mirror of https://github.com/scrapy/scrapy.git
24 lines
1.1 KiB
Python
24 lines
1.1 KiB
Python
import warnings
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from scrapy.exceptions import ScrapyDeprecationWarning
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DEPRECATED_SETTINGS = [
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('TRACK_REFS', 'no longer needed (trackref is always enabled)'),
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('RESPONSE_CLASSES', 'no longer supported'),
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('DEFAULT_RESPONSE_ENCODING', 'no longer supported'),
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('BOT_VERSION', 'no longer used (user agent defaults to Scrapy now)'),
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('ENCODING_ALIASES', 'no longer needed (encoding discovery uses w3lib now)'),
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('STATS_ENABLED', 'no longer supported (change STATS_CLASS instead)'),
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('SQLITE_DB', 'no longer supported'),
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('AUTOTHROTTLE_MIN_DOWNLOAD_DELAY', 'use DOWNLOAD_DELAY instead'),
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('AUTOTHROTTLE_MAX_CONCURRENCY', 'use CONCURRENT_REQUESTS_PER_DOMAIN instead'),
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]
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def check_deprecated_settings(settings):
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deprecated = [x for x in DEPRECATED_SETTINGS if settings[x[0]] is not None]
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if deprecated:
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msg = "You are using the following settings which are deprecated or obsolete"
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msg += " (ask scrapy-users@googlegroups.com for alternatives):"
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msg = msg + "\n " + "\n ".join("%s: %s" % x for x in deprecated)
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warnings.warn(msg, ScrapyDeprecationWarning)
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