Removed forms.forms.get_declared_fields() per deprecation timeline; refs #19617.

from collections import OrderedDict

import copy

import datetime

import warnings

from django.core.exceptions import ValidationError, NON_FIELD_ERRORS

from django.forms.fields import Field, FileField

from django.forms.utils import flatatt, ErrorDict, ErrorList

from django.forms.widgets import Media, MediaDefiningClass, TextInput, Textarea

from django.utils.deprecation import RemovedInDjango19Warning

from django.utils.encoding import smart_text, force_text, python_2_unicode_compatible

from django.utils.html import conditional_escape, format_html

from django.utils.safestring import mark_safe

    return name.replace('_', ' ').capitalize()

def get_declared_fields(bases, attrs, with_base_fields=True):

    """

    Create a list of form field instances from the passed in 'attrs', plus any

    similar fields on the base classes (in 'bases'). This is used by both the

    Form and ModelForm metaclasses.

    If 'with_base_fields' is True, all fields from the bases are used.

    Otherwise, only fields in the 'declared_fields' attribute on the bases are

    used. The distinction is useful in ModelForm subclassing.

    Also integrates any additional media definitions.

    """

    warnings.warn(

        "get_declared_fields is deprecated and will be removed in Django 1.9.",

        RemovedInDjango19Warning,

        stacklevel=2,

    )

    fields = [

        (field_name, attrs.pop(field_name))

        for field_name, obj in list(six.iteritems(attrs)) if isinstance(obj, Field)

    ]

    fields.sort(key=lambda x: x[1].creation_counter)

    # If this class is subclassing another Form, add that Form's fields.

    # Note that we loop over the bases in *reverse*. This is necessary in

    # order to preserve the correct order of fields.

    if with_base_fields:

        for base in bases[::-1]:

            if hasattr(base, 'base_fields'):

                fields = list(six.iteritems(base.base_fields)) + fields

    else:

        for base in bases[::-1]:

            if hasattr(base, 'declared_fields'):

                fields = list(six.iteritems(base.declared_fields)) + fields

    return OrderedDict(fields)

class DeclarativeFieldsMetaclass(MediaDefiningClass):

    """

    Metaclass that collects Fields declared on the base classes.