|
|
# 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.
|
|
|
|
|
|
from __future__ import absolute_import
|
|
|
from __future__ import division
|
|
|
from __future__ import print_function
|
|
|
# no unicode literals
|
|
|
|
|
|
import re
|
|
|
|
|
|
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)
|
|
|
failed = False
|
|
|
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
|
|
|
|
