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-rw-r--r--python/README.md46
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+Note: as of 2022 this file is ancient and need review
+
## Kafka Pipelines
- after network split, mass restarting import/harvest stuff seemed to
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+
+This directory contains `sandcrawler` python code for ingest pipelines, batch
+processing, PDF extraction, etc.
+
+
+## Development Quickstart
+
+As of December 2022, working with this code requires:
+
+- Python 3.8 (specifically, due to version specification in `pipenv`)
+- `pipenv` for python dependency management
+- generic and python-specific build tools (`pkg-config`, `python-dev`, etc)
+- poppler (PDF processing library)
+- libmagic
+- libsodium
+- access to IA internal packages (`devpi.us.archive.org`), specifically for
+ globalwayback and related packages
+
+In production and CI we use Ubuntu Focal (20.04). The CI script for this
+repository (`../.gitlab-ci.yml`) is the best place to look for a complete list
+of dependencies for both development and deployment. Note that our CI system
+runs from our cluster, which resolves the devpi access issue. For developer
+laptops, you may need `sshuttle` or something similar set up to do initial
+package pulls.
+
+It is recommended to set the env variable `PIPENV_VENV_IN_PROJECT=true` when
+working with pipenv. You can include this in a `.env` file.
+
+There is a Makefile which helps with the basics. Eg:
+
+ # install deps using pipenv
+ make deps
+
+ # run python tests
+ make test
+
+ # run code formatting and lint checks
+ make fmt lint
+
+Sometimes when developing it is helpful to enter a shell with pipenv, eg:
+
+ pipenv shell
+
+Often when developing it is helpful (or necessary) to set environment
+variables. `pipenv shell` will read from `.env`, so you can copy and edit
+`example.env`, and it will be used in tests, `pipenv shell`, etc.
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-
-ingest crawler:
-- SPNv2 only
- - remove most SPNv1/v2 path selection
-- landing page + fulltext hops only (short recursion depth)
-- use wayback client library instead of requests to fetch content
-- https://pypi.org/project/ratelimit/