Deform
======
.. image:: https://github.com/Pylons/deform/workflows/Build%20and%20test/badge.svg?branch=2.0-branch
:target: https://github.com/Pylons/deform/actions?query=workflow%3A%22Build+and+test%22+branch%3A2.0-branch
:alt: Build Status
.. image:: https://img.shields.io/pypi/v/deform
:target: https://pypi.org/project/deform/
:alt: Current Release
.. image:: https://readthedocs.org/projects/deform/badge/?version=latest
:target: https://docs.pylonsproject.org/projects/deform/en/latest/
:alt: Latest Documentation Status
.. image:: https://img.shields.io/pypi/pyversions/deform
:alt: Python Support
.. contents:: :local:
Introduction
------------
Deform is a Python form library for generating HTML forms on the server side.
`Date and time picking widgets <https://deformdemo.pylonsproject.org/datetimeinput/>`_,
`rich text editors <https://deformdemo.pylonsproject.org/richtext/>`_, `forms with
dynamically added and removed items
<https://deformdemo.pylonsproject.org/sequence_of_mappings/>`_ and a few other `complex
use cases <https://deformdemo.pylonsproject.org/>`_ are supported out of the box.
Deform integrates with the `Pyramid web framework <https://trypyramid.com/>`_
and several other web frameworks. Deform comes with `Chameleon templates
<https://chameleon.readthedocs.io/en/latest/>`_ and `Bootstrap 3
<https://getbootstrap.com/docs/3.3/>`_ styling. Under the hood, `Colander schemas
<https://github.com/Pylons/colander>`_ are used for serialization and
validation. The `Peppercorn <https://github.com/Pylons/peppercorn>`_ library
maps HTTP form submissions to nested structure.
Although Deform uses Chameleon templates internally, you can embed rendered
Deform forms into any template language.
Use cases
---------
Deform is ideal for complex server-side generated forms. Potential use cases
include:
* Complex data entry forms
* Administrative interfaces
* Python based websites with high amount of data manipulation forms
* Websites where additional front end framework is not needed
Installation
------------
Install using `pip and Python package installation best practices <https://packaging.python.org/tutorials/installing-packages/>`_::
pip install deform
Example
-------
`See all widget examples <https://deformdemo.pylonsproject.org>`_. Below is a sample
form loop using the `Pyramid <https://trypyramid.com/>`_ web framework.
.. image:: https://github.com/Pylons/deform/raw/master/docs/example.png
:width: 400px
Example code:
.. code-block:: python
"""Self-contained Deform demo example."""
from __future__ import print_function
from pyramid.config import Configurator
from pyramid.session import UnencryptedCookieSessionFactoryConfig
from pyramid.httpexceptions import HTTPFound
import colander
import deform
class ExampleSchema(deform.schema.CSRFSchema):
name = colander.SchemaNode(
colander.String(),
title="Name")
age = colander.SchemaNode(
colander.Int(),
default=18,
title="Age",
description="Your age in years")
def mini_example(request):
"""Sample Deform form with validation."""
schema = ExampleSchema().bind(request=request)
# Create a styled button with some extra Bootstrap 3 CSS classes
process_btn = deform.form.Button(name='process', title="Process")
form = deform.form.Form(schema, buttons=(process_btn,))
# User submitted this form
if request.method == "POST":
if 'process' in request.POST:
try:
appstruct = form.validate(request.POST.items())
# Save form data from appstruct
print("Your name:", appstruct["name"])
print("Your age:", appstruct["age"])
# Thank user and take him/her to the next page
request.session.flash('Thank you for the submission.')
# Redirect to the page shows after succesful form submission
return HTTPFound("/")
except deform.exception.ValidationFailure as e:
# Render a form version where errors are visible next to the fields,
# and the submitted values are posted back
rendered_form = e.render()
else:
# Render a form with initial default values
rendered_form = form.render()
return {
# This is just rendered HTML in a string
# and can be embedded in any template language
"rendered_form": rendered_form,
}
def main(global_config, **settings):
"""pserve entry point"""
session_factory = UnencryptedCookieSessionFactoryConfig('seekrit!')
config = Configurator(settings=settings, session_factory=session_factory)
config.include('pyramid_chameleon')
deform.renderer.configure_zpt_renderer()
config.add_static_view('static_deform', 'deform:static')
config.add_route('mini_example', path='/')
config.add_view(mini_example, route_name="mini_example", renderer="templates/mini.pt")
return config.make_wsgi_app()
This example is in `deformdemo repository <https://github.com/Pylons/deformdemo/>`_. Run the example with pserve::
pserve mini.ini --reload
Status
------
This library is actively developed and maintained. Deform 2.x branch has been used in production on several sites since 2014. Automatic test suite has 100% Python code coverage and 500+ tests.
Projects using Deform
---------------------
* `Websauna <https://websauna.org/>`_
* `Kotti <http://kotti.pylonsproject.org/>`_
* `Substance D <http://www.substanced.net/>`_
Community and links
-------------------
* `Widget examples <https://deformdemo.pylonsproject.org>`_
* `PyPI <https://pypi.org/project/deform/>`_
* `Issue tracker <https://github.com/Pylons/deform/issues>`_
* `Widget examples repo <https://github.com/Pylons/deformdemo/>`_
* `Documentation <https://docs.pylonsproject.org/projects/deform/en/latest/>`_
* `Support <https://pylonsproject.org/community-support.html>`_
.. _2.0.15:
2.0.15 (2020-12-10)
-------------------
Features and Fixes
^^^^^^^^^^^^^^^^^^
- Add support of Python 3.8 and 3.9.
- Added a new widget ``SelectizeWidget`` based on the jQuery plugin
`selectize.js <https://github.com/selectize/selectize.js>`_. [stevepiercy]
https://github.com/Pylons/deform/issues/260
- Improved handling of the ``readonly`` HTML attribute in certain widgets. The
``readonly`` HTML form control attribute makes the element not mutable,
meaning the user cannot edit the control. When ``"readonly": "readonly"`` is
one of the items in a dict passed into the ``attributes`` option when
creating a widget, the rendered widget both prevents the user from changing
the value, and if the form does not pass validation after submitted then the
field value will be displayed.
``readonly`` is supported by most form controls, but not all. Deform adds
some logic to add read-only support for a few of those form controls, as
described below.
``CheckboxWidget`` and ``CheckboxChoiceWidget``
Due to the nature of how checkbox values are processed, the ``readonly``
attribute has no effect.
To achieve a read-only behavior, pass in ``attributes={"onclick": "return
false;"}``.
