Python InstallRequirement.from_line方法代码示例

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
 def test_yield_line_requirement_with_spaces_in_specifier(self):
     line = 'SomeProject >= 2'
     filename = 'filename'
     comes_from = '-r %s (line %s)' % (filename, 1)
     req = InstallRequirement.from_line(line, comes_from=comes_from)
     assert repr(list(process_line(line, filename, 1))[0]) == repr(req)
     assert req.req.specs == [('>=', '2')]

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
 def test_extras_for_line_url_requirement(self):
     line = 'git+https://url#egg=SomeProject[ex1,ex2]'
     filename = 'filename'
     comes_from = '-r %s (line %s)' % (filename, 1)
     req = InstallRequirement.from_line(line, comes_from=comes_from)
     assert len(req.extras) == 2
     assert req.extras[0] == 'ex1'
     assert req.extras[1] == 'ex2'

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
 def test_yield_line_constraint(self):
     line = 'SomeProject'
     filename = 'filename'
     comes_from = '-c %s (line %s)' % (filename, 1)
     req = InstallRequirement.from_line(
         line, comes_from=comes_from, constraint=True)
     found_req = list(process_line(line, filename, 1, constraint=True))[0]
     assert repr(found_req) == repr(req)
     assert found_req.constraint is True

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
    def test_nested_constraints_file(self, monkeypatch):
        line = '-c another_file'
        req = InstallRequirement.from_line('SomeProject')
        import pip.req.req_file

        def stub_parse_requirements(req_url, finder, comes_from, options,
                                    session, wheel_cache, constraint):
            return [(req, constraint)]
        parse_requirements_stub = stub(call=stub_parse_requirements)
        monkeypatch.setattr(pip.req.req_file, 'parse_requirements',
                            parse_requirements_stub.call)
        assert list(process_line(line, 'filename', 1)) == [(req, True)]

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
    def test_forward_slash_results_in_a_link(self, tmpdir):
        install_dir = tmpdir / "foo" / "bar"

        # Just create a file for letting the logic work
        setup_py_path = install_dir / "setup.py"
        os.makedirs(str(install_dir))
        with open(setup_py_path, 'w') as f:
            f.write('')

        requirement = InstallRequirement.from_line(
            str(install_dir).replace(os.sep, os.altsep or os.sep)
        )

        assert requirement.link is not None

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
    def _install_build_reqs(self, reqs, prefix):
        # Local import to avoid circular import (wheel <-> req_install)
        from pip.req.req_install import InstallRequirement
        from pip.index import FormatControl
        # Ignore the --no-binary option when installing the build system, so
        # we don't recurse trying to build a self-hosting build system.
        finder = copy.copy(self.finder)
        finder.format_control = FormatControl(set(), set())
        urls = [finder.find_requirement(InstallRequirement.from_line(r),
                                        upgrade=False).url
                for r in reqs]

        args = [sys.executable, '-m', 'pip', 'install', '--ignore-installed',
                '--prefix', prefix] + list(urls)
        with open_spinner("Installing build dependencies") as spinner:
            call_subprocess(args, show_stdout=False, spinner=spinner)

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]

#.........这里部分代码省略.........
        skip_match = re.compile(skip_regex)
    reqs_file_dir = os.path.dirname(os.path.abspath(filename))
    filename, content = get_file_content(
        filename,
        comes_from=comes_from,
        session=session,
    )
    for line_number, line in enumerate(content.splitlines(), 1):
        line = line.strip()

