Fix 500 when saving /site/edit without email
When saving /site/edit with no no_reply_email set, a 500 error page
would be returned due to an empty value being passed as value to
the datastore (which is not allowed for email fields).
from types import UnicodeType
def gqn(val):
"""
The geographic quote name function; used for quoting tables and
geometries (they use single rather than the double quotes of the
backend quotename function).
"""
if isinstance(val, basestring):
if isinstance(val, UnicodeType): val = val.encode('ascii')
return "'%s'" % val
else:
return str(val)
class SpatialOperation(object):
"""
Base class for generating spatial SQL.
"""
def __init__(self, function='', operator='', result='', beg_subst='', end_subst=''):
self.function = function
self.operator = operator
self.result = result
self.beg_subst = beg_subst
try:
# Try and put the operator and result into to the
# end substitution.
self.end_subst = end_subst % (operator, result)
except TypeError:
self.end_subst = end_subst
@property
def sql_subst(self):
return ''.join([self.beg_subst, self.end_subst])
def as_sql(self, geo_col):
return self.sql_subst % self.params(geo_col)
def params(self, geo_col):
return (geo_col, self.operator)
class SpatialFunction(SpatialOperation):
"""
Base class for generating spatial SQL related to a function.
"""
def __init__(self, func, beg_subst='%s(%s, %%s', end_subst=')', result='', operator=''):
# Getting the function prefix.
kwargs = {'function' : func, 'operator' : operator, 'result' : result,
'beg_subst' : beg_subst, 'end_subst' : end_subst,}
super(SpatialFunction, self).__init__(**kwargs)
def params(self, geo_col):
return (self.function, geo_col)