python类dedent()的实例源码

def _warn_legacy_version(self):
        LV = packaging.version.LegacyVersion
        is_legacy = isinstance(self._parsed_version, LV)
        if not is_legacy:
            return

        # While an empty version is technically a legacy version and
        # is not a valid PEP 440 version, it's also unlikely to
        # actually come from someone and instead it is more likely that
        # it comes from setuptools attempting to parse a filename and
        # including it in the list. So for that we'll gate this warning
        # on if the version is anything at all or not.
        if not self.version:
            return

        tmpl = textwrap.dedent("""
            '{project_name} ({version})' is being parsed as a legacy,
            non PEP 440,
            version. You may find odd behavior and sort order.
            In particular it will be sorted as less than 0.0. It
            is recommended to migrate to PEP 440 compatible
            versions.
            """).strip().replace('\n', ' ')

        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)

def _warn_legacy_version(self):
        LV = packaging.version.LegacyVersion
        is_legacy = isinstance(self._parsed_version, LV)
        if not is_legacy:
            return

        # While an empty version is technically a legacy version and
        # is not a valid PEP 440 version, it's also unlikely to
        # actually come from someone and instead it is more likely that
        # it comes from setuptools attempting to parse a filename and
        # including it in the list. So for that we'll gate this warning
        # on if the version is anything at all or not.
        if not self.version:
            return

        tmpl = textwrap.dedent("""
            '{project_name} ({version})' is being parsed as a legacy,
            non PEP 440,
            version. You may find odd behavior and sort order.
            In particular it will be sorted as less than 0.0. It
            is recommended to migrate to PEP 440 compatible
            versions.
            """).strip().replace('\n', ' ')

        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)

def _patch_usage():
    import distutils.core
    USAGE = textwrap.dedent("""
        usage: %(script)s [options] requirement_or_url ...
           or: %(script)s --help
        """).lstrip()

    def gen_usage(script_name):
        return USAGE % dict(
            script=os.path.basename(script_name),
        )

    saved = distutils.core.gen_usage
    distutils.core.gen_usage = gen_usage
    try:
        yield
    finally:
        distutils.core.gen_usage = saved

def _warn_legacy_version(self):
        LV = packaging.version.LegacyVersion
        is_legacy = isinstance(self._parsed_version, LV)
        if not is_legacy:
            return

        # While an empty version is technically a legacy version and
        # is not a valid PEP 440 version, it's also unlikely to
        # actually come from someone and instead it is more likely that
        # it comes from setuptools attempting to parse a filename and
        # including it in the list. So for that we'll gate this warning
        # on if the version is anything at all or not.
        if not self.version:
            return

        tmpl = textwrap.dedent("""
            '{project_name} ({version})' is being parsed as a legacy,
            non PEP 440,
            version. You may find odd behavior and sort order.
            In particular it will be sorted as less than 0.0. It
            is recommended to migrate to PEP 440 compatible
            versions.
            """).strip().replace('\n', ' ')

        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)

def _warn_legacy_version(self):
        LV = packaging.version.LegacyVersion
        is_legacy = isinstance(self._parsed_version, LV)
        if not is_legacy:
            return

        # While an empty version is technically a legacy version and
        # is not a valid PEP 440 version, it's also unlikely to
        # actually come from someone and instead it is more likely that
        # it comes from setuptools attempting to parse a filename and
        # including it in the list. So for that we'll gate this warning
        # on if the version is anything at all or not.
        if not self.version:
            return

        tmpl = textwrap.dedent("""
            '{project_name} ({version})' is being parsed as a legacy,
            non PEP 440,
            version. You may find odd behavior and sort order.
            In particular it will be sorted as less than 0.0. It
            is recommended to migrate to PEP 440 compatible
            versions.
            """).strip().replace('\n', ' ')

        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)

def _patch_usage():
    import distutils.core
    USAGE = textwrap.dedent("""
        usage: %(script)s [options] requirement_or_url ...
           or: %(script)s --help
        """).lstrip()

    def gen_usage(script_name):
        return USAGE % dict(
            script=os.path.basename(script_name),
        )

    saved = distutils.core.gen_usage
    distutils.core.gen_usage = gen_usage
    try:
        yield
    finally:
        distutils.core.gen_usage = saved

def parse_xml(cls, node, runtime, keys, id_generator):
        """
        Parses the source XML in a way that preserves indenting, needed for markdown.

