test_import failures

[pitrou]

BPO	12123
Nosy	@warsaw, @brettcannon, @ncoghlan, @pitrou, @vstinner

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2011-05-20.00:12:09.307>
created_at = <Date 2011-05-19.16:26:48.066>
labels = ['type-bug', 'tests']
title = 'test_import failures'
updated_at = <Date 2011-05-20.00:12:09.305>
user = 'https://github.com/pitrou'

bugs.python.org fields:

activity = <Date 2011-05-20.00:12:09.305>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2011-05-20.00:12:09.307>
closer = 'vstinner'
components = ['Tests']
creation = <Date 2011-05-19.16:26:48.066>
creator = 'pitrou'
dependencies = []
files = []
hgrepos = []
issue_num = 12123
keywords = []
message_count = 3.0
messages = ['136305', '136320', '136345']
nosy_count = 5.0
nosy_names = ['barry', 'brett.cannon', 'ncoghlan', 'pitrou', 'vstinner']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'needs patch'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue12123'
versions = ['Python 3.3']

[pitrou]

I get the following failures under a fresh checkout:

======================================================================
ERROR: test_file_to_source (test.test_import.ImportTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/antoine/t/cpython/Lib/test/test_import.py", line 253, in test_file_to_source
    make_legacy_pyc(source)
  File "/home/antoine/t/cpython/Lib/test/support.py", line 217, in make_legacy_pyc
    os.rename(pyc_file, legacy_pyc)
OSError: [Errno 2] No such file or directory

======================================================================
ERROR: test___cached___legacy_pyc (test.test_import.PycacheTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/antoine/t/cpython/Lib/test/test_import.py", line 584, in test___cached___legacy_pyc
    pyc_file = make_legacy_pyc(self.source)
  File "/home/antoine/t/cpython/Lib/test/support.py", line 217, in make_legacy_pyc
    os.rename(pyc_file, legacy_pyc)
OSError: [Errno 2] No such file or directory

======================================================================
ERROR: test_missing_source_legacy (test.test_import.PycacheTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/antoine/t/cpython/Lib/test/test_import.py", line 564, in test_missing_source_legacy
    pyc_file = make_legacy_pyc(self.source)
  File "/home/antoine/t/cpython/Lib/test/support.py", line 217, in make_legacy_pyc
    os.rename(pyc_file, legacy_pyc)
OSError: [Errno 2] No such file or directory

======================================================================
FAIL: test_execute_bit_not_copied (test.test_import.ImportTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/antoine/t/cpython/Lib/test/test_import.py", line 112, in test_execute_bit_not_copied
    self.fail("__import__ did not result in creation of "
AssertionError: __import__ did not result in creation of either a .pyc or .pyo file

======================================================================
FAIL: test_import_pyc_path (test.test_import.PycacheTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/antoine/t/cpython/Lib/test/test_import.py", line 531, in test_import_pyc_path
    self.assertTrue(os.path.exists('__pycache__'))
AssertionError: False is not true

======================================================================
FAIL: test_missing_source (test.test_import.PycacheTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/antoine/t/cpython/Lib/test/test_import.py", line 552, in test_missing_source
    self.assertTrue(os.path.exists(pyc_file))
AssertionError: False is not true

======================================================================
FAIL: test_unwritable_directory (test.test_import.PycacheTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/antoine/t/cpython/Lib/test/test_import.py", line 543, in test_unwritable_directory
    self.assertTrue(os.path.exists('__pycache__'))
AssertionError: False is not true

[pitrou]

This is due to PYTHONDONTWRITEBYTECODE being set. Not sure this is worth fixing.

[vstinner]

Duplicate of bpo-12117.