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Pylons Changelog
0.9.6rc3 (**svn**)
* Fixed controllers.core to allow responses of None (empty bodies). Logs a
message indicating the response was empty.
* pylons.helpers has been moved to pylons.controllers.util, to differentiate
between controller utility functions and projects' helpers modules.
* Fixed non-basestring/generator/WSGIResponse objects returned from
Controllers not being set as the response content. Thanks Alex Conrad.
* development.ini now configures the app's Logger level to DEBUG by default.
Thanks Christoph Haas
0.9.6rc2 (August 2, 2007)
* Projects now include a file: it directs distutils to recursively
include all files in the project's public/ and templates/ dir. This fixes
these dirs not being included in dists unless they were checked into an RCS
recognized by setuptools. This is at the expense of dists now globbing all
files in those dirs (even those not checked into your RCS). Thanks Christoph
* Fixed the validate decorator not setting c.form_errors in certain
circumstances. Thanks max. Fixes #286.
* email_to lines commented out in development.ini and test.ini files to avoid
emails being sent to a non-existent address by mistake. If an error occurs
it is logged but no email is sent unless email_to is specified.
* [paste.app_factory] entry points changed to point to the actual make_app()
function to make it simpler for someone to work out how Pylons works (tests
updated accordingly too).
* All use of the ez_setup module is now tested by an ImportError to make
Pylons compatible with Buildout. Note: Tags and releases should be made
using an svn export and an svn add to ensure a real copy of the ez_setup
module is included and not just an svn:external so that the module is tied
to time of the release.
* More full-featured README.txt included.
* Updated beaker_cache to cache global response cookies/status/headers.
Fixes #280.
* Fixed missing abort name import in restrict rest decorator. Fixes #281.
* Added cheetah as a supported template language for template_engine option.
* Fixed public/ and templates/ directories not being created with paster
0.9.6rc1 (July 15, 2007)
* Fixed cookie header addition to use add instead of append. Thanks to
anonymous patcher. Fixes #268, again.
* Added ability to pass _code option to specify the status code type for
* Fixed redirect_to to not copy all headers into redirect for old _response
usage. Fixes #268.
* WARNING: By default, the Pylons request object now returns unicode
parameter (pylons.GET/POST/params) values (and assumes those parameters
were sent to Pylons as utf-8). Unicode parameters can cause major
problems if your application is not setup to handle unicode. To disable
unicode parameters (0.9.5 default behavior), add the following to your
load_environment function (0.9.6 syntax):
config['request_options']['charset'] = None
or, if still using the deprecated pre-0.9.6 pylons.config syntax, add:
request_settings = pylons.config.request_defaults.copy()
request_settings['charset'] = None
return pylons.config.Config(tmpl_options, map, paths,
* WARNING: Template names beginning with a / (or the OS's path separator)
will now result in the name not having the separator's replaced with '.'s
for the template engine. This shouldn't affect most projects as they usually
assume a dot notation will be used with dot notation template engines (Kid,
Genshi, etc.). This change allows template engines that can take filename
paths to function properly. Fixes #233.
* WARNING: The pylons.util.get_prefix(environ) function is deprecated. Please
environ.get('SCRIPT_NAME', '')
instead (the get_prefix function is used in the default ErrorController).
Fixes #243.
* WARNING: The paths dictionary's 'root_path' has moved to the less
redundant 'root'.
* Fixed the Error Documents/EvalException css referencing non-existent images.
Thanks Shannon -jj Behrens. Fixes #238.
* Added ability to pass _code option to specify the status code type for
* Fixed redirect_to to not copy all headers into redirect for old _response
usage. Fixes #268.
* Added logging statements throughout Pylons code, added logging setup to
default template. Fixes #98.
* Refactored global response to be setup in wsgiapp along with the other
globals. Updated WSGIController to copy in global response headers and
cookies into a WSGI app's output.
* Added global pylons.response object. Thanks Shannon -jj Behrens and Damjan
Georgievski. Fixes #268 and #201.
* Updated default project template files for new configuration layout. Options
to handle config now just in, and handling just
middleware. Fixes #203.
* Removing mako tests, as its now the default. Default test changed from
Myghty to Mako.
* Changing default templating to mako.
