63e5747001
constraints files, unlike global_requirements, need to be able to contain urls (specifically file:/// paths) so that we can constrain libraries to be run from their git trees, rather than having them flap all over the place as different servers specify different bounds. The first edit-constraints implementation failed to parse such lines, throwing errors instead. This patch makes the support for urls optional, preventing changing the semantics of requirements update.py logic. Change-Id: I33bd2d9dff9cb7dc1a50177db7286b7317966784 Depends-On: I0f07858e96ea3baf46f8a453e253b9ed29c7f7e2
75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import optparse
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import os.path
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import sys
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import textwrap
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from openstack_requirements import requirement
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def edit(reqs, name, replacement):
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if not replacement:
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reqs.pop(name, None)
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else:
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reqs[name] = [
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(requirement.Requirement('', '', '', '', replacement), '')]
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result = []
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for entries in reqs.values():
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for entry, _ in entries:
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result.append(entry)
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return requirement.Requirements(sorted(result))
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# -- untested UI glue from here down.
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def _validate_options(options, args):
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"""Check that options and arguments are valid.
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:param options: The optparse options for this program.
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:param args: The args for this program.
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"""
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if len(args) < 2:
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raise Exception("No enough arguments given")
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if not os.path.exists(args[0]):
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raise Exception(
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"Constraints file %(con)s not found."
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% dict(con=args[0]))
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def main(argv=None, stdout=None):
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parser = optparse.OptionParser(
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usage="%prog [options] constraintpath name replacement",
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epilog=textwrap.dedent("""\
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Replaces any entries of "name" in the constraints file with
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"replacement". If "name" is not present, it is added to the end of
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the file. If "replacement" is missing or empty, remove "name" from
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the file.
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"""))
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options, args = parser.parse_args(argv)
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if stdout is None:
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stdout = sys.stdout
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_validate_options(options, args)
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args = args + [""]
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content = open(args[0], 'rt').read()
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reqs = requirement.parse(content, permit_urls=True)
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out_reqs = edit(reqs, args[1], args[2])
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out = requirement.to_content(out_reqs, prefix=False)
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with open(args[0] + '.tmp', 'wt') as f:
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f.write(out)
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os.rename(args[0] + '.tmp', args[0])
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return 0
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