[gstreamer-bugs] [Bug 341114] New: pygst.require uses asserts rather than real error checking

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-python | Ver: 0.10.2

           Summary: pygst.require uses asserts rather than real error
                    checking
           Product: GStreamer
           Version: 0.10.2
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: minor
          Priority: Normal
         Component: gst-python
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: piman at sacredchao.net
         QAContact: johan at gnome.org
     GNOME version: Unspecified
   GNOME milestone: Unspecified


+++ This bug was initially created as a clone of Bug #341113 +++

pygst.require uses the assert keyword to check if the requested version is
available, and doesn't conflict with a previous requested one. However, assert
statements in Python are stripped when using python -O, and so can't be used
for real run-time sanity checks. They should be replaced by conditionals that
raise appropriate error types (probably ValueError, or a custom subclass of
it).

Example:
piman at toybox:~$ python -O
Python 2.3.5 (#2, Mar  6 2006, 10:12:24)
[GCC 4.0.3 20060304 (prerelease) (Debian 4.0.2-10)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import gst
>>> import pygst
>>> pygst.require("0.8")
>>> pygst.require("0.10")
>>>


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