Issue #19398: Extra slash no longer added to sys.path components in case of
empty compile-time PYTHONPATH components. This fixes some tests in -S or -I
modes.
diff --git a/Lib/test/test_trace.py b/Lib/test/test_trace.py
index 2292ad6..4971fcd 100644
--- a/Lib/test/test_trace.py
+++ b/Lib/test/test_trace.py
@@ -293,11 +293,11 @@
with captured_stdout() as stdout:
self._coverage(tracer)
stdout = stdout.getvalue()
- self.assertTrue("pprint.py" in stdout)
- self.assertTrue("case.py" in stdout) # from unittest
+ self.assertIn("pprint.py", stdout)
+ self.assertIn("case.py", stdout) # from unittest
files = os.listdir(TESTFN)
- self.assertTrue("pprint.cover" in files)
- self.assertTrue("unittest.case.cover" in files)
+ self.assertIn("pprint.cover", files)
+ self.assertIn("unittest.case.cover", files)
def test_coverage_ignore(self):
# Ignore all files, nothing should be traced nor printed
diff --git a/Misc/NEWS b/Misc/NEWS
index aa00448..d136f2b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
Core and Builtins
-----------------
+- Issue #19398: Extra slash no longer added to sys.path components in case of
+ empty compile-time PYTHONPATH components.
+
- Issue #21720: Improve exception message when the type of fromlist is unicode.
fromlist parameter of __import__() only accepts str in Python 2 and this
will help to identify the problem especially when the unicode_literals
diff --git a/Modules/getpath.c b/Modules/getpath.c
index 18b161c..c42ce31 100644
--- a/Modules/getpath.c
+++ b/Modules/getpath.c
@@ -597,7 +597,10 @@
if (defpath[0] != SEP) {
strcat(buf, prefix);
- strcat(buf, separator);
+ if (prefixsz >= 2 && prefix[prefixsz - 2] != SEP &&
+ defpath[0] != (delim ? DELIM : L'\0')) { /* not empty */
+ strcat(buf, separator);
+ }
}
if (delim) {