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republisher/repub/settings.py
Abel Luck 525393272e Replace image pipeline with profile-driven variants 
- add image normalization profiles and thumbnail profiles
- generate source, full-size variant, and thumbnail image artifacts
- rewrite canonical image URLs through the first configured profile
- emit explicit image Media RSS groups with named thumbnails
- preserve legacy image paths when image conversion is disabled
- cover cache-hit source paths, inline image handling, and thumbnail export
2026-05-27 09:24:22 +02:00

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# Scrapy settings for repub project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
# https://docs.scrapy.org/en/latest/topics/settings.html
# https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
# https://docs.scrapy.org/en/latest/topics/spider-middleware.html
BOT_NAME = "repub"
SPIDER_MODULES = ["repub.spiders"]
NEWSPIDER_MODULE = "repub.spiders"
# Crawl responsibly by identifying yourself (and your website) on the user-agent
USER_AGENT = "GuardianProject-Republisher-Redux (+https://guardianproject.info)"
# Obey robots.txt rules
ROBOTSTXT_OBEY = False
# Configure maximum concurrent requests performed by Scrapy (default: 16)
# CONCURRENT_REQUESTS = 32
# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
# DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
# CONCURRENT_REQUESTS_PER_DOMAIN = 16
# CONCURRENT_REQUESTS_PER_IP = 16
# Disable cookies (enabled by default)
# COOKIES_ENABLED = False
# Disable Telnet Console (enabled by default)
# TELNETCONSOLE_ENABLED = False
# Override the default request headers:
# DEFAULT_REQUEST_HEADERS = {
# "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
# "Accept-Language": "en",
# }
# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
# SPIDER_MIDDLEWARES = {
# "repub.middlewares.RepubSpiderMiddleware": 543,
# }
# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
# DOWNLOADER_MIDDLEWARES = {
# "repub.middlewares.RepubDownloaderMiddleware": 543,
# }
# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
# EXTENSIONS = {
# "scrapy.extensions.telnet.TelnetConsole": None,
# }
# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
# ITEM_PIPELINES = {}
# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
# AUTOTHROTTLE_ENABLED = True
# The initial download delay
# AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
# AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
# AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
# AUTOTHROTTLE_DEBUG = False
# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
HTTPCACHE_ENABLED = True
HTTPCACHE_EXPIRATION_SECS = 0
HTTPCACHE_DIR = "httpcache"
HTTPCACHE_IGNORE_HTTP_CODES = []
HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage"
# Set settings whose default value is deprecated to a future-proof value
REQUEST_FINGERPRINTER_IMPLEMENTATION = "2.7"
TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor"
FEED_EXPORT_ENCODING = "utf-8"
FEED_EXPORTERS = {
"rss": "repub.exporters.RssExporter",
}
TELNETCONSOLE_ENABLED = False
LOG_LEVEL = "INFO"
# LOG_LEVEL = "ERROR"
MEDIA_ALLOW_REDIRECTS = True
REPUBLISHER_IMAGE_NORMALIZE_ENABLED = True
REPUBLISHER_IMAGE_THUMBNAILS_ENABLED = True
REPUBLISHER_IMAGE_DIR = "images"
REPUBLISHER_IMAGE_FULL_SUBDIR = "full"
REPUBLISHER_IMAGE_SOURCE_SUBDIR = "source"
REPUBLISHER_IMAGE_THUMBNAIL_SUBDIR = "thumbs"
REPUBLISHER_IMAGE = [
{
