Merged to [4656]

git-svn-id: http://code.djangoproject.com/svn/django/branches/newforms-admin@4657 bcc190cf-cafb-0310-a4f2-bffc1f526a37

AUTHORS

@@ -118,6 +118,7 @@ answer newbie questions, and generally made Django that much better:
     konrad@gwu.edu
     lakin.wecker@gmail.com
     Stuart Langridge <http://www.kryogenix.org/>
+    Nicola Larosa <nico@teknico.net>
     Eugene Lazutkin <http://lazutkin.com/blog/>
     Jeong-Min Lee <falsetru@gmail.com>
     Christopher Lenz <http://www.cmlenz.net/>

django/conf/locale/it/LC_MESSAGES/djangojs.po

@@ -1,20 +1,39 @@
+# translation of djangojs.po to Italiano
 # Italian translation for the django-admin JS files
 # Copyright (C) 2006 the Lawrence Journal-World
 # This file is distributed under the same license as the Django package.
-# Carlo C8E Miron <carlo.miron AT gmail.com>, 2006.
 #
+# Carlo C8E Miron <carlo.miron AT gmail.com>, 2006.
+# Nicola 'tekNico' Larosa <nico@tekNico.net>, 2007.
 msgid ""
 msgstr ""
-"Project-Id-Version: Django JavaScript 1.0\n"
+"Project-Id-Version: djangojs\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2005-12-09 11:51+0100\n"
+"POT-Creation-Date: 2007-02-26 20:46+0100\n"
-"PO-Revision-Date: 2005-12-04 21:47+0100\n"
+"PO-Revision-Date: 2007-02-26 20:55+0100\n"
-"Last-Translator: Carlo C8E Miron <carlo.miron AT gmail.com>\n"
+"Last-Translator: Nicola Larosa <nico@tekNico.net>\n"
-"Language-Team: Italian <Django-I18N@googlegroups.com>\n"
 "MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=utf-8\n"
+"Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms:  nplurals=2; plural=(n != 1);\n"
+"X-Generator: KBabel 1.11.2\n"
+
+#: contrib/admin/media/js/calendar.js:24
+#: contrib/admin/media/js/dateparse.js:32
+msgid ""
+"January February March April May June July August September October November "
+"December"
+msgstr ""
+"Gennaio Febbraio Marzo Aprile Maggio Giugno Luglio Agosto Settembre Ottobre "
+"Novembre Dicembre"
+
+#: contrib/admin/media/js/calendar.js:25
+msgid "S M T W T F S"
+msgstr "D L M M G V S"
+
+#: contrib/admin/media/js/dateparse.js:33
+msgid "Sunday Monday Tuesday Wednesday Thursday Friday Saturday"
+msgstr "Domenica Lunedì Martedì Mercoledì Giovedì Venerdì Sabato"
 
 #: contrib/admin/media/js/SelectFilter2.js:33
 #, perl-format
@@ -23,7 +42,7 @@ msgstr "Disponibile %s"
 
 #: contrib/admin/media/js/SelectFilter2.js:41
 msgid "Choose all"
-msgstr "Seleziona tutto"
+msgstr "Scegli tutto"
 
 #: contrib/admin/media/js/SelectFilter2.js:46
 msgid "Add"
@@ -36,7 +55,7 @@ msgstr "Rimuovi"
 #: contrib/admin/media/js/SelectFilter2.js:53
 #, perl-format
 msgid "Chosen %s"
-msgstr "Selezionato %s"
+msgstr "Scelto %s"
 
 #: contrib/admin/media/js/SelectFilter2.js:54
 msgid "Select your choice(s) and click "
@@ -46,66 +65,59 @@ msgstr "Seleziona le tue scelte e clicca "
 msgid "Clear all"
 msgstr "Cancella tutto"
 
