Viewing file:  Code.py (1.09 KB) -rw-r--r--
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#._cv_part guppy.etc.Code
def co_code_findloadednames(co):
"""Find in the code of a code object, all loaded names.
(by LOAD_NAME, LOAD_GLOBAL or LOAD_FAST) """
from opcode import HAVE_ARGUMENT, opmap
hasloadname = (opmap['LOAD_NAME'],opmap['LOAD_GLOBAL'],opmap['LOAD_FAST'])
code = co.co_code
nargs = co.co_argcount
len_co_names = len(co.co_names)
indexset = {}
n = len(code)
i = 0
while i < n:
c = code[i]
op = ord(c)
i = i+1
if op >= HAVE_ARGUMENT:
if op in hasloadname:
oparg = ord(code[i]) + ord(code[i+1])*256
name = co.co_names[oparg]
indexset[name] = 1
if len(indexset) >= len_co_names:
break
i = i+2
for name in co.co_varnames:
try:
del indexset[name]
except KeyError:
pass
return indexset
def co_findloadednames(co):
"""Find all loaded names in a code object and all its consts of code type"""
names = {}
names.update(co_code_findloadednames(co))
for c in co.co_consts:
if isinstance(c, type(co)):
names.update(co_findloadednames(c))
return names
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