Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

Oops, bug omission: also scan internal code objects for imports!

This commit is contained in:
Guido van Rossum 1998-03-05 05:15:07 +00:00
parent 912a14c028
commit 3c51cf2b69
1 changed files with 37 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
Tools/freeze/modulefinder.py
View File

@ -232,40 +232,46 @@ class ModuleFinder:
if co: if co:
m.__file__ = pathname m.__file__ = pathname
m.__code__ = co m.__code__ = co
code = co.co_code self.scan_code(co, m)
n = len(code)
i = 0
lastname = None
while i < n:
c = code[i]
i = i+1
op = ord(c)
if op >= dis.HAVE_ARGUMENT:
oparg = ord(code[i]) + ord(code[i+1])*256
i = i+2
if op == IMPORT_NAME:
name = lastname = co.co_names[oparg]
if not self.badmodules.has_key(lastname):
try:
self.import_hook(name, m)
except ImportError, msg:
self.msg(2, "ImportError:", str(msg))
self.badmodules[name] = None
elif op == IMPORT_FROM:
name = co.co_names[oparg]
assert lastname is not None
if not self.badmodules.has_key(lastname):
try:
self.import_hook(lastname, m, [name])
except ImportError, msg:
self.msg(2, "ImportError:", str(msg))
fullname = lastname + "." + name
self.badmodules[fullname] = None
else:
lastname = None
self.msgout(2, "load_module ->", m) self.msgout(2, "load_module ->", m)
return m return m
def scan_code(self, co, m):
code = co.co_code
n = len(code)
i = 0
lastname = None
while i < n:
c = code[i]
i = i+1
op = ord(c)
if op >= dis.HAVE_ARGUMENT:
oparg = ord(code[i]) + ord(code[i+1])*256
i = i+2
if op == IMPORT_NAME:
name = lastname = co.co_names[oparg]
if not self.badmodules.has_key(lastname):
try:
self.import_hook(name, m)
except ImportError, msg:
self.msg(2, "ImportError:", str(msg))
self.badmodules[name] = None
elif op == IMPORT_FROM:
name = co.co_names[oparg]
assert lastname is not None
if not self.badmodules.has_key(lastname):
try:
self.import_hook(lastname, m, [name])
except ImportError, msg:
self.msg(2, "ImportError:", str(msg))
fullname = lastname + "." + name
self.badmodules[fullname] = None
else:
lastname = None
for c in co.co_consts:
if isinstance(c, type(co)):
self.scan_code(c, m)
def load_package(self, fqname, pathname): def load_package(self, fqname, pathname):
self.msgin(2, "load_package", fqname, pathname) self.msgin(2, "load_package", fqname, pathname)
m = self.add_module(fqname) m = self.add_module(fqname)