From e573b3020c032400eed60b649a2cbf55266e6bb0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Thu, 30 Jun 2016 16:03:25 +0200
Subject: Add current configurations from old repository

---
 vim/bundle/YouCompleteMe/python/ycm/paths.py | 135 +++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 vim/bundle/YouCompleteMe/python/ycm/paths.py

(limited to 'vim/bundle/YouCompleteMe/python/ycm/paths.py')

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' )
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