#2419: tg-admin sql create fails with sqlobject on installed apps
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Reporter: toshio | Owner:
Type: defect | Status: new
Priority: normal | Milestone: __unclassified__
Component: TurboGears | Version: 1.0.8
Severity: normal | Keywords:
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One of our developers is using SQLObject and TG-1.0.8. He's writing up
documentation for end users on how to setup the application on their
machines.
The application is installed in /usr/share/israwhidebroken. There's two
directories in there:
* /usr/share/israwhidebroken/israwhidebroken <= Contains the module that
drives the app
* /usr/share/israwhidebroken/israwhidebroken-0.1-py26.egg-info <=
Contains the egg info for the module
He's tried to run "tg-admin sql create" to setup the database in a variety
of ways and it has failed. Our best guess as to what should work was::
{{{
$ cd /usr/share/israwhidebroken
$ PYTHONPATH=/usr/share/israwhidebroken tg-admin sql create -c
/etc/israwhidebroken.cfg
[...]
# note: line numbers slightly off as I have some print statements in for
debugging
Traceback (most recent call last):
File "/usr/bin/tg-admin", line 8, in <module>
load_entry_point('TurboGears==1.0.8', 'console_scripts', 'tg-admin')()
File "/usr/lib/python2.6/site-packages/turbogears/command/base.py", line
400, in main
command.run()
File "/usr/lib/python2.6/site-packages/turbogears/command/base.py", line
138, in run
command.the_runner.run(sys.argv)
File "/usr/lib/python2.6/site-packages/sqlobject/manager/command.py",
line 101, in run
runner.run()
File "/usr/lib/python2.6/site-packages/sqlobject/manager/command.py",
line 306, in run
self.load_options_from_egg(egg_spec)
File "/usr/lib/python2.6/site-packages/sqlobject/manager/command.py",
line 491, in load_options_from_egg
dist, conf = self.config_from_egg(egg_spec)
File "/usr/lib/python2.6/site-packages/sqlobject/manager/command.py",
line 501, in config_from_egg
dist = pkg_resources.get_distribution(egg_spec)
File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 270, in
get_distribution
if isinstance(dist,Requirement): dist = get_provider(dist)
File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 156, in
get_provider
return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]
File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 626, in
require
needed = self.resolve(parse_requirements(requirements))
File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 524, in
resolve
raise DistributionNotFound(req) # XXX put more info here
pkg_resources.DistributionNotFound: israwhidebroken-0.1-py2.6
}}}
I took a look and found that turbogears/command/base.py:SQL.run() was
getting
the name of the egg directory, stripping the '.egg-info' extension and
then
passing that on to sqlobject and hence to setuptools. Unfortunately,
setuptools doesn't know how to deal with "israwhidebroken-0.1-py2.6". it
treats the whole thing as a complete package name string. For setuptools
to
understand this it would need to be closer to "israwhidebroken == 0.1"
(not
sure how to deal with the py2.6).
I did some work and have a patch which transforms the directory name into
the
form setuptools expects. I also looked at TurboGears-1.1 and found that
the
logic is the same there and the patch applies.
--
Ticket URL: <http://trac.turbogears.org/ticket/2419>
TurboGears <http://www.turbogears.org/>
TurboGears front-to-back web development
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