python类DistutilsFileError()的实例源码

def check_package(self, package, package_dir):
        # Empty dir name means current directory, which we can probably
        # assume exists.  Also, os.path.exists and isdir don't know about
        # my "empty string means current dir" convention, so we have to
        # circumvent them.
        if package_dir != "":
            if not os.path.exists(package_dir):
                raise DistutilsFileError(
                      "package directory '%s' does not exist" % package_dir)
            if not os.path.isdir(package_dir):
                raise DistutilsFileError(
                       "supposed package directory '%s' exists, "
                       "but is not a directory" % package_dir)

        # Require __init__.py for all but the "root package"
        if package:
            init_py = os.path.join(package_dir, "__init__.py")
            if os.path.isfile(init_py):
                return init_py
            else:
                log.warn(("package init file '%s' not found " +
                          "(or not a regular file)"), init_py)

        # Either not in a package at all (__init__.py not expected), or
        # __init__.py doesn't exist -- so don't return the filename.
        return None

def test_empty_package_dir(self):
        # See SF 1668596/1720897.
        cwd = os.getcwd()

        # create the distribution files.
        sources = self.mkdtemp()
        open(os.path.join(sources, "__init__.py"), "w").close()

        testdir = os.path.join(sources, "doc")
        os.mkdir(testdir)
        open(os.path.join(testdir, "testfile"), "w").close()

        os.chdir(sources)
        old_stdout = sys.stdout
        sys.stdout = StringIO.StringIO()

        try:
            dist = Distribution({"packages": ["pkg"],
                                 "package_dir": {"pkg": ""},
                                 "package_data": {"pkg": ["doc/*"]}})
            # script_name need not exist, it just need to be initialized
            dist.script_name = os.path.join(sources, "setup.py")
            dist.script_args = ["build"]
            dist.parse_command_line()

            try:
                dist.run_commands()
            except DistutilsFileError:
                self.fail("failed package_data test when package_dir is ''")
        finally:
            # Restore state.
            os.chdir(cwd)
            sys.stdout = old_stdout

def test_dir_in_package_data(self):
        """
        A directory in package_data should not be added to the filelist.
        """
        # See bug 19286
        sources = self.mkdtemp()
        pkg_dir = os.path.join(sources, "pkg")

        os.mkdir(pkg_dir)
        open(os.path.join(pkg_dir, "__init__.py"), "w").close()

        docdir = os.path.join(pkg_dir, "doc")
        os.mkdir(docdir)
        open(os.path.join(docdir, "testfile"), "w").close()

        # create the directory that could be incorrectly detected as a file
        os.mkdir(os.path.join(docdir, 'otherdir'))

        os.chdir(sources)
        dist = Distribution({"packages": ["pkg"],
                             "package_data": {"pkg": ["doc/*"]}})
        # script_name need not exist, it just need to be initialized
        dist.script_name = os.path.join(sources, "setup.py")
        dist.script_args = ["build"]
        dist.parse_command_line()

        try:
            dist.run_commands()
        except DistutilsFileError:
            self.fail("failed package_data when data dir includes a dir")

def test_move_file_exception_unpacking_rename(self):
        # see issue 22182
        with patch("os.rename", side_effect=OSError("wrong", 1)), \
             self.assertRaises(DistutilsFileError):
            with open(self.source, 'w') as fobj:
                fobj.write('spam eggs')
            move_file(self.source, self.target, verbose=0)

def test_move_file_exception_unpacking_unlink(self):
        # see issue 22182
        with patch("os.rename", side_effect=OSError(errno.EXDEV, "wrong")), \
             patch("os.unlink", side_effect=OSError("wrong", 1)), \
             self.assertRaises(DistutilsFileError):
            with open(self.source, 'w') as fobj:
                fobj.write('spam eggs')
            move_file(self.source, self.target, verbose=0)

def test_copy_tree_exception_in_listdir(self):
        """
        An exception in listdir should raise a DistutilsFileError
        """
        with patch("os.listdir", side_effect=OSError()), \
             self.assertRaises(errors.DistutilsFileError):
            src = self.tempdirs[-1]
            dir_util.copy_tree(src, None)

def check_package(self, package, package_dir):
        # Empty dir name means current directory, which we can probably
        # assume exists.  Also, os.path.exists and isdir don't know about
        # my "empty string means current dir" convention, so we have to
        # circumvent them.
        if package_dir != "":
            if not os.path.exists(package_dir):
                raise DistutilsFileError(
                      "package directory '%s' does not exist" % package_dir)
            if not os.path.isdir(package_dir):
                raise DistutilsFileError(
                       "supposed package directory '%s' exists, "
                       "but is not a directory" % package_dir)