-#: contrib/admin/media/js/dateparse.js:26
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:47
-#: contrib/admin/media/js/calendar.js:24
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:81
-msgid ""
-"January February March April May June July August September October November "
-"December"
-msgstr ""
-"Gennaio Febbraio Marzo Aprile Maggio Giugno Luglio Agosto Settembre Ottobre "
-"Novembre Dicembre"
-
-#: contrib/admin/media/js/dateparse.js:27
-msgid "Sunday Monday Tuesday Wednesday Thursday Friday Saturday"
-msgstr "Domenica Lunedì Martedì Mercoledì Giovedì Venerdì Sabato"
-
-#: contrib/admin/media/js/calendar.js:25
-msgid "S M T W T F S"
-msgstr "D L M M G V S"
-
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:45
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:80
 msgid "Now"
 msgstr "Adesso"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:48
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:51
 msgid "Clock"
 msgstr "Orologio"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:77
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:78
 msgid "Choose a time"
-msgstr "Seleziona un orario"
+msgstr "Scegli un orario"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:81
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:82
 msgid "Midnight"
 msgstr "Mezzanotte"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:82
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:83
 msgid "6 a.m."
 msgstr "6 del mattino"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:83
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:84
 msgid "Noon"
 msgstr "Mezzogiorno"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:87
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:88
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:168
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:183
 msgid "Cancel"
 msgstr "Annulla"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:111
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:128
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:162
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:177
 msgid "Today"
 msgstr "Oggi"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:114
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:132
 msgid "Calendar"
 msgstr "Calendario"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:160
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:175
 msgid "Yesterday"
 msgstr "Ieri"
 
-#: contrib/admin/media/js/admin/DateTimeShortcuts.js:164
+#: contrib/admin/media/js/admin/DateTimeShortcuts.js:179
 msgid "Tomorrow"
 msgstr "Domani"
+
+#: contrib/admin/media/js/admin/CollapsedFieldsets.js:34
+#: contrib/admin/media/js/admin/CollapsedFieldsets.js:72
+msgid "Show"
+msgstr "Mostra"
+
+#: contrib/admin/media/js/admin/CollapsedFieldsets.js:63
+msgid "Hide"
+msgstr "Nascondi"
+

django/contrib/admin/media/css/forms.css

@@ -9,7 +9,7 @@ form .form-row p { padding-left:0; font-size:11px; }
 /* FORM LABELS */
 form h4 { margin:0 !important; padding:0 !important; border:none !important; }
 label { font-weight:normal !important; color:#666; font-size:12px; }
-/* label.inline { margin-left:20px; } */
+label.inline { margin-left:20px; }
 .required label, label.required { font-weight:bold !important; color:#333 !important; }
 
 /* RADIO BUTTONS */
@@ -20,7 +20,7 @@ form ul.inline li { float:left; padding-right:7px; }
 
 /* ALIGNED FIELDSETS */
 .aligned label { display:block; padding:0 1em 3px 0; float:left; width:8em; }
-/* .aligned label.inline { display:inline; float:none; } */
+.aligned label.inline { display:inline; float:none; }
 .colMS .aligned .vLargeTextField, .colMS .aligned .vXMLLargeTextField { width:350px; }
 form .aligned p, form .aligned ul { margin-left:7em; padding-left:30px; }
 form .aligned table p { margin-left:0; padding-left:0; }

django/db/models/query.py

@@ -84,6 +84,7 @@ class QuerySet(object):
         self._filters = Q()
         self._order_by = None        # Ordering, e.g. ('date', '-name'). If None, use model's ordering.
         self._select_related = False # Whether to fill cache for related objects.
+        self._max_related_depth = 0  # Maximum "depth" for select_related
         self._distinct = False       # Whether the query should use SELECT DISTINCT.
         self._select = {}            # Dictionary of attname -> SQL.
         self._where = []             # List of extra WHERE clauses to use.
@@ -186,7 +187,8 @@ class QuerySet(object):
                 raise StopIteration
             for row in rows:
                 if fill_cache:
-                    obj, index_end = get_cached_row(self.model, row, 0)
+                    obj, index_end = get_cached_row(klass=self.model, row=row, 
+                                                    index_start=0, max_depth=self._max_related_depth)
                 else:
                     obj = self.model(*row[:index_end])
                 for i, k in enumerate(extra_select):
@@ -394,9 +396,9 @@ class QuerySet(object):
         else:
             return self._filter_or_exclude(None, **filter_obj)
 
