miscellaneous tools for django
Project description
Miscellaneous tools for django.
Look also at the siblings project: django-cms-tools (Tools/helpers around Django-CMS).
existing stuff
django_tools.template.loader.DebugCacheLoader
Insert template name as html comments, e.g.:
<!-- START 'foo/bar.html' --> ... <!-- END 'foo/bar.html' -->
To use this, you must add django_tools.template.loader.DebugCacheLoader as template loader.
e.g.: Activate it only in DEBUG mode:
if DEBUG:
TEMPLATES[0]["OPTIONS"]["loaders"] = [
(
"django_tools.template.loader.DebugCacheLoader", (
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
)
)
]
send text+html mails
A helper class to send text+html mails used the django template library.
You need two template files, e.g.:
You have to specify the template file like this: template_base="mail_test.{ext}"
Send via Celery task:
# settings.py
SEND_MAIL_CELERY_TASK_NAME="mail:send_task"
from django_tools.mail.send_mail import SendMailCelery
SendMailCelery(
template_base="mail_test.{ext}",
mail_context={"foo": "first", "bar": "second"},
subject="Only a test",
recipient_list="foo@bar.tld"
).send()
Send without Celery:
from django_tools.mail.send_mail import SendMail
SendMail(
template_base="mail_test.{ext}",
mail_context={"foo": "first", "bar": "second"},
subject="Only a test",
recipient_list="foo@bar.tld"
).send()
See also the existing unittests:
Filemanager library
Library for building django application like filemanager, gallery etc.
more info, read ./filemanager/README.creole
per-site cache middleware
Similar to django UpdateCacheMiddleware and FetchFromCacheMiddleware, but has some enhancements: ‘per site cache’ in ./cache/README.creole
smooth cache backends
Same as django cache backends, but adds cache.smooth_update() to clears the cache smoothly depend on the current system load. more info in: ‘smooth cache backends’ in ./cache/README.creole
local sync cache
Keep a local dict in a multi-threaded environment up-to-date. Usefull for cache dicts. More info, read DocString in ./local_sync_cache/local_sync_cache.py.
threadlocals middleware
For getting request object anywhere, use ./middlewares/ThreadLocal.py
Dynamic SITE_ID middleware
Set settings.SITE_ID dynamically with a middleware base on the current request domain name. Domain name alias can be specify as a simple string or as a regular expression.
more info, read ./dynamic_site/README.creole.
StackInfoStorage
Message storage like LegacyFallbackStorage, except, every message would have a stack info, witch is helpful, for debugging. Stack info would only be added, if settings DEBUG or MESSAGE_DEBUG is on. To use it, put this into your settings:
MESSAGE_STORAGE = "django_tools.utils.messages.StackInfoStorage"
More info, read DocString in ./utils/messages.py.
limit to usergroups
Limit something with only one field, by selecting:
anonymous users
staff users
superusers
..all existing user groups..
More info, read DocString in ./limit_to_usergroups.py
permission helpers
See django_tools.permissions and unittests: django_tools_tests.test_permissions
form/model fields
Directory field - check if exist and if in a defined base path
Media Path field browse existign path to select and validate input
sign seperated form/model field e.g. comma seperated field
url field A flexible version of the original django form URLField
unittests helpers
Mockup utils
Create dummy PIL/django-filer images with Text, see:
usage/tests:
create users
django_tools.unittest_utils.user.create_user() - create users, get_super_user
django_tools.unittest_utils.user.get_super_user() - get the first existing superuser
BaseUnittestCase
django_tools.unittest_utils.unittest_base.BaseUnittestCase contains some low-level assert methods:
assertEqual_dedent()
assert_is_dir(), assert_not_is_dir()
assert_is_file(), assert_not_is_File()
django_tools.unittest_utils.tempdir contains TempDir, a Context Manager Class:
with TempDir(prefix="foo_") as tempfolder:
# create a file:
open(os.path.join(tempfolder, "bar"), "w").close()
# the created temp folder was deleted with shutil.rmtree()
usage/tests:
DjangoCommandMixin
Helper to run shell commands. e.g.: “./manage.py cms check”
usage/tests:
DOM compare in unittests
The Problem: You can’t easy check if e.g. some form input fields are in the response, because the form rendering use a dict for storing all html attributes. So, the ordering of form field attributes are not sorted and varied.
The Solution: You need to parse the response content into a DOM tree and compare nodes.
