def test_data_and_request_conversion(self):
"""
Test convert request to data and convert data to request
"""
schema_nested = schemaish.Structure([
("one", schemaish.Structure([
("a", schemaish.String()),
("b", schemaish.String()),
("c", schemaish.Structure([("x", schemaish.String()),("y", schemaish.String())])),
])
),
])
r = {'one.a':'','one.b': '','one.c.x': '','one.c.y': ''}
reqr = {'one.a':None,'one.b': None,'one.c.x': None,'one.c.y': None}
reqrdata = {'one.a':[''],'one.b': [''],'one.c.x': [''],'one.c.y': ['']}
data = {'one.a': '', 'one.b': '', 'one.c.x': '', 'one.c.y': ''}
name = "Nested Form Two"
request = Request(name, r)
form = formish.Form(schema_nested, name)
# request to data
rdtd = validation.convert_request_data_to_data(form.structure, dottedDict(copy.deepcopy(request.POST)))
assert rdtd == dottedDict(reqr)
# data to request
dtrd = validation.convert_data_to_request_data(form.structure, dottedDict(data))
assert dtrd == reqrdata
def convert_data_to_request_data(form_structure, data,
request_data=None, errors=None):
"""
Take a form structure and use it's widgets to convert schema data (dict) to
request data
:arg form_structure: a formish form
:arg data: a dictionary structure to be converted using the form
:arg request_data: used to accumulate request
data (internal - used while recursing)
:arg errors: used to accumulate conversion
failures (internal - used while recursing)
"""
if request_data is None:
request_data = dottedDict()
if errors is None:
errors = dottedDict()
for field in form_structure.fields:
try:
if field.type is 'group' or \
(field.type is 'sequence' and \
(field.widget is None or \
field.widget.converttostring is False)):
convert_data_to_request_data(field, data,
request_data=request_data, errors=errors)
else:
item_data = getNestedProperty(data, field.name)
request_data[field.name] = \
field.widget.pre_render(field.attr, item_data)
except Invalid, e:
errors[field.name] = e
raise
def test_references(self):
"""Does it refer to the same data if you convert an existing dottedDict or plain dict """
a = DummyObject()
d = {'a.a.a':1, 'a.b.a':3, 'b':a}
# Check dict single level keys don't lose reference
self.assertEqual( dottedDict(d).data['b'], d['b'] )
self.assertEqual( dottedDict(d).data, dottedDict(dottedDict(d)).data )
def test_get(self):
tests = [
( {'a':1, 'b':2}, ( ('a',1),('b',2) ) ),
( {'a':{'a':1}, 'b':2}, ( ('a.a',1),('b',2) ) ),
( {'a':{'a':1, 'b':3}, 'b':2}, ( ('a.a',1),('a.b',3),('b',2) ) ),
( {'a':{'a':[1,3], 'b':2}}, ( ('a.a.0',1),('a.a.1',3) ) ),
( {'a':{'a':[1, {'a':7}], 'b':2}}, ( ('a.a.0',1),('a.a.1.a',7) ) ),
( {'list': [{'a': 1, 'b': 2}, {'a': 3, 'b': 4}]}, ( ('list.0.a',1), ) ),
]
for d, checkers in tests:
dd = dottedDict(d)
for k, v in checkers:
self.assertEquals(dd.get(k), v)
error_tests = [
( {'list': {}}, ( ('list.0.a',None), ) ),
( {'list': {}}, ( ('list.0.a', 'foo'), ) ),
]
# Check None's come out
for d, checkers in error_tests:
dd = dottedDict(d)
for k, v in checkers:
self.assertEquals(dd.get(k), None)
# Check the default comes out
for d, checkers in error_tests:
dd = dottedDict(d)
for k, v in checkers:
self.assertEquals(dd.get(k, v), v)
def convert_sequences(data):
"""
Converts numeric keyed dictionaries into sequences
Converts ``{'0': 'foo', '1': 'bar'}`` into ``['foo','bar']``. leaves anything else alone
"""
# must be a dict
if not hasattr(data,'keys'):
return data
# if the first key cannot be converted to an int then we don't have a
# sequence
try:
int(data.keys()[0])
except ValueError:
return dottedDict(data)
# collect the keys as sorted integers
intkeys = []
for key in data.keys():
