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warn → warnings.warn

This commit is contained in:
Adrián Chaves 2020-05-07 11:22:42 +02:00
parent af453758b5
commit 30643c1427
1 changed files with 11 additions and 9 deletions
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20
scrapy/spiderloader.py
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@ -1,6 +1,6 @@
import traceback
import warnings
from collections import defaultdict
from warnings import warn
from zope.interface import implementer
@ -19,12 +19,14 @@ class SpiderLoader:
def __init__(self, settings):
self.require_name = settings.getbool('SPIDER_LOADER_REQUIRE_NAME')
if self.require_name:
warn('SPIDER_LOADER_REQUIRE_NAME is True. In a future version of '
'Scrapy, the SPIDER_LOADER_REQUIRE_NAME setting will be '
'removed, and Scrapy will always behave as if '
'SPIDER_LOADER_REQUIRE_NAME were False. To remove this '
'warning, set SPIDER_LOADER_REQUIRE_NAME to False.',
ScrapyDeprecationWarning)
message = (
'SPIDER_LOADER_REQUIRE_NAME is True. In a future version of '
'Scrapy, the SPIDER_LOADER_REQUIRE_NAME setting will be '
'removed, and Scrapy will always behave as if '
'SPIDER_LOADER_REQUIRE_NAME were False. To remove this '
'warning, set SPIDER_LOADER_REQUIRE_NAME to False.'
)
warnings.warn(message, ScrapyDeprecationWarning)
self.spider_modules = settings.getlist('SPIDER_MODULES')
self.warn_only = settings.getbool('SPIDER_LOADER_WARN_ONLY')
self._spiders = {}
@ -41,7 +43,7 @@ class SpiderLoader:
msg = ("There are several spiders with the same name:\n\n"
"{}\n\n This can cause unexpected behavior.".format(
"\n\n".join(dupes)))
warn(msg, UserWarning)
warnings.warn(msg, UserWarning)
def _load_spiders(self, module):
classes = iter_spider_classes(module, require_name=self.require_name)
@ -61,7 +63,7 @@ class SpiderLoader:
msg = ("\n{tb}Could not load spiders from module '{modname}'. "
"See above traceback for details.".format(
modname=name, tb=traceback.format_exc()))
warn(msg, RuntimeWarning)
warnings.warn(msg, RuntimeWarning)
else:
raise
self._check_name_duplicates()