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# SPDX-License-Identifier: AGPL-3.0-or-later
"""Compatibility with older versions"""
# pylint: disable=unused-import
__all__ = [
"tomllib",
]
import sys
import warnings
# TOML (lib) compatibility
# ------------------------
if sys.version_info >= (3, 11):
import tomllib
else:
import tomli as tomllib
# limiter backward compatibility
# ------------------------------
LIMITER_CFG_DEPRECATED = {
"real_ip": "limiter: config section 'real_ip' is deprecated",
"real_ip.x_for": "real_ip.x_for has been replaced by botdetection.trusted_proxies",
"real_ip.ipv4_prefix": "real_ip.ipv4_prefix has been replaced by botdetection.ipv4_prefix",
"real_ip.ipv6_prefix": "real_ip.ipv6_prefix has been replaced by botdetection.ipv6_prefix'",
}
def limiter_fix_cfg(cfg, cfg_file):
kwargs = {
"category": DeprecationWarning,
"filename": str(cfg_file),
"lineno": 0,
"module": "searx.limiter",
}
for opt, msg in LIMITER_CFG_DEPRECATED.items():
try:
val = cfg.get(opt)
except KeyError:
continue
warnings.warn_explicit(msg, **kwargs)
if opt == "real_ip.ipv4_prefix":
cfg.set("botdetection.ipv4_prefix", val)
if opt == "real_ip.ipv6_prefix":
cfg.set("botdetection.ipv6_prefix", val)
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