intkeys.append(int(key))
intkeys.sort()
# construct the sequence
out = []
for key in intkeys:
out.append(data[str(key)])
return out
def test_integer_type(self):
schema_flat = schemaish.Structure([("a", schemaish.Integer()), ("b", schemaish.String())])
name = "Integer Form"
form = formish.Form(schema_flat, name)
r = {'a': '3', 'b': '4'}
request = Request(name, r)
R = copy.deepcopy(r)
reqr = {'a': ['3'], 'b': ['4']}
# check scmea matches
self.assert_(form.structure.attr is schema_flat)
# Does the form produce an int and a string
self.assertEquals(form.validate(request), {'a': 3, 'b': '4'})
# Does the convert request to data work
self.assertEqual( validation.convert_request_data_to_data(form.structure, dottedDict(request.POST)) , {'a': 3, 'b': '4'})
# Does the convert data to request work
self.assert_( validation.convert_data_to_request_data(form.structure, dottedDict( {'a': 3, 'b': '4'} )) == reqr)
def _set_request_data(self, request_data):
"""
Assign raw request data to the form
:arg request_data: raw request data (e.g. request.POST)
:type request_data: Dictionary (dotted or nested or dottedDict or MultiDict)
"""
self._request_data = dottedDict(request_data)
def get_item_data_values(self, name):
"""
get all of the item data values
"""
data = dottedDict({})
for key, value in self.item_data:
if value.has_key(name):
data[key] = value[name]
return data
def test_datetuple_type(self):
schema_flat = schemaish.Structure([("a", schemaish.Date()), ("b", schemaish.String())])
name = "Date Form"
form = formish.Form(schema_flat, name)
form['a'].widget = formish.DateParts()
r = {'a.day': '1','a.month': '3','a.year': '1966', 'b': '4'}
R = copy.deepcopy(r)
request = Request(name, r)
from datetime import date
d = date(1966,3,1)
# Check the data is converted correctly
self.assertEquals(form.validate(request), {'a': d, 'b': '4'})
# Check req to data
self.assertEqual( validation.convert_request_data_to_data(form.structure, dottedDict(request.POST)) , dottedDict({'a': d, 'b': '4'}))
# Check data to req
self.assert_( validation.convert_data_to_request_data(form.structure, dottedDict( {'a': d, 'b': '4'} )) == dottedDict({'a': {'month': [3], 'day': [1], 'year': [1966]}, 'b': ['4']}))
def _get_request_data(self):
"""
Retrieve previously set request_data or return the defaults in
request_data format.
"""
if self._request_data is not None:
return self._request_data
self._request_data = validation.convert_data_to_request_data(self.structure, \
dottedDict(self.defaults))
return self._request_data
def test_set(self):
tests = [
( {'list': {}}, ( ('list.0.a',7, {'list':[{'a':7}]}), ) ),
( {'list': {'x':{}}}, ( ('list.x.0.a',7, {'list':{'x':[{'a':7}]}}), ) ),
]
for d, checkers in tests:
dd = dottedDict(d)
for k, v, result in checkers:
dd[k] = v
self.assertEquals(dd, result)
def build_request(formname, data):
d = dottedDict(data)
e = {'REQUEST_METHOD': 'POST'}
request = webob.Request.blank('/',environ=e)
fields = []
fields.append( ('_charset)','UTF-8') )
fields.append( ('__formish_form__','form') )
for k, v in d.dotteditems():
fields.append( (k,v) )
fields.append( ('submit','Submit') )
request.body = urlencode( fields )
return request
def validate(self, request, failure_callable=None, success_callable=None):
"""
Get the data without raising exceptions and then validate the data. If
there are errors, raise them; otherwise return the data
"""
# If we pass in explicit failure and success callables then do this
# first
if failure_callable is not None and success_callable is not None:
return self._validate_and_call(request, \
failure_callable=None, success_callable=None)