        """
        block = runtime.construct_xblock_from_class(cls, keys)

        # Load the data
        for name, value in node.items():
            if name in block.fields:
                value = (block.fields[name]).from_string(value)
                setattr(block, name, value)

        # Load content
        text = node.text
        if text:
            # Fix up whitespace.
            if text[0] == "\n":
                text = text[1:]
            text.rstrip()
            text = textwrap.dedent(text)
            if text:
                block.content = text

        return block

def inspect(self):
        """
        Return a string representation of the data stored in this array.
        """
        return dedent(
            """\
            Adjusted Array ({dtype}):

            Data:
            {data!r}

            Adjustments:
            {adjustments}
            """
        ).format(
            dtype=self.dtype.name,
            data=self.data,
            adjustments=self.adjustments,
        )

def test_render(self):
        csv = textwrap.dedent(self.TILEMAP_CSV).strip()
        tilemap = (sappho.tiles.TileMap.
                   from_csv_string_and_tilesheet(csv, self.tilesheet))

        # Create a surface that has 1x2 strips of red, green, and
        # blue to against the rendered tilemap. This surface has
        # to have the SRCALPHA flag and a depth of 32 to match
        # the surface returned by the render function.
        test_surface = pygame.surface.Surface((3, 2), pygame.SRCALPHA, 32)
        test_surface.fill((255, 0, 0), pygame.Rect(0, 0, 1, 2))
        test_surface.fill((0, 255, 0), pygame.Rect(1, 0, 1, 2))
        test_surface.fill((0, 0, 255), pygame.Rect(2, 0, 1, 2))

        # Render the tilemap
        output_surface = tilemap.to_surface()

        # Compare the two surfaces
        assert(compare_surfaces(test_surface, output_surface))

def _conflict_bail(VC_err, version):
    """
    Setuptools was imported prior to invocation, so it is
    unsafe to unload it. Bail out.
    """
    conflict_tmpl = textwrap.dedent("""
        The required version of setuptools (>={version}) is not available,
        and can't be installed while this script is running. Please
        install a more recent version first, using
        'easy_install -U setuptools'.

        (Currently using {VC_err.args[0]!r})
        """)
    msg = conflict_tmpl.format(**locals())
    sys.stderr.write(msg)
    sys.exit(2)

def test_info(self, process, process_repr):
        for cls_or_obj in [ExampleProcess, process]:
            buf = StringIO()
            cls_or_obj.info(buf=buf)
            actual = buf.getvalue()
            assert actual == process_repr

        class EmptyProcess(Process):
            pass

        expected = dedent("""\
        Variables:
            *empty*
        Meta:
            time_dependent: True""")

        buf = StringIO()
        EmptyProcess.info(buf=buf)
        actual = buf.getvalue()
        assert actual == expected

def test_unicode_is_allowed(self):
        spec = {
            'paths': {
                '/resource_a': {
                    'get': {
                        'description': '\u041f',
                        'responses': {
                            '200': {'description': 'ok'}
                        }
                    }
                }
            }
        }

        text = '\n'.join(openapi.openapi2httpdomain(spec))

        assert text == textwrap.dedent('''
            .. http:get:: /resource_a
               :synopsis: null

               \u041f

               :status 200:
                  ok
        ''').lstrip()

def upload(self, step, buildIdFile, tgzFile):
        # only upload if requested
        if not self.canUploadJenkins():
            return ""

        # upload with curl if file does not exist yet on server
        return "\n" + textwrap.dedent("""\
            # upload artifact
            cd $WORKSPACE
            BOB_UPLOAD_BID="$(hexdump -ve '/1 "%02x"' {BUILDID}){GEN}"
            BOB_UPLOAD_URL="{URL}/${{BOB_UPLOAD_BID:0:2}}/${{BOB_UPLOAD_BID:2:2}}/${{BOB_UPLOAD_BID:4}}{SUFFIX}"
            if ! curl --output /dev/null --silent --head --fail "$BOB_UPLOAD_URL" ; then
                BOB_UPLOAD_RSP=$(curl -sSgf -w '%{{http_code}}' -H 'If-None-Match: *' -T {RESULT} "$BOB_UPLOAD_URL" || true)
                if [[ $BOB_UPLOAD_RSP != 2?? && $BOB_UPLOAD_RSP != 412 ]]; then
                    echo "Upload failed with code $BOB_UPLOAD_RSP"{FAIL}
                fi
            fi""".format(URL=self.__url.geturl(), BUILDID=quote(buildIdFile), RESULT=quote(tgzFile),
                         FAIL="" if self._ignoreErrors() else "; exit 1",
                         GEN=ARCHIVE_GENERATION, SUFFIX=ARTIFACT_SUFFIX))

def uploadJenkinsLiveBuildId(self, step, liveBuildId, buildId):
        # only upload if requested
        if not self.canUploadJenkins():
            return ""

