beautifulsoup4
diff-match-patch
scrapy
sqlalchemy
w3lib

[content-extraction-extensions]
boilerpy3

[hashing-extensions]
spookyhash
xxhash

[html-parsing-extensions]
html5lib
lxml

[mysql]
mysql_python
mysqlclient

[postgresql]
psycopg2

[simhash]
simhash-py

[tokenization-extensions]
blingfire