self.errors = {}
# Check this request was POSTed by this form.
if not request.method =='POST' and \
request.POST.get('__formish_form__',None) == self.name:
raise Exception("request does not match form name")
request_post = UnicodeMultiDict(request.POST, \
encoding=util.get_post_charset(request))
# Remove the sequence factory data from the request
for k in request_post.keys():
if '*' in k:
request_post.pop(k)
# We need the _request_data to be populated so sequences know how many
# items they have (i.e. .fields method on a sequence uses the number of
# values on the _request_data)
self._request_data = dottedDict(request_post)
self.request_data = validation.pre_parse_request_data( \
self.structure,dottedDict(request_post))
data = self.get_unvalidated_data( \
self.request_data, raise_exceptions=False)
#self._request_data = dottedDict(request_post)
try:
self.structure.attr.validate(data)
except schemaish.attr.Invalid, e:
for key, value in e.error_dict.items():
if key not in self.errors:
self.errors[key] = value
def pre_parse_request_data(form_structure, request_data, data=None):
"""
Some widgets (at the moment only files) need to have their data massaged in
order to make sure that data->request and request->data is symmetric
This pre parsing is a null operation for most widgets
"""
if data is None:
data = {}
for field in form_structure.fields:
if field.type is 'group' or \
(field.type == 'sequence' and \
field.widget._template is 'SequenceDefault'):
pre_parse_request_data(field, request_data, data=data)
else:
# This needs to be cleverer...
item_data = request_data.get(field.name, [])
data[field.name] = field.widget.pre_parse_request(field.attr, item_data, full_request_data=request_data)
return dottedDict(data)
def __init__(self, structure, name=None, defaults=None, errors=None,
action_url=None, renderer=None):
"""
Create a new form instance
:arg structure: Schema Structure attribute to bind to the the form
:type structure: schemaish.Structure
:arg name: Optional form name used to identify multiple forms on the same page
:type name: str "valid html id"
:arg defaults: Default values for the form
:type defaults: dict
:arg errors: Errors to store on the form for redisplay
:type errors: dict
:arg action_url: Use if you don't want the form to post to itself
:type action_url: string "url or path"
:arg renderer: Something that returns a form serialization when called
:type renderer: callable
"""
# allow a single schema items to be used on a form
if not isinstance(structure, schemaish.Structure):
structure = schemaish.Structure([structure])
self.structure = Group(None, structure, self)
self.item_data = {}
self.name = name
if defaults is None:
defaults = {}
if errors is None:
errors = {}
self.defaults = defaults
self.errors = dottedDict(errors)
self.error = None
self._actions = []
self.action_url = action_url
if renderer is not None:
self.renderer = renderer
(field.widget._template is 'SequenceDefault' \
or field.widget.converttostring is False)):
if field.type == 'sequence':
# Make sure we have an empty field at least. If we don't do
# this and there are no items in the list then this key
# wouldn't appear.
data[field.name] = []
convert_request_data_to_data(field, request_data,
data=data, errors=errors)
else:
data[field.name] = field.widget.convert(field.attr, \
request_data.get(field.name,[]))
except convert.ConvertError, e:
errors[field.name] = e.message
data = recursive_convert_sequences(dottedDict(data))
return data
def pre_parse_request_data(form_structure, request_data, data=None):
"""
Some widgets (at the moment only files) need to have their data massaged in
order to make sure that data->request and request->data is symmetric
This pre parsing is a null operation for most widgets
"""
if data is None:
data = {}
for field in form_structure.fields:
if field.type is 'group' or \
(field.type == 'sequence' and \
field.widget._template is 'SequenceDefault'):
def _get_defaults(self):
""" Get the raw default data """
return dottedDict(self._defaults)
def test_comparing(self):
"""Using the special method __eq__ to compare a dotted dict with a normal dict """
for test in self.test_dict_data:
self.assertEqual(dottedDict(test[0]), test[1])
def test_convert_dictlist(self):
for test in self.test_dictlist_data:
self.assertEqual(dottedDict(test[0]).data, test[1])
def test_convert(self):
"""Just checking that converting results in assigning the right dict """
for test in self.test_dict_data:
self.assertEqual(dottedDict(test[0]).data, test[1])
