committing to schema-evolution

merge from HEAD



git-svn-id: http://code.djangoproject.com/svn/django/branches/schema-evolution@3937 bcc190cf-cafb-0310-a4f2-bffc1f526a37

8 files changed, 78 insertions, 18 deletions

diff --git a/django/utils/autoreload.py b/django/utils/autoreload.py
index 6363af7835..e05b7fafe1 100644
--- a/django/utils/autoreload.py
+++ b/django/utils/autoreload.py
@@ -35,6 +35,14 @@ try:
 except ImportError:
     import dummy_thread as thread
 
+# This import does nothing, but it's necessary to avoid some race conditions
+# in the threading module. See http://code.djangoproject.com/ticket/2330 .
+try:
+    import threading
+except ImportError:
+    pass
+
+
 RUN_RELOADER = True
 
 def reloader_thread():
diff --git a/django/utils/datastructures.py b/django/utils/datastructures.py
index 632e804f26..cecb4da170 100644
--- a/django/utils/datastructures.py
+++ b/django/utils/datastructures.py
@@ -14,6 +14,9 @@ class MergeDict(object):
                 pass
         raise KeyError
 
+    def __contains__(self, key):
+        return self.has_key(key)
+
     def get(self, key, default):
         try:
             return self[key]
@@ -187,17 +190,23 @@ class MultiValueDict(dict):
         "Returns a copy of this object."
         return self.__deepcopy__()
 
-    def update(self, other_dict):
-        "update() extends rather than replaces existing key lists."
-        if isinstance(other_dict, MultiValueDict):
-            for key, value_list in other_dict.lists():
-                self.setlistdefault(key, []).extend(value_list)
-        else:
-            try:
-                for key, value in other_dict.items():
-                    self.setlistdefault(key, []).append(value)
-            except TypeError:
-                raise ValueError, "MultiValueDict.update() takes either a MultiValueDict or dictionary"
+    def update(self, *args, **kwargs):
+        "update() extends rather than replaces existing key lists. Also accepts keyword args."
+        if len(args) > 1:
+            raise TypeError, "update expected at most 1 arguments, got %d", len(args)
+        if args:
+            other_dict = args[0]
+            if isinstance(other_dict, MultiValueDict):
+                for key, value_list in other_dict.lists():
+                    self.setlistdefault(key, []).extend(value_list)
+            else:
+                try:
+                    for key, value in other_dict.items():
+                        self.setlistdefault(key, []).append(value)
+                except TypeError:
+                    raise ValueError, "MultiValueDict.update() takes either a MultiValueDict or dictionary"
+        for key, value in kwargs.iteritems():
+            self.setlistdefault(key, []).append(value)
 
 class DotExpandedDict(dict):
     """
diff --git a/django/utils/functional.py b/django/utils/functional.py
index d1514d5728..e3c0a3c76b 100644
--- a/django/utils/functional.py
+++ b/django/utils/functional.py
@@ -1,6 +1,6 @@
-def curry(*args, **kwargs):
+def curry(_curried_func, *args, **kwargs):
     def _curried(*moreargs, **morekwargs):
-        return args[0](*(args[1:]+moreargs), **dict(kwargs.items() + morekwargs.items()))
+        return _curried_func(*(args+moreargs), **dict(kwargs, **morekwargs))
     return _curried
 