        # Require __init__.py for all but the "root package"
        if package:
            init_py = os.path.join(package_dir, "__init__.py")
            if os.path.isfile(init_py):
                return init_py
            else:
                log.warn(("package init file '%s' not found " +
                          "(or not a regular file)"), init_py)

        # Either not in a package at all (__init__.py not expected), or
        # __init__.py doesn't exist -- so don't return the filename.
        return None

def test_empty_package_dir(self):
        # See SF 1668596/1720897.
        cwd = os.getcwd()

        # create the distribution files.
        sources = self.mkdtemp()
        open(os.path.join(sources, "__init__.py"), "w").close()

        testdir = os.path.join(sources, "doc")
        os.mkdir(testdir)
        open(os.path.join(testdir, "testfile"), "w").close()

        os.chdir(sources)
        old_stdout = sys.stdout
        sys.stdout = StringIO.StringIO()

        try:
            dist = Distribution({"packages": ["pkg"],
                                 "package_dir": {"pkg": ""},
                                 "package_data": {"pkg": ["doc/*"]}})
            # script_name need not exist, it just need to be initialized
            dist.script_name = os.path.join(sources, "setup.py")
            dist.script_args = ["build"]
            dist.parse_command_line()

            try:
                dist.run_commands()
            except DistutilsFileError:
                self.fail("failed package_data test when package_dir is ''")
        finally:
            # Restore state.
            os.chdir(cwd)
            sys.stdout = old_stdout

def check_package(self, package, package_dir):
        # Empty dir name means current directory, which we can probably
        # assume exists.  Also, os.path.exists and isdir don't know about
        # my "empty string means current dir" convention, so we have to
        # circumvent them.
        if package_dir != "":
            if not os.path.exists(package_dir):
                raise DistutilsFileError(
                      "package directory '%s' does not exist" % package_dir)
            if not os.path.isdir(package_dir):
                raise DistutilsFileError(
                       "supposed package directory '%s' exists, "
                       "but is not a directory" % package_dir)

        # Require __init__.py for all but the "root package"
        if package:
            init_py = os.path.join(package_dir, "__init__.py")
            if os.path.isfile(init_py):
                return init_py
            else:
                log.warn(("package init file '%s' not found " +
                          "(or not a regular file)"), init_py)

        # Either not in a package at all (__init__.py not expected), or
        # __init__.py doesn't exist -- so don't return the filename.
        return None

def test_no_config(self, tmpdir):
        with pytest.raises(DistutilsFileError):
            read_configuration('%s' % tmpdir.join('setup.cfg'))

def test_dir_in_package_data(self):
        """
        A directory in package_data should not be added to the filelist.
        """
        # See bug 19286
        sources = self.mkdtemp()
        pkg_dir = os.path.join(sources, "pkg")

        os.mkdir(pkg_dir)
        open(os.path.join(pkg_dir, "__init__.py"), "w").close()

        docdir = os.path.join(pkg_dir, "doc")
        os.mkdir(docdir)
        open(os.path.join(docdir, "testfile"), "w").close()

