HubobelsPython/venv/lib/python3.9/site-packages/scrapy/commands/edit.py
2022-01-02 21:50:48 +01:00

39 lines
1 KiB
Python

import sys
import os
from scrapy.commands import ScrapyCommand
from scrapy.exceptions import UsageError
class Command(ScrapyCommand):
requires_project = True
default_settings = {'LOG_ENABLED': False}
def syntax(self):
return "<spider>"
def short_desc(self):
return "Edit spider"
def long_desc(self):
return ("Edit a spider using the editor defined in the EDITOR environment"
" variable or else the EDITOR setting")
def _err(self, msg):
sys.stderr.write(msg + os.linesep)
self.exitcode = 1
def run(self, args, opts):
if len(args) != 1:
raise UsageError()
editor = self.settings['EDITOR']
try:
spidercls = self.crawler_process.spider_loader.load(args[0])
except KeyError:
return self._err(f"Spider not found: {args[0]}")
sfile = sys.modules[spidercls.__module__].__file__
sfile = sfile.replace('.pyc', '.py')
self.exitcode = os.system(f'{editor} "{sfile}"')