def _to_python(self, value, state):
if isinstance(value, dict):
custom = self.customValueToPython(value.get("custom", None), state)
val = self.keyToPython(value.get("value", None), state)
items = {
self.getKey(s): getattr(s, self.custom_attribute, False)
for s in self.getItems(state)
}
is_custom = items.get(val, False)
else:
is_custom = False
val = self.keyToPython(value, state)
self.list = self.getKeys(state)
if not val in self.list:
if self.hideList:
raise Invalid(self.message('invalid', state), val, state)
else:
try:
items = '; '.join(map(str, self.list))
except UnicodeError:
items = '; '.join(map(unicode, self.list))
raise Invalid(
self.message('notIn', state, items=items, val=val), val,
state)
else:
# breaking change: this was
# return custom if is_custom and custom else val
return custom if is_custom else val
def _to_python(self, value, state):
value = value.strip()
if self.add_http:
if not self.scheme_re.search(value):
value = 'http://' + value
# MP: commented because we really want the unicode, damn it
# if self.allow_idna:
# value = self._encode_idna(value)
if self.allow_idna:
value = unicode(value)
match = self.scheme_re.search(value)
if not match:
raise Invalid(self.message('noScheme', state), value, state)
value = match.group(0).lower() + value[len(match.group(0)):]
match = self.url_re.search(value)
if not match:
raise Invalid(self.message('badURL', state), value, state)
if self.require_tld and not match.group('domain'):
raise Invalid(
self.message('noTLD', state, domain=match.group('tld')), value,
state)
if self.check_exists and (value.startswith('http://')
or value.startswith('https://')):
self._check_url_exists(value, state)
return value
def _to_python(self, value, state):
val = self.keyToPython(value, state)
self.list = self.getKeys(state)
if not val in self.list:
if self.hideList:
raise Invalid(self.message('invalid', state), val, state)
else:
try:
items = '; '.join(map(str, self.list))
except UnicodeError:
items = '; '.join(map(unicode, self.list))
raise Invalid(
self.message('notIn', state, items=items, val=val), val,
state)
return val
def _check_url_exists(self, url, state):
global httplib, urlparse, socket
if httplib is None:
import httplib
if urlparse is None:
import urlparse
if socket is None:
import socket
scheme, netloc, path, params, query, fragment = urlparse.urlparse(
url, 'http')
if scheme == 'http':
ConnClass = httplib.HTTPConnection
else:
ConnClass = httplib.HTTPSConnection
try:
conn = ConnClass(netloc)
if params:
path += ';' + params
if query:
path += '?' + query
conn.request('HEAD', path)
res = conn.getresponse()
except httplib.HTTPException, e:
raise Invalid(self.message('httpError', state, error=e), state,
url)
def validate_python(self, value, state):
elicitationMethods = meta.Session.query(model.ElicitationMethod).all()
if value in [
elicitationMethod.name
for elicitationMethod in elicitationMethods
]:
raise Invalid(self.message("repeated_name", state), value, state)
def _to_python(self, value, state):
if not isinstance(value, list): value = [value]
values = [self.keyToPython(v, state) for v in value]
self.list = self.getKeys(state)
if len(set(values).difference(self.list)):
if self.hideList:
raise Invalid(self.message('invalid', state), values, state)
else:
try:
items = '; '.join(map(str, self.list))
except UnicodeError:
items = '; '.join(map(unicode, self.list))
raise Invalid(
self.message('notIn', state, items=items, val=values), val,
state)
return values
def validate_python(self, field_dict, state):
latmin = field_dict['latmin']
latmax = field_dict['latmax']
if latmin >= latmax:
msg = self.message('invalid', state)
raise Invalid(msg,
field_dict,
state,
error_dict=dict(stop_date=msg))
def validate_python(self, value_dict, state):
starttime = value_dict.get('starttime', None)
endtime = value_dict.get('endtime', None)
if starttime and endtime and starttime > endtime:
msg = self.message('invalid', state)
raise Invalid(msg,
value_dict,
state,
error_dict=dict(starttime=msg))
def validate_python(self, field_dict, state):
start_date = field_dict['startdate']
stop_date = field_dict['enddate']
if start_date >= stop_date:
msg = self.message('invalid', state)
raise Invalid(msg,
field_dict,
state,
error_dict=dict(stop_date=msg))
