fac394f79c
The __future__ module [1] was used in this context to ensure compatibility between python 2 and python 3. We previously dropped the support of python 2.7 [2] and now we only support python 3 so we don't need to continue to use this module and the imports listed below. Imports commonly used and their related PEPs: - `division` is related to PEP 238 [3] - `print_function` is related to PEP 3105 [4] - `unicode_literals` is related to PEP 3112 [5] - `with_statement` is related to PEP 343 [6] - `absolute_import` is related to PEP 328 [7] [1] https://docs.python.org/3/library/__future__.html [2] https://governance.openstack.org/tc/goals/selected/ussuri/drop-py27.html [3] https://www.python.org/dev/peps/pep-0238 [4] https://www.python.org/dev/peps/pep-3105 [5] https://www.python.org/dev/peps/pep-3112 [6] https://www.python.org/dev/peps/pep-0343 [7] https://www.python.org/dev/peps/pep-0328 Change-Id: I15d451f6a832b2e698b28e7351a36ef7aea92abe
104 lines
3.2 KiB
Python
104 lines
3.2 KiB
Python
# Copyright (C) 2014 Yahoo! Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import contextlib
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import json
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import os
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import six.moves.urllib.parse as urlparse
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import six.moves.urllib.request as urlreq
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import sys
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import traceback
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import pkg_resources
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try:
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PYPI_LOCATION = os.environ['PYPI_LOCATION']
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except KeyError:
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PYPI_LOCATION = 'http://pypi.org/project'
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KEEP_KEYS = frozenset([
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'author',
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'author_email',
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'maintainer',
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'maintainer_email',
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'license',
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'summary',
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'home_page',
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])
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def iter_names(req):
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for k in (req.key, req.project_name):
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yield k
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yield k.title()
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yield k.replace("-", "_")
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yield k.replace("-", "_").title()
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def release_data(req):
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# Try to find it with various names...
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attempted = []
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for name in iter_names(req):
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url = PYPI_LOCATION + "/%s/json" % (urlparse.quote(name))
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if url in attempted:
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continue
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with contextlib.closing(urlreq.urlopen(url)) as uh:
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if uh.getcode() != 200:
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attempted.append(url)
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continue
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return json.loads(uh.read())
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attempted = [" * %s" % u for u in attempted]
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raise IOError("Could not find '%s' on pypi\nAttempted urls:\n%s"
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% (req.key, "\n".join(attempted)))
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def main():
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if len(sys.argv) == 1:
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print("%s requirement-file ..." % (sys.argv[0]), file=sys.stderr)
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sys.exit(1)
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for filename in sys.argv[1:]:
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print("Analyzing file: %s" % (filename))
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details = {}
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with open(filename, "rb") as fh:
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for line in fh.read().splitlines():
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line = line.strip()
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if line.startswith("#") or not line:
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continue
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req = pkg_resources.Requirement.parse(line)
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print(" - processing: %s" % (req))
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try:
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raw_req_data = release_data(req)
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except IOError:
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traceback.print_exc()
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details[req.key] = None
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else:
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req_info = {}
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for (k, v) in raw_req_data.get('info', {}).items():
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if k not in KEEP_KEYS:
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continue
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req_info[k] = v
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details[req.key] = {
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'requirement': str(req),
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'info': req_info,
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}
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filename, _ext = os.path.splitext(filename)
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with open("%s.json" % (filename), "wb") as fh:
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fh.write(json.dumps(details, sort_keys=True, indent=4,
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separators=(",", ": ")))
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if __name__ == '__main__':
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main()
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