spaCy/pip-date.py
2015-12-14 19:43:16 +01:00

54 lines
1.4 KiB
Python

#!/usr/bin/env python
from __future__ import print_function
import urllib
import json
import re
import sys
from bisect import bisect
from datetime import datetime
from datetime import timedelta
from pip.commands.install import InstallCommand
def get_releases(package_name):
url = 'https://pypi.python.org/pypi/%s/json' % package_name
return json.load(urllib.urlopen(url))['releases']
def parse_iso8601(s):
return datetime(*map(int, re.split('[^\d]', s)))
def select_version(select_date, package_name):
versions = []
for version, dists in get_releases(package_name).items():
date = [parse_iso8601(d['upload_time']) for d in dists]
if date:
versions.append((sorted(date)[0], version))
versions = sorted(versions)
min_date = versions[0][0]
if select_date < min_date:
raise Exception('invalid select_date: %s, must be '
'%s or newer.' % (select_date, min_date))
return versions[bisect([x[0] for x in versions], select_date) - 1][1]
date = parse_iso8601(sys.argv[1])
args = ['%s==%s' % (p, select_version(date, p)) for p in sys.argv[2:]]
pip = InstallCommand()
options, args = pip.parse_args(args)
options.force_reinstall = True
options.ignore_installed = True
try:
pip.run(options, args)
except OSError as e:
if e.errno != 13:
raise e
print("You lack permissions to uninstall this package. Perhaps run with sudo? Exiting.")
exit(13)