    result = getattr(observer, fn.__name__)(*_args, **_kw)
  File "build/bdist.linux-x86_64/egg/tracforms/formdb.py", line 71, in get_tracform_ids
    db = self._get_db(db)
  File "build/bdist.linux-x86_64/egg/tracforms/tracdb.py", line 167, in _get_db
    return db or self.env.get_db_cnx()
AttributeError: 'Environment' object has no attribute 'get_db_cnx'

[Ryan J Ollos]

In 16386:

TracForms 0.5dev: Make compatible with Trac 1.2

Fixes #13127.

[Ryan J Ollos]

Lightly tested. Please make sure to backup your Trac environment before installing, and report any issues to this ticket.

[roman.gerhardt@…]

thx it worked