This will render as an inline JavaScript ``onclick="return false;"`` for
each checkbox item.
``MoneyInputWidget``
The provided value will be displayed in the input and be not editable.
``RadioChoiceWidget``
For the selected value it will render an attribute in the HTML as
``readonly="readonly"``, and for all other values as
``disabled="disabled"``.
``SelectWidget``
For selection of single options only, the selected value will render an
attribute in the HTML as ``readonly="readonly"``, and for all other values
as ``disabled="disabled"``.
Multiple selections, set by the ``multiple=True`` option, do not support
the ``readonly`` attribute on the ``<select>`` element.
For multiple selections, use the ``SelectizeWidget``.
``SelectizeWidget``
For both single and multiple selections, the selected value or values will
be rendered as selected, and the others will not be selectable.
Selectize uses JavaScript to "lock" the form control.
``TextAreaWidget``
The provided value will be displayed in the input and be not editable.
``TextInputWidget``
The provided value will be displayed in the input and be not editable.
[stevepiercy]
https://github.com/Pylons/deform/issues/260
- Optionally bypass the resource registry and specify a resource as a dict
where its keys are the type of asset (``"js"`` or ``"css"``) and its values
are either a string or a list of strings of paths to assets on disk.
[tdamsma]
https://github.com/Pylons/deform/issues/485
- Conditionally load ``jquery.maskedinput`` if and only if ``mask`` option is
provided. [tisdall, stevepiercy]
https://github.com/Pylons/deform/pull/487
- Changed dateparts widget to use ``type="number"`` instead of default
``text``. [stevepiercy]
https://github.com/Pylons/deform/issues/442
- Clarify that a sequence type (list, tuple, or x/range) is required for values
passed into a ``SelectWidget`` or ``RadioChoiceWidget``. [stevepiercy]
https://github.com/Pylons/deform/issues/385
- Switch from using nosetests to pytest as the test runner, as nosetests is no
longer maintained. [stevepiercy]
https://github.com/Pylons/deform/pull/497
https://github.com/Pylons/deform/pull/498
- Switch from Travis-CI and Appveyor to GitHub Actions, due to Travis-CI
changing its plans to be ineffective for the Pylons Project. [stevepiercy]
https://github.com/Pylons/deform/pull/492
https://github.com/Pylons/deform/pull/495
- Add Docker containerization of Deform and deformdemo as an option for running
tests, and improve related documentation. [sydoluciani]
https://github.com/Pylons/deform/pull/493
https://github.com/Pylons/deform/pull/494
Deprecations
^^^^^^^^^^^^
- Drop support of Python 3.5.
- ``Select2Widget`` is now deprecated and will be removed in Deform 3.0.0
because its jQuery plugin Select2 removed a lock feature in v4.0.0 and its
future development is uncertain. [stevepiercy]
https://github.com/Pylons/deform/issues/260
Documentation
^^^^^^^^^^^^^
- Add documentation of arbitrary HTML5 attributes for all widgets.
[stevepiercy]
https://github.com/Pylons/deform/issues/430
- Add usage documentation of ``Date``, ``DateTime``, and ``Time`` widgets. Add
documentation reference to complex data loading, changing widgets, or
validating data to Colander. [stevepiercy]
https://github.com/Pylons/deform/pull/466
.. _2.0.14:
2.0.14 (2020-08-26)
-------------------
- Field.validate() now raises ``ValidationFailure`` upon peppercorn parse
failure.
See https://github.com/Pylons/deform/pull/242
- Bump maskMoney.js to 3.1.1 and use minified version.
https://github.com/Pylons/deform/issues/412
.. _2.0.13:
2.0.13 (2020-08-25)
-------------------
- ``richtext.pt``: The contents of the ``RichTextWidget``'s <textarea>
was not HTML-escaped, but now it is.
Note that unescaped content is still rendered if ``delayed_load`` is
enabled. Now, however, to avoid rendering unescaped non-validated
user input, ``delayed_load`` is ignored when redisplaying a field
containing an error.
See https://github.com/Pylons/deform/pull/204
- This time, *really* update select2 widget to version 4.0.13.
See https://github.com/Pylons/deform/pull/459
.. _2.0.12:
2.0.12 (2020-08-23)
-------------------
- Update select2 widget to version 4.0.13.
See https://github.com/Pylons/deform/pull/441
- Add the ``structure`` keyword to the autocomplete template's options to stop
its encoding.
See https://github.com/Pylons/deform/pull/445
- Use the local HTML element for change event when removing/adding to DOM.
See https://github.com/Pylons/deform/pull/331
- Fix deprecation warning when importing the module ``field.py`` while testing
with pytest.
See https://github.com/Pylons/deform/pull/419
- Fix a bug that was introduced in 2.0.11 that made it such that the ``focus``
parameter on forms did not honor the ``off`` value for ``checkboxChoice`` and
``radioChoice`` widgets.
See https://github.com/Pylons/deform/pull/453
- Remove the unused variable ``namematch`` from deform.js.
See https://github.com/Pylons/deform/pull/454
- Add i18n domain and Bootstrap styles to template ``readonly/password.pt``.
See https://github.com/Pylons/deform/pull/237
.. _2.0.11:
2.0.11 (2020-08-21)
-------------------
- Drop support of Python 3.4.
- Changed the implementation of input autofocus from JavaScript to an HTML5
input attribute.
Forms now have an optional ``focus`` parameter (``on`` or ``off``) and fields
have an optional ``autofocus`` parameter.
- If ``focus`` is ``on``, and at least one field has an ``autofocus``
schema parameter set to ``on``, the first of these fields will
receive focus on page load.
- If ``focus`` is ``on`` or omitted, and no field has an
``autofocus`` schema parameter set to ``on``, the first input of
the first form on the page will receive focus on page load.
- If ``focus`` is ``off``, no focusing will be done.
Default: ``on``.
(This is unchanged from the JavaScript implementation.)
See https://github.com/Pylons/deform/pull/365/
- Replace the flake8-isort plugin with plain old isort.
See https://github.com/Pylons/deform/pull/427
- Improved the script that launches Selenium webdriver to clean up the locale
directory after completing a run of functional tests so that its files do not
get committed by accident. We also enforce coding style and add a formatter,
and improved the contributing documentation.
See https://github.com/Pylons/deform/pull/428
- Updated Bootstrap to 3.4.1.
.. _2.0.10:
2.0.10 (2020-07-03)
-------------------
- Correct release date.
.. _2.0.9:
2.0.9 (2020-07-03)
------------------
- Added CSRF test to pass coverage on schema.py.
