234 lines
8.3 KiB
Python
Executable file
234 lines
8.3 KiB
Python
Executable file
#!/usr/bin/env python
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"""Import the given python module(s) and report error(s) encountered."""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import contextlib
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import os
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import re
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import sys
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import traceback
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import warnings
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try:
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import importlib.util
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imp = None # pylint: disable=invalid-name
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except ImportError:
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importlib = None # pylint: disable=invalid-name
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import imp
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try:
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from StringIO import StringIO
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except ImportError:
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from io import StringIO
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import ansible.module_utils.basic
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import ansible.module_utils.common.removed
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try:
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from ansible.utils.collection_loader import AnsibleCollectionLoader
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except ImportError:
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AnsibleCollectionLoader = None
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class ImporterAnsibleModuleException(Exception):
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"""Exception thrown during initialization of ImporterAnsibleModule."""
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class ImporterAnsibleModule:
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"""Replacement for AnsibleModule to support import testing."""
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def __init__(self, *args, **kwargs):
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raise ImporterAnsibleModuleException()
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# stop Ansible module execution during AnsibleModule instantiation
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ansible.module_utils.basic.AnsibleModule = ImporterAnsibleModule
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# no-op for _load_params since it may be called before instantiating AnsibleModule
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ansible.module_utils.basic._load_params = lambda *args, **kwargs: {} # pylint: disable=protected-access
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# no-op for removed_module since it is called in place of AnsibleModule instantiation
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ansible.module_utils.common.removed.removed_module = lambda *args, **kwargs: None
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def main():
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"""Main program function."""
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base_dir = os.getcwd()
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messages = set()
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if AnsibleCollectionLoader:
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# allow importing code from collections
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sys.meta_path.insert(0, AnsibleCollectionLoader())
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for path in sys.argv[1:] or sys.stdin.read().splitlines():
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test_python_module(path, base_dir, messages, False)
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test_python_module(path, base_dir, messages, True)
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if messages:
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exit(10)
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def test_python_module(path, base_dir, messages, ansible_module):
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if ansible_module:
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# importing modules with __main__ under Python 2.6 exits with status code 1
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if sys.version_info < (2, 7):
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return
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# only run __main__ protected code for Ansible modules
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if not path.startswith('lib/ansible/modules/'):
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return
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# async_wrapper is not an Ansible module
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if path == 'lib/ansible/modules/utilities/logic/async_wrapper.py':
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return
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# run code protected by __name__ conditional
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name = '__main__'
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# show the Ansible module responsible for the exception, even if it was thrown in module_utils
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filter_dir = os.path.join(base_dir, 'lib/ansible/modules')
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else:
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# do not run code protected by __name__ conditional
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name = 'module_import_test'
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# show the Ansible file responsible for the exception, even if it was thrown in 3rd party code
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filter_dir = base_dir
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capture = Capture()
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try:
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if imp:
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with open(path, 'r') as module_fd:
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with capture_output(capture):
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imp.load_module(name, module_fd, os.path.abspath(path), ('.py', 'r', imp.PY_SOURCE))
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else:
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spec = importlib.util.spec_from_file_location(name, os.path.abspath(path))
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module = importlib.util.module_from_spec(spec)
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with capture_output(capture):
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spec.loader.exec_module(module)
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capture_report(path, capture, messages)
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except ImporterAnsibleModuleException:
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# module instantiated AnsibleModule without raising an exception
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pass
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# We truly want to catch anything the plugin might do here, including call sys.exit() so we
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# catch BaseException
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except BaseException as ex: # pylint: disable=locally-disabled, broad-except
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capture_report(path, capture, messages)
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exc_type, _exc, exc_tb = sys.exc_info()
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message = str(ex)
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results = list(reversed(traceback.extract_tb(exc_tb)))
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source = None
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line = 0
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offset = 0
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if isinstance(ex, SyntaxError) and ex.filename.endswith(path): # pylint: disable=locally-disabled, no-member
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# A SyntaxError in the source we're importing will have the correct path, line and offset.
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# However, the traceback will report the path to this importer.py script instead.
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# We'll use the details from the SyntaxError in this case, as it's more accurate.
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source = path
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line = ex.lineno or 0 # pylint: disable=locally-disabled, no-member
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offset = ex.offset or 0 # pylint: disable=locally-disabled, no-member
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message = str(ex)
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# Hack to remove the filename and line number from the message, if present.
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message = message.replace(' (%s, line %d)' % (os.path.basename(path), line), '')
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else:
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for result in results:
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if result[0].startswith(filter_dir):
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source = result[0][len(base_dir) + 1:].replace('test/sanity/import/', '')
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line = result[1] or 0
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break
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if not source:
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# If none of our source files are found in the traceback, report the file we were testing.
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# I haven't been able to come up with a test case that encounters this issue yet.
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source = path
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message += ' (in %s:%d)' % (results[-1][0], results[-1][1] or 0)
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message = re.sub(r'\n *', ': ', message)
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error = '%s:%d:%d: %s: %s' % (source, line, offset, exc_type.__name__, message)
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report_message(error, messages)
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class Capture:
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"""Captured output and/or exception."""
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def __init__(self):
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self.stdout = StringIO()
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self.stderr = StringIO()
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self.warnings = []
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def capture_report(path, capture, messages):
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"""Report on captured output.
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:type path: str
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:type capture: Capture
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:type messages: set[str]
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"""
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if capture.stdout.getvalue():
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first = capture.stdout.getvalue().strip().splitlines()[0].strip()
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message = '%s:%d:%d: %s: %s' % (path, 0, 0, 'StandardOutputUsed', first)
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report_message(message, messages)
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if capture.stderr.getvalue():
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first = capture.stderr.getvalue().strip().splitlines()[0].strip()
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message = '%s:%d:%d: %s: %s' % (path, 0, 0, 'StandardErrorUsed', first)
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report_message(message, messages)
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for warning in capture.warnings:
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msg = re.sub(r'\s+', ' ', '%s' % warning.message).strip()
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filepath = os.path.relpath(warning.filename)
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lineno = warning.lineno
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import_dir = 'test/runner/.tox/import/'
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minimal_dir = 'test/runner/.tox/minimal-'
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if filepath.startswith('../') or filepath.startswith(minimal_dir):
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# The warning occurred outside our source tree.
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# The best we can do is to report the file which was tested that triggered the warning.
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# If the responsible import is in shared code this warning will be repeated for each file tested which imports the shared code.
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msg += ' (in %s:%d)' % (warning.filename, warning.lineno)
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filepath = path
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lineno = 0
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elif filepath.startswith(import_dir):
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# Strip the import dir from warning paths in shared code.
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# Needed when warnings occur in places like module_utils but are caught by the modules importing the module_utils.
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filepath = os.path.relpath(filepath, import_dir)
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message = '%s:%d:%d: %s: %s' % (filepath, lineno, 0, warning.category.__name__, msg)
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report_message(message, messages)
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def report_message(message, messages):
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"""Report message if not already reported.
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:type message: str
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:type messages: set[str]
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"""
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if message not in messages:
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messages.add(message)
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print(message)
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@contextlib.contextmanager
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def capture_output(capture):
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"""Capture sys.stdout and sys.stderr.
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:type capture: Capture
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"""
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old_stdout = sys.stdout
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old_stderr = sys.stderr
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sys.stdout = capture.stdout
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sys.stderr = capture.stderr
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with warnings.catch_warnings(record=True) as captured_warnings:
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try:
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yield
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finally:
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capture.warnings = captured_warnings
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sys.stdout = old_stdout
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sys.stderr = old_stderr
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if __name__ == '__main__':
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main()
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