-    def select_related(self, true_or_false=True):
+    def select_related(self, true_or_false=True, depth=0):
         "Returns a new QuerySet instance with '_select_related' modified."
-        return self._clone(_select_related=true_or_false)
+        return self._clone(_select_related=true_or_false, _max_related_depth=depth)
 
     def order_by(self, *field_names):
         "Returns a new QuerySet instance with the ordering changed."
@@ -430,6 +432,7 @@ class QuerySet(object):
         c._filters = self._filters
         c._order_by = self._order_by
         c._select_related = self._select_related
+        c._max_related_depth = self._max_related_depth
         c._distinct = self._distinct
         c._select = self._select.copy()
         c._where = self._where[:]
@@ -483,7 +486,10 @@ class QuerySet(object):
 
         # Add additional tables and WHERE clauses based on select_related.
         if self._select_related:
-            fill_table_cache(opts, select, tables, where, opts.db_table, [opts.db_table])
+            fill_table_cache(opts, select, tables, where, 
+                             old_prefix=opts.db_table, 
+                             cache_tables_seen=[opts.db_table], 
+                             max_depth=self._max_related_depth)
 
         # Add any additional SELECTs.
         if self._select:
@@ -728,21 +734,33 @@ def get_where_clause(lookup_type, table_prefix, field_name, value):
         return backend.get_fulltext_search_sql(table_prefix + field_name)
     raise TypeError, "Got invalid lookup_type: %s" % repr(lookup_type)
 
-def get_cached_row(klass, row, index_start):
+def get_cached_row(klass, row, index_start, max_depth=0, cur_depth=0):
-    "Helper function that recursively returns an object with cache filled"
+    """Helper function that recursively returns an object with cache filled"""
+    
+    # If we've got a max_depth set and we've exceeded that depth, bail now.
+    if max_depth and cur_depth > max_depth:
+        return None
+    
     index_end = index_start + len(klass._meta.fields)
     obj = klass(*row[index_start:index_end])
     for f in klass._meta.fields:
         if f.rel and not f.null:
-            rel_obj, index_end = get_cached_row(f.rel.to, row, index_end)
+            cached_row = get_cached_row(f.rel.to, row, index_end, max_depth, cur_depth+1)
-            setattr(obj, f.get_cache_name(), rel_obj)
+            if cached_row:
+                rel_obj, index_end = cached_row
+                setattr(obj, f.get_cache_name(), rel_obj)
     return obj, index_end
 
-def fill_table_cache(opts, select, tables, where, old_prefix, cache_tables_seen):
+def fill_table_cache(opts, select, tables, where, old_prefix, cache_tables_seen, max_depth=0, cur_depth=0):
     """
     Helper function that recursively populates the select, tables and where (in
     place) for select_related queries.
     """
+    
+    # If we've got a max_depth set and we've exceeded that depth, bail now.
+    if max_depth and cur_depth > max_depth:
+        return None
+    
     qn = backend.quote_name
     for f in opts.fields:
         if f.rel and not f.null:
@@ -757,7 +775,7 @@ def fill_table_cache(opts, select, tables, where, old_prefix, cache_tables_seen)
             where.append('%s.%s = %s.%s' % \
                 (qn(old_prefix), qn(f.column), qn(db_table), qn(f.rel.get_related_field().column)))
             select.extend(['%s.%s' % (qn(db_table), qn(f2.column)) for f2 in f.rel.to._meta.fields])
-            fill_table_cache(f.rel.to._meta, select, tables, where, db_table, cache_tables_seen)
+            fill_table_cache(f.rel.to._meta, select, tables, where, db_table, cache_tables_seen, max_depth, cur_depth+1)
 
 def parse_lookup(kwarg_items, opts):
     # Helper function that handles converting API kwargs

django/utils/dateformat.py

@@ -16,7 +16,7 @@ from django.utils.tzinfo import LocalTimezone
 from calendar import isleap, monthrange
 import re, time
 
