setup.py

"""Setup for audio XBlock."""


import os
import re

from setuptools import setup


README = open(os.path.join(os.path.dirname(__file__), 'README.md')).read()


def package_data(pkg, roots):
    """
    Generic function to find package_data.

    All files under each of the `roots` will be declared as package data for package `pkg`.
    """
    data = []
    for root in roots:
        for dirname, _, files in os.walk(os.path.join(pkg, root)):
            for fname in files:
                data.append(os.path.relpath(os.path.join(dirname, fname), pkg))
    return {pkg: data}


def load_requirements(*requirements_paths):
    """
    Load all requirements from the specified requirements files.

    Requirements will include any constraints from files specified
    with -c in the requirements files.
    Returns a list of requirement strings.
    """
    # UPDATED VIA SEMGREP - if you need to remove/modify this method remove this line and add a comment specifying why.

    requirements = {}
    constraint_files = set()

    # groups "my-package-name<=x.y.z,..." into ("my-package-name", "<=x.y.z,...")
    requirement_line_regex = re.compile(r"([a-zA-Z0-9-_.]+)([<>=][^#\s]+)?")

    def add_version_constraint_or_raise(current_line, current_requirements, add_if_not_present):
        regex_match = requirement_line_regex.match(current_line)
        if regex_match:
            package = regex_match.group(1)
            version_constraints = regex_match.group(2)
            existing_version_constraints = current_requirements.get(package, None)
            # it's fine to add constraints to an unconstrained package, but raise an error if there are already
            # constraints in place
            if existing_version_constraints and existing_version_constraints != version_constraints:
                raise BaseException(f'Multiple constraint definitions found for {package}:'
                                    f' "{existing_version_constraints}" and "{version_constraints}".'
                                    f'Combine constraints into one location with {package}'
                                    f'{existing_version_constraints},{version_constraints}.')
            if add_if_not_present or package in current_requirements:
                current_requirements[package] = version_constraints

    # process .in files and store the path to any constraint files that are pulled in
    for path in requirements_paths:
        with open(path) as reqs:
            for line in reqs:
                if is_requirement(line):
                    add_version_constraint_or_raise(line, requirements, True)
                if line and line.startswith('-c') and not line.startswith('-c http'):
                    constraint_files.add(os.path.dirname(path) + '/' + line.split('#')[0].replace('-c', '').strip())

    # process constraint files and add any new constraints found to existing requirements
    for constraint_file in constraint_files:
        with open(constraint_file) as reader:
            for line in reader:
                if is_requirement(line):
                    add_version_constraint_or_raise(line, requirements, False)

    # process back into list of pkg><=constraints strings
    constrained_requirements = [f'{pkg}{version or ""}' for (pkg, version) in sorted(requirements.items())]
    return constrained_requirements


def is_requirement(line):
    """
    Return True if the requirement line is a package requirement.

    Returns:
        bool: True if the line is not blank, a comment,
        a URL, or an included file
    """
    # UPDATED VIA SEMGREP - if you need to remove/modify this method remove this line and add a comment specifying why

    return line and line.strip() and not line.startswith(('-r', '#', '-e', 'git+', '-c'))


setup(
    name='audio-xblock',
    version='0.3.1',
    description='Audio XBlock, to play audio files in the course',
    long_description=README,
    long_description_content_type='text/markdown',
    packages=[
        'audio',
    ],
    install_requires=load_requirements('requirements/base.in'),
    entry_points={
        'xblock.v1': [
            'audio = audio:AudioXBlock',
        ]
    },
    package_data=package_data("audio", ["static", "templates", "translations"]),
)