How to use find_from_imports method in prospector

Best Python code snippet using prospector_python

autodetect.py

Source:autodetect.py

...9# see http://docs.python.org/2/reference/lexical_analysis.html#identifiers10_FROM_IMPORT_REGEX = re.compile(r"^\s*from ([\._a-zA-Z0-9]+) import .*$")11_IMPORT_REGEX = re.compile(r"^\s*import ([\._a-zA-Z0-9]+)$")12_IMPORT_MULTIPLE_REGEX = re.compile(r"^\s*import ([\._a-zA-Z0-9]+(, ){1})+")13def find_from_imports(file_contents):14    names = set()15    for line in file_contents.split("\n"):16        match = _IMPORT_MULTIPLE_REGEX.match(line)17        if match:18            import_names = []19            first = match.group(1)20            import_names.append(first[:-2])21            for name in line.split(first)[1].split(","):22                import_names.append(name.strip())23        else:24            match = _IMPORT_REGEX.match(line) or _FROM_IMPORT_REGEX.match(line)25            if match is None:26                continue27            import_names = match.group(1).split(".")28        for import_name in import_names:29            if import_name in POSSIBLE_LIBRARIES:30                names.add(import_name)31    return names32def find_from_path(path):33    names = set()34    max_possible = len(POSSIBLE_LIBRARIES)35    for item in os.listdir(path):36        item_path = os.path.abspath(os.path.join(path, item))37        if os.path.isdir(item_path):38            if is_virtualenv(item_path):39                continue40            names |= find_from_path(item_path)41        elif not os.path.islink(item_path) and item_path.endswith(".py"):42            try:43                contents = encoding.read_py_file(item_path)44                names |= find_from_imports(contents)45            except encoding.CouldNotHandleEncoding as err:46                # TODO: this output will break output formats such as JSON47                warnings.warn("{0}: {1}".format(err.path, err.cause), ImportWarning)48        if len(names) == max_possible:49            # don't continue on recursing, there's no point!50            break51    return names52def find_from_requirements(path):53    reqs = find_requirements(path)54    names = []55    for requirement in reqs:56        if requirement.name is not None and requirement.name.lower() in POSSIBLE_LIBRARIES:57            names.append(requirement.name.lower())58    return names...

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