def sqlhtml_validators(field_type, length):
v = {
'boolean': [],
'string': validators.IS_LENGTH(length),
'text': [],
'password': validators.IS_LENGTH(length),
'blob': [],
'upload': [],
'double': validators.IS_FLOAT_IN_RANGE(-1e100, 1e100),
'integer': validators.IS_INT_IN_RANGE(-1e100, 1e100),
'date': validators.IS_DATE(),
'time': validators.IS_TIME(),
'datetime': validators.IS_DATETIME(),
'reference': validators.IS_INT_IN_RANGE(0, 1e100),
}
try:
return v[field_type[:9]]
except KeyError:
return []
def _default_validators(db, field):
"""
Field type validation, using web2py's validators mechanism.
makes sure the content of a field is in line with the declared
fieldtype
"""
from gluon import validators
field_type, field_length = field.type, field.length
requires = []
if field_type in (('string', 'text', 'password')):
requires.append(validators.IS_LENGTH(field_length))
elif field_type == 'json':
requires.append(validators.IS_EMPTY_OR(validators.IS_JSON()))
elif field_type == 'double' or field_type == 'float':
requires.append(validators.IS_FLOAT_IN_RANGE(-1e100, 1e100))
elif field_type == 'integer':
requires.append(validators.IS_INT_IN_RANGE(-2**31, 2**31))
elif field_type == 'bigint':
requires.append(validators.IS_INT_IN_RANGE(-2**63, 2**63))
elif field_type.startswith('decimal'):
requires.append(validators.IS_DECIMAL_IN_RANGE(-10**10, 10**10))
elif field_type == 'date':
requires.append(validators.IS_DATE())
elif field_type == 'time':
requires.append(validators.IS_TIME())
elif field_type == 'datetime':
requires.append(validators.IS_DATETIME())
elif db and field_type.startswith('reference') and \
field_type.find('.') < 0 and \
field_type[10:] in db.tables:
referenced = db[field_type[10:]]
if hasattr(referenced, '_format') and referenced._format:
requires = validators.IS_IN_DB(db, referenced._id,
referenced._format)
if field.unique:
requires._and = validators.IS_NOT_IN_DB(db, field)
if field.tablename == field_type[10:]:
return validators.IS_EMPTY_OR(requires)
return requires
elif db and field_type.startswith('list:reference') and \
field_type.find('.') < 0 and \
field_type[15:] in db.tables:
referenced = db[field_type[15:]]
if hasattr(referenced, '_format') and referenced._format:
requires = validators.IS_IN_DB(db, referenced._id,
referenced._format, multiple=True)
else:
requires = validators.IS_IN_DB(db, referenced._id,
multiple=True)
if field.unique:
requires._and = validators.IS_NOT_IN_DB(db, field)
if not field.notnull:
requires = validators.IS_EMPTY_OR(requires)
return requires
# does not get here for reference and list:reference
if field.unique:
requires.insert(0, validators.IS_NOT_IN_DB(db, field))
excluded_fields = ['string', 'upload', 'text', 'password', 'boolean']
if (field.notnull or field.unique) and field_type not in excluded_fields:
requires.insert(0, validators.IS_NOT_EMPTY())
elif not field.notnull and not field.unique and requires:
requires[0] = \
validators.IS_EMPTY_OR(requires[0], null='' if field.type in ('string', 'text', 'password') else None)
return requires
def storage_is_valid(storage):
validator = validators.IS_INT_IN_RANGE(0, None)
return validator(storage)[1] is None
def _default_validators(db, field):
"""
Field type validation, using web2py's validators mechanism.
makes sure the content of a field is in line with the declared
fieldtype
"""
from gluon import validators
field_type, field_length = field.type, field.length
requires = []
def ff(r, id):
row = r(id)
if not row:
return str(id)
elif hasattr(r, '_format') and isinstance(r._format, str):
return r._format % row
elif hasattr(r, '_format') and callable(r._format):
return r._format(row)
else:
return str(id)
if field_type in (('string', 'text', 'password')):
requires.append(validators.IS_LENGTH(field_length))
elif field_type == 'json':
requires.append(validators.IS_EMPTY_OR(validators.IS_JSON()))
elif field_type == 'double' or field_type == 'float':
requires.append(validators.IS_FLOAT_IN_RANGE(-1e100, 1e100))
elif field_type == 'integer':
requires.append(validators.IS_INT_IN_RANGE(-2**31, 2**31))
elif field_type == 'bigint':
requires.append(validators.IS_INT_IN_RANGE(-2**63, 2**63))
elif field_type.startswith('decimal'):
requires.append(validators.IS_DECIMAL_IN_RANGE(-10**10, 10**10))
elif field_type == 'date':
requires.append(validators.IS_DATE())
elif field_type == 'time':
requires.append(validators.IS_TIME())
elif field_type == 'datetime':
requires.append(validators.IS_DATETIME())
elif db and field_type.startswith('reference') and \
field_type.find('.') < 0 and \
field_type[10:] in db.tables:
referenced = db[field_type[10:]]
def repr_ref(id, row=None, r=referenced, f=ff):
return f(r, id)
field.represent = field.represent or repr_ref
if hasattr(referenced, '_format') and referenced._format:
requires = validators.IS_IN_DB(db, referenced._id,
referenced._format)
if field.unique:
requires._and = validators.IS_NOT_IN_DB(db, field)
if field.tablename == field_type[10:]:
return validators.IS_EMPTY_OR(requires)
return requires
elif db and field_type.startswith('list:reference') and \
field_type.find('.') < 0 and \
field_type[15:] in db.tables:
referenced = db[field_type[15:]]
def list_ref_repr(ids, row=None, r=referenced, f=ff):
if not ids:
return None
from pydal.adapters import GoogleDatastoreAdapter
refs = None
db, id = r._db, r._id
if isinstance(db._adapter, GoogleDatastoreAdapter):
def count(values):
return db(id.belongs(values)).select(id)
rx = range(0, len(ids), 30)
refs = reduce(lambda a, b: a & b,
[count(ids[i:i + 30]) for i in rx])
else:
refs = db(id.belongs(ids)).select(id)
return (refs and ', '.join(f(r, x.id) for x in refs) or '')
field.represent = field.represent or list_ref_repr
if hasattr(referenced, '_format') and referenced._format:
requires = validators.IS_IN_DB(db,
referenced._id,
referenced._format,
multiple=True)
else:
requires = validators.IS_IN_DB(db, referenced._id, multiple=True)
if field.unique:
requires._and = validators.IS_NOT_IN_DB(db, field)
if not field.notnull:
requires = validators.IS_EMPTY_OR(requires)
return requires
elif field_type.startswith('list:'):
def repr_list(values, row=None):
return ', '.join(str(v) for v in (values or []))
field.represent = field.represent or repr_list
if field.unique:
requires.append(validators.IS_NOT_IN_DB(db, field))
sff = ['in', 'do', 'da', 'ti', 'de', 'bo']
if field.notnull and not field_type[:2] in sff:
requires.append(validators.IS_NOT_EMPTY())
elif not field.notnull and field_type[:2] in sff and requires:
requires[0] = validators.IS_EMPTY_OR(requires[0])
return requires