We add the great work of Gregor Müllegger at his GSoC 2011 form-rendering branch. You will have the following assert methods inherit from: django_tools.unittest_utils.unittest_base.BaseTestCase
self.assertHTMLEqual() – for compare two HTML DOM trees
self.assertDOM() – for check if nodes in response or not.
self.assertContains() – Check if ond node occurs ‘count’ times in response
More info and examples in ./django_tools_tests/test_dom_asserts.py
@set_string_if_invalid() decorator
Helper to check if there are missing template tags by set temporary 'string_if_invalid', see: https://docs.djangoproject.com/en/1.8/ref/templates/api/#invalid-template-variables
Usage, e.g.:
from django.test import SimpleTestCase
from django_tools.unittest_utils.template import TEMPLATE_INVALID_PREFIX, set_string_if_invalid
@set_string_if_invalid()
class TestMyTemplate(SimpleTestCase):
def test_valid_tag(self):
response = self.client.get('/foo/bar/')
self.assertNotIn(TEMPLATE_INVALID_PREFIX, response.content)
You can also decorate the test method ;)
@task_always_eager() celery decorator
Decorator activate celery:
CELERY_ALWAYS_EAGER=True # executed locally instead of being sent to the queue CELERY_EAGER_PROPAGATES_EXCEPTIONS=True # raise exceptions on errors
Is also set these two items in settings by using override_settings See also: http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-task_always_eager
Usage, e.g.:
from django.core import mail
from django.test import SimpleTestCase
from django_tools.unittest_utils.celery import task_always_eager
@task_always_eager()
class TestMyCeleryJobs(SimpleTestCase):
def test_send_mail(self):
response = self.client.get('/send_mail/foo/')
self.assertEqual(len(mail.outbox), 1)
You can also decorate the test method ;)
Speedup tests
Speedup test run start by disable migrations, e.g.:
from django_tools.unittest_utils.disable_migrations import DisableMigrations MIGRATION_MODULES = DisableMigrations()
small tools
debug_csrf_failure()
Display the normal debug page and not the minimal csrf debug page. More info in DocString here: django_tools/views/csrf.py
import lib helper
additional helper to the existing importlib more info in the sourcecode: ./utils/importlib.py
http utils
Pimped HttpRequest to get some more information about a request. More info in DocString here: django_tools/utils/http.py
@display_admin_error
Developer helper to display silent errors in ModelAdmin.list_display callables. See: display_admin_error in decorators.py
upgrade virtualenv
A simple commandline script that calls pip install —-upgrade XY for every package thats installed in a virtualenv. Simply copy/symlink it into the root directory of your virtualenv and start it.
Note: Seems that this solution can’t observe editables right.
To use it, without installing django-tools:
~/$ cd goto/your_env .../your_env/$ wget https://github.com/jedie/django-tools/raw/master/django_tools/upgrade_virtualenv.py .../your_env/$ chmod +x upgrade_virtualenv.py .../your_env/$ ./upgrade_virtualenv.py
This script will be obsolete, if pip has a own upgrade command.
django_tools.utils.url.GetDict
Similar to origin django.http.QueryDict but:
urlencode() doesn’t add “=” to empty values: “?empty” instead of “?empty=”
always mutable
output will be sorted (easier for tests ;)
More info, see tests: django_tools_tests/test_utils_url.py
Print SQL Queries
Print the used SQL queries via context manager.
usage e.g.:
from django_tools.unittest_utils.print_sql import PrintQueries
# e.g. use in unittests:
class MyTests(TestCase):
def test_foobar(self):
with PrintQueries("Create object"):
FooBar.objects.create("name"=foo)
# e.g. use in views:
def my_view(request):
with PrintQueries("Create object"):
FooBar.objects.create("name"=foo)
the output is like:
_______________________________________________________________________________
*** Create object ***
1 - INSERT INTO "foobar" ("name")
VALUES (foo)
-------------------------------------------------------------------------------
SetRequestDebugMiddleware
middleware to add debug bool attribute to request object. More info: ./debug/README.creole
TracebackLogMiddleware
Put traceback in log by call logging.exception() on process_exception() Activate with:
MIDDLEWARE_CLASSES = (
...
'django_tools.middlewares.TracebackLogMiddleware.TracebackLogMiddleware',
...
)
InternalIps() - Unix shell-style wildcards in INTERNAL_IPS
settings.py e.g.:
from django_tools.settings_utils import InternalIps INTERNAL_IPS = InternalIps(["127.0.0.1", "::1", "192.168.*.*", "10.0.*.*"])
StdoutStderrBuffer()
redirect stdout + stderr to a string buffer. e.g.:
from django_tools.unittest_utils.stdout_redirect import StdoutStderrBuffer
with StdoutStderrBuffer() as buffer:
print("foo")
output = buffer.get_output() # contains "foo\n"
Management commands
nice_diffsettings
Similar to django ‘diffsettings’, but used pretty-printed representation.
