JezK
Edit File: pack.py
from __future__ import annotations import os.path import re from wheel.cli import WheelError from wheel.wheelfile import WheelFile DIST_INFO_RE = re.compile(r"^(?P<namever>(?P<name>.+?)-(?P<ver>\d.*?))\.dist-info$") BUILD_NUM_RE = re.compile(rb"Build: (\d\w*)$") def pack(directory: str, dest_dir: str, build_number: str | None): """Repack a previously unpacked wheel directory into a new wheel file. The .dist-info/WHEEL file must contain one or more tags so that the target wheel file name can be determined. :param directory: The unpacked wheel directory :param dest_dir: Destination directory (defaults to the current directory) """ # Find the .dist-info directory dist_info_dirs = [ fn for fn in os.listdir(directory) if os.path.isdir(os.path.join(directory, fn)) and DIST_INFO_RE.match(fn) ] if len(dist_info_dirs) > 1: raise WheelError(f"Multiple .dist-info directories found in {directory}") elif not dist_info_dirs: raise WheelError(f"No .dist-info directories found in {directory}") # Determine the target wheel filename dist_info_dir = dist_info_dirs[0] name_version = DIST_INFO_RE.match(dist_info_dir).group("namever") # Read the tags and the existing build number from .dist-info/WHEEL existing_build_number = None wheel_file_path = os.path.join(directory, dist_info_dir, "WHEEL") with open(wheel_file_path) as f: tags = [] for line in f: if line.startswith("Tag: "): tags.append(line.split(" ")[1].rstrip()) elif line.startswith("Build: "): existing_build_number = line.split(" ")[1].rstrip() if not tags: raise WheelError( "No tags present in {}/WHEEL; cannot determine target wheel " "filename".format(dist_info_dir) ) # Set the wheel file name and add/replace/remove the Build tag in .dist-info/WHEEL build_number = build_number if build_number is not None else existing_build_number if build_number is not None: if build_number: name_version += "-" + build_number if build_number != existing_build_number: replacement = ( ("Build: %s\r\n" % build_number).encode("ascii") if build_number else b"" ) with open(wheel_file_path, "rb+") as f: wheel_file_content = f.read() wheel_file_content, num_replaced = BUILD_NUM_RE.subn( replacement, wheel_file_content ) if not num_replaced: wheel_file_content += replacement f.seek(0) f.truncate() f.write(wheel_file_content) # Reassemble the tags for the wheel file impls = sorted({tag.split("-")[0] for tag in tags}) abivers = sorted({tag.split("-")[1] for tag in tags}) platforms = sorted({tag.split("-")[2] for tag in tags}) tagline = "-".join([".".join(impls), ".".join(abivers), ".".join(platforms)]) # Repack the wheel wheel_path = os.path.join(dest_dir, f"{name_version}-{tagline}.whl") with WheelFile(wheel_path, "w") as wf: print(f"Repacking wheel as {wheel_path}...", end="", flush=True) wf.write_files(directory) print("OK")