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Change JSON serialization to custom json.dumps #31100

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Merged
merged 3 commits into from
Jun 12, 2024
Merged

Change JSON serialization to custom json.dumps #31100

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2cea058
Change JSON serialization to custom json.dumps to prevent escaping of…
May 29, 2024
409c896
caller has control over the order, remove sort_key=True
May 31, 2024
b5d2ba0
Move tojson into a proper function and expose a couple of other args
Rocketknight1 Jun 12, 2024
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7 changes: 6 additions & 1 deletion src/transformers/tokenization_utils_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1852,8 +1852,13 @@ def _compile_jinja_template(self, chat_template):
def raise_exception(message):
raise TemplateError(message)

def tojson(x, ensure_ascii=False, indent=None, separators=None, sort_keys=False):
# We override the built-in tojson filter because Jinja's default filter escapes HTML characters
# We also expose some options like custom indents and separators
return json.dumps(x, ensure_ascii=ensure_ascii, indent=indent, separators=separators, sort_keys=sort_keys)

jinja_env = ImmutableSandboxedEnvironment(trim_blocks=True, lstrip_blocks=True)
jinja_env.policies["json.dumps_kwargs"]["ensure_ascii"] = False
jinja_env.filters["tojson"] = tojson
jinja_env.globals["raise_exception"] = raise_exception
return jinja_env.from_string(chat_template)

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