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[utils] Add replace_extension

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Sergey M․ 2015-05-02 23:23:06 +06:00
parent 666a9a2b95
commit b3ed15b760
2 changed files with 16 additions and 0 deletions
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7
youtube_dl/utils.py
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@ -1357,6 +1357,13 @@ def prepend_extension(filename, ext, expected_real_ext=None):
else '{0}.{1}'.format(filename, ext))
def replace_extension(filename, ext, expected_real_ext=None):
name, real_ext = os.path.splitext(filename)
return '{0}.{1}'.format(
name if not expected_real_ext or real_ext[1:] == expected_real_ext else filename,
ext)
def check_executable(exe, args=[]):
""" Checks if the given binary is installed somewhere in PATH, and returns its name.
args can be a list of arguments for a short output (like -version) """