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import argparse
import functools
def read_file(fname):
with open(fname, encoding='utf-8') as f:
return f.read()
def write_file(fname, content, mode='w'):
with open(fname, mode, encoding='utf-8') as f:
return f.write(content)
# Get the version without importing the package
def read_version(fname='hypervideo_dl/version.py'):
exec(compile(read_file(fname), fname, 'exec'))
return locals()['__version__']
def get_filename_args(has_infile=False, default_outfile=None):
parser = argparse.ArgumentParser()
if has_infile:
parser.add_argument('infile', help='Input file')
kwargs = {'nargs': '?', 'default': default_outfile} if default_outfile else {}
parser.add_argument('outfile', **kwargs, help='Output file')
opts = parser.parse_args()
if has_infile:
return opts.infile, opts.outfile
return opts.outfile
def compose_functions(*functions):
return lambda x: functools.reduce(lambda y, f: f(y), functions, x)
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