Files
Scrapling/scrapling/spiders/request.py
T

75 lines
2.4 KiB
Python

from urllib.parse import urlparse
from scrapling.engines.toolbelt.custom import Response
from scrapling.core._types import Any, AsyncGenerator, Callable, Dict, Union
class Request:
def __init__(
self,
url: str,
sid: str = "",
callback: Callable[[Response], AsyncGenerator[Union[Dict[str, Any], "Request", None], None]] | None = None,
priority: int = 0,
dont_filter: bool = False,
meta: dict[str, Any] | None = None,
_retry_count: int = 0,
**kwargs: Any,
) -> None:
self.url: str = url
self.sid: str = sid
self.callback = callback
self.priority: int = priority
self.dont_filter: bool = dont_filter
self.meta: dict[str, Any] = meta if meta else {}
self._retry_count: int = _retry_count
self._session_kwargs = kwargs if kwargs else {}
def copy(self) -> "Request":
"""Create a copy of this request."""
return Request(
url=self.url,
sid=self.sid,
callback=self.callback,
priority=self.priority,
dont_filter=self.dont_filter,
meta=self.meta.copy(),
_retry_count=self._retry_count,
**self._session_kwargs,
)
@property
def domain(self) -> str:
return urlparse(self.url).netloc
@property
def _fp(self) -> str:
"""Generate a unique fingerprint for deduplication."""
# TODO: Improve fingerprint
return f"{self.sid}:{self.url}"
def __repr__(self) -> str:
callback_name = getattr(self.callback, "__name__", None) or "None"
return f"<Request({self.url}) priority={self.priority} callback={callback_name}>"
def __str__(self) -> str:
return self.url
def __lt__(self, other: object) -> bool:
"""Compare requests by priority"""
if not isinstance(other, Request):
return NotImplemented
return self.priority < other.priority
def __gt__(self, other: object) -> bool:
"""Compare requests by priority"""
if not isinstance(other, Request):
return NotImplemented
return self.priority > other.priority
def __eq__(self, other: object) -> bool:
"""Requests are equal if they have the same fingerprint."""
if not isinstance(other, Request):
return NotImplemented
return self._fp == other._fp