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from __future__ import print_function
import json
from scrapy.commands import ScrapyCommand
from scrapy.settings import BaseSettings
class Command(ScrapyCommand):
requires_project = False
default_settings = {'LOG_ENABLED': False,
'SPIDER_LOADER_WARN_ONLY': True}
def syntax(self):
return "[options]"
def short_desc(self):
return "Get settings values"
def add_options(self, parser):
ScrapyCommand.add_options(self, parser)
parser.add_option("--get", dest="get", metavar="SETTING",
help="print raw setting value")
parser.add_option("--getbool", dest="getbool", metavar="SETTING",
help="print setting value, interpreted as a boolean")
parser.add_option("--getint", dest="getint", metavar="SETTING",
help="print setting value, interpreted as an integer")
parser.add_option("--getfloat", dest="getfloat", metavar="SETTING",
help="print setting value, interpreted as a float")
parser.add_option("--getlist", dest="getlist", metavar="SETTING",
help="print setting value, interpreted as a list")
def run(self, args, opts):
settings = self.crawler_process.settings
if opts.get:
s = settings.get(opts.get)
if isinstance(s, BaseSettings):
print(json.dumps(s.copy_to_dict()))
else:
print(s)
elif opts.getbool:
print(settings.getbool(opts.getbool))
elif opts.getint:
print(settings.getint(opts.getint))
elif opts.getfloat:
print(settings.getfloat(opts.getfloat))
elif opts.getlist:
print(settings.getlist(opts.getlist))
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