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- 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("Spider not found: %s" % args[0])
- sfile = sys.modules[spidercls.__module__].__file__
- sfile = sfile.replace('.pyc', '.py')
- self.exitcode = os.system('%s "%s"' % (editor, sfile))
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