* Added the https decorator. It requires an action to be loaded via
https. Patch by ido. Fixes #241.
* Added upgrade instructions, and posted a copy on the wiki. Fixes #230.
* Added deprecation warnings for usage of the Pylons Controller class, all
controllers should inherit from WSGIController instead. Fixes #239.
* Removed deprecated attach_locals function from Controller class.
* Added an authenticate_form decorator for use with WebHelpers'
secure_form_tag functions for preventing CSRF attacks. Original patch
by David Turner. Fixes #157.
* Fix Buffet's include_pylons_variables not being upheld. Thanks Jonathan
* The validate decorator now accepts extra keyword arguments (**htmlfill_kwargs)
to pass along to formencode's htmlfill.render function.
* Removed POST-only restriction on validate decorator, now handles GET
requests. No form arg required during a GET request, which will run the
current action with c.form_errors set to the errors. Fixes #246.
* Added PylonsConfig, which gets accessed as pylons.config dict. Contains
all the merged ini options, in addition to the Config options such as
'', 'pylons.paths', 'buffet.template_options', etc. Check the
pylons.config docs on PylonsConfig for dict keys populated by it.
* Split up resolution stages in wsgiapp, so that controller lookup is a
separate function making it easier to subclass. PylonsApp now takes a
base_wsgi_app argument which is then used for the BaseWSGIApp instead of the
one from
* Added mako template render tests.
* Added storage of the action func used to handle a call, for later code that
might need a reference to the action that originally handled the request.
Fixes #253.
* Updated config object to optionally take a single merged conf dict, updated
project templates to pass around the single merged conf dict.
* Changed project template to use new Beaker session keys.
* Changed default routing for raw template matching to not unicode decode the
route argument. Fixes #242.
* Catch any exceptions raised by template engine entry points and emit a
warning instead of crashing. Thanks markbradley. Fixes #249
* Fixed the validate decorator not working with formencode's
CompoundValidators when variable_decode=False. Fixes #209.
* Fixed the validate decorator failing with a KeyError when no value is
specified to validate against for separate validators (as opposed to a
schema). Reported by Graham Stratton.
* Fixed paster shell not merging app_conf and global_conf into the main CONFIG
dict namespace. Original patch by David Smith. Fixes #244.
* Added logging to decorators. Refs #98.
* Fixed paster restcontroller to test for lib.base and only add that import
statement when its present. This fixes the restcontroller template when used
with minimal Pylons project templates. Fixes #237.
* Fixed the EvalException debugger showing broken links and buttons when the
app's ErrorController was broken (such as when BaseController's __before__
raises an exception). Suggested by Ian Bicking. Fixes #228.
* paster create now accepts a 'template_engine' option to setup the new
project's default template engine. E.g. to create a new project that
uses Genshi by default, use:
paster create --template=pylons mygenshiproj template_engine=genshi
Suggested by Ian Bicking. Fixes #141.
* Fixed the validate decorator triggering the following error with
FormEncode>=0.7 and non-ascii rendered form content:
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 10:
ordinal not in range(128) the form was passed in as an encoded string, but
some data or error messages were unicode strings; the form should be passed
in as a unicode string
Reported by Christoph Haas.
* HTTPExceptions are now converted to Response objects (for __after__),
making the httpexceptions middleware no longer required.
* Added Warning to jsonify to warn about cross-site attacks when returning
a list as the outer-most element to jsonify. Fixes #232.
* Fixed beaker_cache decorator to take optional keyword arguments intended
for the backend cache container (such as url for memcached).
* Fixed paster controller assuming the minimal template was in use when
the lib.base module existed but raised an exception.
* Fixed bug in XMLRPC Controller not setting proper Content-Type. Fixes #236.
* Added the '-d' ('--disable-ipython') option to paster shell for
disabling IPython.
* Allow creation of controllers named 'setup' via paster controller.
Reported by Matt Good.
* Added support for generic arguments to SQLAlchemy's create_engine of
the form sqlalchemy.* from the PasteDeploy config file.
0.9.5 (Apr 11th, 2007)
* Fixed a Python 2.3 incompatibility with paster shell, causing the
File "Pylons-0.9.5-py2.3.egg/pylons/", line 357, in command
locs.update([(name, getattr(base, name)) for name in base_public])
AttributeError: keys
* Fixed paster shell breaking for projects where the base package was not
the first package listed in top_level.txt. Patch from Alberto Valverde.