        # upload with curl if file does not exist yet on server
        return "\n" + textwrap.dedent("""\
            # upload live build-id
            cd $WORKSPACE
            BOB_UPLOAD_BID="$(hexdump -ve '/1 "%02x"' {LIVEBUILDID}){GEN}"
            BOB_UPLOAD_URL="{URL}/${{BOB_UPLOAD_BID:0:2}}/${{BOB_UPLOAD_BID:2:2}}/${{BOB_UPLOAD_BID:4}}{SUFFIX}"
            BOB_UPLOAD_RSP=$(curl -sSgf -w '%{{http_code}}' -H 'If-None-Match: *' -T {BUILDID} "$BOB_UPLOAD_URL" || true)
            if [[ $BOB_UPLOAD_RSP != 2?? && $BOB_UPLOAD_RSP != 412 ]]; then
                echo "Upload failed with code $BOB_UPLOAD_RSP"{FAIL}
            fi
            """.format(URL=self.__url.geturl(), LIVEBUILDID=quote(liveBuildId),
                       BUILDID=quote(buildId),
                       FAIL="" if self._ignoreErrors() else "; exit 1",
                       GEN=ARCHIVE_GENERATION, SUFFIX=BUILDID_SUFFIX))

def _extract_scripts_from_project(setup_filename='setup.py'):
    """Parse setup.py and return scripts"""
    if not os.path.isfile(setup_filename):
        return ''
    mock_setup = textwrap.dedent('''\
    def setup(*args, **kwargs):
        __setup_calls__.append((args, kwargs))
    ''')
    parsed_mock_setup = ast.parse(mock_setup, filename=setup_filename)
    with open(setup_filename, 'rt') as setup_file:
        parsed = ast.parse(setup_file.read())
        for index, node in enumerate(parsed.body[:]):
            if (not isinstance(node, ast.Expr) or
                    not isinstance(node.value, ast.Call) or
                    node.value.func.id != 'setup'):
                continue
            parsed.body[index:index] = parsed_mock_setup.body
            break
    fixed = ast.fix_missing_locations(parsed)
    codeobj = compile(fixed, setup_filename, 'exec')
    local_vars = {}
    global_vars = {'__setup_calls__': []}
    exec(codeobj, global_vars, local_vars)
    _, kwargs = global_vars['__setup_calls__'][0]
    return ','.join([os.path.basename(f) for f in kwargs.get('scripts', [])])

def test_colors(tmpdir):
    """Test colors.

    :param tmpdir: pytest fixture.
    """
    script = dedent("""\
    import logging
    from sphinxcontrib.versioning.setup_logging import setup_logging

    setup_logging(verbose=False, colors=True)
    logger = logging.getLogger("{logger}")
    logger.critical("Critical")
    logger.error("Error")
    logger.warning("Warning")
    logger.info("Info")
    logger.debug("Debug")  # Not printed since verbose = False.
    """).format(logger=ColorFormatter.SPECIAL_SCOPE + '.sample')
    tmpdir.join('script.py').write(script)

    output = pytest.run(tmpdir, [sys.executable, 'script.py'])
    assert '\033[31m=> Critical\033[39m\n' in output
    assert '\033[31m=> Error\033[39m\n' in output
    assert '\033[33m=> Warning\033[39m\n' in output
    assert '\033[36m=> Info\033[39m' in output
    assert 'Debug' not in output

def format_description(self, description):
        # leave full control over description to us
        if description:
            if hasattr(self.parser, 'main'):
                label = 'Commands'
            else:
                label = 'Description'
            #some doc strings have inital newlines, some don't
            description = description.lstrip('\n')
            #some doc strings have final newlines and spaces, some don't
            description = description.rstrip()
            #dedent, then reindent
            description = self.indent_lines(textwrap.dedent(description), "  ")
            description = '%s:\n%s\n' % (label, description)
            return description
        else:
            return ''