See https://github.com/Pylons/deform/pull/403
- Modified the DateTimeInputWidget to use HTML5 date/time input types on
browsers that support it.
See https://github.com/Pylons/deform/pull/406
- Add new translations for Swahili (sw_KE) locale.
See https://github.com/Pylons/deform/pull/409
- Add boolean HTML attributes per Chameleon 3.8.0.
All checkboxes, radios, and selects that use boolean HTML attributes
(selected, checked, etc.) previously used `literal_false` and would drop any
`False` value from rendering as an HTML attribute. In Chameleon 3.8.0,
`literal_false` is removed and must instead use `boolean_attributes` to set
defaults.
See https://github.com/Pylons/deform/issues/417
.. _2.0.8:
2.0.8 (2019-10-07)
------------------
- Add HTML5 attributes to buttons.
See https://github.com/Pylons/deform/pull/390
2.0.7 (2018-11-14)
------------------
- Add `tags` option support to `Select2Widget`
See https://github.com/Pylons/deform/pull/373
- Change Python 3.7 to use stable version, 3.8-dev as allowed failure, in
Travis.
See https://github.com/Pylons/deform/pull/377
- Update Bootstrap to 3.3.7.
- Add support for HTML5 attributes (e.g. including placeholder and maxlength)
See https://github.com/Pylons/deform/pull/345
2.0.6 (2018-08-29)
------------------
- Drop Python 3.3 support.
See https://github.com/Pylons/deform/pull/371
- Add support to Python 3.7.
- Make date_submit and time_submit optional in DateTimeInputWidget
See https://github.com/Pylons/deform/pull/369
- Remove pinning of iso8601 to 0.1.11
See https://github.com/Pylons/deform/pull/364
- i18n cleanup https://github.com/Pylons/deform/pull/367 and https://github.com/Pylons/deform/pull/368
2.0.5 (2018-02-20)
------------------
- i18n cleanup https://github.com/Pylons/deform/pull/332 and https://github.com/Pylons/deform/pull/363
- Fix bug in ``_FieldStorage`` under Python 3.x (issues #339 and #357).
- Declare Python 3.6 compatibility and enable tests against Python 3.6 (all tests pass with no changes).
- Closes #333: MANIFEST.in including docs, licenses and text files.
- Add ``link`` button type See https://github.com/Pylons/deform/issues/166
- Add traditional chinese localization
2.0.4 (2017-02-11)
------------------
- Added ability to pass a translator function to `deform.renderer.configure_zpt_renderer`
2.0.3 (2016-11-19)
------------------
- Added accordions to MappingWidget:
https://deformdemo.pylonsproject.org/mapping_accordion/
- Added CSS class ``deform-form-buttons`` to style form button group:
https://github.com/Pylons/deform/pull/308
- Add more options to ``TextAreaCSVWidget``:
https://github.com/Pylons/deform/pull/309
- Always render an item with a default CSS class:
https://github.com/Pylons/deform/pull/306
- Updated pickdate.js library used for the date picker:
https://github.com/Pylons/deform/pull/248
- Widget Selenium test suite runs both under Python 2 and 3.
Lots of Selenium testing headache fixed with some implicit wait support.
.. note::
Currently Python 3 file upload widget may have compatibility issues.
Please see ``deformdemo/test.py`` for details.
2.0.2 (2016-11-14)
------------------
- Fix regression of ``<select>`` widget default values not honoured
- Updated Select2 widget JavaScript
2.0.1 (2016-10-25)
------------------
- Drop support for Python 2.6.
- Documentation reorganization and clean up to conform with Pylons Project
projects.
- Fix select and select2 widget templates failing on Python 3.x
2.0 (2016-10-23)
----------------
- Release polish
2.0b3 (2016-10-22)
------------------
- Update demos and add standalone mini example
2.0b2 (2016-10-22)
------------------
- Fix README on PyPI
2.0b1 (2016-10-22)
------------------
- Updated bootstrap to 3.3.6.
- Fix dateparts.pt and datetimeinput.pt for changes in bootstrap v3.0.3.
(The culprit is boostrap commit
`853b69f <https://github.com/twbs/bootstrap/commit/853b69f2d>`_.)
- Make ``dateinput`` work again by using the fixed name "date" as expected
by the pstruct schema. See https://github.com/Pylons/deform/pull/221.
- Changed ``ISO8601_REGEX`` import to match change in colander
- Add support for Python 3.4, PyPy3.
- Raise ``Invalid`` rather than other errors when deserializing broken
or malicious pstructs with invalid types. See
https://github.com/Pylons/deform/pull/203
- Read a time widget.
- Fix a bug in the DateInputWidget. See
https://github.com/Pylons/deform/pull/192.
- Ensured that ``None`` would not show up as a css class name in rendered
template output. See https://github.com/Pylons/deform/pull/191
we now use dashed-names (e.g. ``deform-seq``). A full list of changes is
below::
Old New
deformClosebutton deform-closebutton
deformFileupload deform-file-upload
deformFormFieldset deform-form-fieldset
deformInsertBefore deform-insert-before
deformOrderbutton deform-orderbutton
deformProto deform-proto
deformReplaces deform-replaces
deformSeq deform-seq
deformSeqAdd deform-seq-add
deformSeqContainer deform-seq-container
deformSeqItem deform-seq-item
deformSet-item deform-set-item
errorMsg error-msg
errorMsgLbl error-msg-lbl
- Fixed handling of buttons in nested sequences.
See https://github.com/Pylons/deform/issues/197
- Upload widget is themed like Bootstrap https://github.com/Pylons/deform/pull/280
- Select widget handles the mixture of strings and ints https://github.com/Pylons/deform/pull/300/ and https://github.com/Pylons/deform/pull/299
- Have the button css_class override the default button class. This is
backwards-incompatible and will require users of css_class to add a
btn-default/btn-primary class to the css_class.
- Simplified Chinese translation https://github.com/Pylons/deform/pull/274
- Don't cause unnecessary JavaScript calls on page load https://github.com/Pylons/deform/pull/267/
- Allow override Button Bootstap CSS styles https://github.com/Pylons/deform/pull/251
2.0a2 (2013-10-18)
------------------
- ``PasswordWidget`` and ``CheckedPasswordWidget`` have grown an additional
argument/attribute named ``redisplay``, which controls what happens on a
validation failure of a form involving such a field. If ``redisplay`` is
``True`` (the default), the password will be re-rendered into the form when
the form is re-rendered after validation failure. If ``redisplay`` is
``False``, the password will not be re-rendered into the form. The default
is ``False``, which means that, as of this release, passwords will not
be redisplayed; this changes the default behavior wrt previous releases.
