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[utils] Add replace_extension

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This commit is contained in:
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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9
test/test_utils.py
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@ -42,6 +42,7 @@ from youtube_dl.utils import (
sanitize_path, sanitize_path,
sanitize_url_path_consecutive_slashes, sanitize_url_path_consecutive_slashes,
prepend_extension, prepend_extension,
replace_extension,
shell_quote, shell_quote,
smuggle_url, smuggle_url,
str_to_int, str_to_int,
@ -202,6 +203,14 @@ class TestUtil(unittest.TestCase):
self.assertEqual(prepend_extension('.abc', 'temp'), '.abc.temp') self.assertEqual(prepend_extension('.abc', 'temp'), '.abc.temp')
self.assertEqual(prepend_extension('.abc.ext', 'temp'), '.abc.temp.ext') self.assertEqual(prepend_extension('.abc.ext', 'temp'), '.abc.temp.ext')
def test_replace_extension(self):
self.assertEqual(replace_extension('abc.ext', 'temp'), 'abc.temp')
self.assertEqual(replace_extension('abc.ext', 'temp', 'ext'), 'abc.temp')
self.assertEqual(replace_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
self.assertEqual(replace_extension('abc', 'temp'), 'abc.temp')
self.assertEqual(replace_extension('.abc', 'temp'), '.abc.temp')
self.assertEqual(replace_extension('.abc.ext', 'temp'), '.abc.temp')
def test_ordered_set(self): def test_ordered_set(self):
self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7]) self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
self.assertEqual(orderedSet([]), []) self.assertEqual(orderedSet([]), [])

7
youtube_dl/utils.py
View File

@ -1357,6 +1357,13 @@ def prepend_extension(filename, ext, expected_real_ext=None):
else '{0}.{1}'.format(filename, ext)) 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=[]): def check_executable(exe, args=[]):
""" Checks if the given binary is installed somewhere in PATH, and returns its name. """ 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) """ args can be a list of arguments for a short output (like -version) """