mirror of
https://github.com/explosion/spaCy.git
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97 lines
2.6 KiB
Python
97 lines
2.6 KiB
Python
#!/usr/bin/env python
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from __future__ import print_function
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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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import ssl
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try:
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from urllib.request import Request, build_opener, HTTPSHandler, URLError
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except ImportError:
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from urllib2 import Request, build_opener, HTTPSHandler, URLError
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from pip.commands.uninstall import UninstallCommand
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from pip.commands.install import InstallCommand
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from pip import get_installed_distributions
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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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ssl_context = HTTPSHandler(
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context=ssl.SSLContext(ssl.PROTOCOL_TLSv1))
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opener = build_opener(ssl_context)
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retries = 10
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while retries > 0:
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try:
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r = opener.open(Request(url))
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break
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except URLError:
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retries -= 1
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return json.loads(r.read().decode('utf8'))['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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installed_packages = [
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package.project_name
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for package in
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get_installed_distributions()
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if (not package.location.endswith('dist-packages') and
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package.project_name not in ('pip', 'setuptools'))
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]
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if installed_packages:
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pip = UninstallCommand()
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options, args = pip.parse_args(installed_packages)
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options.yes = 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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date = parse_iso8601(sys.argv[1])
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packages = {p: select_version(date, p) for p in sys.argv[2:]}
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args = ['=='.join(a) for a in packages.items()]
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cmd = InstallCommand()
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options, args = cmd.parse_args(args)
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options.ignore_installed = True
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options.force_reinstall = True
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try:
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print(cmd.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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