Mercurial > hg
view hgext/fsmonitor/pywatchman/capabilities.py @ 48875:6000f5b25c9b
py2: remove simple from __future__ statements
These were needed for Python 2 support. Now that our linter no longer
mandates these, we can start deleting them.
Differential Revision: https://phab.mercurial-scm.org/D12254
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 03 Mar 2022 17:34:00 +0100 |
parents | 89a2afe31e82 |
children | f58f955adad4 |
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# Copyright 2015 Facebook, Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, # this list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # # * Neither the name Facebook nor the names of its contributors may be used to # endorse or promote products derived from this software without specific # prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # no unicode literals def parse_version(vstr): res = 0 for n in vstr.split("."): res = res * 1000 res = res + int(n) return res cap_versions = { "cmd-watch-del-all": "3.1.1", "cmd-watch-project": "3.1", "relative_root": "3.3", "term-dirname": "3.1", "term-idirname": "3.1", "wildmatch": "3.7", } def check(version, name): if name in cap_versions: return version >= parse_version(cap_versions[name]) return False def synthesize(vers, opts): """Synthesize a capability enabled version response This is a very limited emulation for relatively recent feature sets """ parsed_version = parse_version(vers["version"]) vers["capabilities"] = {} for name in opts["optional"]: vers["capabilities"][name] = check(parsed_version, name) for name in opts["required"]: have = check(parsed_version, name) vers["capabilities"][name] = have if not have: vers["error"] = ( "client required capability `" + name + "` is not supported by this server" ) return vers