To use it, add 'django_tools.manage_commands.django_tools_nice_diffsettings' to your INSTALLED_APPS and call:
$ ./manage.py nice_diffsettings
list_models
Just list all existing models in app_label.ModelName format. Useful to use this in ‘dumpdata’ etc.
To use it, add 'django_tools.manage_commands.django_tools_list_models' to your INSTALLED_APPS and call:
$ ./manage.py list_models
..all others…
There exist many miscellaneous stuff. Look in the source, luke!
running django-tools unittests
Run all tests in all environment combinations:
.../django-tools $ tox
Run all tests in current environment:
.../django-tools $ pytest
Run specific tests, e.g.:
.../django-tools $ pytest django_tools_tests/test_unittest_utils.py
Backwards-incompatible changes
v0.32
remove outdated stuff:
django-tagging addon
upgrade_virtualenv.py (Alternative: update_virtualenv_git_repos.py)
utils.http
v0.29
ClientCookieStorage was renamed to SignedCookieStorage import e.g.:
from django_tools.utils.client_storage import SignedCookieStorage
v0.25.0
SmoothCacheBackends API changed: The cache.clear() method will really clear the cache, as the origin backend API. You must call cache.smooth_update() to set the “last change” timestamp.
v0.24.10
AutoUpdateFileBasedCache is deprecated, use new SmoothCacheBackends.
v0.9
Language code field and SelectMediaPath are renamed.
change: from django_tools.fields import LanguageCodeFormField to: from django_tools.fields.language_code import LanguageCodeFormField
change and rename: from django_tools.fields import LanguageCodeField to: from django_tools.fields.language_code import LanguageCodeModelField
change and rename: from django_tools.widgets import SelectMediaPath to: from django_tools.fields.media_path import MediaPathWidget
Django compatibility
django-tools |
django version |
python |
|---|---|---|
>= v0.30.1 |
1.8, 1.9, 1.10 |
2.7, 3.4, 3.5 |
v0.30 |
1.8, 1.9 |
2.7, 3.4 |
v0.29 |
1.6 - 1.8 |
2.7, 3.4 |
v0.26 |
<=1.6 |
|
v0.25 |
<=1.4 |
(since v0.29 the given version combination will be tested via travis-ci)
history
v0.32.11 - 02.05.2017 - compare v0.32.10…v0.32.11
Fix PyPi package mistake (.tar.gz archive contains .tox ;)
v0.32.10 - 02.05.2017 - compare v0.32.9…v0.32.10
NEW: django_tools.mail to send text+html mails (see above)
v0.32.9 - 21.03.2017 - compare v0.32.8…v0.32.9
Bugfix DebugCacheLoader if TemplateDoesNotExist was raised
v0.32.8 - 16.03.2017 - compare v0.32.7…v0.32.8
NEW: django_tools.template.loader.DebugCacheLoader to add template name as html comments
Change temp filename in BrowserDebug and use django_tools_browserdebug_ prefix
Bugfix in django_tools.middlewares.ThreadLocal.ThreadLocalMiddleware
v0.32.7 - 10.03.2017 - compare v0.32.6…v0.32.7
NEW: django_tools.permissions - helper for setup permissions
NEW: /unittest_utils/user.py - helper for creating users (needfull in unittests)
v0.32.6 - 22.02.2017 - compare v0.32.5…v0.32.6
@task_always_eager() decorator will set CELERY_EAGER_PROPAGATES_EXCEPTIONS=True, too.
v0.32.5 - 10.02.2017 - compare v0.32.4…v0.32.5
NEW: Add template_name (optional) to self.assertResponse() (check with assertTemplateUsed())
v0.32.4 - 01.02.2017 - compare v0.32.3…v0.32.4
Fix: Set “is_active” for created test users
v0.32.3 - 25.01.2017 - compare v0.32.2…v0.32.3
Fix UnicodeDecodeError in BrowserDebug
NEW: @set_string_if_invalid() decorator
NEW: @task_always_eager() decorator
v0.32.2 - 13.01.2017 - compare v0.32.1…v0.32.2
NEW: django_tools.utils.url.GetDict
v0.32.1 - 29.12.2016 - compare v0.32.0…v0.32.1
NEW: TracebackLogMiddleware
v0.32.0 - 19.12.2016 - compare v0.31.0…v0.32.0
NEW: Management commands: ‘nice_diffsettings’, ‘list_models’
NEW: @display_admin_error to display silent errors in ModelAdmin.list_display callables.
