Repository navigation
Expand file tree
/
Copy pathasyncio-subprocess.po
More file actions
429 lines (349 loc) · 12 KB
/
Copy pathasyncio-subprocess.po
File metadata and controls
429 lines (349 loc) · 12 KB
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
# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001 Python Software Foundation
# This file is distributed under the same license as the Python package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.15\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2026-07-29 15:50+0000\n"
"PO-Revision-Date: 2025-09-16 00:00+0000\n"
"Language-Team: Panjabi (Punjabi) (https://app.transifex.com/python-doc/"
"teams/5390/pa/)\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Language: pa\n"
"Plural-Forms: nplurals=2; plural=(n != 1);\n"
msgid "Subprocesses"
msgstr ""
msgid ""
"**Source code:** :source:`Lib/asyncio/subprocess.py`, :source:`Lib/asyncio/"
"base_subprocess.py`"
msgstr ""
msgid ""
"This section describes high-level async/await asyncio APIs to create and "
"manage subprocesses."
msgstr ""
msgid ""
"Here's an example of how asyncio can run a shell command and obtain its "
"result::"
msgstr ""
msgid ""
"import asyncio\n"
"\n"
"async def run(cmd):\n"
" proc = await asyncio.create_subprocess_shell(\n"
" cmd,\n"
" stdout=asyncio.subprocess.PIPE,\n"
" stderr=asyncio.subprocess.PIPE)\n"
"\n"
" stdout, stderr = await proc.communicate()\n"
"\n"
" print(f'[{cmd!r} exited with {proc.returncode}]')\n"
" if stdout:\n"
" print(f'[stdout]\\n{stdout.decode()}')\n"
" if stderr:\n"
" print(f'[stderr]\\n{stderr.decode()}')\n"
"\n"
"asyncio.run(run('ls /zzz'))"
msgstr ""
msgid "will print::"
msgstr ""
msgid ""
"['ls /zzz' exited with 1]\n"
"[stderr]\n"
"ls: /zzz: No such file or directory"
msgstr ""
msgid ""
"Because all asyncio subprocess functions are asynchronous and asyncio "
"provides many tools to work with such functions, it is easy to execute and "
"monitor multiple subprocesses in parallel. It is indeed trivial to modify "
"the above example to run several commands simultaneously::"
msgstr ""
msgid ""
"async def main():\n"
" await asyncio.gather(\n"
" run('ls /zzz'),\n"
" run('sleep 1; echo \"hello\"'))\n"
"\n"
"asyncio.run(main())"
msgstr ""
msgid "See also the `Examples`_ subsection."
msgstr ""
msgid "Creating Subprocesses"
msgstr ""
msgid "Create a subprocess."
msgstr ""
msgid ""
"The *limit* argument sets the buffer limit for :class:`StreamReader` "
"wrappers for :attr:`~asyncio.subprocess.Process.stdout` and :attr:`~asyncio."
"subprocess.Process.stderr` (if :const:`subprocess.PIPE` is passed to "
"*stdout* and *stderr* arguments)."
msgstr ""
msgid "Return a :class:`~asyncio.subprocess.Process` instance."
msgstr ""
msgid ""
"See the documentation of :meth:`loop.subprocess_exec` for other parameters."
msgstr ""
msgid ""
"If the process object is garbage collected while the process is still "
"running, the child process will be killed."
msgstr ""
msgid "Removed the *loop* parameter."
msgstr ""
msgid "Run the *cmd* shell command."
msgstr ""
msgid ""
"See the documentation of :meth:`loop.subprocess_shell` for other parameters."
msgstr ""
msgid ""
"It is the application's responsibility to ensure that all whitespace and "
"special characters are quoted appropriately to avoid `shell injection "
"<https://en.wikipedia.org/wiki/Shell_injection#Shell_injection>`_ "
"vulnerabilities. The :func:`shlex.quote` function can be used to properly "
"escape whitespace and special shell characters in strings that are going to "
"be used to construct shell commands."
msgstr ""
msgid ""
"Subprocesses are available for Windows if a :class:`ProactorEventLoop` is "
"used. See :ref:`Subprocess Support on Windows <asyncio-windows-subprocess>` "
"for details."
msgstr ""
msgid ""
"asyncio also has the following *low-level* APIs to work with subprocesses: :"
"meth:`loop.subprocess_exec`, :meth:`loop.subprocess_shell`, :meth:`loop."
