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-rw-r--r--Lib/test/test_imp.py16
-rw-r--r--Misc/NEWS4
-rw-r--r--Parser/tokenizer.c8
3 files changed, 26 insertions, 2 deletions
diff --git a/Lib/test/test_imp.py b/Lib/test/test_imp.py
index e2b9e9a..3a3059e 100644
--- a/Lib/test/test_imp.py
+++ b/Lib/test/test_imp.py
@@ -1,4 +1,5 @@
import imp
+import sys
import unittest
from test import support
@@ -59,6 +60,21 @@ class ImportTests(unittest.TestCase):
'"""Tokenization help for Python programs.\n')
fp.close()
+ def test_issue3594(self):
+ temp_mod_name = 'test_imp_helper'
+ sys.path.insert(0, '.')
+ try:
+ with open(temp_mod_name + '.py', 'w') as file:
+ file.write("# coding: cp1252\nu = 'test.test_imp'\n")
+ file, filename, info = imp.find_module(temp_mod_name)
+ file.close()
+ self.assertEquals(file.encoding, 'cp1252')
+ finally:
+ del sys.path[0]
+ support.unlink(temp_mod_name + '.py')
+ support.unlink(temp_mod_name + '.pyc')
+ support.unlink(temp_mod_name + '.pyo')
+
def test_reload(self):
import marshal
imp.reload(marshal)
diff --git a/Misc/NEWS b/Misc/NEWS
index e393c06..3e77aa2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,10 @@ What's New in Python 3.0 release candidate 1
Core and Builtins
-----------------
+- Issue 3594: Fix Parser/tokenizer.c:fp_setreadl() to open the file being
+ tokenized by either a file path or file pointer for the benefit of
+ PyTokenizer_FindEncoding().
+
- Issue #3696: Error parsing arguments on OpenBSD <= 4.4 and Cygwin. On
these systems, the mbstowcs() function is slightly buggy and must be
replaced with strlen() for the purpose of counting of number of wide
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index e2da3e5..e4cf8e4 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -448,8 +448,12 @@ fp_setreadl(struct tok_state *tok, const char* enc)
if (io == NULL)
goto cleanup;
- stream = PyObject_CallMethod(io, "open", "ssis",
- tok->filename, "r", -1, enc);
+ if (tok->filename)
+ stream = PyObject_CallMethod(io, "open", "ssis",
+ tok->filename, "r", -1, enc);
+ else
+ stream = PyObject_CallMethod(io, "open", "isis",
+ fileno(tok->fp), "r", -1, enc);
if (stream == NULL)
goto cleanup;