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Changed django.forms to remove duplicate code and import from django.…

…oldforms instead

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4234 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit f6fd5827aa14c26a96a91727b900135bd24aced1 1 parent 64a2718
@adrianholovaty adrianholovaty authored
Showing with 1 addition and 1,008 deletions.
  1. +1 −1,008 django/forms/__init__.py
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1,009 django/forms/__init__.py
@@ -1,1008 +1 @@
-from django.core import validators
-from django.core.exceptions import PermissionDenied
-from django.utils.html import escape
-from django.conf import settings
-from django.utils.translation import gettext, ngettext
-
-FORM_FIELD_ID_PREFIX = 'id_'
-
-class EmptyValue(Exception):
- "This is raised when empty data is provided"
- pass
-
-class Manipulator(object):
- # List of permission strings. User must have at least one to manipulate.
- # None means everybody has permission.
- required_permission = ''
-
- def __init__(self):
- # List of FormField objects
- self.fields = []
-
- def __getitem__(self, field_name):
- "Looks up field by field name; raises KeyError on failure"
- for field in self.fields:
- if field.field_name == field_name:
- return field
- raise KeyError, "Field %s not found\n%s" % (field_name, repr(self.fields))
-
- def __delitem__(self, field_name):
- "Deletes the field with the given field name; raises KeyError on failure"
- for i, field in enumerate(self.fields):
- if field.field_name == field_name:
- del self.fields[i]
- return
- raise KeyError, "Field %s not found" % field_name
-
- def check_permissions(self, user):
- """Confirms user has required permissions to use this manipulator; raises
- PermissionDenied on failure."""
- if self.required_permission is None:
- return
- if user.has_perm(self.required_permission):
- return
- raise PermissionDenied
-
- def prepare(self, new_data):
- """
- Makes any necessary preparations to new_data, in place, before data has
- been validated.
- """
- for field in self.fields:
- field.prepare(new_data)
-
- def get_validation_errors(self, new_data):
- "Returns dictionary mapping field_names to error-message lists"
- errors = {}
- self.prepare(new_data)
- for field in self.fields:
- errors.update(field.get_validation_errors(new_data))
- val_name = 'validate_%s' % field.field_name
- if hasattr(self, val_name):
- val = getattr(self, val_name)
- try:
- field.run_validator(new_data, val)
- except (validators.ValidationError, validators.CriticalValidationError), e:
- errors.setdefault(field.field_name, []).extend(e.messages)
-
-# if field.is_required and not new_data.get(field.field_name, False):
-# errors.setdefault(field.field_name, []).append(gettext_lazy('This field is required.'))
-# continue
-# try:
-# validator_list = field.validator_list
-# if hasattr(self, 'validate_%s' % field.field_name):
-# validator_list.append(getattr(self, 'validate_%s' % field.field_name))
-# for validator in validator_list:
-# if field.is_required or new_data.get(field.field_name, False) or hasattr(validator, 'always_test'):
-# try:
-# if hasattr(field, 'requires_data_list'):
-# validator(new_data.getlist(field.field_name), new_data)
-# else:
-# validator(new_data.get(field.field_name, ''), new_data)
-# except validators.ValidationError, e:
-# errors.setdefault(field.field_name, []).extend(e.messages)
-# # If a CriticalValidationError is raised, ignore any other ValidationErrors
-# # for this particular field
-# except validators.CriticalValidationError, e:
-# errors.setdefault(field.field_name, []).extend(e.messages)
- return errors
-
- def save(self, new_data):
- "Saves the changes and returns the new object"
- # changes is a dictionary-like object keyed by field_name
- raise NotImplementedError
-
- def do_html2python(self, new_data):
- """
- Convert the data from HTML data types to Python datatypes, changing the
- object in place. This happens after validation but before storage. This
- must happen after validation because html2python functions aren't
- expected to deal with invalid input.
- """
- for field in self.fields:
- field.convert_post_data(new_data)
-
-class FormWrapper(object):
- """
- A wrapper linking a Manipulator to the template system.
- This allows dictionary-style lookups of formfields. It also handles feeding
- prepopulated data and validation error messages to the formfield objects.
