File: pproc.py

package info (click to toggle)
nekobee 0.1.8~repack1-1
  • links: PTS, VCS
  • area: main
  • in suites: buster, sid, stretch
  • size: 1,176 kB
  • ctags: 1,680
  • sloc: python: 11,173; ansic: 4,425; makefile: 37; sh: 1
file content (496 lines) | stat: -rw-r--r-- 14,794 bytes parent folder | download | duplicates (20)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
#! /usr/bin/env python
# encoding: utf-8

import sys
mswindows=(sys.platform=="win32")
import os
import types
import traceback
import gc
class CalledProcessError(Exception):
	def __init__(self,returncode,cmd):
		self.returncode=returncode
		self.cmd=cmd
	def __str__(self):
		return"Command '%s' returned non-zero exit status %d"%(self.cmd,self.returncode)
if mswindows:
	import threading
	import msvcrt
	if 0:
		import pywintypes
		from win32api import GetStdHandle,STD_INPUT_HANDLE,STD_OUTPUT_HANDLE,STD_ERROR_HANDLE
		from win32api import GetCurrentProcess,DuplicateHandle,GetModuleFileName,GetVersion
		from win32con import DUPLICATE_SAME_ACCESS,SW_HIDE
		from win32pipe import CreatePipe
		from win32process import CreateProcess,STARTUPINFO,GetExitCodeProcess,STARTF_USESTDHANDLES,STARTF_USESHOWWINDOW,CREATE_NEW_CONSOLE
		from win32event import WaitForSingleObject,INFINITE,WAIT_OBJECT_0
	else:
		from _subprocess import*
		class STARTUPINFO:
			dwFlags=0
			hStdInput=None
			hStdOutput=None
			hStdError=None
			wShowWindow=0
		class pywintypes:
			error=IOError
else:
	import select
	import errno
	import fcntl
	import pickle
__all__=["Popen","PIPE","STDOUT","call","check_call","CalledProcessError"]
try:
	MAXFD=os.sysconf("SC_OPEN_MAX")
except:
	MAXFD=256
try:
	False
except NameError:
	False=0
	True=1
_active=[]
def _cleanup():
	for inst in _active[:]:
		if inst.poll(_deadstate=sys.maxint)>=0:
			try:
				_active.remove(inst)
			except ValueError:
				pass
PIPE=-1
STDOUT=-2
def call(*popenargs,**kwargs):
	return Popen(*popenargs,**kwargs).wait()
def check_call(*popenargs,**kwargs):
	retcode=call(*popenargs,**kwargs)
	cmd=kwargs.get("args")
	if cmd is None:
		cmd=popenargs[0]
	if retcode:
		raise CalledProcessError(retcode,cmd)
	return retcode
def list2cmdline(seq):
	result=[]
	needquote=False
	for arg in seq:
		bs_buf=[]
		if result:
			result.append(' ')
		needquote=(" "in arg)or("\t"in arg)or arg==""
		if needquote:
			result.append('"')
		for c in arg:
			if c=='\\':
				bs_buf.append(c)
			elif c=='"':
				result.append('\\'*len(bs_buf)*2)
				bs_buf=[]
				result.append('\\"')
			else:
				if bs_buf:
					result.extend(bs_buf)
					bs_buf=[]
				result.append(c)
		if bs_buf:
			result.extend(bs_buf)
		if needquote:
			result.extend(bs_buf)
			result.append('"')
	return''.join(result)
class Popen(object):
	def __init__(self,args,bufsize=0,executable=None,stdin=None,stdout=None,stderr=None,preexec_fn=None,close_fds=False,shell=False,cwd=None,env=None,universal_newlines=False,startupinfo=None,creationflags=0):
		_cleanup()
		self._child_created=False
		if not isinstance(bufsize,(int,long)):
			raise TypeError("bufsize must be an integer")
		if mswindows:
			if preexec_fn is not None:
				raise ValueError("preexec_fn is not supported on Windows platforms")
			if close_fds:
				raise ValueError("close_fds is not supported on Windows platforms")
		else:
			if startupinfo is not None:
				raise ValueError("startupinfo is only supported on Windows platforms")
			if creationflags!=0:
				raise ValueError("creationflags is only supported on Windows platforms")
		self.stdin=None
		self.stdout=None
		self.stderr=None
		self.pid=None
		self.returncode=None
		self.universal_newlines=universal_newlines
		(p2cread,p2cwrite,c2pread,c2pwrite,errread,errwrite)=self._get_handles(stdin,stdout,stderr)
