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2018-06-20Synchronous SiteLoader event handlingLars-Dominik Braun6-509/+514
Previously a browser crash stalled the entire grab, since events from pychrome were handled asynchronously in a different thread and exceptions were not propagated to the main thread. Now all browser events are stored in a queue and processed by the main thread, allowing us to handle browser crashes gracefully (more or less). This made the following additional changes necessary: - Clear separation between producer (browser) and consumer (WARC, stats, …) - Behavior scripts now yield events as well, instead of accessing the WARC writer - WARC logging was removed (for now) and WARC writer does not require serialization any more
2018-06-08browser: Replace --remote-debugging-socket-fdLars-Dominik Braun1-23/+19
It was replaced by --remote-debugging-pipe in version 67. pychrome does not support that out of the box, so instead we’ll let Chrome choose its own port and poll a file in its user-data-dir.
2018-06-03behavior: Wrap extract links script in anonymous namespaceLars-Dominik Braun2-2/+5
Otherwise it may clash with symbols defined by the page.
2018-05-20behavior: Patreon: Load more comments/repliesLars-Dominik Braun1-0/+4
2018-05-20behavior: Click Patreon’s “load more” buttonLars-Dominik Braun1-0/+6
2018-05-05Rename command line toolsLars-Dominik Braun1-0/+97
Move contrib/ scripts to .tools and add entry points to setup.py, rename crocoite-standalone to crocoite-grab.
2018-05-05Extract only visible and clickable linksLars-Dominik Braun2-4/+29
2018-05-04Share recursive argument parserLars-Dominik Braun2-14/+15
2018-05-04Support --browser again for local crawlsLars-Dominik Braun2-2/+6
Broken by commit 75019eac4545bb2e8b90033834e91beef614cdf3
2018-05-04Add distributed recursive crawlsLars-Dominik Braun3-31/+91
2018-05-04Add support for recursive crawlsLars-Dominik Braun2-2/+115
Only local right now, not distributed.
2018-05-04browser: Replace context manager decoratorLars-Dominik Braun1-51/+66
Use an actual class that supports multiple invokations.
2018-05-04behavior: Add link extraction scriptLars-Dominik Braun4-5/+43
2018-05-04Move page archiving logic to SinglePageControllerLars-Dominik Braun5-144/+198
In preparation for recursive crawls.
2018-05-04Move header unfolding into ItemLars-Dominik Braun2-21/+24
2018-05-04Fetch request POST bodyLars-Dominik Braun2-8/+20
If there is any and it was not included in the response already.
2018-05-04Test chained redirectsLars-Dominik Braun1-12/+32
2018-04-20Save screenshot of entire pageLars-Dominik Braun1-6/+16
…and not just the current viewport. Due to limitations within Chrome it may be necessary to manually stitch multiple images if the page height exceeds 16k pixels.
2018-04-14Fix base64 body detectionLars-Dominik Braun2-10/+10
Broken by commit a21d7332e33a3e47a363004196451721d449e70b
2018-04-14Add timeout to request body fetchLars-Dominik Braun1-3/+4
When something goes wrong, these block the entire grab.
2018-04-14Handle JavaScript dialogsLars-Dominik Braun1-2/+37
alert, confirm and prompt and beforeunload
2018-04-04behavior: Add selector for YouTube.Lars-Dominik Braun1-0/+6
2018-03-30Add click selectors for InstagramLars-Dominik Braun1-0/+8
Load more comments/images for posts.
2018-03-25Add a few simple testsLars-Dominik Braun1-0/+190
To be expanded, but it’s a start…
2018-03-25Replace deprecated logger.warnLars-Dominik Braun1-3/+3
2018-03-25ChromeService: Close listening socketLars-Dominik Braun1-0/+1
We passed it to the child and don’t need it any more.
2018-03-25Move getResponseBody call to Item wrapperLars-Dominik Braun2-13/+21
2018-03-18browser: Don’t overwrite LogEntry’s argsLars-Dominik Braun1-1/+1
2018-03-18behavior: Add click selectors for redditLars-Dominik Braun1-7/+27
This is slightly obnoxious, since their JavaScript rate-limits clicks to ≤3 Hz and simply ignores everything beyond that.
2018-03-05Add generic click behavior scriptLars-Dominik Braun3-37/+119
Configureable. Clicks elements matching one (or more) CSS selectors once or multiple times. Currently supported: Facebook, Twitter, Disqus (embedded iframe)
2018-03-04Remove instagram behavior scriptLars-Dominik Braun2-27/+1
The “load more” button does not exist any more.
2018-01-20behavior: Scroll all DOM elementsLars-Dominik Braun1-0/+6
One example is Twitter, which uses a popover div for individual tweets. Scrolling the page won’t scroll that div’s content, which is required to load more replies.
2018-01-20twitter: Expand “more replies” linksLars-Dominik Braun1-8/+21
Click them periodically.
2017-12-27Log messages from browser consoleLars-Dominik Braun1-0/+12
2017-12-25Increase default body sizeLars-Dominik Braun3-5/+34
2017-12-24Refactor behavior scriptsLars-Dominik Braun6-172/+288
No functional changes, just cleanup. Replaces onload and onsnapshot events. Move screen metric emulation, DOM snapshots and screenshots here as well.
2017-12-23Set fake finished response for redirectsLars-Dominik Braun1-1/+4
Fixes bcfbdd9b45b7e872ee77e1366197443d855d8c7c
2017-12-23Drain tab event queue before stoppingLars-Dominik Braun1-0/+2
2017-12-22Add simple stats-keeping SiteLoaderLars-Dominik Braun3-9/+46
2017-12-22SiteLoader: Save entire finished responseLars-Dominik Braun1-2/+9
2017-12-22Don’t write WARC record if body cannot be retrievedLars-Dominik Braun1-19/+48
+refactoring.
2017-12-20Increase hardcoded max timeoutsLars-Dominik Braun1-2/+2
We need a better solution for this. Sites loading a lot of responsive images easily need a minute after resizing.
2017-12-20Fix HTTP headers using the same key more than onceLars-Dominik Braun1-2/+15
This is an undocumented DevTools feature.
2017-12-19Serialize WARC writingLars-Dominik Braun2-3/+38
Logger and SiteWriter both access .write_record() concurrently, which can corrupt WARC files. Move the writer to its own thread and decouple it with a queue. Since we’re probably I/O-bound this may speed up writeback as well.
2017-12-19Select default behavior scripts by site URLLars-Dominik Braun4-1/+51
2017-12-17Add Twitter fixupsLars-Dominik Braun1-0/+17
2017-12-17Don’t fetch redirected request bodyLars-Dominik Braun1-8/+12
We can’t do that safely due to a race-condition.
2017-12-17Add distributed archivingLars-Dominik Braun2-151/+221
Using celery. Also adds a plugin for the IRC bot sopel. Code still needs some love, but it should work.
2017-12-06Start Chrome browser instanceLars-Dominik Braun2-44/+101
Unless --browser argument is given. Uses sane settings and a temporary profile directory.
2017-12-06Add flags to disable screenshot/DOM snapshotLars-Dominik Braun1-5/+9
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