def GET(self):
""" All the variables from the query_string, wrapped by MultiDict.
"""
h = MultiDict()
for k, v in parse_qs(self.query_string).items():
for val in v:
h.add(k, val)
return h
def files(self):
""" The User upload file(is a UserFile object), wrapped by MultiDict.
It should note that this attribute should be called with
`yield from` syntax, such as:
request_files = yield from request.files
"""
if not self._files:
post = yield from self._read_post()
self._files = MultiDict.from_lists(filter(lambda x: isinstance(x[1], UserFile), post.allitems()))
return self._files
def forms(self):
""" All the variables except the user upload file, wrapped by MultiDict.
It should note that this attribute should be called with
`yield from` syntax, such as:
request_forms = yield from request.forms
"""
if not self._forms:
post = yield from self._read_post()
self._forms = MultiDict.from_lists(filter(lambda x: not isinstance(x[1], UserFile), post.allitems()))
return self._forms
def params(self):
""" All variables from query_string and request form, wrapped by MultiDict.
It should note that this attribute should be called with
`yield from` syntax, such as:
request_params = yield from request.params
"""
if not self._params:
params = MultiDict.from_lists(self.GET.allitems())
post = yield from self._read_post()
for k, v in post.allitems():
params.add(k, v)
self._params = params
return self._params
def _read_post(self):
""" Read All the variables from a form request and return a MultiDict.
-- If your Pyhon version is below 3.4.4, you should note this
issuse (https://bugs.python.org/issue23801) at cgi.FieldStorage.--
"""
if self._post:
return self._post
if not (self.method in self.FORM_METHOD and self.mine_type in self.FORM_CTYPE):
self._post = MultiDict()
else:
body = yield from self._get_body()
fenv = self.env.copy()
fenv["QUERY_STRING"] = ""
fs = cgi.FieldStorage(fp=io.BytesIO(body), environ=fenv, keep_blank_values=True, encoding=self.charset)
self._post = MultiDict.from_cgi_filedStoreage(fs)
return self._post
def test_multi_dict(cgi_filed):
mdict = MultiDict({'name': 'jack', 'age': 22}, country='US')
assert len(mdict) == 3
mdict.add('name', 'rose')
assert mdict['name'] == mdict.get('name') == 'rose'
assert mdict.get('age') == 22
assert mdict.get('age', side_func=lambda v: v + 1) == 23
assert mdict.get('inexistence', default='default') == 'default'
assert len(mdict.getall('name')) == 2
assert mdict.getall('inexistence') == []
items = mdict.allitems()
assert len(items) == 4
assert len(MultiDict.from_lists(items)) == 3
mdict = MultiDict.from_cgi_filedStoreage(cgi_filed)
assert mdict['cgi'].headers == {'k': 'v'}
