File: __init__.py

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# Copyright (C) 2010, Stefano Rivera <stefanor@ubuntu.com>
# Copyright (C) 2017, Benjamin Drung <benjamin.drung@profitbricks.com>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.

"""Test suite for ubuntutools"""

import inspect
import os
import sys

import setup

if sys.version_info < (2, 7):
    import unittest2 as unittest
else:
    import unittest


def discover():
    # import __main__ triggers code re-execution
    __main__ = sys.modules['__main__']
    setupDir = os.path.abspath(os.path.dirname(__main__.__file__))
    return unittest.defaultTestLoader.discover(setupDir)


def get_source_files():
    """Return a list of sources files/directories (to check with flake8/pylint)"""
    modules = ["ubuntutools"]
    py_files = ["setup.py"]

    files = []
    for code_file in setup.scripts + modules + py_files:
        is_script = code_file in setup.scripts
        if not os.path.exists(code_file):  # pragma: no cover
            # The alternative path is needed for Debian's pybuild
            alternative = os.path.join(os.environ.get("OLDPWD", ""), code_file)
            code_file = alternative if os.path.exists(alternative) else code_file
        if is_script:
            with open(code_file, "rb") as script_file:
                shebang = script_file.readline().decode("utf-8")
            if ((sys.version_info[0] == 3 and "python3" in shebang)
                    or ("python" in shebang and "python3" not in shebang)):
                files.append(code_file)
        else:
            files.append(code_file)
    return files


def unittest_verbosity():
    """Return the verbosity setting of the currently running unittest
    program, or None if none is running.
    """
    frame = inspect.currentframe()
    while frame:
        self = frame.f_locals.get("self")
        if isinstance(self, unittest.TestProgram):
            return self.verbosity
        frame = frame.f_back
    return None  # pragma: no cover