Add pylint to depot_tools.

third_party/pylint/config.py

+# This program 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 2 of the License, or (at your option) any later
+# version.
+#
+# This program 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
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+""" Copyright (c) 2003-2006 LOGILAB S.A. (Paris, FRANCE).
+ http://www.logilab.fr/ -- mailto:contact@logilab.fr
+
+  utilities for PyLint configuration :
+   _ pylintrc
+   _ pylint.d (PYLINT_HOME)
+"""
+
+import pickle
+import os
+import sys
+from os.path import exists, isfile, join, expanduser, abspath, dirname
+
+# pylint home is used to save old runs results ################################
+
+USER_HOME = expanduser('~')
+if 'PYLINTHOME' in os.environ:
+    PYLINT_HOME = os.environ['PYLINTHOME']
+    if USER_HOME == '~':
+        USER_HOME = dirname(PYLINT_HOME)
+elif USER_HOME == '~':
+    PYLINT_HOME = ".pylint.d"
+else:
+    PYLINT_HOME = join(USER_HOME, '.pylint.d')
+        
+if not exists(PYLINT_HOME):
+    try:
+        os.mkdir(PYLINT_HOME)
+    except OSError:
+        print >> sys.stderr, 'Unable to create directory %s' % PYLINT_HOME
+
+def get_pdata_path(base_name, recurs):
+    """return the path of the file which should contain old search data for the
+    given base_name with the given options values
+    """
+    base_name = base_name.replace(os.sep, '_')
+    return join(PYLINT_HOME, "%s%s%s"%(base_name, recurs, '.stats'))
+    
+def load_results(base):
+    """try to unpickle and return data from file if it exists and is not
+    corrupted
+    
+    return an empty dictionary if it doesn't exists
+    """
+    data_file = get_pdata_path(base, 1)        
+    try:
+        return pickle.load(open(data_file))
+    except:
+        return {}
+
+if sys.version_info < (3, 0):
+    _PICK_MOD = 'w'
+else:
+    _PICK_MOD = 'wb'
+
+def save_results(results, base):
+    """pickle results"""
+    data_file = get_pdata_path(base, 1)
+    try:
+        pickle.dump(results, open(data_file, _PICK_MOD))
+    except (IOError, OSError), ex:
+        print >> sys.stderr, 'Unable to create file %s: %s' % (data_file, ex)
+
+# location of the configuration file ##########################################
+
+
+def find_pylintrc():
+    """search the pylint rc file and return its path if it find it, else None
+    """
+    # is there a pylint rc file in the current directory ?
+    if exists('pylintrc'):
+        return abspath('pylintrc')
+    if isfile('__init__.py'):
+        curdir = abspath(os.getcwd())
+        while isfile(join(curdir, '__init__.py')):
+            curdir = abspath(join(curdir, '..'))
+            if isfile(join(curdir, 'pylintrc')):
+                return join(curdir, 'pylintrc')
+    if 'PYLINTRC' in os.environ and exists(os.environ['PYLINTRC']):
+        pylintrc = os.environ['PYLINTRC']
+    else:
+        user_home = expanduser('~')
+        if user_home == '~' or user_home == '/root':
+            pylintrc = ".pylintrc"
+        else:
+            pylintrc = join(user_home, '.pylintrc')
+    if not isfile(pylintrc):
+        if isfile('/etc/pylintrc'):
+            pylintrc = '/etc/pylintrc'
+        else:
+            pylintrc = None
+    return pylintrc
+
+PYLINTRC = find_pylintrc()
+
+ENV_HELP = '''
+The following environment variables are used :                                 
+    * PYLINTHOME                                                               
+    path to the directory where data of persistent run will be stored. If not
+found, it defaults to ~/.pylint.d/ or .pylint.d (in the current working
+directory).
+    * PYLINTRC                                                                 
+    path to the configuration file. If not found, it will use the first        
+existent file in ~/.pylintrc, /etc/pylintrc.
+''' % globals()
+
+# evaluation messages #########################################################
+
+def get_note_message(note):
+    """return a message according to note
+    note is a float < 10  (10 is the highest note)
+    """
+    assert note <= 10, "Note is %.2f. Either you cheated, or pylint's \
+broken!" % note
+    if note < 0:
+        msg = 'You have to do something quick !'
+    elif note < 1:
+        msg = 'Hey! This is really dreadful. Or maybe pylint is buggy?'
+    elif note < 2:
+        msg = "Come on! You can't be proud of this code"
+    elif note < 3:
+        msg = 'Hum... Needs work.'
+    elif note < 4:
+        msg = 'Wouldn\'t you be a bit lazy?'
+    elif note < 5:
+        msg = 'A little more work would make it acceptable.'
+    elif note < 6:
+        msg = 'Just the bare minimum. Give it a bit more polish. '
+    elif note < 7:
+        msg = 'This is okay-ish, but I\'m sure you can do better.'
+    elif note < 8:
+        msg = 'If you commit now, people should not be making nasty \
+comments about you on c.l.py'
+    elif note < 9:
+        msg = 'That\'s pretty good. Good work mate.'
+    elif note < 10:
+        msg = 'So close to being perfect...'
+    else:
+        msg = 'Wow ! Now this deserves our uttermost respect.\nPlease send \
+your code to python-projects@logilab.org'
+    return msg