NEW: django_tools.template.render.render_template_file
use pytest-django
remove outdated stuff: See ‘Backwards-incompatible changes’ above.
v0.31.0 - 03.11.2016 - compare v0.30.4…v0.31.0
add Mockup utils to create dummy PIL/django-filer images with Text (see above)
move tests into /django_tools_tests/
v0.30.4 - 27.10.2016 - compare v0.30.2…v0.30.4
add DjangoCommandMixin
v0.30.2 - 05.10.2016 - compare v0.30.1…v0.30.2
Bugfix Python 2 compatibility
v0.30.1 - 26.08.2016 - compare v0.30.0…v0.30.1
add: django_tools.unittest_utils.disable_migrations.DisableMigrations (see above)
run tests also with django v1.10 and Python 3.5
use tox
v0.30.0 - 27.04.2016 - compare v0.29.5…v0.30.0
Django 1.9 and Python 3 support contributed by naegelyd
v0.29.4 and v0.29.5 - 10.08.2015 - compare v0.29.3…v0.29.5
Some bugfixes for django 1.6 support
v0.29.3 - 10.08.2015 - compare v0.29.2…v0.29.3
Clear ThreadLocal request atttribute after response is processed (contributed by Lucas Wiman)
v0.29.2 - 19.06.2015 - compare v0.29.1…v0.29.2
Bugfix in unittest_utils.selenium_utils.selenium2fakes_response
assertResponse used assertContains from django
Add QueryLogMiddleware (TODO: add tests)
v0.29.1 - 17.06.2015 - compare v0.29.0…v0.29.1
Bugfixes for Py2 and Py3
add StdoutStderrBuffer()
v0.29.0 - 09.06.2015 - compare v0.26.0…v0.29.0
WIP: Refactor unittests (DocTests must be updated for Py3 and more unittests must be written to cover all)
catch more directory traversal attacks in BaseFilesystemBrowser (and merge code parts)
Bugfix for “django.core.exceptions.AppRegistryNotReady: Models aren’t loaded yet.” if using UpdateInfoBaseModel
Bugfixes in dynamic_site for django 1.7
v0.28.0 - 12.02.2015 - compare v0.26.0…v0.28.0
Work-a-round for import loops
(new Version number, because of PyPi stress)
v0.26.0 - 11.02.2015 - compare v0.25.1…v0.26.0
Updates for Django 1.6 and Python 3
v0.25.1 - 18.11.2013
Bugfix: Fall back to “UTF-8” if server send no encoding info
v0.25.0 - 28.08.2012
Rename cache.clear() in SmoothCacheBackends to cache.smooth_update(), so that reset timestamp is independ from clear the cache.
v0.24.10 - 24.08.2012
Add SmoothCacheBackends: ./cache/README.creole
v0.24.9 - 24.08.2012
Bugfix in per-site cache middleware: set inital count values to None, if counting is disabled.
v0.24.8 - 24.08.2012
Enhanced per-site cache middleware: ./cache/README.creole
Add SetRequestDebugMiddleware: ./debug/README.creole
v0.24.7 - 21.08.2012
Add the per-site cache middleware (see above)
Add import lib helper: ./utils/importlib.py
v0.24.6 - 21.08.2012
Add the filemanager library (see above)
v0.24.5 - 06.08.2012
Add Print SQL Queries context manager. (see above)
v0.24.4 - 26.07.2012
remove date from version string, cause of side-effects e.g.: user clone the repo and has the filter not installed
v0.24.3 - 25.07.2012
“Hardcode” the version string date attachment via gitattribute filter script to fix a reported issues with pip requirements file bug.
v0.24.2 - 10.07.2012
Split UpdateInfoBaseModel(): So you can only set “createtime”, “lastupdatetime” or “createby”, “lastupdateby” or both types (This is backwards compatible)
v0.24.1 - 12.06.2012
Bugfix: UsergroupsModelField() and add unittests for it
Add “normal users” in UsergroupsModelField()
New: Add create_user() and create_testusers() to BaseTestCase
Add a test project for the unittests. TODO: use this for all tests
v0.24.0 - 04.06.2012
v0.23.1
Dynamic Site would be only initialised if settings.USE_DYNAMIC_SITE_MIDDLEWARE = True
v0.23.0
Use cryptographic signing tools from django 1.4 in django_tools.utils.client_storage
v0.22.0
Add static_path.py thats used settings.STATIC_ROOT.