def write_script(
        scriptdir, rev_id, content, encoding='ascii', sourceless=False):
    old = scriptdir.revision_map.get_revision(rev_id)
    path = old.path

    content = textwrap.dedent(content)
    if encoding:
        content = content.encode(encoding)
    with open(path, 'wb') as fp:
        fp.write(content)
    pyc_path = util.pyc_file_from_path(path)
    if os.access(pyc_path, os.F_OK):
        os.unlink(pyc_path)
    script = Script._from_path(scriptdir, path)
    old = scriptdir.revision_map.get_revision(script.revision)
    if old.down_revision != script.down_revision:
        raise Exception("Can't change down_revision "
                        "on a refresh operation.")
    scriptdir.revision_map.add_revision(script, _replace=True)

    if sourceless:
        make_sourceless(path)

def create_sdist():
        """
        Return an sdist with a setup_requires dependency (of something that
        doesn't exist)
        """
        with tempdir_context() as dir:
            dist_path = os.path.join(dir, 'setuptools-test-fetcher-1.0.tar.gz')
            make_trivial_sdist(
                dist_path,
                textwrap.dedent("""
                    import setuptools
                    setuptools.setup(
                        name="setuptools-test-fetcher",
                        version="1.0",
                        setup_requires = ['does-not-exist'],
                    )
                """).lstrip())
            yield dist_path

def _warn_legacy_version(self):
        LV = packaging.version.LegacyVersion
        is_legacy = isinstance(self._parsed_version, LV)
        if not is_legacy:
            return

        # While an empty version is technically a legacy version and
        # is not a valid PEP 440 version, it's also unlikely to
        # actually come from someone and instead it is more likely that
        # it comes from setuptools attempting to parse a filename and
        # including it in the list. So for that we'll gate this warning
        # on if the version is anything at all or not.
        if not self.version:
            return

        tmpl = textwrap.dedent("""
            '{project_name} ({version})' is being parsed as a legacy,
            non PEP 440,
            version. You may find odd behavior and sort order.
            In particular it will be sorted as less than 0.0. It
            is recommended to migrate to PEP 440 compatible
            versions.
            """).strip().replace('\n', ' ')

        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)

def test_exit_cleanly(self):
            # Make sure handler fun is called on clean interpreter exit.
            ret = pyrun(textwrap.dedent(
                """
                import os, imp
                mod = imp.load_source("mod", r"{}")

                def foo():
                    with open(r"{}", "ab") as f:
                        f.write(b"1")

                mod.register_exit_fun(foo)
                """.format(os.path.abspath(__file__), TESTFN)
            ))
            self.assertEqual(ret, 0)
            with open(TESTFN, "rb") as f:
                self.assertEqual(f.read(), b"1")

def test_exception(self):
            # Make sure handler fun is called on exception.
            ret = pyrun(textwrap.dedent(
                """
                import os, imp, sys
                mod = imp.load_source("mod", r"{}")

                def foo():
                    with open(r"{}", "ab") as f:
                        f.write(b"1")

                mod.register_exit_fun(foo)
                sys.stderr = os.devnull
                1 / 0
                """.format(os.path.abspath(__file__), TESTFN)
            ))
            self.assertEqual(ret, 1)
            with open(TESTFN, "rb") as f:
                self.assertEqual(f.read(), b"1")

def test_kinterrupt(self):
            # Simulates CTRL + C and make sure the exit function is called.
            ret = pyrun(textwrap.dedent(
                """
                import os, imp, sys
                mod = imp.load_source("mod", r"{}")

                def foo():
                    with open(r"{}", "ab") as f:
                        f.write(b"1")

                mod.register_exit_fun(foo)
                sys.stderr = os.devnull
                raise KeyboardInterrupt
                """.format(os.path.abspath(__file__), TESTFN)
            ))
            self.assertEqual(ret, 1)
            with open(TESTFN, "rb") as f:
                self.assertEqual(f.read(), b"1")

def test_called_once(self):
            # Make sure the registered fun is called once.
            ret = pyrun(textwrap.dedent(
                """
                import os, imp
                mod = imp.load_source("mod", r"{}")

                def foo():
                    with open(r"{}", "ab") as f:
                        f.write(b"1")