        # create the directory that could be incorrectly detected as a file
        os.mkdir(os.path.join(docdir, 'otherdir'))

        os.chdir(sources)
        dist = Distribution({"packages": ["pkg"],
                             "package_data": {"pkg": ["doc/*"]}})
        # script_name need not exist, it just need to be initialized
        dist.script_name = os.path.join(sources, "setup.py")
        dist.script_args = ["build"]
        dist.parse_command_line()

        try:
            dist.run_commands()
        except DistutilsFileError:
            self.fail("failed package_data when data dir includes a dir")

def test_move_file_exception_unpacking_rename(self):
        # see issue 22182
        with patch("os.rename", side_effect=OSError("wrong", 1)), \
             self.assertRaises(DistutilsFileError):
            with open(self.source, 'w') as fobj:
                fobj.write('spam eggs')
            move_file(self.source, self.target, verbose=0)

def test_move_file_exception_unpacking_unlink(self):
        # see issue 22182
        with patch("os.rename", side_effect=OSError(errno.EXDEV, "wrong")), \
             patch("os.unlink", side_effect=OSError("wrong", 1)), \
             self.assertRaises(DistutilsFileError):
            with open(self.source, 'w') as fobj:
                fobj.write('spam eggs')
            move_file(self.source, self.target, verbose=0)

def test_copy_tree_exception_in_listdir(self):
        """
        An exception in listdir should raise a DistutilsFileError
        """
        with patch("os.listdir", side_effect=OSError()), \
             self.assertRaises(errors.DistutilsFileError):
            src = self.tempdirs[-1]
            dir_util.copy_tree(src, None)

def set_extra_files(extra_files):
    # Let's do a sanity check
    for filename in extra_files:
        if not os.path.exists(filename):
            raise errors.DistutilsFileError(
                '%s from the extra_files option in setup.cfg does not '
                'exist' % filename)
    global _extra_files
    _extra_files[:] = extra_files[:]

def read_configuration(
        filepath, find_others=False, ignore_option_errors=False):
    """Read given configuration file and returns options from it as a dict.

    :param str|unicode filepath: Path to configuration file
        to get options from.

    :param bool find_others: Whether to search for other configuration files
        which could be on in various places.

    :param bool ignore_option_errors: Whether to silently ignore
        options, values of which could not be resolved (e.g. due to exceptions
        in directives such as file:, attr:, etc.).
        If False exceptions are propagated as expected.

    :rtype: dict
    """
    from setuptools.dist import Distribution, _Distribution

    filepath = os.path.abspath(filepath)

    if not os.path.isfile(filepath):
        raise DistutilsFileError(
            'Configuration file %s does not exist.' % filepath)

    current_directory = os.getcwd()
    os.chdir(os.path.dirname(filepath))

    try:
        dist = Distribution()

        filenames = dist.find_config_files() if find_others else []
        if filepath not in filenames:
            filenames.append(filepath)

        _Distribution.parse_config_files(dist, filenames=filenames)

        handlers = parse_configuration(
            dist, dist.command_options,
            ignore_option_errors=ignore_option_errors)

    finally:
        os.chdir(current_directory)

    return configuration_to_dict(handlers)

def read_configuration(
        filepath, find_others=False, ignore_option_errors=False):
    """Read given configuration file and returns options from it as a dict.

    :param str|unicode filepath: Path to configuration file
        to get options from.

    :param bool find_others: Whether to search for other configuration files
        which could be on in various places.

    :param bool ignore_option_errors: Whether to silently ignore
        options, values of which could not be resolved (e.g. due to exceptions
        in directives such as file:, attr:, etc.).
        If False exceptions are propagated as expected.

    :rtype: dict
    """
    from setuptools.dist import Distribution, _Distribution

    filepath = os.path.abspath(filepath)

    if not os.path.isfile(filepath):
        raise DistutilsFileError(
            'Configuration file %s does not exist.' % filepath)

    current_directory = os.getcwd()
    os.chdir(os.path.dirname(filepath))

    try:
        dist = Distribution()

        filenames = dist.find_config_files() if find_others else []
        if filepath not in filenames:
            filenames.append(filepath)

        _Distribution.parse_config_files(dist, filenames=filenames)

        handlers = parse_configuration(
            dist, dist.command_options,
            ignore_option_errors=ignore_option_errors)

    finally:
        os.chdir(current_directory)

    return configuration_to_dict(handlers)

def _copy_file_contents(src, dst, buffer_size=16*1024):
    """Copy the file 'src' to 'dst'.

