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-rw-r--r--devel/utils.py86
1 files changed, 48 insertions, 38 deletions
diff --git a/devel/utils.py b/devel/utils.py
index acdda959..3a6ad699 100644
--- a/devel/utils.py
+++ b/devel/utils.py
@@ -43,35 +43,25 @@ SELECT pr.user_id, COUNT(*), COUNT(p.flag_date)
return maintainers
-def find_user(userstring):
- '''
- Attempt to find the corresponding User object for a standard
- packager string, e.g. something like
- 'A. U. Thor <author@example.com>'.
- We start by searching for a matching email address; we then move onto
- matching by first/last name. If we cannot find a user, then return None.
- '''
- if not userstring:
- return None
- if userstring in find_user.cache:
- return find_user.cache[userstring]
- matches = re.match(r'^([^<]+)? ?<([^>]*)>', userstring)
- if not matches:
- name = userstring
- email = None
- else:
- name = matches.group(1)
- email = matches.group(2)
-
- def user_email():
+
+class UserFinder(object):
+ def __init__(self):
+ self.cache = {}
+
+ @staticmethod
+ def user_email(name, email):
if email:
return User.objects.get(email=email)
return None
- def profile_email():
+
+ @staticmethod
+ def profile_email(name, email):
if email:
return User.objects.get(userprofile__public_email=email)
return None
- def user_name():
+
+ @staticmethod
+ def user_name(name, email):
# yes, a bit odd but this is the easiest way since we can't always be
# sure how to split the name. Ensure every 'token' appears in at least
# one of the two name fields.
@@ -86,20 +76,40 @@ def find_user(userstring):
Q(last_name__icontains=token))
return User.objects.get(name_q)
- user = None
- for matcher in (user_email, profile_email, user_name):
- try:
- user = matcher()
- if user != None:
- break
- except (User.DoesNotExist, User.MultipleObjectsReturned):
- pass
-
- find_user.cache[userstring] = user
- return user
-
-# cached mappings of user strings -> User objects so we don't have to do the
-# lookup more than strictly necessary.
-find_user.cache = {}
+ def find(self, userstring):
+ '''
+ Attempt to find the corresponding User object for a standard
+ packager string, e.g. something like
+ 'A. U. Thor <author@example.com>'.
+ We start by searching for a matching email address; we then move onto
+ matching by first/last name. If we cannot find a user, then return None.
+ '''
+ if not userstring:
+ return None
+ if userstring in self.cache:
+ return self.cache[userstring]
+ matches = re.match(r'^([^<]+)? ?<([^>]*)>', userstring)
+ if not matches:
+ name = userstring
+ email = None
+ else:
+ name = matches.group(1)
+ email = matches.group(2)
+
+ user = None
+ find_methods = (self.user_email, self.profile_email, self.user_name)
+ for matcher in find_methods:
+ try:
+ user = matcher(name, email)
+ if user != None:
+ break
+ except (User.DoesNotExist, User.MultipleObjectsReturned):
+ pass
+
+ self.cache[userstring] = user
+ return user
+
+ def clear_cache(self):
+ self.cache = {}
# vim: set ts=4 sw=4 et: