bpo-31904: Disable os.popen and popen test cases on VxWorks (GH-21687) · python/cpython@e1e3c2d (original) (raw)

`@@ -36,7 +36,7 @@

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`all = ["altsep", "curdir", "pardir", "sep", "pathsep", "linesep",

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`"defpath", "name", "path", "devnull", "SEEK_SET", "SEEK_CUR",

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`"SEEK_END", "fsencode", "fsdecode", "get_exec_path", "fdopen",

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"popen", "extsep"]

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"extsep"]

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`def _exists(name):

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`return name in globals()

`@@ -969,51 +969,55 @@ def spawnlpe(mode, file, *args):

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`all.extend(["spawnlp", "spawnlpe"])

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-

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Supply os.popen()

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def popen(cmd, mode="r", buffering=-1):

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if not isinstance(cmd, str):

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raise TypeError("invalid cmd type (%s, expected string)" % type(cmd))

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if mode not in ("r", "w"):

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raise ValueError("invalid mode %r" % mode)

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if buffering == 0 or buffering is None:

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raise ValueError("popen() does not support unbuffered streams")

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import subprocess, io

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if mode == "r":

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proc = subprocess.Popen(cmd,

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shell=True,

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stdout=subprocess.PIPE,

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bufsize=buffering)

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return _wrap_close(io.TextIOWrapper(proc.stdout), proc)

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else:

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proc = subprocess.Popen(cmd,

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shell=True,

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stdin=subprocess.PIPE,

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bufsize=buffering)

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return _wrap_close(io.TextIOWrapper(proc.stdin), proc)

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-

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Helper for popen() -- a proxy for a file whose close waits for the process

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class _wrap_close:

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def init(self, stream, proc):

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self._stream = stream

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self._proc = proc

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def close(self):

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self._stream.close()

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returncode = self._proc.wait()

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if returncode == 0:

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return None

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if name == 'nt':

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return returncode

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VxWorks has no user space shell provided. As a result, running

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command in a shell can't be supported.

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if sys.platform != 'vxworks':

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Supply os.popen()

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def popen(cmd, mode="r", buffering=-1):

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if not isinstance(cmd, str):

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raise TypeError("invalid cmd type (%s, expected string)" % type(cmd))

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if mode not in ("r", "w"):

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raise ValueError("invalid mode %r" % mode)

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if buffering == 0 or buffering is None:

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raise ValueError("popen() does not support unbuffered streams")

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import subprocess, io

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if mode == "r":

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proc = subprocess.Popen(cmd,

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shell=True,

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stdout=subprocess.PIPE,

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bufsize=buffering)

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return _wrap_close(io.TextIOWrapper(proc.stdout), proc)

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`else:

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return returncode << 8 # Shift left to match old behavior

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def enter(self):

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return self

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def exit(self, *args):

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self.close()

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def getattr(self, name):

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return getattr(self._stream, name)

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def iter(self):

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return iter(self._stream)

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proc = subprocess.Popen(cmd,

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shell=True,

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stdin=subprocess.PIPE,

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bufsize=buffering)

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return _wrap_close(io.TextIOWrapper(proc.stdin), proc)

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+

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Helper for popen() -- a proxy for a file whose close waits for the process

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class _wrap_close:

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def init(self, stream, proc):

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self._stream = stream

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self._proc = proc

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def close(self):

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self._stream.close()

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returncode = self._proc.wait()

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if returncode == 0:

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return None

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if name == 'nt':

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return returncode

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else:

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return returncode << 8 # Shift left to match old behavior

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def enter(self):

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return self

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def exit(self, *args):

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self.close()

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def getattr(self, name):

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return getattr(self._stream, name)

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def iter(self):

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return iter(self._stream)

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+

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all.append("popen")

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`# Supply os.fdopen()

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`def fdopen(fd, *args, **kwargs):