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author | Karel Kočí <cynerd@email.cz> | 2016-06-30 16:03:25 +0200 |
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committer | Karel Kočí <cynerd@email.cz> | 2016-06-30 16:03:25 +0200 |
commit | e573b3020c032400eed60b649a2cbf55266e6bb0 (patch) | |
tree | 8f572394ac8433529c7a8e70d160a2fbe8268b4e /vim/bundle/YouCompleteMe/python/ycm/paths.py | |
parent | b8c667bd64b3edd38d56c63c5bd1db53a23b4499 (diff) | |
download | myconfigs-e573b3020c032400eed60b649a2cbf55266e6bb0.tar.gz myconfigs-e573b3020c032400eed60b649a2cbf55266e6bb0.tar.bz2 myconfigs-e573b3020c032400eed60b649a2cbf55266e6bb0.zip |
Add current configurations from old repository
Diffstat (limited to 'vim/bundle/YouCompleteMe/python/ycm/paths.py')
-rw-r--r-- | vim/bundle/YouCompleteMe/python/ycm/paths.py | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/vim/bundle/YouCompleteMe/python/ycm/paths.py b/vim/bundle/YouCompleteMe/python/ycm/paths.py new file mode 100644 index 0000000..17edafa --- /dev/null +++ b/vim/bundle/YouCompleteMe/python/ycm/paths.py @@ -0,0 +1,135 @@ +# Copyright (C) 2015 YouCompleteMe contributors. +# +# This file is part of YouCompleteMe. +# +# YouCompleteMe is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# YouCompleteMe is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>. + +from __future__ import unicode_literals +from __future__ import print_function +from __future__ import division +from __future__ import absolute_import +from future import standard_library +standard_library.install_aliases() +from builtins import * # noqa + +import os +import sys +import vim +import functools +import re + +# Can't import these from setup.py because it makes nosetests go crazy. +DIR_OF_CURRENT_SCRIPT = os.path.dirname( os.path.abspath( __file__ ) ) +DIR_OF_YCMD = os.path.join( DIR_OF_CURRENT_SCRIPT, '..', '..', 'third_party', + 'ycmd' ) +WIN_PYTHON_PATH = os.path.join( sys.exec_prefix, 'python.exe' ) +PYTHON_BINARY_REGEX = re.compile( + r'python((2(\.[67])?)|(3(\.[3-9])?))?(.exe)?$' ) + + +def Memoize( obj ): + cache = obj.cache = {} + + @functools.wraps( obj ) + def memoizer( *args, **kwargs ): + key = str( args ) + str( kwargs ) + if key not in cache: + cache[ key ] = obj( *args, **kwargs ) + return cache[ key ] + return memoizer + + +@Memoize +def PathToPythonInterpreter(): + from ycmd import utils + + python_interpreter = vim.eval( 'g:ycm_server_python_interpreter' ) + + if python_interpreter: + if IsPythonVersionCorrect( python_interpreter ): + return python_interpreter + + raise RuntimeError( "Path in 'g:ycm_server_python_interpreter' option " + "does not point to a valid Python 2.6+ or 3.3+." ) + + python_interpreter = _PathToPythonUsedDuringBuild() + if IsPythonVersionCorrect( python_interpreter ): + return python_interpreter + + # On UNIX platforms, we use sys.executable as the Python interpreter path. + # We cannot use sys.executable on Windows because for unknown reasons, it + # returns the Vim executable. Instead, we use sys.exec_prefix to deduce the + # interpreter path. + python_interpreter = ( WIN_PYTHON_PATH if utils.OnWindows() else + sys.executable ) + + if IsPythonVersionCorrect( python_interpreter ): + return python_interpreter + + # As a last resort, we search python in the PATH. We prefer Python 2 over 3 + # for the sake of backwards compatibility with ycm_extra_conf.py files out + # there; few people wrote theirs to work on py3. + # So we check 'python2' before 'python' because on some distributions (Arch + # Linux for example), python refers to python3. + python_interpreter = utils.PathToFirstExistingExecutable( [ 'python2', + 'python', + 'python3' ] ) + + if IsPythonVersionCorrect( python_interpreter ): + return python_interpreter + + raise RuntimeError( "Cannot find Python 2.6+ or 3.3+. You can set its path " + "using the 'g:ycm_server_python_interpreter' " + "option." ) + + +def _PathToPythonUsedDuringBuild(): + from ycmd import utils + + try: + filepath = os.path.join( DIR_OF_YCMD, 'PYTHON_USED_DURING_BUILDING' ) + return utils.ReadFile( filepath ).strip() + # We need to check for IOError for Python2 and OSError for Python3 + except ( IOError, OSError ): + return None + + +def EndsWithPython( path ): + """Check if given path ends with a python 2.6+ or 3.3+ name.""" + return path and PYTHON_BINARY_REGEX.search( path ) is not None + + +def IsPythonVersionCorrect( path ): + """Check if given path is the Python interpreter version 2.6+ or 3.3+.""" + from ycmd import utils + + if not EndsWithPython( path ): + return False + + command = [ path, + '-c', + "import sys;" + "major, minor = sys.version_info[ :2 ];" + "good_python = ( major == 2 and minor >= 6 ) " + "or ( major == 3 and minor >= 3 ) or major > 3;" + # If this looks weird, remember that: + # int( True ) == 1 + # int( False ) == 0 + "sys.exit( not good_python )" ] + + return utils.SafePopen( command ).wait() == 0 + + +def PathToServerScript(): + return os.path.join( DIR_OF_YCMD, 'ycmd' ) |