        # Remove comments from file and all spaces before it
        line = re.sub(r"(^|\s)+#.*$", "", line)

        if not line:
            continue
        if skip_match and skip_match.search(line):
            continue
        if line.startswith(('-r', '--requirement')):
            req_url = _remove_prefixes(line, '-r', '--requirement')
            if _scheme_re.search(filename):
                # Relative to a URL
                req_url = urllib_parse.urljoin(filename, req_url)
            elif not _scheme_re.search(req_url):
                req_url = os.path.join(os.path.dirname(filename), req_url)
            for item in parse_requirements(
                    req_url, finder,
                    comes_from=filename,
                    options=options,
                    session=session):
                yield item
        elif line.startswith(('-Z', '--always-unzip')):
            # No longer used, but previously these were used in
            # requirement files, so we'll ignore.
            pass
        elif line.startswith(('-f', '--find-links')):
            find_links = _remove_prefixes(line, '-f', '--find-links')
            # FIXME: it would be nice to keep track of the source of
            # the find_links:
            # support a find-links local path relative to a requirements file
            relative_to_reqs_file = os.path.join(reqs_file_dir, find_links)
            if os.path.exists(relative_to_reqs_file):
                find_links = relative_to_reqs_file
            if finder:
                finder.find_links.append(find_links)
        elif line.startswith(('-i', '--index-url')):
            index_url = _remove_prefixes(line, '-i', '--index-url')
            if finder:
                finder.index_urls = [index_url]
        elif line.startswith('--extra-index-url'):
            line = _remove_prefix(line, '--extra-index-url')
            if finder:
                finder.index_urls.append(line)
        elif line.startswith('--use-wheel'):
            # Default in 1.5
            pass
        elif line.startswith('--no-use-wheel'):
            if finder:
                finder.use_wheel = False
        elif line.startswith('--no-index'):
            if finder:
                finder.index_urls = []
        elif line.startswith("--allow-external"):
            line = _remove_prefix(line, '--allow-external')
            if finder:
                finder.allow_external |= set([normalize_name(line).lower()])
        elif line.startswith("--allow-all-external"):
            if finder:
                finder.allow_all_external = True
        # Remove in 7.0
        elif line.startswith("--no-allow-external"):
            pass
        # Remove in 7.0
        elif line.startswith("--no-allow-insecure"):
            pass
        # Remove after 7.0
        elif line.startswith("--allow-insecure"):
            line = _remove_prefix(line, '--allow-insecure')
            if finder:
                finder.allow_unverified |= set([normalize_name(line).lower()])
        elif line.startswith("--allow-unverified"):
            line = _remove_prefix(line, '--allow-unverified')
            if finder:
                finder.allow_unverified |= set([normalize_name(line).lower()])
        else:
            comes_from = '-r %s (line %s)' % (filename, line_number)
            if line.startswith(('-e', '--editable')):
                editable = _remove_prefixes(line, '-e', '--editable')
                req = InstallRequirement.from_editable(
                    editable,
                    comes_from=comes_from,
                    default_vcs=options.default_vcs if options else None,
                    isolated=options.isolated_mode if options else False,
                )
            else:
                req = InstallRequirement.from_line(
                    line,
                    comes_from,
                    isolated=options.isolated_mode if options else False,
                )
            yield req

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
def process_line(line, filename, line_number, finder=None, comes_from=None,
                 options=None, session=None, wheel_cache=None,
                 constraint=False):
    """Process a single requirements line; This can result in creating/yielding
    requirements, or updating the finder.

    For lines that contain requirements, the only options that have an effect
    are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
    requirement. Other options from SUPPORTED_OPTIONS may be present, but are
    ignored.

    For lines that do not contain requirements, the only options that have an
    effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
    be present, but are ignored. These lines may contain multiple options
    (although our docs imply only one is supported), and all our parsed and
    affect the finder.

    :param constraint: If True, parsing a constraints file.
    :param options: OptionParser options that we may update
    """
    parser = build_parser()
    defaults = parser.get_default_values()
    defaults.index_url = None
    if finder:
        # `finder.format_control` will be updated during parsing
        defaults.format_control = finder.format_control
    args_str, options_str = break_args_options(line)
    if sys.version_info < (2, 7, 3):
        # Prior to 2.7.3, shlex cannot deal with unicode entries
        options_str = options_str.encode('utf8')
    opts, _ = parser.parse_args(shlex.split(options_str), defaults)

    # preserve for the nested code path
    line_comes_from = '%s %s (line %s)' % (
        '-c' if constraint else '-r', filename, line_number)

    # yield a line requirement
    if args_str:
        isolated = options.isolated_mode if options else False
        if options:
            cmdoptions.check_install_build_global(options, opts)
        # get the options that apply to requirements
        req_options = {}
        for dest in SUPPORTED_OPTIONS_REQ_DEST:
            if dest in opts.__dict__ and opts.__dict__[dest]:
                req_options[dest] = opts.__dict__[dest]
        yield InstallRequirement.from_line(
            args_str, line_comes_from, constraint=constraint,
            isolated=isolated, options=req_options, wheel_cache=wheel_cache
        )

    # yield an editable requirement
    elif opts.editables:
        isolated = options.isolated_mode if options else False
        default_vcs = options.default_vcs if options else None
        yield InstallRequirement.from_editable(
            opts.editables[0], comes_from=line_comes_from,
            constraint=constraint, default_vcs=default_vcs, isolated=isolated,
            wheel_cache=wheel_cache
        )

    # parse a nested requirements file
    elif opts.requirements or opts.constraints:
        if opts.requirements:
            req_path = opts.requirements[0]
            nested_constraint = False
        else:
            req_path = opts.constraints[0]
            nested_constraint = True
        # original file is over http
        if SCHEME_RE.search(filename):
            # do a url join so relative paths work
            req_path = urllib_parse.urljoin(filename, req_path)
        # original file and nested file are paths
        elif not SCHEME_RE.search(req_path):
            # do a join so relative paths work
            req_path = os.path.join(os.path.dirname(filename), req_path)
        # TODO: Why not use `comes_from='-r {} (line {})'` here as well?
        parser = parse_requirements(
            req_path, finder, comes_from, options, session,
            constraint=nested_constraint, wheel_cache=wheel_cache
        )
        for req in parser:
            yield req