"connect_read_pipe`, :meth:`loop.connect_write_pipe`, as well as the :ref:"
"`Subprocess Transports <asyncio-subprocess-transports>` and :ref:`Subprocess "
"Protocols <asyncio-subprocess-protocols>`."
msgstr ""
msgid "Constants"
msgstr ""
msgid "Can be passed to the *stdin*, *stdout* or *stderr* parameters."
msgstr ""
msgid ""
"If *PIPE* is passed to *stdin* argument, the :attr:`Process.stdin <asyncio."
"subprocess.Process.stdin>` attribute will point to a :class:`~asyncio."
"StreamWriter` instance."
msgstr ""
msgid ""
"If *PIPE* is passed to *stdout* or *stderr* arguments, the :attr:`Process."
"stdout <asyncio.subprocess.Process.stdout>` and :attr:`Process.stderr "
"<asyncio.subprocess.Process.stderr>` attributes will point to :class:"
"`~asyncio.StreamReader` instances."
msgstr ""
msgid ""
"Special value that can be used as the *stderr* argument and indicates that "
"standard error should be redirected into standard output."
msgstr ""
msgid ""
"Special value that can be used as the *stdin*, *stdout* or *stderr* argument "
"to process creation functions. It indicates that the special file :data:`os."
"devnull` will be used for the corresponding subprocess stream."
msgstr ""
msgid "Interacting with Subprocesses"
msgstr ""
msgid ""
"Both :func:`create_subprocess_exec` and :func:`create_subprocess_shell` "
"functions return instances of the *Process* class. *Process* is a high-"
"level wrapper that allows communicating with subprocesses and watching for "
"their completion."
msgstr ""
msgid ""
"An object that wraps OS processes created by the :func:`~asyncio."
"create_subprocess_exec` and :func:`~asyncio.create_subprocess_shell` "
"functions."
msgstr ""
msgid ""
"This class is designed to have a similar API to the :class:`subprocess."
"Popen` class, but there are some notable differences:"
msgstr ""
msgid ""
"unlike Popen, Process instances do not have an equivalent to the :meth:"
"`~subprocess.Popen.poll` method;"
msgstr ""
msgid ""
"the :meth:`~asyncio.subprocess.Process.communicate` and :meth:`~asyncio."
"subprocess.Process.wait` methods don't have a *timeout* parameter: use the :"
"func:`~asyncio.wait_for` function;"
msgstr ""
msgid ""
"the :meth:`Process.wait() <asyncio.subprocess.Process.wait>` method is "
"asynchronous, whereas :meth:`subprocess.Popen.wait` method is implemented as "
"a blocking busy loop;"
msgstr ""
msgid "the *universal_newlines* parameter is not supported."
msgstr ""
msgid "This class is :ref:`not thread safe <asyncio-multithreading>`."
msgstr ""
msgid ""
"See also the :ref:`Subprocess and Threads <asyncio-subprocess-threads>` "
"section."
msgstr ""
msgid "Wait for the child process to terminate."
msgstr ""
msgid "Set and return the :attr:`returncode` attribute."
msgstr ""
msgid ""
"This method can deadlock when using ``stdout=PIPE`` or ``stderr=PIPE`` and "
"the child process generates so much output that it blocks waiting for the OS "
"pipe buffer to accept more data. Use the :meth:`communicate` method when "
"using pipes to avoid this condition."
msgstr ""
msgid "Interact with process:"
msgstr ""
msgid "send data to *stdin* (if *input* is not ``None``);"
msgstr ""
msgid "closes *stdin*;"
msgstr ""
msgid "read data from *stdout* and *stderr*, until EOF is reached;"
msgstr ""
msgid "wait for process to terminate."
msgstr ""
msgid ""
"The optional *input* argument is the data (:class:`bytes` object) that will "
"be sent to the child process."
msgstr ""
msgid "Return a tuple ``(stdout_data, stderr_data)``."
msgstr ""
msgid ""
"If either :exc:`BrokenPipeError` or :exc:`ConnectionResetError` exception is "
"raised when writing *input* into *stdin*, the exception is ignored. This "
"condition occurs when the process exits before all data are written into "
"*stdin*."
msgstr ""
msgid ""
"If it is desired to send data to the process' *stdin*, the process needs to "
"be created with ``stdin=PIPE``. Similarly, to get anything other than "
"``None`` in the result tuple, the process has to be created with "
"``stdout=PIPE`` and/or ``stderr=PIPE`` arguments."
msgstr ""
msgid ""
"Note, that the data read is buffered in memory, so do not use this method if "
"the data size is large or unlimited."
msgstr ""
msgid "*stdin* gets closed when ``input=None`` too."