Values typed into password fields are not redisplayed by default during
validation failure, as a security measure (the value winds up in browser
history). Use ``PasswordWidget(redisplay=True)`` or
``CheckedPasswordWidget(redisplay=True)`` to make these widgets redisplay
passwords on validation failures, matching the old behavior.
- When using the default Chameleon template renderer, template names can now
be "asset specifications" e.g. ``mypackage:subdir1/subdir2/mytemplate.pt``
instead of extensionless paths relative to a search path. When
template names are specified as asset specifications, the
``pkg_resources.resource_filename`` API is used to dereference them
into an actual file path.
2.0a1 (2013-10-05)
------------------
This is an alpha release of Deform v2. Deform v2 is backwards incompatible
with Deform v1. It requires the use of Twitter Bootstrap v3, whereas
deform v1 did not require Bootstrap.
A demonstration site that shows Deform 2 in action exists at
https://deformdemo.pylonsproject.org.
Both Deform 1 and Deform 2 will be maintained going forward. If you wish
to continue using Deform 1, because you cannot upgrade, or cannot depend on
Bootstrap 3, please pin your deform distribution requirement to
something below 2.0a1, e.g. ``deform<=1.999``.
This first alpha release is missing formal documentation updates. Apologies,
we needed to get a release out onto PyPI, as not having one is holding back
the development of a number of platforms and applications that depend on the
changes in v2+. Documentation updates will be forthcoming over the lifetime
of future alpha/beta releases. However, below is a list of known issues that
need to be addressed to make a final release of Deform 2, as well as
information about new features, and migration notes. You may also be
able to make use of the demo site at https://deformdemo.pylonsproject.org to
divine how things have changed, and what CSS and JavaScript resources you'll
need to include in your pages to make use of this release.
TODO
- docs
- decide how to explain form.css (include in requirements or?)
- horizontal/inline forms + structural things
- assets for templates: deform should provide a tool to resolve that?
- placeholder support for all textual inputs (and required/maxlength
see also https://github.com/Pylons/deform/pull/116)
- display help-blocks for readonly fields?
- maybe readonly should be a property of the schema, not the widget.
- consider whether "style"/"css_class" on multi-input widgets should apply to
a container or each element.
- audit use of e.g. string:${css_class} so we don't see unexpected class="None"
in widget rendering output.
- some sort of test for mapping_item input_prepend/input_append
- Currently description shows up as both tooltip of label and as help-block.
Maybe make these two things separate or at least don't show them both using
the same value.
- normalize CSS class names to deform-foo rather than deformFoo
- sequence_of_sequences: js that processes close/order buttons has to
be less promiscuous (it uses e.g. "find"); symptom: buttons
appear/disappear, act on the wrong element, etc... ugh 2013/10/05
cannot replicate, but still believe there may be an issue, but
maybe iElectric fixed it
NICE TO HAVE
- structural widget (mapping_item.pt) - do we need that or not or what? +
add a demo
- prepend/append t.bootstrap stuff
- https://github.com/Pylons/deform/pull/116#issuecomment-23210460
- group demos by widget type
- handle ajax demo more UX friendly
- Put drag handles in panel headers: https://github.com/Pylons/deform/issues/180
NEW FEATURES:
- input_prepend/input_append in mapping_item widget.
- field.parent
- field.get_root
- inline attr of checkboxchoice and radiochoice widgets (see
https://github.com/Pylons/deform/pull/182)
- https://deformdemo.pylonsproject.org/
MIGRATION NOTES:
- removed deprecated `height, width, skin, theme` parameters from RichTextWidget
(use "options" instead)
- removed deprecated `render_initial_item` from SequenceWidget
- removed deprecated deform.Set (use colander.Set instead)
- DateInputWidget renamed parameter `dateFormat` to `format` (dateFormat
now unsupported).
- DateTimeInputWidget now renders as two fields: one for a date and one
for a time, using pickadate.
- We no longer bother trying to use the native datetimeinput widget on any
browser, because the support is so spotty.
- DateTimeInputWidget takes two options now: date_options and time_options
instead of a single options dictionary. The options are pickadate
date/time options respectively.
- It is no longer possible to do DateTimeWidget().options['a'] = 'foo'
or DateTimeWidget().date_options['a'] = 'foo'. If you need to change
options imperatively, set the entire .options/.date_options dictionary.
- merged TypeaheadInputWidget to AutocompleteInputWidget (removed delay
parameter)
- AutocompleteInputWidget now accepts string type for "values"
- widgets no longer accepts "size" (instead use style="width: x"), except
SelectWidget (it means the size of the dropdown)
- get_widget_resources now returns asset specifications rather than
deform-static-relative paths
- deform 2.0 requires users to manually load TB 3.0 and jquery 2.0
- required labels no longer insert an asterisk inside a <span class="req">
inside themselves. instead the label element has a required class
if the field is required; use form.css to display this as an asterisk.
