aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/ipython/py2/IPython/utils/_process_win32.py
diff options
context:
space:
mode:
authormonster <monster@ydb.tech>2022-07-07 14:41:37 +0300
committermonster <monster@ydb.tech>2022-07-07 14:41:37 +0300
commit06e5c21a835c0e923506c4ff27929f34e00761c2 (patch)
tree75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/python/ipython/py2/IPython/utils/_process_win32.py
parent03f024c4412e3aa613bb543cf1660176320ba8f4 (diff)
downloadydb-06e5c21a835c0e923506c4ff27929f34e00761c2.tar.gz
fix ya.make
Diffstat (limited to 'contrib/python/ipython/py2/IPython/utils/_process_win32.py')
-rw-r--r--contrib/python/ipython/py2/IPython/utils/_process_win32.py192
1 files changed, 0 insertions, 192 deletions
diff --git a/contrib/python/ipython/py2/IPython/utils/_process_win32.py b/contrib/python/ipython/py2/IPython/utils/_process_win32.py
deleted file mode 100644
index 3ac59b2c299..00000000000
--- a/contrib/python/ipython/py2/IPython/utils/_process_win32.py
+++ /dev/null
@@ -1,192 +0,0 @@
-"""Windows-specific implementation of process utilities.
-
-This file is only meant to be imported by process.py, not by end-users.
-"""
-
-#-----------------------------------------------------------------------------
-# Copyright (C) 2010-2011 The IPython Development Team
-#
-# Distributed under the terms of the BSD License. The full license is in
-# the file COPYING, distributed as part of this software.
-#-----------------------------------------------------------------------------
-
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
-from __future__ import print_function
-
-# stdlib
-import os
-import sys
-import ctypes
-
-from ctypes import c_int, POINTER
-from ctypes.wintypes import LPCWSTR, HLOCAL
-from subprocess import STDOUT
-
-# our own imports
-from ._process_common import read_no_interrupt, process_handler, arg_split as py_arg_split
-from . import py3compat
-from .encoding import DEFAULT_ENCODING
-
-#-----------------------------------------------------------------------------
-# Function definitions
-#-----------------------------------------------------------------------------
-
-class AvoidUNCPath(object):
- """A context manager to protect command execution from UNC paths.
-
- In the Win32 API, commands can't be invoked with the cwd being a UNC path.
- This context manager temporarily changes directory to the 'C:' drive on
- entering, and restores the original working directory on exit.
-
- The context manager returns the starting working directory *if* it made a
- change and None otherwise, so that users can apply the necessary adjustment
- to their system calls in the event of a change.
-
- Examples
- --------
- ::
- cmd = 'dir'
- with AvoidUNCPath() as path:
- if path is not None:
- cmd = '"pushd %s &&"%s' % (path, cmd)
- os.system(cmd)
- """
- def __enter__(self):
- self.path = py3compat.getcwd()
- self.is_unc_path = self.path.startswith(r"\\")
- if self.is_unc_path:
- # change to c drive (as cmd.exe cannot handle UNC addresses)
- os.chdir("C:")
- return self.path
- else:
- # We return None to signal that there was no change in the working
- # directory
- return None
-
- def __exit__(self, exc_type, exc_value, traceback):
- if self.is_unc_path:
- os.chdir(self.path)
-
-
-def _find_cmd(cmd):
- """Find the full path to a .bat or .exe using the win32api module."""
- try:
- from win32api import SearchPath
- except ImportError:
- raise ImportError('you need to have pywin32 installed for this to work')
- else:
- PATH = os.environ['PATH']
- extensions = ['.exe', '.com', '.bat', '.py']
- path = None
- for ext in extensions:
- try:
- path = SearchPath(PATH, cmd, ext)[0]
- except:
- pass
- if path is None:
- raise OSError("command %r not found" % cmd)
- else:
- return path
-
-
-def _system_body(p):
- """Callback for _system."""
- enc = DEFAULT_ENCODING
- for line in read_no_interrupt(p.stdout).splitlines():
- line = line.decode(enc, 'replace')
- print(line, file=sys.stdout)
- for line in read_no_interrupt(p.stderr).splitlines():
- line = line.decode(enc, 'replace')
- print(line, file=sys.stderr)
-
- # Wait to finish for returncode
- return p.wait()
-
-
-def system(cmd):
- """Win32 version of os.system() that works with network shares.
-
- Note that this implementation returns None, as meant for use in IPython.
-
- Parameters
- ----------
- cmd : str or list
- A command to be executed in the system shell.
-
- Returns
- -------
- None : we explicitly do NOT return the subprocess status code, as this
- utility is meant to be used extensively in IPython, where any return value
- would trigger :func:`sys.displayhook` calls.
- """
- # The controller provides interactivity with both
- # stdin and stdout
- #import _process_win32_controller
- #_process_win32_controller.system(cmd)
-
- with AvoidUNCPath() as path:
- if path is not None:
- cmd = '"pushd %s &&"%s' % (path, cmd)
- return process_handler(cmd, _system_body)
-
-def getoutput(cmd):
- """Return standard output of executing cmd in a shell.
-
- Accepts the same arguments as os.system().
-
- Parameters
- ----------
- cmd : str or list
- A command to be executed in the system shell.
-
- Returns
- -------
- stdout : str
- """
-
- with AvoidUNCPath() as path:
- if path is not None:
- cmd = '"pushd %s &&"%s' % (path, cmd)
- out = process_handler(cmd, lambda p: p.communicate()[0], STDOUT)
-
- if out is None:
- out = b''
- return py3compat.bytes_to_str(out)
-
-try:
- CommandLineToArgvW = ctypes.windll.shell32.CommandLineToArgvW
- CommandLineToArgvW.arg_types = [LPCWSTR, POINTER(c_int)]
- CommandLineToArgvW.restype = POINTER(LPCWSTR)
- LocalFree = ctypes.windll.kernel32.LocalFree
- LocalFree.res_type = HLOCAL
- LocalFree.arg_types = [HLOCAL]
-
- def arg_split(commandline, posix=False, strict=True):
- """Split a command line's arguments in a shell-like manner.
-
- This is a special version for windows that use a ctypes call to CommandLineToArgvW
- to do the argv splitting. The posix paramter is ignored.
-
- If strict=False, process_common.arg_split(...strict=False) is used instead.
- """
- #CommandLineToArgvW returns path to executable if called with empty string.
- if commandline.strip() == "":
- return []
- if not strict:
- # not really a cl-arg, fallback on _process_common
- return py_arg_split(commandline, posix=posix, strict=strict)
- argvn = c_int()
- result_pointer = CommandLineToArgvW(py3compat.cast_unicode(commandline.lstrip()), ctypes.byref(argvn))
- result_array_type = LPCWSTR * argvn.value
- result = [arg for arg in result_array_type.from_address(ctypes.addressof(result_pointer.contents))]
- retval = LocalFree(result_pointer)
- return result
-except AttributeError:
- arg_split = py_arg_split
-
-def check_pid(pid):
- # OpenProcess returns 0 if no such process (of ours) exists
- # positive int otherwise
- return bool(ctypes.windll.kernel32.OpenProcess(1,0,pid))