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Improve output template (see desc)

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* Objects can be traversed like `%(field.key1.key2)s`
* A number can be added to the field as `%(field+n)s`
* Deprecates `--autonumber-start`
This commit is contained in:
pukkandan
2021-04-15 18:01:16 +05:30
parent 26e2805c3f
commit a439a3a45c
5 changed files with 78 additions and 36 deletions
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25
yt_dlp/utils.py
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@ -6092,11 +6092,20 @@ def load_plugins(name, type, namespace):
def traverse_dict(dictn, keys, casesense=True):
if not isinstance(dictn, dict):
return None
first_key = keys[0]
if not casesense:
dictn = {key.lower(): val for key, val in dictn.items()}
first_key = first_key.lower()
value = dictn.get(first_key, None)
return value if len(keys) < 2 else traverse_dict(value, keys[1:], casesense)
keys = list(keys)[::-1]
while keys:
key = keys.pop()
if isinstance(dictn, dict):
if not casesense:
dictn = {k.lower(): v for k, v in dictn.items()}
key = key.lower()
dictn = dictn.get(key)
elif isinstance(dictn, (list, tuple, compat_str)):
key, n = int_or_none(key), len(dictn)
if key is not None and -n <= key < n:
dictn = dictn[key]
else:
dictn = None
else:
return None
return dictn