Fixes #229.
* Fixed doc references to config['app_conf']. Fixes #116.
* Changed `get_engine_conf` to properly evaluate sqlalchemy echo statement
when its 'debug'. Fixes #226.
* make_session and create_engine now accept keyword arguments to pass to
SQLAlchemy's create_engine.
* make_session now accepts the keyword argument 'session_kwargs' to pass
to SQLAlchemy's create_session.
* Fixed _inspect_call to call function with keyword arguments instead of list
args. Corrects issue with action defaults that caused the value for the
latter args to be in the wrong spots. Spotted by Topher. Fixes #223.
* Added the allow_none option (passed to xmlrpc.dumps) to XMLRPCController.
Suggested by Jaroslaw Zabiello.
* Updated XMLRPC Controller with patch for name lookup and additional unit
tests for the patch. Fixes #216.
* Updated docs for validate decorator to more clearly illustrate what the
post_only args apply to. Fixes #221.
* Added ability to return strings in the WSGIController. Fixes #218.
* Added lazy i18n translation functions. Patch from David Smith. Fixes #181.
* Added fix for XMLRPCController system.methodHelp function and unit test.
Patch and unit test submitted by Graham Higgins.
* Fixed bug in validate decorator with new UnicodeMultiDict response content
not properly retaining form content as unicode for formencode's htmlfill.
* Fixed bug in XMLRPC Controller with xmlrpclib Faults not being properly
transformed into a WSGI response within the controller.
* WARNING: Pylons now requires the decorator module: it no longer packages
it as pylons.decorator. Code relying on the pylons.decorator.decorator
function will trigger a deprecation warning and should be changed to use
* WARNING: pylons.h was deprecated for using projects' lib.helpers module
directly in 0.9.3. pylons.h is now formally deprecated (emits
DeprecationWarnings). Projects still accessing pylons.h must change the
following import:
from pylons import h
import MYPROJ.lib.helpers as h
* pylons.jsonify and pylons.Controller references have been deprecated
(they are misplaced references). They continue to be available at
pylons.decorators.jsonify and pylons.controllers.Controller, as they always
have been.
* Updated templating Buffet to recognize format parameter and properly pass it
to the template engine.
* Updated LICENSE for new year and to indicate license covering templates
generated. Fixes #188.
* Interactive debugger now supports Mako. After r1780 if you are using a
custom theme you will need to change '%(myghty_data)s' to
'%(template_data)s' in your template. If you are using JavaScript the tab
id is now "template_data".
* Fixed bug in WSGIController with private function attempts not returning a
valid WSGI response.
* Added full unit test coverage of cache decorator.
* Adding messages binary file, enabling i18n unit tests. Updating pylons.i18n
to import LanguageError. Fixes #193.
* Adding i18n tests, not active yet as they're waiting on a binary file from a
patch. Refs #193.
* Updated tests so that they now work with nose, removing py.test requirement.
* Switching config setup to load keys into main config dict with app_conf and
global_conf keys set for any code looking for those keys. Fixes #116.
* PylonsInstaller is now the default paste.app_install entry point for new
projects: this makes Cheetah no longer required for the paster make-config
command. (Thanks Alexander Schremmer, Ian Bicking)
* Added custom redirect_to function in pylons.helpers that will take an
optional _response arg to pull headers and cookies out for preservation
during a redirect. Fixes #136.
* Changed config.Config.__init__ to take all options as keyword args so
unused args can be skipped. Fixes #162.
* The request object can now automatically decode GET/POST/params vars to
unicode, when its charset attribute is set.
* Added a new request_settings keyword arg to Config's constructor. Allows
setting the default charset and errors values of of the request object.
* Deprecated Config constructor's default_charset keyword arg. Use Config's
response_settings keyword arg instead.
* Fixed paster controller to test for lib.base and only add that import
statement when its present. This fixes the controller template when used with
minimal Pylons project templates. Fixes #140 and fixes #139.
* Fixed the paster shell error: KeyError: 'pylons.routes_dict' when calling
app.get and
* Fixed paster shell not working on projects with names containing hyphens.
