mirror of https://github.com/django/django.git
Removed a bunch of annoying trailing whitespace.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@5068 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -86,7 +86,7 @@ def patch_response_headers(response, cache_timeout=None):
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def add_never_cache_headers(response):
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"""
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Add headers to a response to indicate that
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Add headers to a response to indicate that
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a page should never be cached.
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"""
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patch_response_headers(response, cache_timeout=-1)
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@ -16,9 +16,9 @@ class MergeDict(object):
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def __contains__(self, key):
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return self.has_key(key)
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def __copy__(self):
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return self.__class__(*self.dicts)
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def __copy__(self):
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return self.__class__(*self.dicts)
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def get(self, key, default=None):
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try:
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@ -45,9 +45,9 @@ class MergeDict(object):
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if dict.has_key(key):
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return True
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return False
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def copy(self):
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""" returns a copy of this object"""
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def copy(self):
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""" returns a copy of this object"""
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return self.__copy__()
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class SortedDict(dict):
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@ -1,6 +1,6 @@
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"""
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Synchronization primitives:
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- reader-writer lock (preference to writers)
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(Contributed to Django by eugene@lazutkin.com)
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@ -14,17 +14,16 @@ except ImportError:
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class RWLock:
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"""
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Classic implementation of reader-writer lock with preference to writers.
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Readers can access a resource simultaneously.
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Writers get an exclusive access.
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API is self-descriptive:
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reader_enters()
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reader_leaves()
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writer_enters()
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writer_leaves()
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"""
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def __init__(self):
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self.mutex = threading.RLock()
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self.can_read = threading.Semaphore(0)
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@ -33,7 +32,7 @@ class RWLock:
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self.active_writers = 0
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self.waiting_readers = 0
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self.waiting_writers = 0
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def reader_enters(self):
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self.mutex.acquire()
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try:
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@ -45,7 +44,7 @@ class RWLock:
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finally:
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self.mutex.release()
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self.can_read.acquire()
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def reader_leaves(self):
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self.mutex.acquire()
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try:
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@ -56,7 +55,7 @@ class RWLock:
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self.can_write.release()
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finally:
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self.mutex.release()
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def writer_enters(self):
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self.mutex.acquire()
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try:
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@ -68,7 +67,7 @@ class RWLock:
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finally:
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self.mutex.release()
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self.can_write.acquire()
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def writer_leaves(self):
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self.mutex.acquire()
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try:
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