Author: gwilson
Date: 2007-10-29 18:52:17 -0500 (Mon, 29 Oct 2007)
New Revision: 6627
Modified:
django/trunk/django/newforms/models.py
Log:
Style fixes.
Modified: django/trunk/django/newforms/models.py
===================================================================
--- django/trunk/django/newforms/models.py 2007-10-28 22:32:25 UTC (rev
6626)
+++ django/trunk/django/newforms/models.py 2007-10-29 23:52:17 UTC (rev
6627)
@@ -6,7 +6,6 @@
from django.utils.translation import ugettext
from django.utils.encoding import smart_unicode
-
from util import ValidationError
from forms import BaseForm, SortedDictFromList
from fields import Field, ChoiceField
@@ -17,7 +16,8 @@
'ModelChoiceField', 'ModelMultipleChoiceField'
)
-def save_instance(form, instance, fields=None, fail_message='saved',
commit=True):
+def save_instance(form, instance, fields=None, fail_message='saved',
+ commit=True):
"""
Saves bound Form ``form``'s cleaned_data into model instance ``instance``.
@@ -27,15 +27,17 @@
from django.db import models
opts = instance.__class__._meta
if form.errors:
- raise ValueError("The %s could not be %s because the data didn't
validate." % (opts.object_name, fail_message))
+ raise ValueError("The %s could not be %s because the data didn't"
+ " validate." % (opts.object_name, fail_message))
cleaned_data = form.cleaned_data
for f in opts.fields:
- if not f.editable or isinstance(f, models.AutoField) or not f.name in
cleaned_data:
+ if not f.editable or isinstance(f, models.AutoField) \
+ or not f.name in cleaned_data:
continue
if fields and f.name not in fields:
continue
- f.save_form_data(instance, cleaned_data[f.name])
- # Wrap up the saving of m2m data as a function
+ f.save_form_data(instance, cleaned_data[f.name])
+ # Wrap up the saving of m2m data as a function.
def save_m2m():
opts = instance.__class__._meta
cleaned_data = form.cleaned_data
@@ -45,28 +47,29 @@
if f.name in cleaned_data:
f.save_form_data(instance, cleaned_data[f.name])
if commit:
- # If we are committing, save the instance and the m2m data immediately
+ # If we are committing, save the instance and the m2m data immediately.
instance.save()
save_m2m()
else:
- # We're not committing. Add a method to the form to allow deferred
- # saving of m2m data
+ # We're not committing. Add a method to the form to allow deferred
+ # saving of m2m data.
form.save_m2m = save_m2m
return instance
def make_model_save(model, fields, fail_message):
- "Returns the save() method for a Form."
+ """Returns the save() method for a Form."""
def save(self, commit=True):
return save_instance(self, model(), fields, fail_message, commit)
return save
-
+
def make_instance_save(instance, fields, fail_message):
- "Returns the save() method for a Form."
+ """Returns the save() method for a Form."""
def save(self, commit=True):
return save_instance(self, instance, fields, fail_message, commit)
return save
-def form_for_model(model, form=BaseForm, fields=None,
formfield_callback=lambda f: f.formfield()):
+def form_for_model(model, form=BaseForm, fields=None,
+ formfield_callback=lambda f: f.formfield()):
"""
Returns a Form class for the given Django model class.
@@ -87,10 +90,12 @@
if formfield:
field_list.append((f.name, formfield))
base_fields = SortedDictFromList(field_list)
- return type(opts.object_name + 'Form', (form,),
- {'base_fields': base_fields, '_model': model, 'save':
make_model_save(model, fields, 'created')})
+ return type(opts.object_name + 'Form', (form,),
+ {'base_fields': base_fields, '_model': model,
+ 'save': make_model_save(model, fields, 'created')})
-def form_for_instance(instance, form=BaseForm, fields=None,
formfield_callback=lambda f, **kwargs: f.formfield(**kwargs)):
+def form_for_instance(instance, form=BaseForm, fields=None,
+ formfield_callback=lambda f, **kwargs:
f.formfield(**kwargs)):
"""
Returns a Form class for the given Django model instance.