- """
- def __init__(self, manipulator, data=None, error_dict=None, edit_inline=True):
- self.manipulator = manipulator
- if data is None:
- data = {}
- if error_dict is None:
- error_dict = {}
- self.data = data
- self.error_dict = error_dict
- self._inline_collections = None
- self.edit_inline = edit_inline
-
- def __repr__(self):
- return repr(self.__dict__)
-
- def __getitem__(self, key):
- for field in self.manipulator.fields:
- if field.field_name == key:
- data = field.extract_data(self.data)
- return FormFieldWrapper(field, data, self.error_dict.get(field.field_name, []))
- if self.edit_inline:
- self.fill_inline_collections()
- for inline_collection in self._inline_collections:
- if inline_collection.name == key:
- return inline_collection
- raise KeyError, "Could not find Formfield or InlineObjectCollection named %r" % key
-
- def fill_inline_collections(self):
- if not self._inline_collections:
- ic = []
- related_objects = self.manipulator.get_related_objects()
- for rel_obj in related_objects:
- data = rel_obj.extract_data(self.data)
- inline_collection = InlineObjectCollection(self.manipulator, rel_obj, data, self.error_dict)
- ic.append(inline_collection)
- self._inline_collections = ic
-
- def has_errors(self):
- return self.error_dict != {}
-
- def _get_fields(self):
- try:
- return self._fields
- except AttributeError:
- self._fields = [self.__getitem__(field.field_name) for field in self.manipulator.fields]
- return self._fields
-
- fields = property(_get_fields)
-
-class FormFieldWrapper(object):
- "A bridge between the template system and an individual form field. Used by FormWrapper."
- def __init__(self, formfield, data, error_list):
- self.formfield, self.data, self.error_list = formfield, data, error_list
- self.field_name = self.formfield.field_name # for convenience in templates
-
- def __str__(self):
- "Renders the field"
- return str(self.formfield.render(self.data))
-
- def __repr__(self):
- return '<FormFieldWrapper for "%s">' % self.formfield.field_name
-
- def field_list(self):
- """
- Like __str__(), but returns a list. Use this when the field's render()
- method returns a list.
- """
- return self.formfield.render(self.data)
-
- def errors(self):
- return self.error_list
-
- def html_error_list(self):
- if self.errors():
- return '<ul class="errorlist"><li>%s</li></ul>' % '</li><li>'.join([escape(e) for e in self.errors()])
- else:
- return ''
-
- def get_id(self):
- return self.formfield.get_id()
-
-class FormFieldCollection(FormFieldWrapper):
- "A utility class that gives the template access to a dict of FormFieldWrappers"
- def __init__(self, formfield_dict):
- self.formfield_dict = formfield_dict
-
- def __str__(self):
- return str(self.formfield_dict)
-
- def __getitem__(self, template_key):
- "Look up field by template key; raise KeyError on failure"
- return self.formfield_dict[template_key]
-
- def __repr__(self):
- return "<FormFieldCollection: %s>" % self.formfield_dict
-
- def errors(self):
- "Returns list of all errors in this collection's formfields"
- errors = []
- for field in self.formfield_dict.values():
- if hasattr(field, 'errors'):
- errors.extend(field.errors())
- return errors
-
- def has_errors(self):
- return bool(len(self.errors()))
-
- def html_combined_error_list(self):
- return ''.join([field.html_error_list() for field in self.formfield_dict.values() if hasattr(field, 'errors')])
-
-class InlineObjectCollection(object):
- "An object that acts like a sparse list of form field collections."
- def __init__(self, parent_manipulator, rel_obj, data, errors):
- self.parent_manipulator = parent_manipulator
- self.rel_obj = rel_obj
- self.data = data
- self.errors = errors
- self._collections = None
- self.name = rel_obj.name
-
- def __len__(self):
- self.fill()
- return self._collections.__len__()
-
- def __getitem__(self, k):
- self.fill()
- return self._collections.__getitem__(k)
-
- def __setitem__(self, k, v):
- self.fill()
- return self._collections.__setitem__(k,v)
-
- def __delitem__(self, k):
- self.fill()
- return self._collections.__delitem__(k)
-
- def __iter__(self):
- self.fill()
- return iter(self._collections.values())
-
- def items(self):
- self.fill()
- return self._collections.items()
-
- def fill(self):
- if self._collections:
- return
- else:
- var_name = self.rel_obj.opts.object_name.lower()
- collections = {}
- orig = None
- if hasattr(self.parent_manipulator, 'original_object'):
- orig = self.parent_manipulator.original_object
- orig_list = self.rel_obj.get_list(orig)
-
- for i, instance in enumerate(orig_list):
- collection = {'original': instance}
- for f in self.rel_obj.editable_fields():
- for field_name in f.get_manipulator_field_names(''):
- full_field_name = '%s.%d.%s' % (var_name, i, field_name)
- field = self.parent_manipulator[full_field_name]
- data = field.extract_data(self.data)
- errors = self.errors.get(full_field_name, [])
- collection[field_name] = FormFieldWrapper(field, data, errors)
- collections[i] = FormFieldCollection(collection)
- self._collections = collections
-
-
-class FormField(object):
- """Abstract class representing a form field.
