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import argparse
import os
import sys
from scrapy.commands import ScrapyCommand
from scrapy.exceptions import UsageError
class Command(ScrapyCommand):
requires_project = True
default_settings = {"LOG_ENABLED": False}
def syntax(self) -> str:
return "<spider>"
def short_desc(self) -> str:
return "Edit spider"
def long_desc(self) -> str:
return (
"Edit a spider using the editor defined in the EDITOR environment"
" variable or else the EDITOR setting"
)
def _err(self, msg: str) -> None:
sys.stderr.write(msg + os.linesep)
self.exitcode = 1
def run(self, args: list[str], opts: argparse.Namespace) -> None:
if len(args) != 1:
raise UsageError
editor = self.settings["EDITOR"]
assert self.crawler_process
try:
spidercls = self.crawler_process.spider_loader.load(args[0])
except KeyError:
self._err(f"Spider not found: {args[0]}")
return
sfile = sys.modules[spidercls.__module__].__file__
assert sfile
sfile = sfile.replace(".pyc", ".py")
self.exitcode = os.system(f'{editor} "{sfile}"') # noqa: S605
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