		self._execute_child(args,executable,preexec_fn,close_fds,cwd,env,universal_newlines,startupinfo,creationflags,shell,p2cread,p2cwrite,c2pread,c2pwrite,errread,errwrite)
		if mswindows:
			if stdin is None and p2cwrite is not None:
				os.close(p2cwrite)
				p2cwrite=None
			if stdout is None and c2pread is not None:
				os.close(c2pread)
				c2pread=None
			if stderr is None and errread is not None:
				os.close(errread)
				errread=None
		if p2cwrite:
			self.stdin=os.fdopen(p2cwrite,'wb',bufsize)
		if c2pread:
			if universal_newlines:
				self.stdout=os.fdopen(c2pread,'rU',bufsize)
			else:
				self.stdout=os.fdopen(c2pread,'rb',bufsize)
		if errread:
			if universal_newlines:
				self.stderr=os.fdopen(errread,'rU',bufsize)
			else:
				self.stderr=os.fdopen(errread,'rb',bufsize)
	def _translate_newlines(self,data):
		data=data.replace("\r\n","\n")
		data=data.replace("\r","\n")
		return data
	def __del__(self,sys=sys):
		if not self._child_created:
			return
		self.poll(_deadstate=sys.maxint)
		if self.returncode is None and _active is not None:
			_active.append(self)
	def communicate(self,input=None):
		if[self.stdin,self.stdout,self.stderr].count(None)>=2:
			stdout=None
			stderr=None
			if self.stdin:
				if input:
					self.stdin.write(input)
				self.stdin.close()
			elif self.stdout:
				stdout=self.stdout.read()
			elif self.stderr:
				stderr=self.stderr.read()
			self.wait()
			return(stdout,stderr)
		return self._communicate(input)
	if mswindows:
		def _get_handles(self,stdin,stdout,stderr):
			if stdin is None and stdout is None and stderr is None:
				return(None,None,None,None,None,None)
			p2cread,p2cwrite=None,None
			c2pread,c2pwrite=None,None
			errread,errwrite=None,None
			if stdin is None:
				p2cread=GetStdHandle(STD_INPUT_HANDLE)
			if p2cread is not None:
				pass
			elif stdin is None or stdin==PIPE:
				p2cread,p2cwrite=CreatePipe(None,0)
				p2cwrite=p2cwrite.Detach()
				p2cwrite=msvcrt.open_osfhandle(p2cwrite,0)
			elif isinstance(stdin,int):
				p2cread=msvcrt.get_osfhandle(stdin)
			else:
				p2cread=msvcrt.get_osfhandle(stdin.fileno())
			p2cread=self._make_inheritable(p2cread)
			if stdout is None:
				c2pwrite=GetStdHandle(STD_OUTPUT_HANDLE)
			if c2pwrite is not None:
				pass
			elif stdout is None or stdout==PIPE:
				c2pread,c2pwrite=CreatePipe(None,0)
				c2pread=c2pread.Detach()
				c2pread=msvcrt.open_osfhandle(c2pread,0)
			elif isinstance(stdout,int):
				c2pwrite=msvcrt.get_osfhandle(stdout)
			else:
				c2pwrite=msvcrt.get_osfhandle(stdout.fileno())
			c2pwrite=self._make_inheritable(c2pwrite)
			if stderr is None:
				errwrite=GetStdHandle(STD_ERROR_HANDLE)
			if errwrite is not None:
				pass
			elif stderr is None or stderr==PIPE:
				errread,errwrite=CreatePipe(None,0)
				errread=errread.Detach()
				errread=msvcrt.open_osfhandle(errread,0)
			elif stderr==STDOUT:
				errwrite=c2pwrite
			elif isinstance(stderr,int):
				errwrite=msvcrt.get_osfhandle(stderr)
			else:
				errwrite=msvcrt.get_osfhandle(stderr.fileno())
			errwrite=self._make_inheritable(errwrite)
			return(p2cread,p2cwrite,c2pread,c2pwrite,errread,errwrite)
		def _make_inheritable(self,handle):
			return DuplicateHandle(GetCurrentProcess(),handle,GetCurrentProcess(),0,1,DUPLICATE_SAME_ACCESS)
		def _find_w9xpopen(self):
			w9xpopen=os.path.join(os.path.dirname(GetModuleFileName(0)),"w9xpopen.exe")
			if not os.path.exists(w9xpopen):
				w9xpopen=os.path.join(os.path.dirname(sys.exec_prefix),"w9xpopen.exe")
				if not os.path.exists(w9xpopen):
					raise RuntimeError("Cannot locate w9xpopen.exe, which is needed for Popen to work with your shell or platform.")