- min_length of AutocompleteInputWidget now defaults to 1 (was 2)
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"description": "Deform\n======\n\n.. image:: https://github.com/Pylons/deform/workflows/Build%20and%20test/badge.svg?branch=2.0-branch\n :target: https://github.com/Pylons/deform/actions?query=workflow%3A%22Build+and+test%22+branch%3A2.0-branch\n :alt: Build Status\n\n.. image:: https://img.shields.io/pypi/v/deform\n :target: https://pypi.org/project/deform/\n :alt: Current Release\n\n.. image:: https://readthedocs.org/projects/deform/badge/?version=latest\n :target: https://docs.pylonsproject.org/projects/deform/en/latest/\n :alt: Latest Documentation Status\n\n.. image:: https://img.shields.io/pypi/pyversions/deform\n :alt: Python Support\n\n.. contents:: :local:\n\n\nIntroduction\n------------\n\nDeform is a Python form library for generating HTML forms on the server side.\n`Date and time picking widgets <https://deformdemo.pylonsproject.org/datetimeinput/>`_,\n`rich text editors <https://deformdemo.pylonsproject.org/richtext/>`_, `forms with\ndynamically added and removed items\n<https://deformdemo.pylonsproject.org/sequence_of_mappings/>`_ and a few other `complex\nuse cases <https://deformdemo.pylonsproject.org/>`_ are supported out of the box.\n\nDeform integrates with the `Pyramid web framework <https://trypyramid.com/>`_\nand several other web frameworks. Deform comes with `Chameleon templates\n<https://chameleon.readthedocs.io/en/latest/>`_ and `Bootstrap 3\n<https://getbootstrap.com/docs/3.3/>`_ styling. Under the hood, `Colander schemas\n<https://github.com/Pylons/colander>`_ are used for serialization and\nvalidation. The `Peppercorn <https://github.com/Pylons/peppercorn>`_ library\nmaps HTTP form submissions to nested structure.\n\nAlthough Deform uses Chameleon templates internally, you can embed rendered\nDeform forms into any template language.\n\nUse cases\n---------\n\nDeform is ideal for complex server-side generated forms. Potential use cases\ninclude:\n\n* Complex data entry forms\n\n* Administrative interfaces\n\n* Python based websites with high amount of data manipulation forms\n\n* Websites where additional front end framework is not needed\n\nInstallation\n------------\n\nInstall using `pip and Python package installation best practices <https://packaging.python.org/tutorials/installing-packages/>`_::\n\n pip install deform\n\nExample\n-------\n\n`See all widget examples <https://deformdemo.pylonsproject.org>`_. Below is a sample\nform loop using the `Pyramid <https://trypyramid.com/>`_ web framework.\n\n.. image:: https://github.com/Pylons/deform/raw/master/docs/example.png\n :width: 400px\n\nExample code:\n\n.. code-block:: python\n\n \"\"\"Self-contained Deform demo example.\"\"\"\n from __future__ import print_function\n\n from pyramid.config import Configurator\n from pyramid.session import UnencryptedCookieSessionFactoryConfig\n from pyramid.httpexceptions import HTTPFound\n\n import colander\n import deform\n\n\n class ExampleSchema(deform.schema.CSRFSchema):\n\n name = colander.SchemaNode(\n colander.String(),\n title=\"Name\")\n\n age = colander.SchemaNode(\n colander.Int(),\n default=18,\n title=\"Age\",\n description=\"Your age in years\")\n\n\n def mini_example(request):\n \"\"\"Sample Deform form with validation.\"\"\"\n\n schema = ExampleSchema().bind(request=request)\n\n # Create a styled button with some extra Bootstrap 3 CSS classes\n process_btn = deform.form.Button(name='process', title=\"Process\")\n form = deform.form.Form(schema, buttons=(process_btn,))\n\n # User submitted this form\n if request.method == \"POST\":\n if 'process' in request.POST:\n\n try:\n appstruct = form.validate(request.POST.items())\n\n # Save form data from appstruct\n print(\"Your name:\", appstruct[\"name\"])\n print(\"Your age:\", appstruct[\"age\"])\n\n # Thank user and take him/her to the next page\n request.session.flash('Thank you for the submission.')\n\n # Redirect to the page shows after succesful form submission\n return HTTPFound(\"/\")\n\n except deform.exception.ValidationFailure as e:\n # Render a form version where errors are visible next to the fields,\n # and the submitted values are posted back\n rendered_form = e.render()\n else:\n # Render a form with initial default values\n rendered_form = form.render()\n\n return {\n # This is just rendered HTML in a string\n # and can be embedded in any template language\n \"rendered_form\": rendered_form,\n }\n\n\n def main(global_config, **settings):\n \"\"\"pserve entry point\"\"\"\n session_factory = UnencryptedCookieSessionFactoryConfig('seekrit!')\n config = Configurator(settings=settings, session_factory=session_factory)\n config.include('pyramid_chameleon')\n deform.renderer.configure_zpt_renderer()\n config.add_static_view('static_deform', 'deform:static')\n config.add_route('mini_example', path='/')\n config.add_view(mini_example, route_name=\"mini_example\", renderer=\"templates/mini.pt\")\n return config.make_wsgi_app()\n\nThis example is in `deformdemo repository <https://github.com/Pylons/deformdemo/>`_. Run the example with pserve::\n\n pserve mini.ini --reload\n\nStatus\n------\n\nThis library is actively developed and maintained. Deform 2.x branch has been used in production on several sites since 2014. Automatic test suite has 100% Python code coverage and 500+ tests.\n\nProjects using Deform\n---------------------\n\n* `Websauna <https://websauna.org/>`_\n\n* `Kotti <http://kotti.pylonsproject.org/>`_\n\n* `Substance D <http://www.substanced.net/>`_\n\nCommunity and links\n-------------------\n\n* `Widget examples <https://deformdemo.pylonsproject.org>`_\n\n* `PyPI <https://pypi.org/project/deform/>`_\n\n* `Issue tracker <https://github.com/Pylons/deform/issues>`_\n\n* `Widget examples repo <https://github.com/Pylons/deformdemo/>`_\n\n* `Documentation <https://docs.pylonsproject.org/projects/deform/en/latest/>`_\n\n* `Support <https://pylonsproject.org/community-support.html>`_\n\n\n.. _2.0.15:\n\n2.0.15 (2020-12-10)\n-------------------\n\nFeatures and Fixes\n^^^^^^^^^^^^^^^^^^\n\n- Add support of Python 3.8 and 3.9.\n\n- Added a new widget ``SelectizeWidget`` based on the jQuery plugin\n `selectize.js <https://github.com/selectize/selectize.js>`_. [stevepiercy]\n https://github.com/Pylons/deform/issues/260\n\n- Improved handling of the ``readonly`` HTML attribute in certain widgets. The\n ``readonly`` HTML form control attribute makes the element not mutable,\n meaning the user cannot edit the control. When ``\"readonly\": \"readonly\"`` is\n one of the items in a dict passed into the ``attributes`` option when\n creating a widget, the rendered widget both prevents the user from changing\n the value, and if the form does not pass validation after submitted then the\n field value will be displayed.