-
- Classes that extend FormField should define the following attributes:
- field_name
- The field's name for use by programs.
- validator_list
- A list of validation tests (callback functions) that the data for
- this field must pass in order to be added or changed.
- is_required
- A Boolean. Is it a required field?
- Subclasses should also implement a render(data) method, which is responsible
- for rending the form field in XHTML.
- """
- def __str__(self):
- return self.render('')
-
- def __repr__(self):
- return 'FormField "%s"' % self.field_name
-
- def prepare(self, new_data):
- "Hook for doing something to new_data (in place) before validation."
- pass
-
- def html2python(data):
- "Hook for converting an HTML datatype (e.g. 'on' for checkboxes) to a Python type"
- return data
- html2python = staticmethod(html2python)
-
- def render(self, data):
- raise NotImplementedError
-
- def get_member_name(self):
- if hasattr(self, 'member_name'):
- return self.member_name
- else:
- return self.field_name
-
- def extract_data(self, data_dict):
- if hasattr(self, 'requires_data_list') and hasattr(data_dict, 'getlist'):
- data = data_dict.getlist(self.get_member_name())
- else:
- data = data_dict.get(self.get_member_name(), None)
- if data is None:
- data = ''
- return data
-
- def convert_post_data(self, new_data):
- name = self.get_member_name()
- if new_data.has_key(self.field_name):
- d = new_data.getlist(self.field_name)
- try:
- converted_data = [self.__class__.html2python(data) for data in d]
- except ValueError:
- converted_data = d
- new_data.setlist(name, converted_data)
- else:
- try:
- #individual fields deal with None values themselves
- new_data.setlist(name, [self.__class__.html2python(None)])
- except EmptyValue:
- new_data.setlist(name, [])
-
-
- def run_validator(self, new_data, validator):
- if self.is_required or new_data.get(self.field_name, False) or hasattr(validator, 'always_test'):
- if hasattr(self, 'requires_data_list'):
- validator(new_data.getlist(self.field_name), new_data)
- else:
- validator(new_data.get(self.field_name, ''), new_data)
-
- def get_validation_errors(self, new_data):
- errors = {}
- if self.is_required and not new_data.get(self.field_name, False):
- errors.setdefault(self.field_name, []).append(gettext('This field is required.'))
- return errors
- try:
- for validator in self.validator_list:
- try:
- self.run_validator(new_data, validator)
- except validators.ValidationError, e:
- errors.setdefault(self.field_name, []).extend(e.messages)
- # If a CriticalValidationError is raised, ignore any other ValidationErrors
- # for this particular field
- except validators.CriticalValidationError, e:
- errors.setdefault(self.field_name, []).extend(e.messages)
- return errors
-
- def get_id(self):
- "Returns the HTML 'id' attribute for this form field."
- return FORM_FIELD_ID_PREFIX + self.field_name
-
-####################
-# GENERIC WIDGETS #
-####################
-
-class TextField(FormField):
- input_type = "text"
- def __init__(self, field_name, length=30, maxlength=None, is_required=False, validator_list=None, member_name=None):
- if validator_list is None: validator_list = []
- self.field_name = field_name
- self.length, self.maxlength = length, maxlength
- self.is_required = is_required
- self.validator_list = [self.isValidLength, self.hasNoNewlines] + validator_list
- if member_name != None:
- self.member_name = member_name
-
- def isValidLength(self, data, form):
- if data and self.maxlength and len(data.decode(settings.DEFAULT_CHARSET)) > self.maxlength:
- raise validators.ValidationError, ngettext("Ensure your text is less than %s character.",
- "Ensure your text is less than %s characters.", self.maxlength) % self.maxlength
-
- def hasNoNewlines(self, data, form):
- if data and '\n' in data:
- raise validators.ValidationError, gettext("Line breaks are not allowed here.")
