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File: /cleanup.py
Project: utils
Created Date: Saturday January 31st 2026
Author: Christian Nonis <alch.infoemail@gmail.com>
-----
Last Modified: Thursday February 19th 2026 7:45:12 pm
Modified By: Christian Nonis <alch.infoemail@gmail.com>
-----
"""
import json
import re
def _repair_array_json(s: str) -> str:
s = s.replace(',"{', ",{")
s = re.sub(r'\}{2,}\s*,\s*"', '},"', s)
return s
def _repair_trailing_commas(s: str) -> str:
s = re.sub(r',\s*]', ']', s)
s = re.sub(r',\s*}', '}', s)
return s
def _extract_json_array_after_key(text: str, key: str):
pattern = re.escape(key) + r"\s*:\s*\["
match = re.search(pattern, text)
if not match:
return None
start = match.end() - 1
depth = 0
i = start
while i < len(text):
if text[i] == "[":
depth += 1
elif text[i] == "]":
depth -= 1
if depth == 0:
substring = text[start : i + 1]
try:
return json.loads(substring)
except Exception:
try:
return json.loads(_repair_array_json(substring))
except Exception:
return None
i += 1
return None
def strip_properties(
objs: list[dict], pop_also: list[str] | None = None
) -> list[dict]:
if pop_also is None:
pop_also = []
cleaned_objs = []
for obj in objs:
if not isinstance(obj, dict):
cleaned_objs.append(obj)
continue
cleaned_obj = obj.copy()
keys_to_pop = []
for key, value in cleaned_obj.items():
if key in pop_also:
keys_to_pop.append(key)
continue
# Python's bool type are subclasses of int, False is 0 and True is 1.
# This can lead to unexpected behavior if '0' or '1' are used as keys.
if isinstance(key, bool):
continue
if isinstance(value, dict):
if len(value.keys()) == 0:
keys_to_pop.append(key)
else:
cleaned_obj[key] = strip_properties([value], pop_also)[0]
elif isinstance(value, list):
if len(value) == 0:
keys_to_pop.append(key)
else:
new_list = []
for item in value:
if isinstance(item, dict):
new_list.append(strip_properties([item], pop_also)[0])
else:
new_list.append(item)
cleaned_obj[key] = new_list
elif isinstance(value, str):
if len(value.strip()) == 0:
keys_to_pop.append(key)
elif value is None:
keys_to_pop.append(key)
for key in keys_to_pop:
cleaned_obj.pop(key)
cleaned_objs.append(cleaned_obj)
return cleaned_objs
def _last_json_object(text: str) -> dict:
if not text or "{" not in text:
return {}
start = text.rfind("{")
depth = 0
for i in range(start, len(text)):
if text[i] == "{":
depth += 1
elif text[i] == "}":
depth -= 1
if depth == 0:
try:
return json.loads(text[start : i + 1])
except Exception:
try:
return json.loads(_repair_array_json(text[start : i + 1]))
except Exception:
pass
return {}
return {}
def strip_json(text: str) -> dict:
if not text:
return {}
if not isinstance(text, str):
return {}
raw = text.strip().replace("```json", "").replace("```", "").strip()
try:
parsed = json.loads(raw)
if isinstance(parsed, dict):
return parsed
if isinstance(parsed, list):
return {"entities": parsed}
except Exception:
pass
try:
repaired = _repair_array_json(raw)
parsed = json.loads(repaired)
if isinstance(parsed, dict):
return parsed
if isinstance(parsed, list):
return {"entities": parsed}
except Exception:
pass
try:
repaired = _repair_trailing_commas(raw)
parsed = json.loads(repaired)
if isinstance(parsed, dict):
return parsed
if isinstance(parsed, list):
return {"entities": parsed}
except Exception:
pass
if raw.strip().startswith("["):
depth = 0
start = raw.index("[")
end = start
for i in range(start, len(raw)):
if raw[i] == "[":
depth += 1
elif raw[i] == "]":
depth -= 1
if depth == 0:
end = i + 1
break
if end > start:
substring = raw[start:end]
for repair in (lambda s: s, _repair_trailing_commas, _repair_array_json):
try:
parsed = json.loads(repair(substring))
if isinstance(parsed, list):
return {"entities": parsed}
except Exception:
continue
obj_match = re.search(r"\{.*\}", raw, flags=re.DOTALL)
if obj_match:
try:
return json.loads(obj_match.group(0))
except Exception:
try:
return json.loads(_repair_array_json(obj_match.group(0)))
except Exception:
pass
entities = _extract_json_array_after_key(raw, "entities")
if entities is not None:
return {"entities": entities}
last = _last_json_object(raw)
if last and isinstance(last.get("entities"), list):
return last
return {}
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