标签：__ dirs 调用 python self sp outs os powershell

python3

import os
from glob import glob
import subprocess as sp


class PowerShell:
# from scapy
def __init__(self, coding, ):
cmd = [self._where('PowerShell.exe'),
"-NoLogo", "-NonInteractive", # Do not print headers
"-Command", "-"] # Listen commands from stdin
startupinfo = sp.STARTUPINFO()
startupinfo.dwFlags |= sp.STARTF_USESHOWWINDOW
self.popen = sp.Popen(cmd, stdout=sp.PIPE, stdin=sp.PIPE, stderr=sp.STDOUT, startupinfo=startupinfo)
self.coding = coding

def __enter__(self):
return self

def __exit__(self, a, b, c):
self.popen.kill()

def run(self, cmd, timeout=15):
b_cmd = cmd.encode(encoding=self.coding)
try:
b_outs, errs = self.popen.communicate(b_cmd, timeout=timeout)
except sp.TimeoutExpired:
self.popen.kill()
b_outs, errs = self.popen.communicate()
outs = b_outs.decode(encoding=self.coding)
return outs, errs

@staticmethod
def _where(filename, dirs=None, env="PATH"):
"""Find file in current dir, in deep_lookup cache or in system path"""
if dirs is None:
dirs = []
if not isinstance(dirs, list):
dirs = [dirs]
if glob(filename):
return filename
paths = [os.curdir] + os.environ[env].split(os.path.pathsep) + dirs
try:
return next(os.path.normpath(match)
for path in paths
for match in glob(os.path.join(path, filename))
if match)
except (StopIteration, RuntimeError):
raise IOError("File not found: %s" % filename)


if __name__ == '__main__':
# Example:
with PowerShell('GBK') as ps:
outs, errs = ps.run(r'Get-ChildItem G:\test1 -recurse|?{$_.Name -like "test*"}|select Name')
#print('error:', os.linesep, errs)
#print('output:', os.linesep, outs)
print(outs)

python2

import os
from glob import glob
import subprocess as sp


class PowerShell:
    # from scapy
    def __init__(self, coding, ):
        cmd = [self._where('PowerShell.exe'),
               "-NoLogo", "-NonInteractive",  # Do not print headers
               "-Command", "-"]  # Listen commands from stdin
        startupinfo = sp.STARTUPINFO()
        startupinfo.dwFlags |= sp.STARTF_USESHOWWINDOW
        self.popen = sp.Popen(cmd, stdout=sp.PIPE, stdin=sp.PIPE, stderr=sp.STDOUT, startupinfo=startupinfo)
        self.coding = coding

    def __enter__(self):
        return self

    def __exit__(self, a, b, c):
        self.popen.kill()

    def run(self, cmd):
        b_cmd = cmd.encode(encoding=self.coding)
        try:
            b_outs, errs = self.popen.communicate(b_cmd)
        except Exception:
            self.popen.kill()
            b_outs, errs = self.popen.communicate()
        outs = b_outs.decode(encoding=self.coding)
        return outs, errs

    @staticmethod
    def _where(filename, dirs=None, env="PATH"):
        """Find file in current dir, in deep_lookup cache or in system path"""
        if dirs is None:
            dirs = []
        if not isinstance(dirs, list):
            dirs = [dirs]
        if glob(filename):
            return filename
        paths = [os.curdir] + os.environ[env].split(os.path.pathsep) + dirs
        try:
            return next(os.path.normpath(match)
                        for path in paths
                        for match in glob(os.path.join(path, filename))
                        if match)
        except (StopIteration, RuntimeError):
            raise IOError("File not found: %s" % filename)


if __name__ == '__main__':
    # Example:
    with PowerShell('GBK') as ps:
        outs, errs = ps.run(r'Get-ChildItem G:\test1 -recurse|?{$_.Name -like "test*"}|select Name')
    #print('error:', os.linesep, errs)
    #print('output:', os.linesep, outs)
    print(outs)

标签：__,dirs,调用,python,self,sp,outs,os,powershell
来源： https://www.cnblogs.com/marit/p/16086109.html

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