brieftaube/BTvenv/lib/python3.6/site-packages/wheel/cli/pack.py
2020-08-27 21:39:46 +02:00

54 lines
2.1 KiB
Python

from __future__ import print_function
import os.path
import re
import sys
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$")
def pack(directory, dest_dir):
"""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('Multiple .dist-info directories found in {}'.format(directory))
elif not dist_info_dirs:
raise WheelError('No .dist-info directories found in {}'.format(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 from .dist-info/WHEEL
with open(os.path.join(directory, dist_info_dir, 'WHEEL')) as f:
tags = [line.split(' ')[1].rstrip() for line in f if line.startswith('Tag: ')]
if not tags:
raise WheelError('No tags present in {}/WHEEL; cannot determine target wheel filename'
.format(dist_info_dir))
# 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, '{}-{}.whl'.format(name_version, tagline))
with WheelFile(wheel_path, 'w') as wf:
print("Repacking wheel as {}...".format(wheel_path), end='')
sys.stdout.flush()
wf.write_files(directory)
print('OK')