mirror of
https://github.com/morpheus65535/bazarr
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83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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import logging
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import os
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import platform
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import subprocess
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from ffsubsync.constants import SUBSYNC_RESOURCES_ENV_MAGIC
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logging.basicConfig(level=logging.INFO)
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logger: logging.Logger = logging.getLogger(__name__)
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# ref: https://github.com/pyinstaller/pyinstaller/wiki/Recipe-subprocess
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# Create a set of arguments which make a ``subprocess.Popen`` (and
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# variants) call work with or without Pyinstaller, ``--noconsole`` or
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# not, on Windows and Linux. Typical use::
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#
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# subprocess.call(['program_to_run', 'arg_1'], **subprocess_args())
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#
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# When calling ``check_output``::
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#
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# subprocess.check_output(['program_to_run', 'arg_1'],
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# **subprocess_args(False))
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def subprocess_args(include_stdout=True):
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# The following is true only on Windows.
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if hasattr(subprocess, "STARTUPINFO"):
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# On Windows, subprocess calls will pop up a command window by default
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# when run from Pyinstaller with the ``--noconsole`` option. Avoid this
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# distraction.
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si = subprocess.STARTUPINFO()
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si.dwFlags |= subprocess.STARTF_USESHOWWINDOW
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# Windows doesn't search the path by default. Pass it an environment so
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# it will.
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env = os.environ
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else:
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si = None
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env = None
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# ``subprocess.check_output`` doesn't allow specifying ``stdout``::
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#
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# Traceback (most recent call last):
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# File "test_subprocess.py", line 58, in <module>
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# **subprocess_args(stdout=None))
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# File "C:\Python27\lib\subprocess.py", line 567, in check_output
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# raise ValueError('stdout argument not allowed, it will be overridden.')
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# ValueError: stdout argument not allowed, it will be overridden.
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#
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# So, add it only if it's needed.
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if include_stdout:
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ret = {"stdout": subprocess.PIPE}
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else:
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ret = {}
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# On Windows, running this from the binary produced by Pyinstaller
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# with the ``--noconsole`` option requires redirecting everything
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# (stdin, stdout, stderr) to avoid an OSError exception
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# "[Error 6] the handle is invalid."
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ret.update(
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{
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"stdin": subprocess.PIPE,
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"stderr": subprocess.PIPE,
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"startupinfo": si,
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"env": env,
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}
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)
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return ret
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def ffmpeg_bin_path(bin_name, gui_mode, ffmpeg_resources_path=None):
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if platform.system() == "Windows":
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bin_name = "{}.exe".format(bin_name)
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if ffmpeg_resources_path is not None:
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return os.path.join(ffmpeg_resources_path, bin_name)
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try:
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resource_path = os.environ[SUBSYNC_RESOURCES_ENV_MAGIC]
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if len(resource_path) > 0:
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return os.path.join(resource_path, "ffmpeg-bin", bin_name)
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except KeyError:
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if gui_mode:
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logger.info(
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"Couldn't find resource path; falling back to searching system path"
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)
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return bin_name
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