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author | Neal Norwitz <nnorwitz@gmail.com> | 2008-03-15 22:03:18 (GMT) |
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committer | Neal Norwitz <nnorwitz@gmail.com> | 2008-03-15 22:03:18 (GMT) |
commit | 400aedacc06ac33c2bb488f3f95a90f11e96e168 (patch) | |
tree | 9a33f529ab9565563edad0cbca5da652e0a1f6c5 /Python | |
parent | cd6bfab4101f8923aadfdf392b9d0615a9686064 (diff) | |
download | cpython-400aedacc06ac33c2bb488f3f95a90f11e96e168.zip cpython-400aedacc06ac33c2bb488f3f95a90f11e96e168.tar.gz cpython-400aedacc06ac33c2bb488f3f95a90f11e96e168.tar.bz2 |
Add a warning for code like:
assert (0, 'message')
An empty tuple does not create a warning. While questionable usage:
assert (), 'message'
should not display a warning. Tested manually.
The warning message could be improved. Feel free to update it.
Diffstat (limited to 'Python')
-rw-r--r-- | Python/compile.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Python/compile.c b/Python/compile.c index 43b7569..47a63e7 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -2056,6 +2056,14 @@ compiler_assert(struct compiler *c, stmt_ty s) if (assertion_error == NULL) return 0; } + if (s->v.Assert.test->kind == Tuple_kind && + asdl_seq_LEN(s->v.Assert.test->v.Tuple.elts) > 0) { + const char* msg = + "assertion is always true, perhaps remove parentheses?"; + if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, c->c_filename, + c->u->u_lineno, NULL, NULL) == -1) + return 0; + } VISIT(c, expr, s->v.Assert.test); end = compiler_new_block(c); if (end == NULL) |