-re_formatchars = re.compile(r'(?<!\\)([aABdDfFgGhHiIjlLmMnNOPrsStTUwWyYzZ])')
+re_formatchars = re.compile(r'(?<!\\)([aAbBdDfFgGhHiIjlLmMnNOPrsStTUwWyYzZ])')
 re_escaped = re.compile(r'\\(.)')
 
 class Formatter(object):
@@ -110,6 +110,10 @@ class DateFormat(TimeFormat):
         if hasattr(self.data, 'hour') and not self.timezone:
             self.timezone = LocalTimezone(dt)
 
+    def b(self):
+        "Month, textual, 3 letters, lowercase; e.g. 'jan'"
+        return MONTHS_3[self.data.month]
+
     def d(self):
         "Day of the month, 2 digits with leading zeros; i.e. '01' to '31'"
         return '%02d' % self.data.day

docs/authentication.txt

@@ -398,7 +398,7 @@ To do this, add the following line to your URLconf::
 
     (r'^accounts/login/$', 'django.contrib.auth.views.login'),
 
-Here's what ``django.contrib.auth.views.login`` does::
+Here's what ``django.contrib.auth.views.login`` does:
 
     * If called via ``GET``, it displays a login form that POSTs to the same
       URL. More on this in a bit.

docs/db-api.txt

@@ -596,6 +596,21 @@ related ``Person`` *and* the related ``City``::
 Note that ``select_related()`` does not follow foreign keys that have
 ``null=True``.
 
+Usually, using ``select_related()`` can vastly improve performance because your
+app can avoid many database calls. However, in situations with deeply nested
+sets of relationships ``select_related()`` can sometimes end up following "too
+many" relations, and can generate queries so large that they end up being slow.
+
+In these situations, you can use the ``depth`` argument to ``select_related()``
+to control how many "levels" of relations ``select_related()`` will actually
+follow::
+
+    b = Book.objects.select_related(depth=1).get(id=4)
+    p = b.author         # Doesn't hit the database.
+    c = p.hometown       # Requires a database call.
+
+The ``depth`` argument is new in the Django development version.
+    
 ``extra(select=None, where=None, params=None, tables=None)``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/django-admin.txt

@@ -151,7 +151,7 @@ runfcgi [options]
 -----------------
 Starts a set of FastCGI processes suitable for use with any web server
 which supports the FastCGI protocol. See the `FastCGI deployment
-documentation`- for details. Requires the Python FastCGI module from
+documentation`_ for details. Requires the Python FastCGI module from
 `flup`_.
 
 .. _FastCGI deployment documentation: ../fastcgi/

docs/install.txt

@@ -64,7 +64,7 @@ installed.
 .. _PostgreSQL: http://www.postgresql.org/
 .. _MySQL: http://www.mysql.com/
 .. _Django's ticket system: http://code.djangoproject.com/report/1
-.. _psycopg: http://initd.org/projects/psycopg1
+.. _psycopg: http://initd.org/tracker/psycopg
 .. _compiled Windows version: http://stickpeople.com/projects/python/win-psycopg/
 .. _MySQLdb: http://sourceforge.net/projects/mysql-python
 .. _SQLite: http://www.sqlite.org/

docs/settings.txt

@@ -239,10 +239,10 @@ The cache key prefix that the cache middleware should use. See the
 DATABASE_ENGINE
 ---------------
 
-Default: ``'postgresql'``
+Default: ``''`` (Empty string)
 
-Which database backend to use. Either ``'postgresql'``, ``'mysql'``,
+Which database backend to use. Either ``'postgresql_psycopg2'``, 
-``'sqlite3'`` or ``'ado_mssql'``.
+``'postgresql'``, ``'mysql'``, ``'sqlite3'`` or ``'ado_mssql'``.
 
 DATABASE_HOST
 -------------

docs/templates.txt

@@ -645,6 +645,7 @@ Available format strings:
                       output, because this includes periods
                       to match Associated Press style.)
     A                 ``'AM'`` or ``'PM'``.                     ``'AM'``
+    b                 Month, textual, 3 letters, lowercase.     ``'jan'``
     B                 Not implemented.
     d                 Day of the month, 2 digits with           ``'01'`` to ``'31'``
                       leading zeros.

extras/django_bash_completion

@@ -31,6 +31,9 @@
 #
 # To uninstall, just remove the line from your .bash_profile and .bashrc.
 