    # percolate hash-checking option upward
    elif opts.require_hashes:
        options.require_hashes = opts.require_hashes

    # set finder options
    elif finder:
        if opts.allow_external:
            warnings.warn(
                "--allow-external has been deprecated and will be removed in "
                "the future. Due to changes in the repository protocol, it no "
                "longer has any effect.",
                RemovedInPip10Warning,
            )

        if opts.allow_all_external:
#.........这里部分代码省略.........

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
def process_line(line, filename, line_number, finder=None, comes_from=None,
                 options=None, session=None, wheel_cache=None,
                 constraint=False):
    """Process a single requirements line; This can result in creating/yielding
    requirements, or updating the finder.

    For lines that contain requirements, the only options that have an effect
    are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
    requirement. Other options from SUPPORTED_OPTIONS may be present, but are
    ignored.

    For lines that do not contain requirements, the only options that have an
    effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
    be present, but are ignored. These lines may contain multiple options
    (although our docs imply only one is supported), and all our parsed and
    affect the finder.

    :param constraint: If True, parsing a constraints file.
    """
    parser = build_parser()
    defaults = parser.get_default_values()
    defaults.index_url = None
    if finder:
        # `finder.format_control` will be updated during parsing
        defaults.format_control = finder.format_control
    args_str, options_str = break_args_options(line)
    opts, _ = parser.parse_args(shlex.split(options_str), defaults)

    # preserve for the nested code path
    line_comes_from = '%s %s (line %s)' % (
        '-c' if constraint else '-r', filename, line_number)

    # yield a line requirement
    if args_str:
        isolated = options.isolated_mode if options else False
        if options:
            cmdoptions.check_install_build_global(options, opts)
        # get the options that apply to requirements
        req_options = {}
        for dest in SUPPORTED_OPTIONS_REQ_DEST:
            if dest in opts.__dict__ and opts.__dict__[dest]:
                req_options[dest] = opts.__dict__[dest]
        yield InstallRequirement.from_line(
            args_str, line_comes_from, constraint=constraint,
            isolated=isolated, options=req_options, wheel_cache=wheel_cache
        )

    # yield an editable requirement
    elif opts.editables:
        isolated = options.isolated_mode if options else False
        default_vcs = options.default_vcs if options else None
        yield InstallRequirement.from_editable(
            opts.editables[0], comes_from=line_comes_from,
            constraint=constraint, default_vcs=default_vcs, isolated=isolated,
            wheel_cache=wheel_cache
        )

    # parse a nested requirements file
    elif opts.requirements or opts.constraints:
        if opts.requirements:
            req_path = opts.requirements[0]
            nested_constraint = False
        else:
            req_path = opts.constraints[0]
            nested_constraint = True
        # original file is over http
        if SCHEME_RE.search(filename):
            # do a url join so relative paths work
            req_path = urllib_parse.urljoin(filename, req_path)
        # original file and nested file are paths
        elif not SCHEME_RE.search(req_path):
            # do a join so relative paths work
            req_dir = os.path.dirname(filename)
            req_path = os.path.join(os.path.dirname(filename), req_path)
        # TODO: Why not use `comes_from='-r {} (line {})'` here as well?
        parser = parse_requirements(
            req_path, finder, comes_from, options, session,
            constraint=nested_constraint, wheel_cache=wheel_cache
        )
        for req in parser:
            yield req

    # set finder options
    elif finder:
        if opts.index_url:
            finder.index_urls = [opts.index_url]
        if opts.use_wheel is False:
            finder.use_wheel = False
            pip.index.fmt_ctl_no_use_wheel(finder.format_control)
        if opts.no_index is True:
            finder.index_urls = []
        if opts.allow_all_external:
            finder.allow_all_external = opts.allow_all_external
        if opts.extra_index_urls:
            finder.index_urls.extend(opts.extra_index_urls)
        if opts.allow_external:
            finder.allow_external |= set(
                [normalize_name(v).lower() for v in opts.allow_external])
        if opts.allow_unverified:
            # Remove after 7.0
#.........这里部分代码省略.........