The old media_path.py which used settings.MEDIA_ROOT is deprecated and will be removed in the future.
auto_add_check_unique_together() can use settings.DATABASES[“default”][“ENGINE”], too.
v0.21.1
Bugfixes in Dynamic Site.
v0.21.0beta
New: site alias function
refractory ‘DynamicSiteMiddleware’ to a own app (Backwards-incompatible change: change your settings if you use the old DynamicSiteMiddleware.)
v0.20.1
New: debug_csrf_failure() to display the normal debug page and not the minimal csrf debug page.
v0.20.0
Add experimental DynamicSiteMiddleware, please test it and give feedback.
v0.19.6
Add some south introspection rules for LanguageCodeModelField and jQueryTagModelField
fallback if message for anonymous user can’t created, because django.contrib.messages middleware not used.
Bugfix in django_tools.utils.messages.StackInfoStorage
v0.19.5
v0.19.4
Bugfix for PyPy in local_sync_cache get_cache_information(): sys.getsizeof() not implemented on PyPy
Bugfix in template.filters.chmod_symbol()
Nicer solution for template.filters.human_duration()
v0.19.3
Add support for https in utils/http.py
v0.19.2
Bugfix in utils/http.py timeout work-a-round
v0.19.1
utils/http.py changes:
Use a better solution, see:
Add timeout and add a work-a-round for Python < 2.6
v0.19.0
NEW: Add utils/http.py with helpers to get a webpage via http GET in unicode
Change README from textile to creole ;)
v0.18.2
Bugfix: Add missing template in pypi package
v0.18.0
NEW: Add DOM compare from Gregor Müllegger GSoC work into unittest utils.
v0.17.1
Bugfix in “limit_to_usergroups”: Make choices “lazy”: Don’t access the database in init
v0.17
Add the script “upgrade_virtualenv.py”
Add “limit_to_usergroups”
Add “local sync cache”
Add models.UpdateInfoBaseModel
Update decorators.render_to
render_to pass keyword arguments to render_to_response() (e.g.: mimetype=“text/plain”)
new argument “skip_fail” in get_filtered_apps(): If True: raise excaption if app is not importable
v0.16.4
Bugfix: get_db_prep_save() got an unexpected keyword argument 'connection’ when save a SignSeparatedModelField()
v0.16.3
Update BrowserDebug: Use response.templates instead of response.template and make output nicer
v0.16.2
Merge stack info code and display better stack info on browser debug page
v0.16.1
Update django_tools.utils.messages.StackInfoStorage for django code changes.
v0.16.0
NEW: path model field (check if direcotry exist)
v0.15.0
NEW: Add a flexible URL field (own validator, model- and form-field)
v0.14.1
Bugfix: make path in MediaPathModelField relativ (remove slashes)
v0.14
NEW: django-tagging addon: Display existing tags under a tag field
v0.13
Bugfix UnicodeEncodeError in Browser debug
v0.12
NEW: django_tools.utils.messages.failsafe_message
v0.11
NEW: Store data in a secure cookie, see: utils/client_storage.py
v0.10.1
New: Display used templates in unittest BrowserDebug
Bugfix: catch if last usermessages exist
v0.10.0
NEW: utils around django messages, see: /django_tools/utils/messages.py
v0.9.1
Bugfix: database column was not created: don’t overwrite get_internal_type()
v0.9
New: stuff in /django_tools/fields/
see also backwards-incompatible changes, above!
v0.8.2
New: widgets.SelectMediaPath(): Select a sub directory in settings.MEDIA_ROOT
New: fields.SignSeparatedField()
v0.8.1
Add “no_args” keyword argument to installed_apps_utils.get_filtered_apps()
v0.8.0
Add model LanguageCode field and form LanguageCode field in Accept-Language header format (RFC 2616)
v0.7.0
Add decorators.py
v0.6.0
Add forms_utils.LimitManyToManyFields, crosspost: http://www.djangosnippets.org/snippets/1691/
v0.5.0
Add template/filters.py from PyLucid v0.8.x
v0.4.0
Add experimental “warn_invalid_template_vars”
v0.3.1
Bugfix: Exclude the instance if it was saved in the past.
v0.3.0
Add utils.installed_apps_utils
v0.2.0
Add models_utils, see: http://www.jensdiemer.de/_command/118/blog/detail/67/ (de)
v0.1.0
first version cut out from PyLucid CMS – http://www.pylucid.org
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