if start_date > datetime.now():
msg = self.message('start_future', state)
raise Invalid(msg,
field_dict,
state,
error_dict=dict(stop_date=msg))
if stop_date > datetime.now():
msg = self.message('stop_future', state)
raise Invalid(msg,
field_dict,
state,
error_dict=dict(stop_date=msg))
def _convert_to_python(self, value, state):
if value in ('', None):
return None
else:
pk = filter(None, value.split('/'))[-1]
pk_validator = getattr(self, 'pk_validator', UUID)
pk = pk_validator().to_python(pk, state)
pk_attr = getattr(self, 'pk', 'uuid')
model_cls = self.model_cls
try:
model_object = model_cls.objects.get(
**{pk_attr: pk})
except model_cls.DoesNotExist:
model_name_eng = camel_case2lower_space(
self.model_cls.__name__)
raise Invalid(
self.message('invalid_model', state, id=pk,
model_name_eng=model_name_eng),
value, state)
else:
return model_object
def _to_python(self, value, state):
try:
value = Decimal(value)
return value
except ValueError:
raise Invalid(self.message('number', state), value, state)
def validate_python(self, value, state):
keywords = meta.Session.query(model.Keyword).all()
if value in [keyword.name for keyword in keywords]:
raise Invalid(self.message("repeated_name", state), value, state)
def validate_python(self, value, state):
users = meta.Session.query(model.User).all()
if value in [user.username for user in users]:
raise Invalid(self.message("repeated_username", state), value,
state)
def validate_python(self, value, state):
categories = meta.Session.query(model.SyntacticCategory).all()
if value in [category.name for category in categories]:
raise Invalid(self.message("repeated_name", state), value, state)
def validate_python(self, value, state):
if value < -90 or value > 90:
msg = self.message('range', state)
raise Invalid(msg, value, state, error_dict=dict(stop_date=msg))
if urlparse is None:
import urlparse
if socket is None:
import socket
scheme, netloc, path, params, query, fragment = urlparse.urlparse(
url, 'http')
if scheme == 'http':
ConnClass = httplib.HTTPConnection
else:
ConnClass = httplib.HTTPSConnection
try:
conn = ConnClass(netloc)
if params:
path += ';' + params
if query:
path += '?' + query
conn.request('HEAD', path)
res = conn.getresponse()
except httplib.HTTPException, e:
raise Invalid(self.message('httpError', state, error=e), state,
url)
except socket.error, e:
raise Invalid(self.message('socketError', state, error=e), state,
url)
else:
if res.status == 404:
raise Invalid(self.message('notFound', state), state, url)
if not 200 <= res.status < 500:
raise Invalid(self.message('status', state, status=res.status),
state, url)
class URL(formencode.FancyValidator):
"""
Validate a URL, either http://... or https://. If check_exists
is true, then we'll actually make a request for the page.
If add_http is true, then if no scheme is present we'll add
http://
::
>>> u = URL(add_http=True)
>>> u.to_python('foo.com')
'http://foo.com'
>>> u.to_python('http://hahaha.ha/bar.html')
'http://hahaha.ha/bar.html'
>>> u.to_python('http://xn--m7r7ml7t24h.com')
'http://xn--m7r7ml7t24h.com'
>>> u.to_python('http://xn--c1aay4a.xn--p1ai')
'http://xn--c1aay4a.xn--p1ai'
>>> u.to_python('http://foo.com/test?bar=baz&fleem=morx')
'http://foo.com/test?bar=baz&fleem=morx'
>>> u.to_python('http://foo.com/login?came_from=http%3A%2F%2Ffoo.com%2Ftest')
'http://foo.com/login?came_from=http%3A%2F%2Ffoo.com%2Ftest'
>>> u.to_python('http://foo.com:8000/test.html')
'http://foo.com:8000/test.html'
>>> u.to_python('http://foo.com/something\\nelse')
Traceback (most recent call last):
...
Invalid: That is not a valid URL
>>> u.to_python('https://test.com')
'https://test.com'
>>> u.to_python('http://test')
Traceback (most recent call last):
...
Invalid: You must provide a full domain name (like test.com)
>>> u.to_python('http://test..com')
Traceback (most recent call last):
...
Invalid: That is not a valid URL
>>> u = URL(add_http=False, check_exists=True)
>>> u.to_python('http://google.com')
'http://google.com'
>>> u.to_python('google.com')
Traceback (most recent call last):
...
Invalid: You must start your URL with http://, https://, etc
>>> u.to_python('http://formencode.org/doesnotexist.html')
Traceback (most recent call last):
...
