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import datetime
import decimal
import json
import warnings
from typing import Any
from itemadapter import ItemAdapter, is_item
from twisted.internet import defer
from scrapy.exceptions import ScrapyDeprecationWarning
from scrapy.http import Request, Response
class ScrapyJSONEncoder(json.JSONEncoder):
DATE_FORMAT = "%Y-%m-%d"
TIME_FORMAT = "%H:%M:%S"
def default(self, o: Any) -> Any:
if isinstance(o, set):
return list(o)
if isinstance(o, datetime.datetime):
return o.strftime(f"{self.DATE_FORMAT} {self.TIME_FORMAT}")
if isinstance(o, datetime.date):
return o.strftime(self.DATE_FORMAT)
if isinstance(o, datetime.time):
return o.strftime(self.TIME_FORMAT)
if isinstance(o, decimal.Decimal):
return str(o)
if isinstance(o, defer.Deferred):
return str(o)
if isinstance(o, Request):
return f"<{type(o).__name__} {o.method} {o.url}>"
if isinstance(o, Response):
return f"<{type(o).__name__} {o.status} {o.url}>"
if is_item(o):
return ItemAdapter(o).asdict()
return super().default(o)
class ScrapyJSONDecoder(json.JSONDecoder):
def __init__(self, *args, **kwargs):
warnings.warn(
"The ScrapyJSONDecoder class is deprecated and will be removed in a future version of Scrapy.",
category=ScrapyDeprecationWarning,
stacklevel=2,
)
super().__init__(*args, **kwargs)
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