-
- def render(self, data):
- if data is None:
- data = ''
- maxlength = ''
- if self.maxlength:
- maxlength = 'maxlength="%s" ' % self.maxlength
- if isinstance(data, unicode):
- data = data.encode(settings.DEFAULT_CHARSET)
- return '<input type="%s" id="%s" class="v%s%s" name="%s" size="%s" value="%s" %s/>' % \
- (self.input_type, self.get_id(), self.__class__.__name__, self.is_required and ' required' or '',
- self.field_name, self.length, escape(data), maxlength)
-
- def html2python(data):
- return data
- html2python = staticmethod(html2python)
-
-class PasswordField(TextField):
- input_type = "password"
-
-class LargeTextField(TextField):
- def __init__(self, field_name, rows=10, cols=40, is_required=False, validator_list=None, maxlength=None):
- if validator_list is None: validator_list = []
- self.field_name = field_name
- self.rows, self.cols, self.is_required = rows, cols, is_required
- self.validator_list = validator_list[:]
- if maxlength:
- self.validator_list.append(self.isValidLength)
- self.maxlength = maxlength
-
- def render(self, data):
- if data is None:
- data = ''
- if isinstance(data, unicode):
- data = data.encode(settings.DEFAULT_CHARSET)
- return '<textarea id="%s" class="v%s%s" name="%s" rows="%s" cols="%s">%s</textarea>' % \
- (self.get_id(), self.__class__.__name__, self.is_required and ' required' or '',
- self.field_name, self.rows, self.cols, escape(data))
-
-class HiddenField(FormField):
- def __init__(self, field_name, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- self.field_name, self.is_required = field_name, is_required
- self.validator_list = validator_list[:]
-
- def render(self, data):
- return '<input type="hidden" id="%s" name="%s" value="%s" />' % \
- (self.get_id(), self.field_name, escape(data))
-
-class CheckboxField(FormField):
- def __init__(self, field_name, checked_by_default=False, validator_list=None, is_required=False):
- if validator_list is None: validator_list = []
- self.field_name = field_name
- self.checked_by_default = checked_by_default
- self.is_required = is_required
- self.validator_list = validator_list[:]
-
- def render(self, data):
- checked_html = ''
- if data or (data is '' and self.checked_by_default):
- checked_html = ' checked="checked"'
- return '<input type="checkbox" id="%s" class="v%s" name="%s"%s />' % \
- (self.get_id(), self.__class__.__name__,
- self.field_name, checked_html)
-
- def html2python(data):
- "Convert value from browser ('on' or '') to a Python boolean"
- if data == 'on':
- return True
- return False
- html2python = staticmethod(html2python)
-
-class SelectField(FormField):
- def __init__(self, field_name, choices=None, size=1, is_required=False, validator_list=None, member_name=None):
- if validator_list is None: validator_list = []
- if choices is None: choices = []
- self.field_name = field_name
- # choices is a list of (value, human-readable key) tuples because order matters
- self.choices, self.size, self.is_required = choices, size, is_required
- self.validator_list = [self.isValidChoice] + validator_list
- if member_name != None:
- self.member_name = member_name
-
- def render(self, data):
- output = ['<select id="%s" class="v%s%s" name="%s" size="%s">' % \
- (self.get_id(), self.__class__.__name__,
- self.is_required and ' required' or '', self.field_name, self.size)]
- str_data = str(data) # normalize to string
- for value, display_name in self.choices:
- selected_html = ''
- if str(value) == str_data:
- selected_html = ' selected="selected"'
- output.append(' <option value="%s"%s>%s</option>' % (escape(value), selected_html, escape(display_name)))
- output.append(' </select>')
- return '\n'.join(output)
-
- def isValidChoice(self, data, form):
- str_data = str(data)
- str_choices = [str(item[0]) for item in self.choices]
- if str_data not in str_choices:
- raise validators.ValidationError, gettext("Select a valid choice; '%(data)s' is not in %(choices)s.") % {'data': str_data, 'choices': str_choices}
-
-class NullSelectField(SelectField):
- "This SelectField converts blank fields to None"
- def html2python(data):
- if not data:
- return None
- return data
- html2python = staticmethod(html2python)
-
-class RadioSelectField(FormField):
- def __init__(self, field_name, choices=None, ul_class='', is_required=False, validator_list=None, member_name=None):
- if validator_list is None: validator_list = []
- if choices is None: choices = []
- self.field_name = field_name
- # choices is a list of (value, human-readable key) tuples because order matters
- self.choices, self.is_required = choices, is_required
- self.validator_list = [self.isValidChoice] + validator_list
- self.ul_class = ul_class
- if member_name != None:
- self.member_name = member_name
-
- def render(self, data):
- """
- Returns a special object, RadioFieldRenderer, that is iterable *and*
- has a default str() rendered output.
