Remove obsolete DEPRECATED_SETTINGS (deprecated.py)

scrapy/cmdline.py

@@ -12,7 +12,6 @@ from scrapy.exceptions import UsageError
 from scrapy.utils.misc import walk_modules
 from scrapy.utils.project import inside_project, get_project_settings
 from scrapy.utils.python import garbage_collect
-from scrapy.settings.deprecated import check_deprecated_settings
 
 
 def _iter_command_classes(module_name):
@@ -118,7 +117,6 @@ def execute(argv=None, settings=None):
             pass
         else:
             settings['EDITOR'] = editor
-    check_deprecated_settings(settings)
 
     inproject = inside_project()
     cmds = _get_commands_dict(settings, inproject)

scrapy/settings/deprecated.py

@@ -1,23 +0,0 @@
-import warnings
-from scrapy.exceptions import ScrapyDeprecationWarning
-
-DEPRECATED_SETTINGS = [
-    ('TRACK_REFS', 'no longer needed (trackref is always enabled)'),
-    ('RESPONSE_CLASSES', 'no longer supported'),
-    ('DEFAULT_RESPONSE_ENCODING', 'no longer supported'),
-    ('BOT_VERSION', 'no longer used (user agent defaults to Scrapy now)'),
-    ('ENCODING_ALIASES', 'no longer needed (encoding discovery uses w3lib now)'),
-    ('STATS_ENABLED', 'no longer supported (change STATS_CLASS instead)'),
-    ('SQLITE_DB', 'no longer supported'),
-    ('AUTOTHROTTLE_MIN_DOWNLOAD_DELAY', 'use DOWNLOAD_DELAY instead'),
-    ('AUTOTHROTTLE_MAX_CONCURRENCY', 'use CONCURRENT_REQUESTS_PER_DOMAIN instead'),
-]
-
-
-def check_deprecated_settings(settings):
-    deprecated = [x for x in DEPRECATED_SETTINGS if settings[x[0]] is not None]
-    if deprecated:
-        msg = "You are using the following settings which are deprecated or obsolete"
-        msg += " (ask scrapy-users@googlegroups.com for alternatives):"
-        msg = msg + "\n    " + "\n    ".join("%s: %s" % x for x in deprecated)
-        warnings.warn(msg, ScrapyDeprecationWarning)