@@ -115,16 +120,22 @@
field_list.append((f.name, formfield))
base_fields = SortedDictFromList(field_list)
return type(opts.object_name + 'InstanceForm', (form,),
- {'base_fields': base_fields, '_model': model, 'save':
make_instance_save(instance, fields, 'changed')})
+ {'base_fields': base_fields, '_model': model,
+ 'save': make_instance_save(instance, fields, 'changed')})
def form_for_fields(field_list):
- "Returns a Form class for the given list of Django database field
instances."
- fields = SortedDictFromList([(f.name, f.formfield()) for f in field_list
if f.editable])
+ """
+ Returns a Form class for the given list of Django database field instances.
+ """
+ fields = SortedDictFromList([(f.name, f.formfield())
+ for f in field_list if f.editable])
return type('FormForFields', (BaseForm,), {'base_fields': fields})
class QuerySetIterator(object):
def __init__(self, queryset, empty_label, cache_choices):
- self.queryset, self.empty_label, self.cache_choices = queryset,
empty_label, cache_choices
+ self.queryset = queryset
+ self.empty_label = empty_label
+ self.cache_choices = cache_choices
def __iter__(self):
if self.empty_label is not None:
@@ -136,11 +147,13 @@
self.queryset._result_cache = None
class ModelChoiceField(ChoiceField):
- "A ChoiceField whose choices are a model QuerySet."
+ """A ChoiceField whose choices are a model QuerySet."""
# This class is a subclass of ChoiceField for purity, but it doesn't
# actually use any of ChoiceField's implementation.
+
def __init__(self, queryset, empty_label=u"---------", cache_choices=False,
- required=True, widget=Select, label=None, initial=None,
help_text=None):
+ required=True, widget=Select, label=None, initial=None,
+ help_text=None):
self.queryset = queryset
self.empty_label = empty_label
self.cache_choices = cache_choices
@@ -160,7 +173,8 @@
# *each* time _get_choices() is called (and, thus, each time
# self.choices is accessed) so that we can ensure the QuerySet has not
# been consumed.
- return QuerySetIterator(self.queryset, self.empty_label,
self.cache_choices)
+ return QuerySetIterator(self.queryset, self.empty_label,
+ self.cache_choices)
def _set_choices(self, value):
# This method is copied from ChoiceField._set_choices(). It's necessary
@@ -177,16 +191,20 @@
try:
value = self.queryset.model._default_manager.get(pk=value)
except self.queryset.model.DoesNotExist:
- raise ValidationError(ugettext(u'Select a valid choice. That
choice is not one of the available choices.'))
+ raise ValidationError(ugettext(u'Select a valid choice. That'
+ u' choice is not one of the'
+ u' available choices.'))
return value
class ModelMultipleChoiceField(ModelChoiceField):
- "A MultipleChoiceField whose choices are a model QuerySet."
+ """A MultipleChoiceField whose choices are a model QuerySet."""
hidden_widget = MultipleHiddenInput
+
def __init__(self, queryset, cache_choices=False, required=True,
- widget=SelectMultiple, label=None, initial=None, help_text=None):
- super(ModelMultipleChoiceField, self).__init__(queryset, None,
cache_choices,
- required, widget, label, initial, help_text)
+ widget=SelectMultiple, label=None, initial=None,
+ help_text=None):
+ super(ModelMultipleChoiceField, self).__init__(queryset, None,
+ cache_choices, required, widget, label, initial, help_text)
def clean(self, value):
if self.required and not value:
@@ -200,7 +218,9 @@
try:
obj = self.queryset.model._default_manager.get(pk=val)
except self.queryset.model.DoesNotExist:
- raise ValidationError(ugettext(u'Select a valid choice. %s is
not one of the available choices.') % val)
+ raise ValidationError(ugettext(u'Select a valid choice. %s is'
+ u' not one of the available'
+ u' choices.') % val)
else:
final_values.append(obj)
return final_values
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