-
- This allows for flexible use in templates. You can just use the default
- rendering:
-
- {{ field_name }}
-
- ...which will output the radio buttons in an unordered list.
- Or, you can manually traverse each radio option for special layout:
-
- {% for option in field_name.field_list %}
- {{ option.field }} {{ option.label }}<br />
- {% endfor %}
- """
- class RadioFieldRenderer:
- def __init__(self, datalist, ul_class):
- self.datalist, self.ul_class = datalist, ul_class
- def __str__(self):
- "Default str() output for this radio field -- a <ul>"
- output = ['<ul%s>' % (self.ul_class and ' class="%s"' % self.ul_class or '')]
- output.extend(['<li>%s %s</li>' % (d['field'], d['label']) for d in self.datalist])
- output.append('</ul>')
- return ''.join(output)
- def __iter__(self):
- for d in self.datalist:
- yield d
- def __len__(self):
- return len(self.datalist)
- datalist = []
- str_data = str(data) # normalize to string
- for i, (value, display_name) in enumerate(self.choices):
- selected_html = ''
- if str(value) == str_data:
- selected_html = ' checked="checked"'
- datalist.append({
- 'value': value,
- 'name': display_name,
- 'field': '<input type="radio" id="%s" name="%s" value="%s"%s/>' % \
- (self.get_id() + '_' + str(i), self.field_name, value, selected_html),
- 'label': '<label for="%s">%s</label>' % \
- (self.get_id() + '_' + str(i), display_name),
- })
- return RadioFieldRenderer(datalist, self.ul_class)
-
- def isValidChoice(self, data, form):
- str_data = str(data)
- str_choices = [str(item[0]) for item in self.choices]
- if str_data not in str_choices:
- raise validators.ValidationError, gettext("Select a valid choice; '%(data)s' is not in %(choices)s.") % {'data':str_data, 'choices':str_choices}
-
-class NullBooleanField(SelectField):
- "This SelectField provides 'Yes', 'No' and 'Unknown', mapping results to True, False or None"
- def __init__(self, field_name, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- SelectField.__init__(self, field_name, choices=[('1', 'Unknown'), ('2', 'Yes'), ('3', 'No')],
- is_required=is_required, validator_list=validator_list)
-
- def render(self, data):
- if data is None: data = '1'
- elif data == True: data = '2'
- elif data == False: data = '3'
- return SelectField.render(self, data)
-
- def html2python(data):
- return {None: None, '1': None, '2': True, '3': False}[data]
- html2python = staticmethod(html2python)
-
-class SelectMultipleField(SelectField):
- requires_data_list = True
- def render(self, data):
- output = ['<select id="%s" class="v%s%s" name="%s" size="%s" multiple="multiple">' % \
- (self.get_id(), self.__class__.__name__, self.is_required and ' required' or '',
- self.field_name, self.size)]
- str_data_list = map(str, data) # normalize to strings
- for value, choice in self.choices:
- selected_html = ''
- if str(value) in str_data_list:
- selected_html = ' selected="selected"'
- output.append(' <option value="%s"%s>%s</option>' % (escape(value), selected_html, escape(choice)))
- output.append(' </select>')
- return '\n'.join(output)
-
- def isValidChoice(self, field_data, all_data):
- # data is something like ['1', '2', '3']
- str_choices = [str(item[0]) for item in self.choices]
- for val in map(str, field_data):
- if val not in str_choices:
- raise validators.ValidationError, gettext("Select a valid choice; '%(data)s' is not in %(choices)s.") % {'data':val, 'choices':str_choices}
-
- def html2python(data):
- if data is None:
- raise EmptyValue
- return data
- html2python = staticmethod(html2python)
-
-class CheckboxSelectMultipleField(SelectMultipleField):
- """
- This has an identical interface to SelectMultipleField, except the rendered
- widget is different. Instead of a <select multiple>, this widget outputs a
- <ul> of <input type="checkbox">es.
