Bump scrapy from 2.14.2 to 2.15.0

[dependabot]

Bumps scrapy from 2.14.2 to 2.15.0.

Release notes

Sourced from scrapy's releases.

2.15.0

• Experimental support for running without a Twisted reactor
• Experimental httpx-based download handler

Full Changelog

Changelog

Sourced from scrapy's changelog.

Scrapy 2.15.0 (2026-04-09)

Highlights:

• Experimental support for running without a Twisted reactor

• Experimental httpx-based download handler

Backward-incompatible changes

-   The built-in HTTP :ref:`download handlers <download-handlers-ref>` now
    raise Scrapy-specific exceptions instead of implementation-specific ones,
    see :ref:`download-handlers-exceptions`. This can affect user code that
    handles downloader exceptions, such as ``process_exception()`` methods of
    custom :ref:`downloader middlewares <topics-downloader-middleware-custom>`.
    (:issue:`7208`)


In order to fix a long-standing bug with handling of asynchronous storages,

the following changes were made to media pipeline classes, which can impact

some of the user code that subclasses them or calls their methods directly:


overrides of :meth:scrapy.pipelines.media.MediaPipeline.media_downloaded

and :meth:~scrapy.pipelines.files.FilesPipeline.file_downloaded can now

return coroutines


:meth:~scrapy.pipelines.files.FilesPipeline.media_downloaded,

:meth:~scrapy.pipelines.files.FilesPipeline.file_downloaded and

:meth:~scrapy.pipelines.images.ImagesPipeline.image_downloaded now

return coroutines


(:issue:2183, :issue:6369, :issue:7182)


Request and Response objects: __slots__ and setter changes:


:class:scrapy.http.Request and :class:scrapy.http.Response now

define __slots__. Assigning arbitrary attributes to instances (for

example, response.foo = 1) will raise AttributeError. Store

per-request/response data in the request/response meta mapping

instead of attaching new attributes to the objects.


If you maintain custom Request or Response subclasses that

relied on dynamic instance attributes, either add '__dict__' to

your subclass __slots__ to allow dynamic attributes, or migrate

per-instance state to meta or explicit documented attributes.


The setters for headers, flags and cookies no longer coerce

falsy values into None. For example, request.headers = {} now

stores an empty :class:scrapy.http.headers.Headers instance (not

</tr></table>

... (truncated)

Commits

• 47e25fb Bump version: 2.14.2 → 2.15.0
• 1432455 Add a missing release notes change.
• 7e881ce Release notes for 2.15.0 (#7373)
• b68f267 Fix DownloaderAwarePriorityQueue tie-breaking across slots (#7351)
• 2b174e3 Silence the CertificateOptions method warning. (#7410)
• b9be5ce Reactorless shell and other small shell improvements (#7395)
• 5b37613 Improve commands (#7376)
• 13a014d Response now uses less memory (#7374)
• 9fffcc1 Optimize SitemapSpider memory usage (#7007)
• a4377f9 Rename DNS_RESOLVER to TWISTED_DNS_RESOLVER (#7361)
• Additional commits viewable in compare view

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