			return w9xpopen
		def _execute_child(self,args,executable,preexec_fn,close_fds,cwd,env,universal_newlines,startupinfo,creationflags,shell,p2cread,p2cwrite,c2pread,c2pwrite,errread,errwrite):
			if not isinstance(args,types.StringTypes):
				args=list2cmdline(args)
			if startupinfo is None:
				startupinfo=STARTUPINFO()
			if None not in(p2cread,c2pwrite,errwrite):
				startupinfo.dwFlags|=STARTF_USESTDHANDLES
				startupinfo.hStdInput=p2cread
				startupinfo.hStdOutput=c2pwrite
				startupinfo.hStdError=errwrite
			if shell:
				startupinfo.dwFlags|=STARTF_USESHOWWINDOW
				startupinfo.wShowWindow=SW_HIDE
				comspec=os.environ.get("COMSPEC","cmd.exe")
				args=comspec+" /c "+args
				if(GetVersion()>=0x80000000L or os.path.basename(comspec).lower()=="command.com"):
					w9xpopen=self._find_w9xpopen()
					args='"%s" %s'%(w9xpopen,args)
					creationflags|=CREATE_NEW_CONSOLE
			try:
				hp,ht,pid,tid=CreateProcess(executable,args,None,None,1,creationflags,env,cwd,startupinfo)
			except pywintypes.error,e:
				raise WindowsError(*e.args)
			self._child_created=True
			self._handle=hp
			self.pid=pid
			ht.Close()
			if p2cread is not None:
				p2cread.Close()
			if c2pwrite is not None:
				c2pwrite.Close()
			if errwrite is not None:
				errwrite.Close()
		def poll(self,_deadstate=None):
			if self.returncode is None:
				if WaitForSingleObject(self._handle,0)==WAIT_OBJECT_0:
					self.returncode=GetExitCodeProcess(self._handle)
			return self.returncode
		def wait(self):
			if self.returncode is None:
				obj=WaitForSingleObject(self._handle,INFINITE)
				self.returncode=GetExitCodeProcess(self._handle)
			return self.returncode
		def _readerthread(self,fh,buffer):
			buffer.append(fh.read())
		def _communicate(self,input):
			stdout=None
			stderr=None
			if self.stdout:
				stdout=[]
				stdout_thread=threading.Thread(target=self._readerthread,args=(self.stdout,stdout))
				stdout_thread.setDaemon(True)
				stdout_thread.start()
			if self.stderr:
				stderr=[]
				stderr_thread=threading.Thread(target=self._readerthread,args=(self.stderr,stderr))
				stderr_thread.setDaemon(True)
				stderr_thread.start()
			if self.stdin:
				if input is not None:
					self.stdin.write(input)
				self.stdin.close()
			if self.stdout:
				stdout_thread.join()
			if self.stderr:
				stderr_thread.join()
			if stdout is not None:
				stdout=stdout[0]
			if stderr is not None:
				stderr=stderr[0]
			if self.universal_newlines and hasattr(file,'newlines'):
				if stdout:
					stdout=self._translate_newlines(stdout)
				if stderr:
					stderr=self._translate_newlines(stderr)
			self.wait()
			return(stdout,stderr)
	else:
		def _get_handles(self,stdin,stdout,stderr):
			p2cread,p2cwrite=None,None
			c2pread,c2pwrite=None,None
			errread,errwrite=None,None
			if stdin is None:
				pass
			elif stdin==PIPE:
				p2cread,p2cwrite=os.pipe()
			elif isinstance(stdin,int):
				p2cread=stdin
			else:
				p2cread=stdin.fileno()
			if stdout is None:
				pass
			elif stdout==PIPE:
				c2pread,c2pwrite=os.pipe()
			elif isinstance(stdout,int):
				c2pwrite=stdout
			else:
				c2pwrite=stdout.fileno()
			if stderr is None:
				pass
			elif stderr==PIPE:
				errread,errwrite=os.pipe()
			elif stderr==STDOUT:
				errwrite=c2pwrite
			elif isinstance(stderr,int):
				errwrite=stderr
			else:
				errwrite=stderr.fileno()
			return(p2cread,p2cwrite,c2pread,c2pwrite,errread,errwrite)
		def _set_cloexec_flag(self,fd):
			try:
				cloexec_flag=fcntl.FD_CLOEXEC
			except AttributeError:
				cloexec_flag=1
			old=fcntl.fcntl(fd,fcntl.F_GETFD)
			fcntl.fcntl(fd,fcntl.F_SETFD,old|cloexec_flag)
		def _close_fds(self,but):
			for i in xrange(3,MAXFD):
				if i==but:
					continue
				try:
					os.close(i)
				except:
					pass
		def _execute_child(self,args,executable,preexec_fn,close_fds,cwd,env,universal_newlines,startupinfo,creationflags,shell,p2cread,p2cwrite,c2pread,c2pwrite,errread,errwrite):