-
- Of course, that results in multiple form elements for the same "single"
- field, so this class's prepare() method flattens the split data elements
- back into the single list that validators, renderers and save() expect.
- """
- requires_data_list = True
- def __init__(self, field_name, choices=None, ul_class='', validator_list=None):
- if validator_list is None: validator_list = []
- if choices is None: choices = []
- self.ul_class = ul_class
- SelectMultipleField.__init__(self, field_name, choices, size=1, is_required=False, validator_list=validator_list)
-
- def prepare(self, new_data):
- # new_data has "split" this field into several fields, so flatten it
- # back into a single list.
- data_list = []
- for value, readable_value in self.choices:
- if new_data.get('%s%s' % (self.field_name, value), '') == 'on':
- data_list.append(value)
- new_data.setlist(self.field_name, data_list)
-
- def render(self, data):
- output = ['<ul%s>' % (self.ul_class and ' class="%s"' % self.ul_class or '')]
- str_data_list = map(str, data) # normalize to strings
- for value, choice in self.choices:
- checked_html = ''
- if str(value) in str_data_list:
- checked_html = ' checked="checked"'
- field_name = '%s%s' % (self.field_name, value)
- output.append('<li><input type="checkbox" id="%s" class="v%s" name="%s"%s value="on" /> <label for="%s">%s</label></li>' % \
- (self.get_id() + escape(value), self.__class__.__name__, field_name, checked_html,
- self.get_id() + escape(value), choice))
- output.append('</ul>')
- return '\n'.join(output)
-
-####################
-# FILE UPLOADS #
-####################
-
-class FileUploadField(FormField):
- def __init__(self, field_name, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- self.field_name, self.is_required = field_name, is_required
- self.validator_list = [self.isNonEmptyFile] + validator_list
-
- def isNonEmptyFile(self, field_data, all_data):
- try:
- content = field_data['content']
- except TypeError:
- raise validators.CriticalValidationError, gettext("No file was submitted. Check the encoding type on the form.")
- if not content:
- raise validators.CriticalValidationError, gettext("The submitted file is empty.")
-
- def render(self, data):
- return '<input type="file" id="%s" class="v%s" name="%s" />' % \
- (self.get_id(), self.__class__.__name__, self.field_name)
-
- def html2python(data):
- if data is None:
- raise EmptyValue
- return data
- html2python = staticmethod(html2python)
-
-class ImageUploadField(FileUploadField):
- "A FileUploadField that raises CriticalValidationError if the uploaded file isn't an image."
- def __init__(self, *args, **kwargs):
- FileUploadField.__init__(self, *args, **kwargs)
- self.validator_list.insert(0, self.isValidImage)
-
- def isValidImage(self, field_data, all_data):
- try:
- validators.isValidImage(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
-####################
-# INTEGERS/FLOATS #
-####################
-
-class IntegerField(TextField):
- def __init__(self, field_name, length=10, maxlength=None, is_required=False, validator_list=None, member_name=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isInteger] + validator_list
- if member_name is not None:
- self.member_name = member_name
- TextField.__init__(self, field_name, length, maxlength, is_required, validator_list)
-
- def isInteger(self, field_data, all_data):
- try:
- validators.isInteger(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
- def html2python(data):
- if data == '' or data is None:
- return None
- return int(data)
- html2python = staticmethod(html2python)
-
-class SmallIntegerField(IntegerField):
- def __init__(self, field_name, length=5, maxlength=5, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isSmallInteger] + validator_list
- IntegerField.__init__(self, field_name, length, maxlength, is_required, validator_list)
-
- def isSmallInteger(self, field_data, all_data):
- if not -32768 <= int(field_data) <= 32767:
- raise validators.CriticalValidationError, gettext("Enter a whole number between -32,768 and 32,767.")
-
-class PositiveIntegerField(IntegerField):
- def __init__(self, field_name, length=10, maxlength=None, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isPositive] + validator_list
- IntegerField.__init__(self, field_name, length, maxlength, is_required, validator_list)
-
- def isPositive(self, field_data, all_data):
- if int(field_data) < 0:
- raise validators.CriticalValidationError, gettext("Enter a positive number.")