msgstr ""
msgid "Sends the signal *signal* to the child process."
msgstr ""
msgid ""
"On Windows, :py:const:`~signal.SIGTERM` is an alias for :meth:`terminate`. "
"``CTRL_C_EVENT`` and ``CTRL_BREAK_EVENT`` can be sent to processes started "
"with a *creationflags* parameter which includes ``CREATE_NEW_PROCESS_GROUP``."
msgstr ""
msgid "Stop the child process."
msgstr ""
msgid ""
"On POSIX systems this method sends :py:const:`~signal.SIGTERM` to the child "
"process."
msgstr ""
msgid ""
"On Windows the Win32 API function :c:func:`!TerminateProcess` is called to "
"stop the child process."
msgstr ""
msgid "Kill the child process."
msgstr ""
msgid ""
"On POSIX systems this method sends :py:data:`~signal.SIGKILL` to the child "
"process."
msgstr ""
msgid "On Windows this method is an alias for :meth:`terminate`."
msgstr ""
msgid ""
"Standard input stream (:class:`~asyncio.StreamWriter`) or ``None`` if the "
"process was created with ``stdin=None``."
msgstr ""
msgid ""
"Standard output stream (:class:`~asyncio.StreamReader`) or ``None`` if the "
"process was created with ``stdout=None``."
msgstr ""
msgid ""
"Standard error stream (:class:`~asyncio.StreamReader`) or ``None`` if the "
"process was created with ``stderr=None``."
msgstr ""
msgid ""
"Use the :meth:`communicate` method rather than :attr:`process.stdin.write() "
"<stdin>`, :attr:`await process.stdout.read() <stdout>` or :attr:`await "
"process.stderr.read() <stderr>`. This avoids deadlocks due to streams "
"pausing reading or writing and blocking the child process."
msgstr ""
msgid "Process identification number (PID)."
msgstr ""
msgid ""
"Note that for processes created by the :func:`~asyncio."
"create_subprocess_shell` function, this attribute is the PID of the spawned "
"shell."
msgstr ""
msgid "Return code of the process when it exits."
msgstr ""
msgid "A ``None`` value indicates that the process has not terminated yet."
msgstr ""
msgid ""
"For processes created with :func:`~asyncio.create_subprocess_exec`, a "
"negative value ``-N`` indicates that the child was terminated by signal "
"``N`` (POSIX only)."
msgstr ""
msgid ""
"For processes created with :func:`~asyncio.create_subprocess_shell`, the "
"return code reflects the exit status of the shell itself (e.g. ``/bin/sh``), "
"which may map signals to codes such as ``128+N``. See the documentation of "
"the shell (for example, the Bash manual's Exit Status) for details."
msgstr ""
msgid "Subprocess and Threads"
msgstr ""
msgid ""
"Standard asyncio event loop supports running subprocesses from different "
"threads by default."
msgstr ""
msgid ""
"On Windows subprocesses are provided by :class:`ProactorEventLoop` only "
"(default), :class:`SelectorEventLoop` has no subprocess support."
msgstr ""
msgid ""
"Note that alternative event loop implementations might have own limitations; "
"please refer to their documentation."
msgstr ""
msgid ""
"The :ref:`Concurrency and multithreading in asyncio <asyncio-"
"multithreading>` section."
msgstr ""
msgid "Examples"
msgstr ""
msgid ""
"An example using the :class:`~asyncio.subprocess.Process` class to control a "
"subprocess and the :class:`StreamReader` class to read from its standard "
"output."
msgstr ""
msgid ""
"The subprocess is created by the :func:`create_subprocess_exec` function::"
msgstr ""
msgid ""
"import asyncio\n"
"import sys\n"
"\n"
"async def get_date():\n"
" code = 'import datetime as dt; print(dt.datetime.now())'\n"
"\n"
" # Create the subprocess; redirect the standard output\n"
" # into a pipe.\n"
" proc = await asyncio.create_subprocess_exec(\n"
" sys.executable, '-c', code,\n"
" stdout=asyncio.subprocess.PIPE)\n"
"\n"
" # Read one line of output.\n"
" data = await proc.stdout.readline()\n"
" line = data.decode('ascii').rstrip()\n"
"\n"
" # Wait for the subprocess exit.\n"
" await proc.wait()\n"
" return line\n"
"\n"
"date = asyncio.run(get_date())\n"
"print(f\"Current date: {date}\")"
msgstr ""
msgid ""
"See also the :ref:`same example <asyncio_example_subprocess_proto>` written "
"using low-level APIs."
msgstr ""