Invalid: The server responded that the page could not be found
>>> u.to_python('http://this.domain.does.not.exist.example.org/test.html')
... # doctest: +ELLIPSIS
Traceback (most recent call last):
...
Invalid: An error occured when trying to connect to the server: ...
If you want to allow addresses without a TLD (e.g., ``localhost``) you can do::
>>> URL(require_tld=False).to_python('http://localhost')
'http://localhost'
By default, internationalized domain names (IDNA) in Unicode will be
accepted and encoded to ASCII using Punycode (as described in RFC 3490).
You may set allow_idna to False to change this behavior::
>>> URL(allow_idna=True).to_python(u'http://\u0433\u0443\u0433\u043b.\u0440\u0444')
'http://xn--c1aay4a.xn--p1ai'
>>> URL(allow_idna=True, add_http=True).to_python(u'\u0433\u0443\u0433\u043b.\u0440\u0444')
'http://xn--c1aay4a.xn--p1ai'
>>> URL(allow_idna=False).to_python(u'http://\u0433\u0443\u0433\u043b.\u0440\u0444')
Traceback (most recent call last):
...
Invalid: That is not a valid URL
"""
check_exists = False
add_http = True
require_tld = True
allow_idna = True
url_re = re.compile(
r'''
^(http|https)://
(?:[%:\w]*@)? # authenticator
(?P<domain>[a-z0-9][a-z0-9\-]{,62}\.)* # (sub)domain - alpha followed by 62max chars (63 total)
(?P<tld>[a-z]{2,}|xn--[a-z0-9\-]{2,}) # TLD
(?::[0-9]+)? # port
# files/delims/etc
(?P<path>/.*)?
$
''', re.I | re.VERBOSE)
scheme_re = re.compile(r'^[a-zA-Z]+:')
messages = dict(
noScheme=_('You must start your URL with http://, https://, etc'),
badURL=_('That is not a valid URL'),
httpError=_('An error occurred when trying to access the URL:'
' %(error)s'),
socketError=_('An error occured when trying to connect to the server:'
' %(error)s'),
notFound=_('The server responded that the page could not be found'),
status=_('The server responded with a bad status code (%(status)s)'),
noTLD=_('You must provide a full domain name (like %(domain)s.com)'))
def _to_python(self, value, state):
value = value.strip()
if self.add_http:
if not self.scheme_re.search(value):
value = 'http://' + value
# MP: commented because we really want the unicode, damn it
# if self.allow_idna:
# value = self._encode_idna(value)
if self.allow_idna:
value = unicode(value)
match = self.scheme_re.search(value)
if not match:
raise Invalid(self.message('noScheme', state), value, state)
value = match.group(0).lower() + value[len(match.group(0)):]
match = self.url_re.search(value)
if not match:
raise Invalid(self.message('badURL', state), value, state)
if self.require_tld and not match.group('domain'):
raise Invalid(
self.message('noTLD', state, domain=match.group('tld')), value,
state)
if self.check_exists and (value.startswith('http://')
or value.startswith('https://')):
self._check_url_exists(value, state)
return value
def _encode_idna(self, url):
global urlparse
if urlparse is None:
import urlparse
scheme, netloc, path, params, query, fragment = urlparse.urlparse(url)
try:
return str(
urlparse.urlunparse((scheme, netloc.encode('idna'), path,
params, query, fragment)))
except UnicodeError:
return url
def _check_url_exists(self, url, state):
global httplib, urlparse, socket
if httplib is None:
import httplib
if urlparse is None:
import urlparse
if socket is None:
import socket
scheme, netloc, path, params, query, fragment = urlparse.urlparse(
url, 'http')
if scheme == 'http':
ConnClass = httplib.HTTPConnection
else:
ConnClass = httplib.HTTPSConnection
try:
conn = ConnClass(netloc)
if params:
path += ';' + params
if query:
path += '?' + query
conn.request('HEAD', path)
res = conn.getresponse()
except httplib.HTTPException, e:
raise Invalid(self.message('httpError', state, error=e), state,
url)
except socket.error, e:
raise Invalid(self.message('socketError', state, error=e), state,
url)
def keyToPython(self, value, state):
if value is None: return None
try:
return int(value)
except:
raise Invalid(self.message('invalid', state), value, state)
def validate_python(self, value, state):
if value[0]['gloss'] == '':
raise Invalid(self.message("one_gloss", state), value, state)