* Fixed the config directive 'sqlalchemy.echo' set to False being interpreted
as True. Patch by Alex Conrad.
* Fixed paster shell not restoring CONFIG['global_conf']. (Jan. 5th, 2007)
* Added restcontroller command that generates a RESTful controller template
and provides the appropriate map.resource command to add. Suggested by
Matthew Scott.
* Fixed SQLObject pylons.database.PackageHub error:
exceptions.NameError: global name 'CONFIG' is not defined
* Fixed pylons.database.session_context not working outside of requests
(such as in
* Updated template options config to take template options for multiple
engines for less binding to Myghty.
* Fixed paster shell incorrectly importing the the tuple (model,) as the
model object.
0.9.4 (Dec. 29th, 2006)
* WARNING: Removed the lang_extract and lang_compile commands. They used and its associated, which lacked the ability to
extract ngettext style function calls and had issues with unicode strings.
The new I18NToolBox project aims to provide this functionality (and more)
via the gettext command line utilities.
* All Pylons special objects are now available within paster shell (not just
h and g).
* WARNING: Myghty's allow_globals config var has changed, causing the
following when running pre-compiled templates:
Error(TypeError): do_run_component() takes exactly 13 non-keyword
arguments (5 given)
Delete the compiled Myghty templates directory (specified by cache_dir or
myghty_data_dir in the config file) to resolve the error.
* Changed i18n functions in templates to use proxy objects so that using
set_lang in a template works right. Fixes #153.
* Now allowing any template plugin to overwrite global PYLONS_VARS (such as c,
g), not just pylonsmyghty.
* Adding SQLAlchemy support to the file. Saves the session engine
to g to maintain it during the apps lifetime. Uses SessionContext plugin for
management of the current session.
* Updated config object so that init_app can take an optional template engine
argument to declare the default template engine.
* Updated Myghty plugin to use extra_vars_func when passed in.
* Fixed Buffet to use extra_vars_func properly.
* Fixed the validate decorator when there are validation errors and
variable_decode=True: now passing the original params to htmlfill.render
instead of the varable_decode'd version. Patch by FlimFlamMan.
* Added ungettext function for use with pluralized i18n, and the N_ function
(gettext_noop) to mark global strings for translation. Added ungettext, N_
and translator objects to be globals for templates. Refs #126.
* WARNING: The localization function '_' now uses ugettext (returns unicode
strings) instead of gettext. To preserve the old behavior, append the
following line to your project's lib.base and lib.helpers imports:
from pylons.helpers import gettext as _
* Pylons special objects are now available within the interactive debugger
(deprecating _attach_locals).
* Added setup-app run before unit tests run so that webapp has proper setup
tasks handled. Fixes #113.
* Added paste.deploy.CONFIG setup to, and testing
files in the Pylons project templates. Closes #112.
* Added security policy doc to index for use as Pylons security policy.
Closes #91.
* Improved the repr() of the c context object to show attributes.
* Set environ['paste.testing_variables'] whenever that key is available, not
just in testing mode.
* Added capability to have an action be a generator function.
* Added introspection capability to XMLRPCController and signature checking.
* Updated Controller to use additional arg lookup scheme so that the source of
the function args for _inspect_call can be easily overridden.
* Updated RPCController, renamed to XMLRPCController. XMLRPCController now
functions properly and will automatically return proper xmlrpc responses.
* Added test configuration ini file to default template. Closes #114.
* Fixed problem with pylons.database.PackageHub.__get__ raising errors
other than AttributeError when the database isn't configured. Added
new UnconfiguredConnectionError exception, instead of just KeyError
or TypeError (depending on what part of the configuration failed).
* Fixed default g init, since bare object has no init method. Reported by Ian
* Fixed issue with SQLObject method override having wrong name. Reported by
climbus with patch. Fixes #133.
* Moved log function to pylons.helpers and translation functions to
pylons.i18n. using pylons.util purely for Pylons internal util functions.
* WARNING: Removed 0.8.x legacy code and backwards compatibility functions.
* PylonsApp now has option to not use Routes middleware, default resolving
uses new routing_args spec.
* Refactored routes dispatching to use new Routes middleware.
