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