The new FEED_EXPORT_BATCH_ITEM_COUNT setting allows to deliver output items in batches of up to the specified number of items.
It also serves as a workaround for delayed file delivery, which causes Scrapy to only start item delivery after the crawl has finished when using certain storage backends (S3, FTP, and now GCS).
The base implementation of item loaders has been moved into a separate library, itemloaders, allowing usage from outside Scrapy and a separate release schedule
Feed exports <topics-feed-exports> now support Google Cloud
Storage <topics-feed-storage-gcs> as a storage backend
The new FEED_EXPORT_BATCH_ITEM_COUNT setting allows to deliver output items in batches of up to the specified number of items.
It also serves as a workaround for delayed file delivery
<delayed-file-delivery>, which causes Scrapy to only start item delivery after the crawl has finished when using certain storage backends (S3 <topics-feed-storage-s3>, FTP <topics-feed-storage-ftp>, and now GCS <topics-feed-storage-gcs>).
The base implementation of item loaders <topics-loaders> has been moved into a separate library, itemloaders <itemloaders:index>, allowing usage from outside Scrapy and a separate release schedule
Deprecation removals
Removed the following classes and their parent modules from scrapy.linkextractors:
htmlparser.HtmlParserLinkExtractor
regex.RegexLinkExtractor
sgml.BaseSgmlLinkExtractor
sgml.SgmlLinkExtractor
Use LinkExtractor <scrapy.linkextractors.lxmlhtml.LxmlLinkExtractor> instead (4356, 4679)
Deprecations
The scrapy.utils.python.retry_on_eintr function is now deprecated (4683)
New features
Feed exports <topics-feed-exports> support Google Cloud
Storage <topics-feed-storage-gcs> (685, 3608)
New FEED_EXPORT_BATCH_ITEM_COUNT setting for batch deliveries (4250, 4434)
The parse command now allows specifying an output file (4317, 4377)
Request.from_curl <scrapy.http.Request.from_curl> and ~scrapy.utils.curl.curl_to_request_kwargs now also support --data-raw (4612)
A parse callback may now be used in built-in spider subclasses, such as ~scrapy.spiders.CrawlSpider (712, 732, 781, 4254 )
Bug fixes
Fixed the CSV exporting <topics-feed-format-csv> of dataclass items <dataclass-items> and attr.s items
<attrs-items> (4667, 4668)
Request.from_curl <scrapy.http.Request.from_curl> and ~scrapy.utils.curl.curl_to_request_kwargs now set the request method to POST when a request body is specified and no request method is specified (4612)
The processing of ANSI escape sequences in enabled in Windows 10.0.14393 and later, where it is required for colored output (4393, 4403)
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Bumps scrapy from 2.2.1 to 2.3.0.
Release notes
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Changelog
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Commits
1278e76Bump version: 2.2.0 → 2.3.03600582Cover Scrapy 2.2.1 and 2.3 in the release notes (#4708)015b71dMerge pull request #4704 from Gallaecio/python2-u-prefixes890b213Remove the u prefix from strings5e2d1bdMerge pull request #4434 from BroodingKangaroo/ISSUE-4250-add_batch_deliveries5265853Use ItemAdapter.field_names when writing header in CsvItemExporter (#4668)a6c1d79pep8 tiny changesce0c25fMerge pull request #4690 from elacuesta/typing-setup-remove-monkeypatches8fae3d5Remove monkeypatches module from mypy section in setup.cfgf3372a3Merge pull request #4254 from elacuesta/spider.parseDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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