Python pathlib 模块，Path() 实例源码

我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用pathlib.Path()。

项目：pygrunt 作者：elementbound | 项目源码 | 文件源码

def find_lib_dir(filename=None):
        import sys

        if filename is None:
            Cython.python_library_file()

        candidates = [Path(sys.exec_prefix, 'libs/'), Path('/lib'), Path('/usr/lib')]

        for path in candidates:
            if Path(path, filename).exists():
                return str(path)

        return None

# TODO: Cython project
# TODO: Embed support for Cython project
# TODO: Somehow package a whole set of modules with a runner inside?

项目：fxnn 作者：khaotik | 项目源码 | 文件源码

def download(self, local_dir_=None, url_=None):
        '''
        Args:
            local_dir_: where to save downloaded file
            url_: where to download dataset, if None, use default 'http://yann.lecun.com/exdb/mnist/'
        '''
        # TODO check whether file exists
        if url_ is None:
            url_ = 'http://yann.lecun.com/exdb/mnist/'
        if local_dir_ is None:
            local_dir = self.DEFAULT_DIR
        else:
            local_dir = Path(local_dir_)
        local_dir.mkdir(parents=True, exist_ok=True)
        in_filename = '%(subset)s-%(type_s)s-idx%(ndim)s-ubyte.gz'
        for subset, (type_s, ndim) in product(
            ('train', 't10k'), zip(('images', 'labels'), (3,1))):
            filename = in_filename % locals()
            urllib.request.urlretrieve( url_ + filename, str(local_dir / filename))

项目：plugs-mail 作者：solocompt | 项目源码 | 文件源码

def get_template_language(self, file_):
        """
        Return the template language
        Every template file must end in
        with the language code, and the
        code must match the ISO_6301 lang code
        https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
        valid examples:

        account_created_pt.html
        payment_created_en.txt
        """
        stem = Path(file_).stem
        language_code = stem.split('_')[-1:][0]
        if len(language_code) != 2:
            # TODO naive and temp implementation
            # check if the two chars correspond to one of the
            # available languages
            raise Exception('Template file `%s` must end in ISO_639-1 language code.' % file_)
        return language_code.lower()

项目：python-libjuju 作者：juju | 项目源码 | 文件源码

def add_local_charm_dir(self, charm_dir, series):
        """Upload a local charm to the model.

        This will automatically generate an archive from
        the charm dir.

        :param charm_dir: Path to the charm directory
        :param series: Charm series

        """
        fh = tempfile.NamedTemporaryFile()
        CharmArchiveGenerator(charm_dir).make_archive(fh.name)
        with fh:
            func = partial(
                self.add_local_charm, fh, series, os.stat(fh.name).st_size)
            charm_url = await self._connector.loop.run_in_executor(None, func)

        log.debug('Uploaded local charm: %s -> %s', charm_dir, charm_url)
        return charm_url

项目：python-libjuju 作者：juju | 项目源码 | 文件源码

def sync_tools(
            self, all_=False, destination=None, dry_run=False, public=False,
            source=None, stream=None, version=None):
        """Copy Juju tools into this model.

        :param bool all_: Copy all versions, not just the latest
        :param str destination: Path to local destination directory
        :param bool dry_run: Don't do the actual copy
        :param bool public: Tools are for a public cloud, so generate mirrors
            information
        :param str source: Path to local source directory
        :param str stream: Simplestreams stream for which to sync metadata
        :param str version: Copy a specific major.minor version

        """
        raise NotImplementedError()

项目：kubernaut 作者：datawire | 项目源码 | 文件源码

def build_package(builder_image, package_type, version, out_dir, dependencies):
    """
    Build a deb or RPM package using a fpm-within-docker Docker image.

    :param package_type str: "rpm" or "deb".
    :param version str: The package version.
    :param out_dir Path: Directory where package will be output.
    :param dependencies list: package names the resulting package should depend
        on.
    """
    run([
        "docker", "run", "--rm", "-e", "PACKAGE_VERSION=" + version,
        "-e", "PACKAGE_TYPE=" + package_type,
        "-v", "{}:/build-inside:rw".format(THIS_DIRECTORY),
        "-v", "{}:/source:rw".format(THIS_DIRECTORY.parent),
        "-v", str(out_dir) + ":/out", "-w", "/build-inside", builder_image,
        "/build-inside/build-package.sh", *dependencies
    ],
        check=True)

项目：pbtk 作者：marin-m | 项目源码 | 文件源码

def prompt_extractor(self, item):
        extractor = extractors[item.data(Qt.UserRole)]
        inputs = []
        if not assert_installed(self.view, **extractor.get('depends', {})):
            return

        if not extractor.get('pick_url', False):
            files, mime = QFileDialog.getOpenFileNames()
            for path in files:
                inputs.append((path, Path(path).stem))
        else:
            text, good = QInputDialog.getText(self.view, ' ', 'Input an URL:')
            if text:
                url = urlparse(text)
                inputs.append((url.geturl(), url.netloc))

        if inputs:
            wait = QProgressDialog('Extracting .proto structures...', None, 0, 0)
            wait.setWindowTitle(' ')
            self.set_view(wait)

            self.worker = Worker(inputs, extractor)
            self.worker.progress.connect(self.extraction_progress)
            self.worker.finished.connect(self.extraction_done)
            self.worker.start()