* Fixed paster shell command to properly acquire mapper object without
relying on the template being configured in a specific manner.
* Added keyword argument pool_connection to
pylons.database.PackageHub; if set to false then SQLObject connections
won't use pooled database connections (a new connection will be
opened for each request).
0.9.3 (Nov 1st, 2006)
* Updated project template to support full_stack option to make it easier to
use Pylons apps within larger WSGI stacks.
* Added deprecation warnings to legacy objects and for 1.0 functionality that
will change.
* Added cache decorator and Cheetah template functional tests. Patch and unit
tests provided by Climbus.
* Fixed readline support in the stock interactive console paster shell.
Reported by Alex Conrad.
* A controller's __after__ method will now be called after actions invoke
redirect_to (or raise any HTTPException). Reported by David Turner.
* Fixed config to use myghty_data_dir instead of cache_dir setting if its
set as well. Reported by Shannon -jj Behrens.
* Added traceback hiding so that more of the traceback relating to Pylons code
is removed from the default traceback making it easier to focus on the code
in an app that actually caused the problem. Closes #119.
* Added ability to use '_' translation method directly from templates and in
the controller without having to use it under h._.
* Added 's' and 'l' Myghty escaping flags to default project templates.
Suggested by Jamie Wilkinson. Closes #110.
* Fixed SCGI bug with QUERY_STRING test when WSGI states it doesn't have to
exist. Reported by Riklaunim.
* Added pylons_minimal template, prone to fine-tuning.
* Added option for PylonsApp to take a globals object to avoid checking a
hardcoded path for a Globals object.
* Removed old Helpers legacy object entirely, replaced pylons.h with proper
StackedObjectProxy. Cleaned up PylonsApp and PylonsBaseApp to accept a
helpers reference so that Pylons can be ignorant of where the helpers came
* Fixed bug with lang app_conf option being set improperly. Reported
by Laurent.
* Fixed pylons.h to work proper with new and old-style helper imports.
* Fixed render functions always passing disable_unicode=False to Myghty.
0.9.2 (Sept. 7th, 2006)
* Fixed problem with dashes in controller names, resolves #107.
* Updated default ini file to use localhost from address. Refs #104.
* Updated default development.ini to use a single cache_dir setting which
is the base dir that cache files, session files, and template caching will
be saved in. Config object now looks to cache_dir setting properly for
Myghty templates. Fixes #104.
* Updated default template controller to provide better example of directly
serving Myghty templates.
* Fixed legacy (0.8) controller methods' **ARGS (also m.request_args and
pylons.params) to be of the expected mixed dictionary instead of MultiDict.
* Fixed _attach_locals not attaching g and cache objects.
* Added g object to the shell. Works as long as the Pylons app can respond
to a path of '/'. The pylons.g variable will also be setup properly for
use in the shell.
* Myghty template options are now passed properly to the template creation, and
allow_globals now works to add Myghty template globals.
* Re-organized helpers, switched Helpers class to use static methods to reduce
code duplication.
* Helpers cleanup:
- Old-style Helper object uses StackedObjectProxy just like the new
scheme, thus avoiding possible WSGI stack issues.
- New project templates use new-style Helpers scheme.
- Updated wsgiapp to utilize new Helpers cleanup style. The 'h' object
is now friendlier to use, and maps directly to a projects lib.helpers
file. No more wacky Helpers object proxying to it.
- Added translator global to for use with new Helpers cleanup.
- Copied Helpers function methods directly into util so they can be used
- Deprecated h.lang (for h.set_lang/h.get_lang)
* Moved the 'default_charset' option from PylonsApp's constructor to
* Added 'error' controller route to the top of the Pylons template to avoid
the common issue people discover when removing the generic default route.
* Changing validate decorator to have variable_decode option, which will
also run formencode's variable_decode function over the form input.
* Switched to using Context obj classes instead of RequestLocal which is
being phased out.
* Added an 'encode_variables' option to the validate decorator.
* Switched all current_obj calls to _current_obj to avoid triggering
deprecation warnings.
* Added is_xhr to Request object in Paste.
* Bumping up dependency to latest Paste.
* Switching back to prior controller import check, throwing a more detailed
error with a suggest fix should the user really want a URL with that name
in it. (refs #67)
* Fixes bug with prior fix for #67. Wasn't properly testing the full package
name to include the current project which would incorrectly restrict
valid controller names (refs #67).