+# Enable extended pattern matching operators.
+shopt -s extglob
+
 _django_completion()
 {
     local cur prev opts actions action_shell_opts action_runfcgi_opts
@@ -58,8 +61,13 @@ _django_completion()
           ||
           # python manage.py, /some/path/python manage.py (if manage.py exists)
           ( ${COMP_CWORD} -eq 2 &&
-            ( $( basename ${COMP_WORDS[0]} ) == python ) &&
+            ( $( basename ${COMP_WORDS[0]} ) == python?([1-9]\.[0-9]) ) &&
             ( $( basename ${COMP_WORDS[1]} ) == manage.py) &&
+            ( -r ${COMP_WORDS[1]} ) ) 
+          ||
+          ( ${COMP_CWORD} -eq 2 &&
+            ( $( basename ${COMP_WORDS[0]} ) == python?([1-9]\.[0-9]) ) &&
+            ( $( basename ${COMP_WORDS[1]} ) == django-admin.py) &&
             ( -r ${COMP_WORDS[1]} ) ) ]] ; then
 
         case ${cur} in
@@ -135,3 +143,17 @@ _django_completion()
 }
 
 complete -F _django_completion django-admin.py manage.py
+
+# Support for multiple interpreters.
+unset pythons
+if command -v whereis &>/dev/null; then
+    python_interpreters=$(whereis -b python | cut -d " " -f 2-) 
+    for python in $python_interpreters; do
+        pythons="${pythons} $(basename $python)"
+    done
+    pythons=$(echo $pythons | tr " " "\n" | sort -u | tr "\n" " ")
+else
+    pythons=python    
+fi
+
+complete -F _django_completion -o default $pythons