\n\n ``readonly`` is supported by most form controls, but not all. Deform adds\n some logic to add read-only support for a few of those form controls, as\n described below.\n\n ``CheckboxWidget`` and ``CheckboxChoiceWidget``\n Due to the nature of how checkbox values are processed, the ``readonly``\n attribute has no effect.\n To achieve a read-only behavior, pass in ``attributes={\"onclick\": \"return\n false;\"}``.\n This will render as an inline JavaScript ``onclick=\"return false;\"`` for\n each checkbox item.\n\n ``MoneyInputWidget``\n The provided value will be displayed in the input and be not editable.\n\n ``RadioChoiceWidget``\n For the selected value it will render an attribute in the HTML as\n ``readonly=\"readonly\"``, and for all other values as\n ``disabled=\"disabled\"``.\n\n ``SelectWidget``\n For selection of single options only, the selected value will render an\n attribute in the HTML as ``readonly=\"readonly\"``, and for all other values\n as ``disabled=\"disabled\"``.\n Multiple selections, set by the ``multiple=True`` option, do not support\n the ``readonly`` attribute on the ``<select>`` element.\n For multiple selections, use the ``SelectizeWidget``.\n\n ``SelectizeWidget``\n For both single and multiple selections, the selected value or values will\n be rendered as selected, and the others will not be selectable.\n Selectize uses JavaScript to \"lock\" the form control.\n\n ``TextAreaWidget``\n The provided value will be displayed in the input and be not editable.\n\n ``TextInputWidget``\n The provided value will be displayed in the input and be not editable.\n\n [stevepiercy]\n https://github.com/Pylons/deform/issues/260\n\n- Optionally bypass the resource registry and specify a resource as a dict\n where its keys are the type of asset (``\"js\"`` or ``\"css\"``) and its values\n are either a string or a list of strings of paths to assets on disk.\n [tdamsma]\n https://github.com/Pylons/deform/issues/485\n\n- Conditionally load ``jquery.maskedinput`` if and only if ``mask`` option is\n provided. [tisdall, stevepiercy]\n https://github.com/Pylons/deform/pull/487\n\n- Changed dateparts widget to use ``type=\"number\"`` instead of default\n ``text``. [stevepiercy]\n https://github.com/Pylons/deform/issues/442\n\n- Clarify that a sequence type (list, tuple, or x/range) is required for values\n passed into a ``SelectWidget`` or ``RadioChoiceWidget``. [stevepiercy]\n https://github.com/Pylons/deform/issues/385\n\n- Switch from using nosetests to pytest as the test runner, as nosetests is no\n longer maintained. [stevepiercy]\n https://github.com/Pylons/deform/pull/497\n https://github.com/Pylons/deform/pull/498\n\n- Switch from Travis-CI and Appveyor to GitHub Actions, due to Travis-CI\n changing its plans to be ineffective for the Pylons Project. [stevepiercy]\n https://github.com/Pylons/deform/pull/492\n https://github.com/Pylons/deform/pull/495\n\n- Add Docker containerization of Deform and deformdemo as an option for running\n tests, and improve related documentation. [sydoluciani]\n https://github.com/Pylons/deform/pull/493\n https://github.com/Pylons/deform/pull/494\n\n\nDeprecations\n^^^^^^^^^^^^\n\n- Drop support of Python 3.5.\n\n- ``Select2Widget`` is now deprecated and will be removed in Deform 3.0.0\n because its jQuery plugin Select2 removed a lock feature in v4.0.0 and its\n future development is uncertain. [stevepiercy]\n https://github.com/Pylons/deform/issues/260\n\n\nDocumentation\n^^^^^^^^^^^^^\n\n- Add documentation of arbitrary HTML5 attributes for all widgets.\n [stevepiercy]\n https://github.com/Pylons/deform/issues/430\n\n- Add usage documentation of ``Date``, ``DateTime``, and ``Time`` widgets. Add\n documentation reference to complex data loading, changing widgets, or\n validating data to Colander. [stevepiercy]\n https://github.com/Pylons/deform/pull/466\n\n\n.. _2.0.14:\n\n2.0.14 (2020-08-26)\n-------------------\n\n- Field.validate() now raises ``ValidationFailure`` upon peppercorn parse\n failure.\n See https://github.com/Pylons/deform/pull/242\n\n- Bump maskMoney.js to 3.1.1 and use minified version.\n https://github.com/Pylons/deform/issues/412\n\n\n.. _2.0.13:\n\n2.0.13 (2020-08-25)\n-------------------\n\n- ``richtext.pt``: The contents of the ``RichTextWidget``'s <textarea>\n was not HTML-escaped, but now it is.\n\n Note that unescaped content is still rendered if ``delayed_load`` is\n enabled. Now, however, to avoid rendering unescaped non-validated\n user input, ``delayed_load`` is ignored when redisplaying a field\n containing an error.\n See https://github.com/Pylons/deform/pull/204\n\n- This time, *really* update select2 widget to version 4.0.13.\n See https://github.com/Pylons/deform/pull/459\n\n\n.. _2.0.12:\n\n2.0.12 (2020-08-23)\n-------------------\n\n- Update select2 widget to version 4.0.13.\n See https://github.com/Pylons/deform/pull/441\n\n- Add the ``structure`` keyword to the autocomplete template's options to stop\n its encoding.\n See https://github.com/Pylons/deform/pull/445\n\n- Use the local HTML element for change event when removing/adding to DOM.\n See https://github.com/Pylons/deform/pull/331\n\n- Fix deprecation warning when importing the module ``field.py`` while testing\n with pytest.\n See https://github.com/Pylons/deform/pull/419\n\n- Fix a bug that was introduced in 2.0.11 that made it such that the ``focus``\n parameter on forms did not honor the ``off`` value for ``checkboxChoice`` and\n ``radioChoice`` widgets.\n See https://github.com/Pylons/deform/pull/453\n\n- Remove the unused variable ``namematch`` from deform.js.\n See https://github.com/Pylons/deform/pull/454\n\n- Add i18n domain and Bootstrap styles to template ``readonly/password.pt``.\n See https://github.com/Pylons/deform/pull/237\n\n\n.. _2.0.11:\n\n2.0.11 (2020-08-21)\n-------------------\n\n- Drop support of Python 3.4.\n\n- Changed the implementation of input autofocus from JavaScript to an HTML5\n input attribute.\n\n Forms now have an optional ``focus`` parameter (``on`` or ``off``) and fields\n have an optional ``autofocus`` parameter.\n\n - If ``focus`` is ``on``, and at least one field has an ``autofocus``\n schema parameter set to ``on``, the first of these fields will\n receive focus on page load.\n - If ``focus`` is ``on`` or omitted, and no field has an\n ``autofocus`` schema parameter set to ``on``, the first input of\n the first form on the page will receive focus on page load.\n - If ``focus`` is ``off``, no focusing will be done.