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import __builtin__
import sys
import __builtin__
opt = lambda n: getattr(__builtin__, n, None)
def f(): pass
try:
raise Exception
except:
_, _, tb = sys.exc_info()
class C:
f = f
m = C.f
types_list = [
object,
type,
unicode,
dict,
list,
slice,
super,
staticmethod,
float,
opt('enumerate'),
open,
opt('basestring'),
long,
tuple,
str,
property,
int,
xrange,
file,
complex,
opt('bool'),
classmethod,
#buffer,
# +
type(f),
type(m),
type(f.func_code),
type(sys._getframe()),
type(tb),
type(slice),
]
del f, tb
if 0:
for n, x in __builtin__.__dict__.items():
if isinstance(x, type):
if x not in types:
print "%s," % n
i = 0
#Make types a mapping from an item in types_list to its index
types = {}
for t in types_list:
if t is not None:
types.setdefault(t, i)
i += 1
extra = {
type(dict.__dict__.get('fromkeys')): types[classmethod], # xxx hack
type(list.__dict__['append']): 'm',
type(int.__dict__['__add__']): 'm',
type(int.__dict__['__new__']): 'n',
type(object.__dict__['__class__']): 'd',
type(super.__dict__['__thisclass__']): 'd',
type(None): '-',
}
def which(t):
'''Get the index of t in types_list or its str value in extra if it's not in types_list'''
try:
return types[t]
except KeyError:
return extra[t]
def do_check(names, checks):
def swhich(t):
try:
return which(t)
except KeyError:
return "%s?" % t.__name__
def n(fnd):
'''Gets the name of fnd if it's a single item, or its names if it's a tuple'''
if isinstance(fnd, tuple):
return tuple(map(n, fnd))
r = names.get(fnd, fnd)
if isinstance(r, int):
return "%s?" % types_list[fnd].__name__
return r
missing = []
bad_type = []
different = []
ok = []
for check in checks:
index, expected_type, expected_bases, expected_dict = check
t = types_list[index]
if t is None:
missing.append(t)
continue
which_type = swhich(type(t))
if which_type != expected_type:
bad_type.append((t, names[index], n(expected_type)))
elif expected_bases:
differences = {}
which_bases = tuple(map(swhich, t.__bases__))
if which_bases != expected_bases:
differences['bases'] = ['had %s but expected %s' % (n(which_bases), n(expected_bases))]
d = t.__dict__
bad_types = []
miss = []
extra = []
for name in d.keys():
if name not in expected_dict:
extra.append(name)
if extra:
differences['extra'] = extra
for name, expected in expected_dict.items():
if name not in d:
miss.append(name)
else:
which_type = swhich(type(d[name]))
if which_type != expected:
bad_types.append("%r type %s isn't %s" % (name, n(which_type), n(expected)))
if miss:
differences['missing'] = miss
if bad_types:
differences['bad_types'] = bad_types
if differences:
different.append((t, names[index], differences))
else:
ok.append(names[index])
return ok, missing, bad_type, different
def report(ok, missing, bad_type, different):
if ok:
print 'OK: %s' % ', '.join(ok)
if missing:
print 'Missing: %s' % ', '.join(missing)
if bad_type:
print 'Bad Type:'
for t, name, expected_type in bad_type:
print " ", name, t, "type isn't", expected_type
if different:
print 'Different:'
for t, name, differences in different:
print ' ', name, t
for k, v in differences.items():
if not v: continue
print ' ', k
for val in v:
print ' ', val
if __name__ == '__main__':
names = {}
checks = []
i = -1
for t in types_list:
i += 1
if t is None:
continue
names[i] = t.__name__
check = []
checks.append(check)
check.append(which(t)) # index
assert type(t) in types, t
check.append(which(type(t)))
if not hasattr(t, '__bases__'):
check.extend([None, None])
continue
bases = []
for b in t.__bases__:
assert b in types
bases.append(which(b))
check.append(tuple(bases))
membs = {}
for n,x in t.__dict__.items():
membs[n] = which(type(x))
check.append(membs)
# sanity-check
report(*do_check(names, checks))
ver = sys.version.split()[0]
simple_ver = ver[:3].replace('.', '')
import pprint
f = open('checker%s.py' % simple_ver, 'w')
print >>f, "names = ",
pprint.pprint(names, stream=f)
print >>f, "checks = ",
pprint.pprint(checks, stream=f)
print >>f, '''source_version = '%s'
if __name__ == '__main__':
print 'comparing with information from %%s' %% source_version
import make_checker
make_checker.report(*make_checker.do_check(names, checks))''' % ver
f.close()
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