tests/modeltests/select_related/models.py

@@ -0,0 +1,152 @@
+"""
+XXX. Tests for ``select_related()``
+
+``select_related()`` follows all relationships and pre-caches any foreign key
+values so that complex trees can be fetched in a single query. However, this
+isn't always a good idea, so the ``depth`` argument control how many "levels"
+the select-related behavior will traverse.
+"""
+
+from django.db import models
+
+# Who remembers high school biology?
+
+class Domain(models.Model):
+    name = models.CharField(maxlength=50)
+    def __str__(self):
+        return self.name
+
+class Kingdom(models.Model):
+    name = models.CharField(maxlength=50)
+    domain = models.ForeignKey(Domain)
+    def __str__(self):
+        return self.name
+
+class Phylum(models.Model):
+    name = models.CharField(maxlength=50)
+    kingdom = models.ForeignKey(Kingdom)
+    def __str__(self):
+        return self.name
+    
+class Klass(models.Model):
+    name = models.CharField(maxlength=50)
+    phylum = models.ForeignKey(Phylum)
+    def __str__(self):
+        return self.name
+    
+class Order(models.Model):
+    name = models.CharField(maxlength=50)
+    klass = models.ForeignKey(Klass)
+    def __str__(self):
+        return self.name
+
+class Family(models.Model):
+    name = models.CharField(maxlength=50)
+    order = models.ForeignKey(Order)
+    def __str__(self):
+        return self.name
+
+class Genus(models.Model):
+    name = models.CharField(maxlength=50)
+    family = models.ForeignKey(Family)
+    def __str__(self):
+        return self.name
+
+class Species(models.Model):
+    name = models.CharField(maxlength=50)
+    genus = models.ForeignKey(Genus)
+    def __str__(self):
+        return self.name
+
+def create_tree(stringtree):
+    """Helper to create a complete tree"""
+    names = stringtree.split()
+    models = [Domain, Kingdom, Phylum, Klass, Order, Family, Genus, Species]
+    assert len(names) == len(models), (names, models)
+    
+    parent = None
+    for name, model in zip(names, models):
+        try:
+            obj = model.objects.get(name=name)
+        except model.DoesNotExist:
+            obj = model(name=name)
+        if parent:
+            setattr(obj, parent.__class__.__name__.lower(), parent)
+        obj.save()
+        parent = obj
+
+__test__ = {'API_TESTS':"""
+
+# Set up.
+# The test runner sets settings.DEBUG to False, but we want to gather queries
+# so we'll set it to True here and reset it at the end of the test suite.
+>>> from django.conf import settings
+>>> settings.DEBUG = True
+
+>>> create_tree("Eukaryota Animalia Anthropoda Insecta Diptera Drosophilidae Drosophila melanogaster")
+>>> create_tree("Eukaryota Animalia Chordata Mammalia Primates Hominidae Homo sapiens")
+>>> create_tree("Eukaryota Plantae Magnoliophyta Magnoliopsida Fabales Fabaceae Pisum sativum")
+>>> create_tree("Eukaryota Fungi Basidiomycota Homobasidiomycatae Agaricales Amanitacae Amanita muscaria")
+
+>>> from django import db
+
+# Normally, accessing FKs doesn't fill in related objects:
+>>> db.reset_queries()
+>>> fly = Species.objects.get(name="melanogaster")
+>>> fly.genus.family.order.klass.phylum.kingdom.domain
+<Domain: Eukaryota>
+>>> len(db.connection.queries)
+8
+
+# However, a select_related() call will fill in those related objects without any extra queries:
+>>> db.reset_queries()
+>>> person = Species.objects.select_related().get(name="sapiens")
+>>> person.genus.family.order.klass.phylum.kingdom.domain
+<Domain: Eukaryota>
+>>> len(db.connection.queries)
+1
+
+# select_related() also of course applies to entire lists, not just items.
+# Without select_related()
+>>> db.reset_queries()
+>>> world = Species.objects.all()
+>>> [o.genus.family for o in world]
+[<Family: Drosophilidae>, <Family: Hominidae>, <Family: Fabaceae>, <Family: Amanitacae>]
+>>> len(db.connection.queries)
+9
+
+# With select_related():
+>>> db.reset_queries()
+>>> world = Species.objects.all().select_related()
+>>> [o.genus.family for o in world]
+[<Family: Drosophilidae>, <Family: Hominidae>, <Family: Fabaceae>, <Family: Amanitacae>]
+>>> len(db.connection.queries)
+1
+
+# The "depth" argument to select_related() will stop the descent at a particular level:
+>>> db.reset_queries()
+>>> pea = Species.objects.select_related(depth=1).get(name="sativum")
+>>> pea.genus.family.order.klass.phylum.kingdom.domain
+<Domain: Eukaryota>
+
+# Notice: one few query than above because of depth=1
+>>> len(db.connection.queries)
+7
+
+>>> db.reset_queries()
+>>> pea = Species.objects.select_related(depth=5).get(name="sativum")
+>>> pea.genus.family.order.klass.phylum.kingdom.domain
+<Domain: Eukaryota>
+>>> len(db.connection.queries)
+3
+
+>>> db.reset_queries()
+>>> world = Species.objects.all().select_related(depth=2)
+>>> [o.genus.family.order for o in world]
+[<Order: Diptera>, <Order: Primates>, <Order: Fabales>, <Order: Agaricales>]
+>>> len(db.connection.queries)
+5
+
+# Reset DEBUG to where we found it.
+>>> settings.DEBUG = False
+"""}

tests/regressiontests/bug639/tests.py

@@ -32,4 +32,11 @@ class Bug639Test(unittest.TestCase):
         p = manip.save(qd)
         
         # Check the savecount stored on the object (see the model)
-        self.assertEqual(p._savecount, 1)
+        self.assertEqual(p._savecount, 1)
+        
+    def tearDown(self):
+        """
+        Make sure to delete the "uploaded" file to avoid clogging /tmp.
+        """
+        p = Photo.objects.get()
+        os.unlink(p.get_image_filename())

tests/regressiontests/dateformat/tests.py

@@ -17,6 +17,8 @@ r"""
 '07'
 >>> format(my_birthday, 'M')
 'Jul'
+>>> format(my_birthday, 'b')
+'jul'
 >>> format(my_birthday, 'n')
 '7'
 >>> format(my_birthday, 'N')