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escape "[]=;:," characters in filter arguments to avoid early termination

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This commit is contained in:
Davide Depau 2017-07-10 21:45:28 +02:00
parent a986cbe9fb
commit efc0104ae4
1 changed files with 16 additions and 2 deletions
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18
ffmpeg/nodes.py
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@ -1,6 +1,7 @@
from __future__ import unicode_literals from __future__ import unicode_literals
from builtins import object from builtins import object
from past.builtins import basestring
import hashlib import hashlib
import json import json
@ -51,8 +52,21 @@ class FilterNode(Node):
"""FilterNode""" """FilterNode"""
def _get_filter(self): def _get_filter(self):
params_text = self._name params_text = self._name
arg_params = ['{}'.format(arg) for arg in self._args]
kwarg_params = ['{}={}'.format(k, self._kwargs[k]) for k in sorted(self._kwargs)] # Helper function to escape uncomfortable characters
def escape_chars(seq, keys):
for k in keys:
if not isinstance(seq[k], basestring):
continue
for ch in "[]=;:,":
seq[k] = seq[k].replace(ch, "\\\\"+ch)
return seq
_args = escape_chars(self._args[:], range(len(self._args)))
_kwargs = escape_chars(self._kwargs.copy(), self._kwargs.keys())
arg_params = ['{}'.format(arg) for arg in _args]
kwarg_params = ['{}={}'.format(k, _kwargs[k]) for k in sorted(_kwargs)]
params = arg_params + kwarg_params params = arg_params + kwarg_params
if params: if params:
params_text += '={}'.format(':'.join(params)) params_text += '={}'.format(':'.join(params))