 class Promise:
diff --git a/django/utils/itercompat.py b/django/utils/itercompat.py
new file mode 100644
index 0000000000..370988bedb
--- /dev/null
+++ b/django/utils/itercompat.py
@@ -0,0 +1,31 @@
+"""
+Providing iterator functions that are not in all version of Python we support.
+Where possible, we try to use the system-native version and only fall back to
+these implementations if necessary.
+"""
+
+import itertools
+
+def compat_tee(iterable):
+    """Return two independent iterators from a single iterable.
+
+    Based on http://www.python.org/doc/2.3.5/lib/itertools-example.html
+    """
+    # Note: Using a dictionary and a list as the default arguments here is
+    # deliberate and safe in this instance.
+    def gen(next, data={}, cnt=[0]):
+        dpop = data.pop
+        for i in itertools.count():
+            if i == cnt[0]:
+                item = data[i] = next()
+                cnt[0] += 1
+            else:
+                item = dpop(i)
+            yield item
+    next = iter(iterable).next
+    return gen(next), gen(next)
+
+if hasattr(itertools, 'tee'):
+    tee = itertools.tee
+else:
+    tee = compat_tee
diff --git a/django/utils/simplejson/scanner.py b/django/utils/simplejson/scanner.py
index c2e9b6eb89..b9244cfed1 100644
--- a/django/utils/simplejson/scanner.py
+++ b/django/utils/simplejson/scanner.py
@@ -3,12 +3,11 @@ Iterator based sre token scanner
 """
 import sre_parse, sre_compile, sre_constants
 from sre_constants import BRANCH, SUBPATTERN
-from sre import VERBOSE, MULTILINE, DOTALL
 import re
 
 __all__ = ['Scanner', 'pattern']
 
-FLAGS = (VERBOSE | MULTILINE | DOTALL)
+FLAGS = (re.VERBOSE | re.MULTILINE | re.DOTALL)
 class Scanner(object):
     def __init__(self, lexicon, flags=FLAGS):
         self.actions = [None]
diff --git a/django/utils/termcolors.py b/django/utils/termcolors.py
index 3ce1d5bb6b..17a600f899 100644
--- a/django/utils/termcolors.py
+++ b/django/utils/termcolors.py
@@ -2,8 +2,6 @@
 termcolors.py
 """
 
-import types
-
 color_names = ('black', 'red', 'green', 'yellow', 'blue', 'magenta', 'cyan', 'white')
 foreground = dict([(color_names[x], '3%s' % x) for x in range(8)])
 background = dict([(color_names[x], '4%s' % x) for x in range(8)])
diff --git a/django/utils/text.py b/django/utils/text.py
index 7df9bc03b7..9e7bb3b6c4 100644
--- a/django/utils/text.py
+++ b/django/utils/text.py
@@ -94,7 +94,8 @@ def compress_string(s):
     return zbuf.getvalue()
 
 ustring_re = re.compile(u"([\u0080-\uffff])")
-def javascript_quote(s):
+
+def javascript_quote(s, quote_double_quotes=False):
 
     def fix(match):
         return r"\u%04x" % ord(match.group(1))
@@ -104,9 +105,12 @@ def javascript_quote(s):
     elif type(s) != unicode:
         raise TypeError, s
     s = s.replace('\\', '\\\\')
+    s = s.replace('\r', '\\r')
     s = s.replace('\n', '\\n')
     s = s.replace('\t', '\\t')
     s = s.replace("'", "\\'")
+    if quote_double_quotes:
+        s = s.replace('"', '"')
     return str(ustring_re.sub(fix, s))
 
 smart_split_re = re.compile('("(?:[^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'(?:[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\'|[^\\s]+)')
diff --git a/django/utils/translation/trans_null.py b/django/utils/translation/trans_null.py
index ed25cae05b..75ad573357 100644
--- a/django/utils/translation/trans_null.py
+++ b/django/utils/translation/trans_null.py
@@ -17,3 +17,14 @@ get_language = lambda: settings.LANGUAGE_CODE
 get_language_bidi = lambda: settings.LANGUAGE_CODE in settings.LANGUAGES_BIDI
 get_date_formats = lambda: (settings.DATE_FORMAT, settings.DATETIME_FORMAT, settings.TIME_FORMAT)
 get_partial_date_formats = lambda: (settings.YEAR_MONTH_FORMAT, settings.MONTH_DAY_FORMAT)
+check_for_language = lambda x: True
+
+def to_locale(language):
+    p = language.find('-')
+    if p >= 0:
+        return language[:p].lower()+'_'+language[p+1:].upper()
+    else:
+        return language.lower()
+
+def get_language_from_request(request):
+    return settings.LANGUAGE_CODE