    Both must be filenames. Any error opening either file, reading from
    'src', or writing to 'dst', raises DistutilsFileError.  Data is
    read/written in chunks of 'buffer_size' bytes (default 16k).  No attempt
    is made to handle anything apart from regular files.
    """
    # Stolen from shutil module in the standard library, but with
    # custom error-handling added.
    fsrc = None
    fdst = None
    try:
        try:
            fsrc = open(src, 'rb')
        except os.error, (errno, errstr):
            raise DistutilsFileError("could not open '%s': %s" % (src, errstr))

        if os.path.exists(dst):
            try:
                os.unlink(dst)
            except os.error, (errno, errstr):
                raise DistutilsFileError(
                      "could not delete '%s': %s" % (dst, errstr))

        try:
            fdst = open(dst, 'wb')
        except os.error, (errno, errstr):
            raise DistutilsFileError(
                  "could not create '%s': %s" % (dst, errstr))

        while 1:
            try:
                buf = fsrc.read(buffer_size)
            except os.error, (errno, errstr):
                raise DistutilsFileError(
                      "could not read from '%s': %s" % (src, errstr))

            if not buf:
                break

            try:
                fdst.write(buf)
            except os.error, (errno, errstr):
                raise DistutilsFileError(
                      "could not write to '%s': %s" % (dst, errstr))

    finally:
        if fdst:
            fdst.close()
        if fsrc:
            fsrc.close()

def move_file (src, dst, verbose=1, dry_run=0):
    """Move a file 'src' to 'dst'.

    If 'dst' is a directory, the file will be moved into it with the same
    name; otherwise, 'src' is just renamed to 'dst'.  Return the new
    full name of the file.

    Handles cross-device moves on Unix using 'copy_file()'.  What about
    other systems???
    """
    from os.path import exists, isfile, isdir, basename, dirname
    import errno

    if verbose >= 1:
        log.info("moving %s -> %s", src, dst)

    if dry_run:
        return dst

    if not isfile(src):
        raise DistutilsFileError("can't move '%s': not a regular file" % src)

    if isdir(dst):
        dst = os.path.join(dst, basename(src))
    elif exists(dst):
        raise DistutilsFileError(
              "can't move '%s': destination '%s' already exists" %
              (src, dst))

    if not isdir(dirname(dst)):
        raise DistutilsFileError(
              "can't move '%s': destination '%s' not a valid path" % \
              (src, dst))

    copy_it = 0
    try:
        os.rename(src, dst)
    except os.error, (num, msg):
        if num == errno.EXDEV:
            copy_it = 1
        else:
            raise DistutilsFileError(
                  "couldn't move '%s' to '%s': %s" % (src, dst, msg))

    if copy_it:
        copy_file(src, dst, verbose=verbose)
        try:
            os.unlink(src)
        except os.error, (num, msg):
            try:
                os.unlink(dst)
            except os.error:
                pass
            raise DistutilsFileError(
                  ("couldn't move '%s' to '%s' by copy/delete: " +
                   "delete '%s' failed: %s") %
                  (src, dst, src, msg))
    return dst

def read_configuration(
        filepath, find_others=False, ignore_option_errors=False):
    """Read given configuration file and returns options from it as a dict.

    :param str|unicode filepath: Path to configuration file
        to get options from.

    :param bool find_others: Whether to search for other configuration files
        which could be on in various places.

    :param bool ignore_option_errors: Whether to silently ignore
        options, values of which could not be resolved (e.g. due to exceptions
        in directives such as file:, attr:, etc.).
        If False exceptions are propagated as expected.

    :rtype: dict
    """
    from setuptools.dist import Distribution, _Distribution

    filepath = os.path.abspath(filepath)

    if not os.path.isfile(filepath):
        raise DistutilsFileError(
            'Configuration file %s does not exist.' % filepath)

    current_directory = os.getcwd()
    os.chdir(os.path.dirname(filepath))

    try:
        dist = Distribution()

        filenames = dist.find_config_files() if find_others else []
        if filepath not in filenames:
            filenames.append(filepath)

        _Distribution.parse_config_files(dist, filenames=filenames)

        handlers = parse_configuration(
            dist, dist.command_options,
            ignore_option_errors=ignore_option_errors)

    finally:
        os.chdir(current_directory)

    return configuration_to_dict(handlers)