diff options
-rw-r--r-- | Lib/subprocess.py | 25 | ||||
-rw-r--r-- | Lib/test/test_subprocess.py | 14 |
2 files changed, 25 insertions, 14 deletions
diff --git a/Lib/subprocess.py b/Lib/subprocess.py index 7885ba3..35f6f96 100644 --- a/Lib/subprocess.py +++ b/Lib/subprocess.py @@ -1536,6 +1536,17 @@ class Popen(object): return (stdout, stderr) + def _save_input(self, input): + # This method is called from the _communicate_with_*() methods + # so that if we time out while communicating, we can continue + # sending input if we retry. + if self.stdin and self._input is None: + self._input_offset = 0 + self._input = input + if self.universal_newlines and input is not None: + self._input = self._input.encode(self.stdin.encoding) + + def _communicate_with_poll(self, input, endtime, orig_timeout): stdout = None # Return stderr = None # Return @@ -1572,13 +1583,7 @@ class Popen(object): register_and_append(self.stderr, select_POLLIN_POLLPRI) stderr = self._fd2output[self.stderr.fileno()] - # Save the input here so that if we time out while communicating, - # we can continue sending input if we retry. - if self.stdin and self._input is None: - self._input_offset = 0 - self._input = input - if self.universal_newlines: - self._input = self._input.encode(self.stdin.encoding) + self._save_input(input) while self._fd2file: timeout = self._remaining_time(endtime) @@ -1632,11 +1637,7 @@ class Popen(object): if self.stderr: self._read_set.append(self.stderr) - if self.stdin and self._input is None: - self._input_offset = 0 - self._input = input - if self.universal_newlines: - self._input = self._input.encode(self.stdin.encoding) + self._save_input(input) stdout = None # Return stderr = None # Return diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py index 552b13e..e591d2f 100644 --- a/Lib/test/test_subprocess.py +++ b/Lib/test/test_subprocess.py @@ -615,8 +615,6 @@ class ProcessTestCase(BaseTestCase): universal_newlines=1) self.addCleanup(p.stdout.close) self.addCleanup(p.stderr.close) - # BUG: can't give a non-empty stdin because it breaks both the - # select- and poll-based communicate() implementations. (stdout, stderr) = p.communicate() self.assertEqual(stdout, "line2\nline4\nline5\nline6\nline7\nline8") @@ -635,6 +633,18 @@ class ProcessTestCase(BaseTestCase): (stdout, stderr) = p.communicate("line1\nline3\n") self.assertEqual(p.returncode, 0) + def test_universal_newlines_communicate_input_none(self): + # Test communicate(input=None) with universal newlines. + # + # We set stdout to PIPE because, as of this writing, a different + # code path is tested when the number of pipes is zero or one. + p = subprocess.Popen([sys.executable, "-c", "pass"], + stdin=subprocess.PIPE, + stdout=subprocess.PIPE, + universal_newlines=True) + p.communicate() + self.assertEqual(p.returncode, 0) + def test_no_leaking(self): # Make sure we leak no resources if not mswindows: |