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authorshadchin <[email protected]>2022-02-10 16:44:39 +0300
committerDaniil Cherednik <[email protected]>2022-02-10 16:44:39 +0300
commite9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (patch)
tree64175d5cadab313b3e7039ebaa06c5bc3295e274 /contrib/tools/python3/src/Lib/_bootsubprocess.py
parent2598ef1d0aee359b4b6d5fdd1758916d5907d04f (diff)
Restoring authorship annotation for <[email protected]>. Commit 2 of 2.
Diffstat (limited to 'contrib/tools/python3/src/Lib/_bootsubprocess.py')
-rw-r--r--contrib/tools/python3/src/Lib/_bootsubprocess.py194
1 files changed, 97 insertions, 97 deletions
diff --git a/contrib/tools/python3/src/Lib/_bootsubprocess.py b/contrib/tools/python3/src/Lib/_bootsubprocess.py
index d692e2aee12..014782f616c 100644
--- a/contrib/tools/python3/src/Lib/_bootsubprocess.py
+++ b/contrib/tools/python3/src/Lib/_bootsubprocess.py
@@ -1,97 +1,97 @@
-"""
-Basic subprocess implementation for POSIX which only uses os functions. Only
-implement features required by setup.py to build C extension modules when
-subprocess is unavailable. setup.py is not used on Windows.
-"""
-import os
-
-
-# distutils.spawn used by distutils.command.build_ext
-# calls subprocess.Popen().wait()
-class Popen:
- def __init__(self, cmd, env=None):
- self._cmd = cmd
- self._env = env
- self.returncode = None
-
- def wait(self):
- pid = os.fork()
- if pid == 0:
- # Child process
- try:
- if self._env is not None:
- os.execve(self._cmd[0], self._cmd, self._env)
- else:
- os.execv(self._cmd[0], self._cmd)
- finally:
- os._exit(1)
- else:
- # Parent process
- _, status = os.waitpid(pid, 0)
- self.returncode = os.waitstatus_to_exitcode(status)
-
- return self.returncode
-
-
-def _check_cmd(cmd):
- # Use regex [a-zA-Z0-9./-]+: reject empty string, space, etc.
- safe_chars = []
- for first, last in (("a", "z"), ("A", "Z"), ("0", "9")):
- for ch in range(ord(first), ord(last) + 1):
- safe_chars.append(chr(ch))
- safe_chars.append("./-")
- safe_chars = ''.join(safe_chars)
-
- if isinstance(cmd, (tuple, list)):
- check_strs = cmd
- elif isinstance(cmd, str):
- check_strs = [cmd]
- else:
- return False
-
- for arg in check_strs:
- if not isinstance(arg, str):
- return False
- if not arg:
- # reject empty string
- return False
- for ch in arg:
- if ch not in safe_chars:
- return False
-
- return True
-
-
-# _aix_support used by distutil.util calls subprocess.check_output()
-def check_output(cmd, **kwargs):
- if kwargs:
- raise NotImplementedError(repr(kwargs))
-
- if not _check_cmd(cmd):
- raise ValueError(f"unsupported command: {cmd!r}")
-
- tmp_filename = "check_output.tmp"
- if not isinstance(cmd, str):
- cmd = " ".join(cmd)
- cmd = f"{cmd} >{tmp_filename}"
-
- try:
- # system() spawns a shell
- status = os.system(cmd)
- exitcode = os.waitstatus_to_exitcode(status)
- if exitcode:
- raise ValueError(f"Command {cmd!r} returned non-zero "
- f"exit status {exitcode!r}")
-
- try:
- with open(tmp_filename, "rb") as fp:
- stdout = fp.read()
- except FileNotFoundError:
- stdout = b''
- finally:
- try:
- os.unlink(tmp_filename)
- except OSError:
- pass
-
- return stdout
+"""
+Basic subprocess implementation for POSIX which only uses os functions. Only
+implement features required by setup.py to build C extension modules when
+subprocess is unavailable. setup.py is not used on Windows.
+"""
+import os
+
+
+# distutils.spawn used by distutils.command.build_ext
+# calls subprocess.Popen().wait()
+class Popen:
+ def __init__(self, cmd, env=None):
+ self._cmd = cmd
+ self._env = env
+ self.returncode = None
+
+ def wait(self):
+ pid = os.fork()
+ if pid == 0:
+ # Child process
+ try:
+ if self._env is not None:
+ os.execve(self._cmd[0], self._cmd, self._env)
+ else:
+ os.execv(self._cmd[0], self._cmd)
+ finally:
+ os._exit(1)
+ else:
+ # Parent process
+ _, status = os.waitpid(pid, 0)
+ self.returncode = os.waitstatus_to_exitcode(status)
+
+ return self.returncode
+
+
+def _check_cmd(cmd):
+ # Use regex [a-zA-Z0-9./-]+: reject empty string, space, etc.
+ safe_chars = []
+ for first, last in (("a", "z"), ("A", "Z"), ("0", "9")):
+ for ch in range(ord(first), ord(last) + 1):
+ safe_chars.append(chr(ch))
+ safe_chars.append("./-")
+ safe_chars = ''.join(safe_chars)
+
+ if isinstance(cmd, (tuple, list)):
+ check_strs = cmd
+ elif isinstance(cmd, str):
+ check_strs = [cmd]
+ else:
+ return False
+
+ for arg in check_strs:
+ if not isinstance(arg, str):
+ return False
+ if not arg:
+ # reject empty string
+ return False
+ for ch in arg:
+ if ch not in safe_chars:
+ return False
+
+ return True
+
+
+# _aix_support used by distutil.util calls subprocess.check_output()
+def check_output(cmd, **kwargs):
+ if kwargs:
+ raise NotImplementedError(repr(kwargs))
+
+ if not _check_cmd(cmd):
+ raise ValueError(f"unsupported command: {cmd!r}")
+
+ tmp_filename = "check_output.tmp"
+ if not isinstance(cmd, str):
+ cmd = " ".join(cmd)
+ cmd = f"{cmd} >{tmp_filename}"
+
+ try:
+ # system() spawns a shell
+ status = os.system(cmd)
+ exitcode = os.waitstatus_to_exitcode(status)
+ if exitcode:
+ raise ValueError(f"Command {cmd!r} returned non-zero "
+ f"exit status {exitcode!r}")
+
+ try:
+ with open(tmp_filename, "rb") as fp:
+ stdout = fp.read()
+ except FileNotFoundError:
+ stdout = b''
+ finally:
+ try:
+ os.unlink(tmp_filename)
+ except OSError:
+ pass
+
+ return stdout