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miscellaneous django tools

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Octocat-spinner-32 django_tools
Octocat-spinner-32 django_tools_test_project
Octocat-spinner-32 .gitignore
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Octocat-spinner-32 MANIFEST.in
Octocat-spinner-32 README.creole
Octocat-spinner-32 setup.py
Octocat-spinner-32 update.sh
README.creole

description

Miscellaneous tools for django.

existing stuff

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

DOM compare in unittests

The Problem: You can’t easy check if e.g. some form input fields are in the reponse, 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 gread 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 ./tests/test_dom_asserts.py

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 django.utils.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

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.

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

..all others…

There exist many miscellaneous stuff. Look in the source, luke!

Backwards-incompatible changes

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

We work on Django v1.5 compatibility in django1.5 branch.

history

  • 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
  • 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
  • v0.24.7 - 21.08.2012
  • 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
  • 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
  • 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
  • v0.20.0
  • 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
  • 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
  • v0.1.0

pip upgrade

To do a pip upgrade in a virtual environment, run this:

~$ cd /YourVirtualEnv/bin
~/YourVirtualEnv/bin$ source activate
(YourVirtualEnv)~/YourVirtualEnv/bin$ pip install --upgrade --verbose --editable=git+git://github.com/jedie/django-tools.git#egg=django-tools

The example used git readonly clone url. If you use subversion do this:

(YourVirtualEnv)~/YourVirtualEnv/bin$ pip install --upgrade --verbose --editable=http://svn.github.com/jedie/django-tools.git#egg=django-tools

If you have git write access, use this:

(YourVirtualEnv)~/YourVirtualEnv/bin$ pip install --upgrade --verbose --editable=git+git@github.com:jedie/django-tools.git#egg=django-tools

...or just use our limit_to_usergroups.py script (see above)

fast repo update

To made a fast repository update, you can run this simple shell script:

~$ cd /path/to/django-tools
/path/to/django-tools$ ./update.sh

the update script runs “git pull origin master” or “svn update”.

links

Homepage http://code.google.com/p/django-tools/
Sourcecode http://github.com/jedie/django-tools
PyPi http://pypi.python.org/pypi/django-tools/

contact

Come into the conversation, besides the github communication features:

Forum official 'django-tools' Forum
IRC #pylucid on freenode.net (Yes, the PyLucid channel...)
webchat http://webchat.freenode.net/?channels=pylucid
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