-
-class PositiveSmallIntegerField(IntegerField):
- def __init__(self, field_name, length=5, maxlength=None, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isPositiveSmall] + validator_list
- IntegerField.__init__(self, field_name, length, maxlength, is_required, validator_list)
-
- def isPositiveSmall(self, field_data, all_data):
- if not 0 <= int(field_data) <= 32767:
- raise validators.CriticalValidationError, gettext("Enter a whole number between 0 and 32,767.")
-
-class FloatField(TextField):
- def __init__(self, field_name, max_digits, decimal_places, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- self.max_digits, self.decimal_places = max_digits, decimal_places
- validator_list = [self.isValidFloat] + validator_list
- TextField.__init__(self, field_name, max_digits+2, max_digits+2, is_required, validator_list)
-
- def isValidFloat(self, field_data, all_data):
- v = validators.IsValidFloat(self.max_digits, self.decimal_places)
- try:
- v(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
- def html2python(data):
- if data == '' or data is None:
- return None
- return float(data)
- html2python = staticmethod(html2python)
-
-####################
-# DATES AND TIMES #
-####################
-
-class DatetimeField(TextField):
- """A FormField that automatically converts its data to a datetime.datetime object.
- The data should be in the format YYYY-MM-DD HH:MM:SS."""
- def __init__(self, field_name, length=30, maxlength=None, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- self.field_name = field_name
- self.length, self.maxlength = length, maxlength
- self.is_required = is_required
- self.validator_list = [validators.isValidANSIDatetime] + validator_list
-
- def html2python(data):
- "Converts the field into a datetime.datetime object"
- import datetime
- try:
- date, time = data.split()
- y, m, d = date.split('-')
- timebits = time.split(':')
- h, mn = timebits[:2]
- if len(timebits) > 2:
- s = int(timebits[2])
- else:
- s = 0
- return datetime.datetime(int(y), int(m), int(d), int(h), int(mn), s)
- except ValueError:
- return None
- html2python = staticmethod(html2python)
-
-class DateField(TextField):
- """A FormField that automatically converts its data to a datetime.date object.
- The data should be in the format YYYY-MM-DD."""
- def __init__(self, field_name, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isValidDate] + validator_list
- TextField.__init__(self, field_name, length=10, maxlength=10,
- is_required=is_required, validator_list=validator_list)
-
- def isValidDate(self, field_data, all_data):
- try:
- validators.isValidANSIDate(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
- def html2python(data):
- "Converts the field into a datetime.date object"
- import time, datetime
- try:
- time_tuple = time.strptime(data, '%Y-%m-%d')
- return datetime.date(*time_tuple[0:3])
- except (ValueError, TypeError):
- return None
- html2python = staticmethod(html2python)
-
-class TimeField(TextField):
- """A FormField that automatically converts its data to a datetime.time object.
- The data should be in the format HH:MM:SS or HH:MM:SS.mmmmmm."""
- def __init__(self, field_name, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isValidTime] + validator_list
- TextField.__init__(self, field_name, length=8, maxlength=8,
- is_required=is_required, validator_list=validator_list)
-
- def isValidTime(self, field_data, all_data):
- try:
- validators.isValidANSITime(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
- def html2python(data):
- "Converts the field into a datetime.time object"
- import time, datetime
- try:
- part_list = data.split('.')
