/
validator.py
64 lines (53 loc) · 1.63 KB
/
validator.py
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from exceptions import ValueError
from decorator import decorator
from imageexceptions import BadRequest
def method(acceptables):
def entangle(func):
def method(func, request):
if request.method in acceptables:
return func(request)
else:
return views.method_not_allowed(request)
return decorator(method, func)
return entangle
def isInt(x):
try:
p = int(x, 10)
except (ValueError, TypeError):
return False
return True
def intRange(name, r, default=None):
def entangle(func):
def intRange(func, request):
rmin, rmax = r
v = request.args.get(name, default)
msg = ('Need %s value within range of %d - %d')%(name, rmin, rmax)
print name, v, isInt(v), v < rmin, v > rmax
if not v or not isInt(v) or int(v) < rmin or int(v) > rmax:
return BadRequest(msg)
return func(request)
return decorator(intRange, func)
return entangle
def oneOf(name, cs, default=None):
def entangle(func):
def oneOf(func, request):
v = request.args.get(name, default)
msg = ('Need %s value one of %s')%(name, cs)
if not v or not v in cs:
return BadRequest(msg)
return func(request)
return decorator(oneOf, func)
return entangle
def stringLength(name, n, hint=None):
def entangle(func):
def stringLength(func, request):
v = request.args.get(name, '')
#print 'stringLength: "%s"'%(v,)
msg = ('Need %s value be %d long')%(name, n)
if hint:
msg += hint
if not v or not len(v) == n :
return BadRequest(msg)
return func(request)
return decorator(stringLength, func)
return entangle