			if isinstance(args,types.StringTypes):
				args=[args]
			else:
				args=list(args)
			if shell:
				args=["/bin/sh","-c"]+args
			if executable is None:
				executable=args[0]
			errpipe_read,errpipe_write=os.pipe()
			self._set_cloexec_flag(errpipe_write)
			gc_was_enabled=gc.isenabled()
			gc.disable()
			try:
				self.pid=os.fork()
			except:
				if gc_was_enabled:
					gc.enable()
				raise
			self._child_created=True
			if self.pid==0:
				try:
					if p2cwrite:
						os.close(p2cwrite)
					if c2pread:
						os.close(c2pread)
					if errread:
						os.close(errread)
					os.close(errpipe_read)
					if p2cread:
						os.dup2(p2cread,0)
					if c2pwrite:
						os.dup2(c2pwrite,1)
					if errwrite:
						os.dup2(errwrite,2)
					if p2cread and p2cread not in(0,):
						os.close(p2cread)
					if c2pwrite and c2pwrite not in(p2cread,1):
						os.close(c2pwrite)
					if errwrite and errwrite not in(p2cread,c2pwrite,2):
						os.close(errwrite)
					if close_fds:
						self._close_fds(but=errpipe_write)
					if cwd is not None:
						os.chdir(cwd)
					if preexec_fn:
						apply(preexec_fn)
					if env is None:
						os.execvp(executable,args)
					else:
						os.execvpe(executable,args,env)
				except:
					exc_type,exc_value,tb=sys.exc_info()
					exc_lines=traceback.format_exception(exc_type,exc_value,tb)
					exc_value.child_traceback=''.join(exc_lines)
					os.write(errpipe_write,pickle.dumps(exc_value))
				os._exit(255)
			if gc_was_enabled:
				gc.enable()
			os.close(errpipe_write)
			if p2cread and p2cwrite:
				os.close(p2cread)
			if c2pwrite and c2pread:
				os.close(c2pwrite)
			if errwrite and errread:
				os.close(errwrite)
			data=os.read(errpipe_read,1048576)
			os.close(errpipe_read)
			if data!="":
				os.waitpid(self.pid,0)
				child_exception=pickle.loads(data)
				raise child_exception
		def _handle_exitstatus(self,sts):
			if os.WIFSIGNALED(sts):
				self.returncode=-os.WTERMSIG(sts)
			elif os.WIFEXITED(sts):
				self.returncode=os.WEXITSTATUS(sts)
			else:
				raise RuntimeError("Unknown child exit status!")
		def poll(self,_deadstate=None):
			if self.returncode is None:
				try:
					pid,sts=os.waitpid(self.pid,os.WNOHANG)
					if pid==self.pid:
						self._handle_exitstatus(sts)
				except os.error:
					if _deadstate is not None:
						self.returncode=_deadstate
			return self.returncode
		def wait(self):
			if self.returncode is None:
				pid,sts=os.waitpid(self.pid,0)
				self._handle_exitstatus(sts)
			return self.returncode
		def _communicate(self,input):
			read_set=[]
			write_set=[]
			stdout=None
			stderr=None
			if self.stdin:
				self.stdin.flush()
				if input:
					write_set.append(self.stdin)
				else:
					self.stdin.close()
			if self.stdout:
				read_set.append(self.stdout)
				stdout=[]
			if self.stderr:
				read_set.append(self.stderr)
				stderr=[]
			input_offset=0
			while read_set or write_set:
				rlist,wlist,xlist=select.select(read_set,write_set,[])
				if self.stdin in wlist:
					bytes_written=os.write(self.stdin.fileno(),buffer(input,input_offset,512))
					input_offset+=bytes_written
					if input_offset>=len(input):
						self.stdin.close()
						write_set.remove(self.stdin)
				if self.stdout in rlist:
					data=os.read(self.stdout.fileno(),1024)
					if data=="":
						self.stdout.close()
						read_set.remove(self.stdout)
					stdout.append(data)
				if self.stderr in rlist:
					data=os.read(self.stderr.fileno(),1024)
					if data=="":
						self.stderr.close()
						read_set.remove(self.stderr)
					stderr.append(data)
			if stdout is not None:
				stdout=''.join(stdout)
			if stderr is not None:
				stderr=''.join(stderr)
			if self.universal_newlines and hasattr(file,'newlines'):
				if stdout:
					stdout=self._translate_newlines(stdout)
				if stderr:
					stderr=self._translate_newlines(stderr)
			self.wait()
			return(stdout,stderr)