- try:
- time_tuple = time.strptime(part_list[0], '%H:%M:%S')
- except ValueError: # seconds weren't provided
- time_tuple = time.strptime(part_list[0], '%H:%M')
- t = datetime.time(*time_tuple[3:6])
- if (len(part_list) == 2):
- t = t.replace(microsecond=int(part_list[1]))
- return t
- except (ValueError, TypeError, AttributeError):
- return None
- html2python = staticmethod(html2python)
-
-####################
-# INTERNET-RELATED #
-####################
-
-class EmailField(TextField):
- "A convenience FormField for validating e-mail addresses"
- def __init__(self, field_name, length=50, maxlength=75, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isValidEmail] + validator_list
- TextField.__init__(self, field_name, length, maxlength=maxlength,
- is_required=is_required, validator_list=validator_list)
-
- def isValidEmail(self, field_data, all_data):
- try:
- validators.isValidEmail(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
-class URLField(TextField):
- "A convenience FormField for validating URLs"
- def __init__(self, field_name, length=50, maxlength=200, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isValidURL] + validator_list
- TextField.__init__(self, field_name, length=length, maxlength=maxlength,
- is_required=is_required, validator_list=validator_list)
-
- def isValidURL(self, field_data, all_data):
- try:
- validators.isValidURL(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
-class IPAddressField(TextField):
- def __init__(self, field_name, length=15, maxlength=15, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isValidIPAddress] + validator_list
- TextField.__init__(self, field_name, length=length, maxlength=maxlength,
- is_required=is_required, validator_list=validator_list)
-
- def isValidIPAddress(self, field_data, all_data):
- try:
- validators.isValidIPAddress4(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
- def html2python(data):
- return data or None
- html2python = staticmethod(html2python)
-
-####################
-# MISCELLANEOUS #
-####################
-
-class FilePathField(SelectField):
- "A SelectField whose choices are the files in a given directory."
- def __init__(self, field_name, path, match=None, recursive=False, is_required=False, validator_list=None):
- import os
- from django.db.models import BLANK_CHOICE_DASH
- if match is not None:
- import re
- match_re = re.compile(match)
- choices = not is_required and BLANK_CHOICE_DASH[:] or []
- if recursive:
- for root, dirs, files in os.walk(path):
- for f in files:
- if match is None or match_re.search(f):
- choices.append((os.path.join(root, f), f))
- else:
- try:
- for f in os.listdir(path):
- full_file = os.path.join(path, f)
- if os.path.isfile(full_file) and (match is None or match_re.search(f)):
- choices.append((full_file, f))
- except OSError:
- pass
- SelectField.__init__(self, field_name, choices, 1, is_required, validator_list)
-
-class PhoneNumberField(TextField):
- "A convenience FormField for validating phone numbers (e.g. '630-555-1234')"
- def __init__(self, field_name, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isValidPhone] + validator_list
- TextField.__init__(self, field_name, length=12, maxlength=12,
- is_required=is_required, validator_list=validator_list)
-
- def isValidPhone(self, field_data, all_data):
- try:
- validators.isValidPhone(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
-class USStateField(TextField):
- "A convenience FormField for validating U.S. states (e.g. 'IL')"
- def __init__(self, field_name, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isValidUSState] + validator_list
- TextField.__init__(self, field_name, length=2, maxlength=2,
- is_required=is_required, validator_list=validator_list)
-
- def isValidUSState(self, field_data, all_data):
- try:
- validators.isValidUSState(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
- def html2python(data):
- return data.upper() # Should always be stored in upper case
- html2python = staticmethod(html2python)
-
-class CommaSeparatedIntegerField(TextField):
- "A convenience FormField for validating comma-separated integer fields"
- def __init__(self, field_name, maxlength=None, is_required=False, validator_list=None):
- if validator_list is None: validator_list = []
- validator_list = [self.isCommaSeparatedIntegerList] + validator_list
- TextField.__init__(self, field_name, length=20, maxlength=maxlength,
- is_required=is_required, validator_list=validator_list)
-
- def isCommaSeparatedIntegerList(self, field_data, all_data):
- try:
- validators.isCommaSeparatedIntegerList(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
-
- def render(self, data):
- if data is None:
- data = ''
- elif isinstance(data, (list, tuple)):
- data = ','.join(data)
- return super(CommaSeparatedIntegerField, self).render(data)
-
-class RawIdAdminField(CommaSeparatedIntegerField):
- def html2python(data):
- if data:
- return data.split(',')
- else:
- return []
- html2python = staticmethod(html2python)
-
-class XMLLargeTextField(LargeTextField):
- """
- A LargeTextField with an XML validator. The schema_path argument is the
- full path to a Relax NG compact schema to validate against.
- """
- def __init__(self, field_name, schema_path, **kwargs):
- self.schema_path = schema_path
- kwargs.setdefault('validator_list', []).insert(0, self.isValidXML)
- LargeTextField.__init__(self, field_name, **kwargs)
-
- def isValidXML(self, field_data, all_data):
- v = validators.RelaxNGCompact(self.schema_path)
- try:
- v(field_data, all_data)
- except validators.ValidationError, e:
- raise validators.CriticalValidationError, e.messages
+from django.oldforms import *
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