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
 def test_yield_line_requirement(self):
     line = 'SomeProject'
     filename = 'filename'
     comes_from = '-r %s (line %s)' % (filename, 1)
     req = InstallRequirement.from_line(line, comes_from=comes_from)
     assert repr(list(process_line(line, filename, 1))[0]) == repr(req)

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]

#.........这里部分代码省略.........
        filename,
        comes_from=comes_from,
        session=session,
    )
    for line_number, line in enumerate(content.splitlines()):
        line_number += 1
        line = line.strip()

        # Remove comments from file
        line = re.sub(r"(^|\s)#.*$", "", line)

        if not line or line.startswith('#'):
            continue
        if skip_match and skip_match.search(line):
            continue
        if line.startswith('-r') or line.startswith('--requirement'):
            if line.startswith('-r'):
                req_url = line[2:].strip()
            else:
                req_url = line[len('--requirement'):].strip().strip('=')
            if _scheme_re.search(filename):
                # Relative to a URL
                req_url = urlparse.urljoin(filename, req_url)
            elif not _scheme_re.search(req_url):
                req_url = os.path.join(os.path.dirname(filename), req_url)
            for item in parse_requirements(
                    req_url, finder,
                    comes_from=filename,
                    options=options,
                    session=session):
                yield item
        elif line.startswith('-Z') or line.startswith('--always-unzip'):
            # No longer used, but previously these were used in
            # requirement files, so we'll ignore.
            pass
        elif line.startswith('-f') or line.startswith('--find-links'):
            if line.startswith('-f'):
                line = line[2:].strip()
            else:
                line = line[len('--find-links'):].strip().lstrip('=')
            ## FIXME: it would be nice to keep track of the source of
            ## the find_links:
            # support a find-links local path relative to a requirements file
            relative_to_reqs_file = os.path.join(reqs_file_dir, line)
            if os.path.exists(relative_to_reqs_file):
                line = relative_to_reqs_file
            if finder:
                finder.find_links.append(line)
        elif line.startswith('-i') or line.startswith('--index-url'):
            if line.startswith('-i'):
                line = line[2:].strip()
            else:
                line = line[len('--index-url'):].strip().lstrip('=')
            if finder:
                finder.index_urls = [line]
        elif line.startswith('--extra-index-url'):
            line = line[len('--extra-index-url'):].strip().lstrip('=')
            if finder:
                finder.index_urls.append(line)
        elif line.startswith('--use-wheel'):
            finder.use_wheel = True
        elif line.startswith('--no-index'):
            finder.index_urls = []
        elif line.startswith("--allow-external"):
            line = line[len("--allow-external"):].strip().lstrip("=")
            finder.allow_external |= set([normalize_name(line).lower()])
        elif line.startswith("--allow-all-external"):
            finder.allow_all_external = True
        # Remove in 1.7
        elif line.startswith("--no-allow-external"):
            pass
        # Remove in 1.7
        elif line.startswith("--no-allow-insecure"):
            pass
        # Remove after 1.7
        elif line.startswith("--allow-insecure"):
            line = line[len("--allow-insecure"):].strip().lstrip("=")
            finder.allow_unverified |= set([normalize_name(line).lower()])
        elif line.startswith("--allow-unverified"):
            line = line[len("--allow-unverified"):].strip().lstrip("=")
            finder.allow_unverified |= set([normalize_name(line).lower()])
        else:
            comes_from = '-r %s (line %s)' % (filename, line_number)
            if line.startswith('-e') or line.startswith('--editable'):
                if line.startswith('-e'):
                    line = line[2:].strip()
                else:
                    line = line[len('--editable'):].strip().lstrip('=')
                req = InstallRequirement.from_editable(
                    line,
                    comes_from=comes_from,
                    default_vcs=options.default_vcs if options else None
                )
            else:
                req = InstallRequirement.from_line(
                    line,
                    comes_from,
                    prereleases=getattr(options, "pre", None)
                )
            yield req

# 需要导入模块: from pip.req.req_install import InstallRequirement [as 别名]
# 或者: from pip.req.req_install.InstallRequirement import from_line [as 别名]
>>>>>>> bde4533e29dfedadf6bcf9d451baa615bc828a59
            if finder:
                finder.allow_unverified |= set([normalize_name(line).lower()])
        else:
            comes_from = '-r %s (line %s)' % (filename, line_number)
<<<<<<< HEAD
            if line.startswith(('-e', '--editable')):
                editable = _remove_prefixes(line, '-e', '--editable')
                req = InstallRequirement.from_editable(
                    editable,
=======
            if line.startswith('-e') or line.startswith('--editable'):
                if line.startswith('-e'):
                    line = line[2:].strip()
                else:
                    line = line[len('--editable'):].strip().lstrip('=')
                req = InstallRequirement.from_editable(
                    line,
>>>>>>> bde4533e29dfedadf6bcf9d451baa615bc828a59
                    comes_from=comes_from,
                    default_vcs=options.default_vcs if options else None,
                    isolated=options.isolated_mode if options else False,
                )
            else:
                req = InstallRequirement.from_line(
                    line,
                    comes_from,
                    isolated=options.isolated_mode if options else False,
                )
            yield req