Remove the review bot app.

reviewbot/util.py

-# Copyright (c) 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import collections
-import email.utils
-
-
-def lazy_property(func):
-  """A decorator for lazy properties."""
-  name = '__lazy_' + func.__name__
-
-  def get_property(self, *args, **kwargs):
-    if not hasattr(self, name):
-      setattr(self, name, func(self, *args, **kwargs))
-    return getattr(self, name)
-
-  return property(get_property)
-
-
-class LazyDict(collections.Mapping):
-  """A simple immutable and lazy dictionary.
-
-  This looks up the actual key values on first access to the key and caches the
-  value to speed up subsequent accesses.
-  """
-
-  def __init__(self, lookup_fn):
-    self.items = {}
-    self.lookup = lookup_fn
-
-  def __getitem__(self, name):
-    if name not in self.items.keys():
-      self.items[name] = self.lookup(name)
-    return self.items[name]
-
-  def __iter__(self):
-    return self.items.iterkeys()
-
-  def __len__(self):
-    return len(self.items)
-
-  def __repr__(self):
-    return repr(self.items)
-
-
-class ObjectDict(collections.Mapping):
-  """Wraps a dictionary to allow value retrieval in dot notation."""
-
-  def __init__(self, data):
-    self.__data = data
-
-  def __getitem__(self, name):
-    val = self.__data[name]
-    return ObjectDict.wrap(val)
-
-  def __getattr__(self, name):
-    try:
-      return self[name]
-    except KeyError as e:
-      raise AttributeError(e)
-
-  def __iter__(self):
-    return self.__data.iterkeys()
-
-  def __len__(self):
-    return len(self.__data)
-
-  def __repr__(self):
-    return repr(self.__data)
-
-  @staticmethod
-  def wrap(val):
-    if isinstance(val, dict):
-      return ObjectDict(val)
-    return val
-
-
-def get_emails(string):
-  """Normalizes a string containing a list of email recepients.
-
-  Takes a string in the format present in mail headers and returns a list of
-  email addresses. For example, the input
-      'test@example.com, committers <committers@chromium.org>
-  will produce this return value:
-      [ 'test@example.com', 'committers@chromium.org' ]
-  """
-  return [entry[1] for entry in email.utils.getaddresses([string])]
-
-
-def canonicalize_email(address):
-  """Takes an email address and returns its canonicalized form."""
-  emails = get_emails(address)
-  assert len(emails) == 1
-  return emails[0]