mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Disallow "import mod.submod as m", because the result is ambiguous. Does it

Browse source 
load mod.submod as m, or mod as m ? Both can be achieved differently, and
unambiguously. Also attempt to document this restriction (editor
appreciated!)

Note that this is an artificial check during compile, because incorporating
this in the grammar is hard, and then adjusting the compiler to do the right
thing with the right nodes is harder.
This commit is contained in:
Thomas Wouters 2000-08-19 20:55:02 +00:00
parent 15446d344d
commit 8bad612881
2 changed files with 8 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Python/compile.c
View file

@ -2139,7 +2139,8 @@ com_import_stmt(struct compiling *c, node *n)
com_addopname(c, IMPORT_NAME, CHILD(subn, 0));
com_push(c, 1);
if (NCH(subn) > 1) {
if (strcmp(STR(CHILD(subn, 1)), "as") != 0) {
if (strcmp(STR(CHILD(subn, 1)), "as") != 0 ||
NCH(CHILD(subn, 0)) > 1) {
com_error(c, PyExc_SyntaxError,
"invalid syntax");
return;