* Fixed '_method_' checking to test in a more efficient manner.
* Added deprecation warning for legacy mode activation. Not necessary to
update multiple files, as all of legacy mode is enabled via the Legacy
WSGI app. Fixes #89.
* Fixed controller command to check controller name and refuse to create
controllers that have name clashes with existing modules that could be
imported. Reported (with patch) by Chuck Adams. Fixes #67.
* Added capability for 'c' object to throw an exception when an attribute
is used that doesn't exist. Closes #84.
* Fix for endless error document call when an error document controller
wants to throw a error that the error_mapper catches.
0.9.1 (August 11th, 2006)
* Fixed __all__ export typo in Added example of render
with a template.
* Fixed issue with set_lang not using proper CONFIG var.
* Minor tweaks to update docs in pylons.helpers and move remaining legacy
code into legacy module. Updated wsgiapp to refer to new locations of
legacy compatibility objects.
* The interactive debugger's 'full traceback' link is now only displayed
when the full traceback differs from the regular (includes hidden
* Providing an optional text version of exception tracebacks and the
associated extra data within the interactive debugger.
* The 'Debug at: http://hostname/_debug/view/XXXXX' URLs now display the
interactive debugger properly skinned.
* Fixed issue in PasteScript with new controller sub-directories lacking a file. This fixes an import error when using the controller.
PasteScript dependency updated to fixed version. Reported by Artur Lew.
* Removed lowercasing of the module name during resolver import.
* Removed [full] recommendation from docs.
0.9 (July 28th, 2006)
* config file option 'debug' now defaults to false when undefined
* Removed the components directory from the template
* Updated paste.errordocuments support
* Fix for multi-word controller names such that front_page /
FrontPageController can be used as a controller name. Patch contributed
by Timo Mihaljov.
* Cleaned up imports in wsgiapp and new project to better reflect where
things really come from.
* Removed unnecessary myghty usage from wsgiapp for url unescaping, now
uses urllib as the myghty function did.
* Removing 'response' to import, sticking with Response as its more
consistent with the fact that Response is a class/factory and not an
instance like request, and the other lower-case objects.
* Added redirect_to under pylons.helpers, and added import from helpers
directly into lib/ for use in controllers.
* Consolidated legacy objects into legacy module.
* Adding abort method that raises the appropriate exception for the status
* Removing form_fill, obsolete by the validate decorator.
* Relocated 'params' object to only take effect in legacy mode.
* Updated Pylons template to use WSGIController as the new default Controller.
* Altered the wsgi dispatch to examine the controller, and instantiate it if
it's just a class. Otherwise, if the controller is a subclass of Controller
but not of WSGIController, it assumes its an older Controller class that
may return a WSGIResponse, and calls it appropriately.
* Dispatch now fixes up environ to move 'path_info' Route var into the WSGI
PATH_INFO, and the rest is pushed into SCRIPT_NAME. This is for use with
other WSGI apps under controller mount points.
* Added WSGIController which takes a normal WSGI interface call and returns
the appropriate WSGI response.
* Added automatic copying of Route variables declared in an action's
function definition to the 'c' object.
* WebHelpers' .js files are now automatically published under the
'/javascripts/' URL path. Individual WebHelpers' .js files can be
overridden by other .js files inside the project's 'public/javascripts'
* Added exception toss when a template engine doesn't exist.
* Added alias option to Buffet to support aliasing more template engines
to other engine names
* Buffet enhancements to support caching of any template with any template
* All render commands processed through Buffet
* Backwards compatibility 'm' object for use with legacy projects
* Added use of Beaker middleware for session and caching functionality
* Fixed error traceback and updated template to use proper error images and
0.8.2 (**dev**)
* Fixed default controller to allow for actions with - in them. The - will be
replaced with an underscore, while the original action name in the mapper
dict is unchanged. Patch by Thomas Sidwick.
0.8.1 (May 10th, 2006)
* Added REST decorators and re-arranged decorator layout to support more styles
of decorators for future expansion.
* Fixed dependency requirement bug that had Pylons locked to simplejson 1.1
even though a newer version was out.
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