latex-packages/build.py

from pathlib import *
import sys
import git
from datetime import *
sys.path.insert(0, 'PyTeX/')

from package_formatter import PackageFormatter
from replacements import make_default_commands
from git_version import git_describe

BUILD_DETAILS = [
    "Build details:",
    "  Build time: {build_time}",
    "  PyTeX version: {pytex_version} (commit {pytex_commit_hash})",
    "  LatexPackages version: {packages_version} (commit {packages_commit_hash})"
]


def get_latest_commit(repo):
    if repo.head.is_detached:
        return repo.head.commit
    else:
        return repo.head.ref.commit


def build_details():
    repo = git.Repo()
    repo_description = git_describe(get_latest_commit(repo))
    pytex_repo = repo.submodule('PyTeX').module()
    pytex_repo_description = git_describe(get_latest_commit(pytex_repo))
    return list(map(lambda line: line.format(
            build_time=datetime.now().strftime('%Y/%m/%d %H:%M'),
            pytex_version=pytex_repo_description,
            pytex_commit_hash=get_latest_commit(pytex_repo).hexsha[0:7],
            packages_version=repo_description,
            packages_commit_hash=get_latest_commit(repo).hexsha[0:7]
            ), BUILD_DETAILS))


def build(build_dir: str):
    input_root = Path('./packages').resolve()
    output = input_root / build_dir
    print('[PyTeX] Getting git repository information...')
    extra_header = build_details()
    print('[PyTeX] ..done.')
    if git.Repo().is_dirty():
        extra_header += ['WARNING: Local changes to git repository detected.',
                '         The build will not be reproducible (!)']
    num_files = 0
    for file in input_root.rglob('*.pysty'):
        num_files+=1
        formatter = PackageFormatter(package_name=file.with_suffix('').name, extra_header=extra_header)
        print('[PyTeX] Writing file {}'.format(formatter.file_name))
        make_default_commands(formatter)
        formatter.format_package(file, Path('./').resolve() / build_dir / str(file.parent.relative_to(input_root)))
    print(f'[PyTeX] Successfully built {num_files} packages in {build_dir}/')

if __name__ == "__main__":
    build('build')