\n\n Default: ``on``.\n (This is unchanged from the JavaScript implementation.)\n\n See https://github.com/Pylons/deform/pull/365/\n\n- Replace the flake8-isort plugin with plain old isort.\n See https://github.com/Pylons/deform/pull/427\n\n- Improved the script that launches Selenium webdriver to clean up the locale\n directory after completing a run of functional tests so that its files do not\n get committed by accident. We also enforce coding style and add a formatter,\n and improved the contributing documentation.\n See https://github.com/Pylons/deform/pull/428\n\n- Updated Bootstrap to 3.4.1.\n\n\n.. _2.0.10:\n\n2.0.10 (2020-07-03)\n-------------------\n\n- Correct release date.\n\n\n.. _2.0.9:\n\n2.0.9 (2020-07-03)\n------------------\n\n- Added CSRF test to pass coverage on schema.py.\n See https://github.com/Pylons/deform/pull/403\n\n- Modified the DateTimeInputWidget to use HTML5 date/time input types on\n browsers that support it.\n See https://github.com/Pylons/deform/pull/406\n\n- Add new translations for Swahili (sw_KE) locale.\n See https://github.com/Pylons/deform/pull/409\n\n- Add boolean HTML attributes per Chameleon 3.8.0.\n\n All checkboxes, radios, and selects that use boolean HTML attributes\n (selected, checked, etc.) previously used `literal_false` and would drop any\n `False` value from rendering as an HTML attribute. In Chameleon 3.8.0,\n `literal_false` is removed and must instead use `boolean_attributes` to set\n defaults.\n\n See https://github.com/Pylons/deform/issues/417\n\n\n.. _2.0.8:\n\n2.0.8 (2019-10-07)\n------------------\n\n- Add HTML5 attributes to buttons.\n See https://github.com/Pylons/deform/pull/390\n\n\n2.0.7 (2018-11-14)\n------------------\n\n- Add `tags` option support to `Select2Widget`\n See https://github.com/Pylons/deform/pull/373\n\n- Change Python 3.7 to use stable version, 3.8-dev as allowed failure, in\n Travis.\n See https://github.com/Pylons/deform/pull/377\n\n- Update Bootstrap to 3.3.7.\n\n- Add support for HTML5 attributes (e.g. including placeholder and maxlength)\n See https://github.com/Pylons/deform/pull/345\n\n2.0.6 (2018-08-29)\n------------------\n\n- Drop Python 3.3 support.\n See https://github.com/Pylons/deform/pull/371\n\n- Add support to Python 3.7.\n\n- Make date_submit and time_submit optional in DateTimeInputWidget\n See https://github.com/Pylons/deform/pull/369\n\n- Remove pinning of iso8601 to 0.1.11\n See https://github.com/Pylons/deform/pull/364\n\n- i18n cleanup https://github.com/Pylons/deform/pull/367 and https://github.com/Pylons/deform/pull/368\n\n2.0.5 (2018-02-20)\n------------------\n\n- i18n cleanup https://github.com/Pylons/deform/pull/332 and https://github.com/Pylons/deform/pull/363\n\n- Fix bug in ``_FieldStorage`` under Python 3.x (issues #339 and #357).\n\n- Declare Python 3.6 compatibility and enable tests against Python 3.6 (all tests pass with no changes).\n\n- Closes #333: MANIFEST.in including docs, licenses and text files.\n\n- Add ``link`` button type See https://github.com/Pylons/deform/issues/166\n\n- Add traditional chinese localization\n\n2.0.4 (2017-02-11)\n------------------\n\n- Added ability to pass a translator function to `deform.renderer.configure_zpt_renderer`\n\n\n2.0.3 (2016-11-19)\n------------------\n\n- Added accordions to MappingWidget:\n https://deformdemo.pylonsproject.org/mapping_accordion/\n\n- Added CSS class ``deform-form-buttons`` to style form button group:\n https://github.com/Pylons/deform/pull/308\n\n- Add more options to ``TextAreaCSVWidget``:\n https://github.com/Pylons/deform/pull/309\n\n- Always render an item with a default CSS class:\n https://github.com/Pylons/deform/pull/306\n\n- Updated pickdate.js library used for the date picker:\n https://github.com/Pylons/deform/pull/248\n\n- Widget Selenium test suite runs both under Python 2 and 3.\n Lots of Selenium testing headache fixed with some implicit wait support.\n\n.. note::\n\n Currently Python 3 file upload widget may have compatibility issues.\n Please see ``deformdemo/test.py`` for details.\n\n2.0.2 (2016-11-14)\n------------------\n\n- Fix regression of ``<select>`` widget default values not honoured\n\n- Updated Select2 widget JavaScript\n\n2.0.1 (2016-10-25)\n------------------\n\n- Drop support for Python 2.6.\n\n- Documentation reorganization and clean up to conform with Pylons Project\n projects.\n\n- Fix select and select2 widget templates failing on Python 3.x\n\n2.0 (2016-10-23)\n----------------\n\n- Release polish\n\n\n2.0b3 (2016-10-22)\n------------------\n\n- Update demos and add standalone mini example\n\n2.0b2 (2016-10-22)\n------------------\n\n- Fix README on PyPI\n\n2.0b1 (2016-10-22)\n------------------\n\n- Updated bootstrap to 3.3.6.\n\n- Fix dateparts.pt and datetimeinput.pt for changes in bootstrap v3.0.3.\n (The culprit is boostrap commit\n `853b69f <https://github.com/twbs/bootstrap/commit/853b69f2d>`_.)\n\n- Make ``dateinput`` work again by using the fixed name \"date\" as expected\n by the pstruct schema. See https://github.com/Pylons/deform/pull/221.\n\n- Changed ``ISO8601_REGEX`` import to match change in colander\n\n- Add support for Python 3.4, PyPy3.\n\n- Raise ``Invalid`` rather than other errors when deserializing broken\n or malicious pstructs with invalid types. See\n https://github.com/Pylons/deform/pull/203\n\n- Read a time widget.\n\n- Fix a bug in the DateInputWidget. See\n https://github.com/Pylons/deform/pull/192.\n\n- Ensured that ``None`` would not show up as a css class name in rendered\n template output. See https://github.com/Pylons/deform/pull/191\n\n we now use dashed-names (e.g. ``deform-seq``). A full list of changes is\n below::\n\n Old New\n\n deformClosebutton deform-closebutton\n deformFileupload deform-file-upload\n deformFormFieldset deform-form-fieldset\n deformInsertBefore deform-insert-before\n deformOrderbutton deform-orderbutton\n deformProto deform-proto\n deformReplaces deform-replaces\n deformSeq deform-seq\n deformSeqAdd deform-seq-add\n deformSeqContainer deform-seq-container\n deformSeqItem deform-seq-item\n deformSet-item deform-set-item\n errorMsg error-msg\n errorMsgLbl error-msg-lbl\n\n- Fixed handling of buttons in nested sequences.\n See https://github.com/Pylons/deform/issues/197\n\n- Upload widget is themed like Bootstrap https://github.com/Pylons/deform/pull/280\n\n- Select widget handles the mixture of strings and ints https://github.com/Pylons/deform/pull/300/ and https://github.com/Pylons/deform/pull/299\n\n- Have the button css_class override the default button class. This is\n backwards-incompatible and will require users of css_class to add a\n btn-default/btn-primary class to the css_class.