"name": "main_webp",
"mimetype": "image/webp",
"extension": "webp",
"transform": "thumbnail",
"transform_kwargs": {
"width": 1600,
"height": 1600,
"size": "down",
"no_rotate": False,
"linear": False,
"fail_on": "warning",
},
"save": "webpsave_buffer",
"save_kwargs": {
"Q": 82,
"preset": "photo",
"smart_subsample": True,
"effort": 4,
"alpha_q": 90,
"keep": "none",
},
},
{
"name": "fallback_jpeg",
"mimetype": "image/jpeg",
"extension": "jpg",
"transform": "thumbnail",
"transform_kwargs": {
"width": 1600,
"height": 1600,
"size": "down",
"no_rotate": False,
"linear": False,
"fail_on": "warning",
},
"save": "jpegsave_buffer",
"save_kwargs": {
"Q": 85,
"interlace": True,
"optimize_coding": True,
"trellis_quant": True,
"optimize_scans": True,
"subsample_mode": "auto",
"keep": "none",
"background": [255, 255, 255],
},
},
]
REPUBLISHER_IMAGE_THUMBNAILS = [
{
"name": "card_hero",
"mimetype": "image/jpeg",
"extension": "jpg",
"transform": "thumbnail",
"transform_kwargs": {
"width": 640,
"height": 360,
"size": "down",
"crop": "attention",
"no_rotate": False,
"linear": False,
"fail_on": "warning",
},
"save": "jpegsave_buffer",
"save_kwargs": {
"Q": 82,
"interlace": True,
"optimize_coding": True,
"subsample_mode": "auto",
"keep": "none",
"background": [255, 255, 255],
},
},
{
"name": "list_square",
"mimetype": "image/jpeg",
"extension": "jpg",
"transform": "thumbnail",
"transform_kwargs": {
"width": 160,
"height": 160,
"size": "down",
"crop": "centre",
"no_rotate": False,
"linear": False,
"fail_on": "warning",
},
"save": "jpegsave_buffer",
"save_kwargs": {
"Q": 78,
"interlace": True,
"optimize_coding": True,
"subsample_mode": "auto",
"keep": "none",
"background": [255, 255, 255],
},
},
]
REPUBLISHER_AUDIO = [
{
"name": "mp3_vbr7_voice",
"format": "mp3",
"max_bitrate": 64000,
"mimetype": "audio/mpeg",
"extension": "mp3",
"ffmpeg_audio_params": {
"acodec": "libmp3lame",
"qscale:a": "7",
"ac": "1",
"ar": "48000",
},
},
{
"name": "m4a_aac_vbr2_voice",
"format": "m4a",
"max_bitrate": 64000,
"mimetype": "audio/mp4",
"extension": "m4a",
"ffmpeg_audio_params": {
"acodec": "libfdk_aac",
"vbr": "2",
"ac": "1",
"ar": "48000",
},
},
{
"name": "webm_opus_voice_48k",
"format": "webm",
"max_bitrate": 48000,
"mimetype": "audio/webm",
"extension": "webm",
"ffmpeg_audio_params": {
"acodec": "libopus",
"b:a": "48k",
"ac": "1",
"ar": "48000",
"application": "voip",
},
},
]
REPUBLISHER_VIDEO = [
# broadly compatible
{
"name": "main",
"container": "mp4",
"vcodec": "h264",
"acodec": "aac",
"audio_max_bitrate": 96000,
"ffmpeg_audio_params": {
"acodec": "aac",
"b:a": "96k",
"ac": "2",
"ar": "48000",
},
"ffmpeg_video_params": {
"vcodec": "libx264",
"pix_fmt": "yuv420p",
"profile:v": "main",
"level": "4.0",
"preset": "medium",
"crf": "22",
"movflags": "+faststart",
},
"max_height": 720,
"mimetype": "video/mp4",
"extension": "mp4",
},
# linux fallback without patent encumberance
{
"name": "fallback",
"container": "webm",
"vcodec": "vp9",
"acodec": "opus",
"audio_max_bitrate": 96000,
"ffmpeg_audio_params": {
"acodec": "libopus",
"b:a": "96k",
"ac": "2",
"ar": "48000",
},
"ffmpeg_video_params": {
"vcodec": "libvpx-vp9",
"crf": "33",
"b:v": "0",
},
"max_height": 720,
"mimetype": "video/webm",
"extension": "webm",
},
]
REPUBLISHER_FFMPEG_ENCODERS = ["libmp3lame", "libfdk_aac", "libvpx-vp9", "libopus"]
REPUBLISHER_FFMPEG_CODECS = ["aac", "mp3", "mpeg4", "vp9", "opus"]
# CLOSESPIDER_ERRORCOUNT = 1
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