多分なにかある

bib.py

#!/usr/bin/env python3.3

import sys
import os
import re
import argparse
import distlib.wheel
import subprocess
import distlib.metadata
import distlib.locators

def wheelinfo(dir):
    for f in os.listdir(dir):
        _, ext = os.path.splitext(f)
        if ext != '.whl':
            continue

        whl = distlib.wheel.Wheel(os.path.join(dir, f))
        if not whl.is_compatible():
            continue

        yield ("{whl.name}=={whl.version}".format(whl=whl))

def cmd_freeze(args):
    for w in sorted(wheelinfo(args.dir)):
        print(w)
    
def cmd_develop(args):
    wheelhouse = 'wheelhouse'
    output = subprocess.check_output("{python} setup.py egg_info".format(python=sys.executable).split())
    output = output.decode('utf-8')
    matched = re.search(r'(\w*\.egg-info/requires.txt)', output, re.MULTILINE)
    locator = distlib.locators.DirectoryLocator(wheelhouse)
    requires_txt = matched.groups()[0]
    with open(requires_txt) as f:
        for line in f:
            line = line.strip()
            dist = locator.locate(line)
            if dist:
                print(dist)
                continue
            subprocess.check_call("pip wheel --pre -f wheelhouse {0}".format(line).split())

    subprocess.check_call("pip install --pre -f wheelhouse -r {0}".format(requires_txt).split())


def main():
    parser = argparse.ArgumentParser()
    subparsers = parser.add_subparsers()
    freeze_parser = subparsers.add_parser('freeze')
    freeze_parser.add_argument('dir')
    freeze_parser.set_defaults(func=cmd_freeze)

    develop_parser = subparsers.add_parser('develop')
    develop_parser.set_defaults(func=cmd_develop)

    args = parser.parse_args()

    if hasattr(args, "func"):
        args.func(args)


if __name__ == '__main__':
    main()

requires.txt に extras_requireのセクションがあると落ちる