63 lines
1.6 KiB
Python
63 lines
1.6 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import argparse
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import functools
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import os.path
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import subprocess
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import sys
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dirn = os.path.dirname
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sys.path.insert(0, dirn(dirn(os.path.abspath(__file__))))
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from youtube_dl.compat import (
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compat_kwargs,
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compat_open as open,
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)
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def read_file(fname):
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with open(fname, encoding='utf-8') as f:
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return f.read()
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def write_file(fname, content, mode='w'):
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with open(fname, mode, encoding='utf-8') as f:
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return f.write(content)
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def read_version(fname='youtube_dl/version.py'):
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"""Get the version without importing the package"""
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exec(compile(read_file(fname), fname, 'exec'))
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return locals()['__version__']
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def get_filename_args(has_infile=False, default_outfile=None):
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parser = argparse.ArgumentParser()
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if has_infile:
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parser.add_argument('infile', help='Input file')
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kwargs = {'nargs': '?', 'default': default_outfile} if default_outfile else {}
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kwargs['help'] = 'Output file'
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parser.add_argument('outfile', **compat_kwargs(kwargs))
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opts = parser.parse_args()
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if has_infile:
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return opts.infile, opts.outfile
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return opts.outfile
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def compose_functions(*functions):
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return lambda x: functools.reduce(lambda y, f: f(y), functions, x)
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def run_process(*args, **kwargs):
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kwargs.setdefault('text', True)
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kwargs.setdefault('check', True)
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kwargs.setdefault('capture_output', True)
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if kwargs['text']:
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kwargs.setdefault('encoding', 'utf-8')
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kwargs.setdefault('errors', 'replace')
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kwargs = compat_kwargs(kwargs)
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return subprocess.run(args, **kwargs)
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