Cannot find test_backend_svg and others while running tests.py

I use up-to-date Debian testing (wheezy) with an amd64 architecture. I am trying to use matplotlib with Python 3.2, I downloaded matplotlib-matplotlib-v1.1.0-684-ge87374e.tar.gz
I expanded the tarball and did
python3.2 setup.py build
and, as root,
python3.2 setup.py install

When I tried to run
python3.2 tests.py
I had two types of error. First the files in lib/dateutil: parser.py, rrule.py, etc. had not been run through 2to3. I removed back-quotes, used the function-call form for exceptions, and fixed some import statements.

After fixing these errors I get 13 messages like:

ERROR: Failure: AttributeError ('module' object has no attribute 'test_backend_svg')

···

----------------------------------------------------------------------
Traceback (most recent call last):
   File "/usr/lib/python3/dist-packages/nose/failure.py", line 37, in runTest
     raise self.exc_class(self.exc_val).with_traceback(self.tb)
   File "/usr/lib/python3/dist-packages/nose/loader.py", line 379, in loadTestsFromName
     module = resolve_name(addr.module)
   File "/usr/lib/python3/dist-packages/nose/util.py", line 331, in resolve_name
     obj = getattr(obj, part)
AttributeError: 'module' object has no attribute 'test_backend_svg'

These tests are all in build/lib.linux-x86_64-3.2/matplotlib/tests.

There is a similar problem in http://sourceforge.net/mailarchive/message.php?msg_id=28398373

What is the problem and the fix?

Are you running the tests from the source directory? That often results in failures that look like this.

Mike

···

On 05/14/2012 06:11 PM, Edward C. Jones wrote:

I use up-to-date Debian testing (wheezy) with an amd64 architecture. I
am trying to use matplotlib with Python 3.2, I downloaded
matplotlib-matplotlib-v1.1.0-684-ge87374e.tar.gz
I expanded the tarball and did
python3.2 setup.py build
and, as root,
python3.2 setup.py install

When I tried to run
python3.2 tests.py
I had two types of error. First the files in lib/dateutil: parser.py,
rrule.py, etc. had not been run through 2to3. I removed back-quotes,
used the function-call form for exceptions, and fixed some import
statements.

After fixing these errors I get 13 messages like:

ERROR: Failure: AttributeError ('module' object has no attribute
'test_backend_svg')
----------------------------------------------------------------------
Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/nose/failure.py", line 37, in
runTest
      raise self.exc_class(self.exc_val).with_traceback(self.tb)
    File "/usr/lib/python3/dist-packages/nose/loader.py", line 379, in
loadTestsFromName
      module = resolve_name(addr.module)
    File "/usr/lib/python3/dist-packages/nose/util.py", line 331, in
resolve_name
      obj = getattr(obj, part)
AttributeError: 'module' object has no attribute 'test_backend_svg'

These tests are all in build/lib.linux-x86_64-3.2/matplotlib/tests.

There is a similar problem in
http://sourceforge.net/mailarchive/message.php?msg_id=28398373

What is the problem and the fix?

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