                mod.register_exit_fun(foo)
                """.format(os.path.abspath(__file__), TESTFN)
            ))
            self.assertEqual(ret, 0)
            with open(TESTFN, "rb") as f:
                self.assertEqual(f.read(), b"1")

def test_cascade(self):
            # Register 2 functions and make sure the last registered
            # function is executed first.
            ret = pyrun(textwrap.dedent(
                """
                import functools, os, imp
                mod = imp.load_source("mod", r"{}")

                def foo(s):
                    with open(r"{}", "ab") as f:
                        f.write(s)

                mod.register_exit_fun(functools.partial(foo, b'1'))
                mod.register_exit_fun(functools.partial(foo, b'2'))
                """.format(os.path.abspath(__file__), TESTFN)
            ))
            self.assertEqual(ret, 0)
            with open(TESTFN, "rb") as f:
                self.assertEqual(f.read(), b"21")

def test_all_exit_sigs_with_sig(self):
            # Same as above but the process is terminated by a signal
            # instead of exiting cleanly.
            for sig in TEST_SIGNALS:
                ret = pyrun(textwrap.dedent(
                    """
                    import functools, os, signal, imp
                    mod = imp.load_source("mod", r"{modname}")

                    def foo(s):
                        with open(r"{testfn}", "ab") as f:
                            f.write(s)

                    signal.signal({sig}, functools.partial(foo, b'0'))
                    mod.register_exit_fun(functools.partial(foo, b'1'))
                    mod.register_exit_fun(functools.partial(foo, b'2'))
                    os.kill(os.getpid(), {sig})
                    """.format(modname=os.path.abspath(__file__),
                               testfn=TESTFN, sig=sig)
                ))
                self.assertEqual(ret, sig)
                with open(TESTFN, "rb") as f:
                    self.assertEqual(f.read(), b"210")
                safe_remove(TESTFN)

def test_as_deco(self):
            ret = pyrun(textwrap.dedent(
                """
                import imp
                mod = imp.load_source("mod", r"{}")

                @mod.register_exit_fun
                def foo():
                    with open(r"{}", "ab") as f:
                        f.write(b"1")

                """.format(os.path.abspath(__file__), TESTFN)
            ))
            self.assertEqual(ret, 0)
            with open(TESTFN, "rb") as f:
                self.assertEqual(f.read(), b"1")

def create_example1(tmpdir):
    tmpdir.join("setup.py").write(d("""
        from setuptools import setup

        def main():
            setup(
                name='example1',
                description='example1 project for testing detox',
                version='0.4',
                packages=['example1',],
            )
        if __name__ == '__main__':
            main()
    """))
    tmpdir.join("tox.ini").write(d("""
        [testenv:py]
    """))
    tmpdir.join("example1", "__init__.py").ensure()

def _warn_legacy_version(self):
        LV = packaging.version.LegacyVersion
        is_legacy = isinstance(self._parsed_version, LV)
        if not is_legacy:
            return

        # While an empty version is technically a legacy version and
        # is not a valid PEP 440 version, it's also unlikely to
        # actually come from someone and instead it is more likely that
        # it comes from setuptools attempting to parse a filename and
        # including it in the list. So for that we'll gate this warning
        # on if the version is anything at all or not.
        if not self.version:
            return

        tmpl = textwrap.dedent("""
            '{project_name} ({version})' is being parsed as a legacy,
            non PEP 440,
            version. You may find odd behavior and sort order.
            In particular it will be sorted as less than 0.0. It
            is recommended to migrate to PEP 440 compatible
            versions.
            """).strip().replace('\n', ' ')

        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)

def _warn_legacy_version(self):
        LV = packaging.version.LegacyVersion
        is_legacy = isinstance(self._parsed_version, LV)
        if not is_legacy:
            return

        # While an empty version is technically a legacy version and
        # is not a valid PEP 440 version, it's also unlikely to
        # actually come from someone and instead it is more likely that
        # it comes from setuptools attempting to parse a filename and
        # including it in the list. So for that we'll gate this warning
        # on if the version is anything at all or not.
        if not self.version:
            return

        tmpl = textwrap.dedent("""
            '{project_name} ({version})' is being parsed as a legacy,
            non PEP 440,
            version. You may find odd behavior and sort order.
            In particular it will be sorted as less than 0.0. It
            is recommended to migrate to PEP 440 compatible
            versions.
            """).strip().replace('\n', ' ')

        warnings.warn(tmpl.format(**vars(self)), PEP440Warning)