\n\n- Simplified Chinese translation https://github.com/Pylons/deform/pull/274\n\n- Don't cause unnecessary JavaScript calls on page load https://github.com/Pylons/deform/pull/267/\n\n- Allow override Button Bootstap CSS styles https://github.com/Pylons/deform/pull/251\n\n2.0a2 (2013-10-18)\n------------------\n\n- ``PasswordWidget`` and ``CheckedPasswordWidget`` have grown an additional\n argument/attribute named ``redisplay``, which controls what happens on a\n validation failure of a form involving such a field. If ``redisplay`` is\n ``True`` (the default), the password will be re-rendered into the form when\n the form is re-rendered after validation failure. If ``redisplay`` is\n ``False``, the password will not be re-rendered into the form. The default\n is ``False``, which means that, as of this release, passwords will not\n be redisplayed; this changes the default behavior wrt previous releases.\n Values typed into password fields are not redisplayed by default during\n validation failure, as a security measure (the value winds up in browser\n history). Use ``PasswordWidget(redisplay=True)`` or\n ``CheckedPasswordWidget(redisplay=True)`` to make these widgets redisplay\n passwords on validation failures, matching the old behavior.\n\n- When using the default Chameleon template renderer, template names can now\n be \"asset specifications\" e.g. ``mypackage:subdir1/subdir2/mytemplate.pt``\n instead of extensionless paths relative to a search path. When\n template names are specified as asset specifications, the\n ``pkg_resources.resource_filename`` API is used to dereference them\n into an actual file path.\n\n2.0a1 (2013-10-05)\n------------------\n\nThis is an alpha release of Deform v2. Deform v2 is backwards incompatible\nwith Deform v1. It requires the use of Twitter Bootstrap v3, whereas\ndeform v1 did not require Bootstrap.\n\nA demonstration site that shows Deform 2 in action exists at\nhttps://deformdemo.pylonsproject.org.\n\nBoth Deform 1 and Deform 2 will be maintained going forward. If you wish\nto continue using Deform 1, because you cannot upgrade, or cannot depend on\nBootstrap 3, please pin your deform distribution requirement to\nsomething below 2.0a1, e.g. ``deform<=1.999``.\n\nThis first alpha release is missing formal documentation updates. Apologies,\nwe needed to get a release out onto PyPI, as not having one is holding back\nthe development of a number of platforms and applications that depend on the\nchanges in v2+. Documentation updates will be forthcoming over the lifetime\nof future alpha/beta releases. However, below is a list of known issues that\nneed to be addressed to make a final release of Deform 2, as well as\ninformation about new features, and migration notes. You may also be\nable to make use of the demo site at https://deformdemo.pylonsproject.org to\ndivine how things have changed, and what CSS and JavaScript resources you'll\nneed to include in your pages to make use of this release.\n\nTODO\n\n- docs\n- decide how to explain form.css (include in requirements or?)\n- horizontal/inline forms + structural things\n- assets for templates: deform should provide a tool to resolve that?\n- placeholder support for all textual inputs (and required/maxlength\n see also https://github.com/Pylons/deform/pull/116)\n- display help-blocks for readonly fields?\n- maybe readonly should be a property of the schema, not the widget.\n- consider whether \"style\"/\"css_class\" on multi-input widgets should apply to\n a container or each element.\n- audit use of e.g. string:${css_class} so we don't see unexpected class=\"None\"\n in widget rendering output.\n- some sort of test for mapping_item input_prepend/input_append\n- Currently description shows up as both tooltip of label and as help-block.\n Maybe make these two things separate or at least don't show them both using\n the same value.\n- normalize CSS class names to deform-foo rather than deformFoo\n- sequence_of_sequences: js that processes close/order buttons has to\n be less promiscuous (it uses e.g. \"find\"); symptom: buttons\n appear/disappear, act on the wrong element, etc... ugh 2013/10/05\n cannot replicate, but still believe there may be an issue, but\n maybe iElectric fixed it\n\nNICE TO HAVE\n\n- structural widget (mapping_item.pt) - do we need that or not or what? +\n add a demo\n- prepend/append t.bootstrap stuff\n- https://github.com/Pylons/deform/pull/116#issuecomment-23210460\n- group demos by widget type\n- handle ajax demo more UX friendly\n- Put drag handles in panel headers: https://github.com/Pylons/deform/issues/180\n\nNEW FEATURES:\n\n- input_prepend/input_append in mapping_item widget.\n- field.parent\n- field.get_root\n- inline attr of checkboxchoice and radiochoice widgets (see\n https://github.com/Pylons/deform/pull/182)\n- https://deformdemo.pylonsproject.org/\n\nMIGRATION NOTES:\n\n- removed deprecated `height, width, skin, theme` parameters from RichTextWidget\n (use \"options\" instead)\n- removed deprecated `render_initial_item` from SequenceWidget\n- removed deprecated deform.Set (use colander.Set instead)\n- DateInputWidget renamed parameter `dateFormat` to `format` (dateFormat\n now unsupported).\n- DateTimeInputWidget now renders as two fields: one for a date and one\n for a time, using pickadate.\n- We no longer bother trying to use the native datetimeinput widget on any\n browser, because the support is so spotty.\n- DateTimeInputWidget takes two options now: date_options and time_options\n instead of a single options dictionary. The options are pickadate\n date/time options respectively.\n- It is no longer possible to do DateTimeWidget().options['a'] = 'foo'\n or DateTimeWidget().date_options['a'] = 'foo'. If you need to change\n options imperatively, set the entire .options/.date_options dictionary.\n- merged TypeaheadInputWidget to AutocompleteInputWidget (removed delay\n parameter)\n- AutocompleteInputWidget now accepts string type for \"values\"\n- widgets no longer accepts \"size\" (instead use style=\"width: x\"), except\n SelectWidget (it means the size of the dropdown)\n- get_widget_resources now returns asset specifications rather than\n deform-static-relative paths\n- deform 2.0 requires users to manually load TB 3.0 and jquery 2.0\n- required labels no longer insert an asterisk inside a <span class=\"req\">\n inside themselves. instead the label element has a required class\n if the field is required; use form.css to display this as an asterisk.\n- min_length of AutocompleteInputWidget now defaults to 1 (was 2)\n\n\n",
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