Rank Package Downloads/Month Contributors
1
pyasn1
pyasn1
Generic ASN.1 library for Python
415.7M 1 contributors
2
pyasn1
pyasn1-modules
ASN.1 modules for pyasn1 library
343.2M 1 contributors
3
pydantic
typing-inspection
Runtime typing introspection tools
732.4M 6 contributors
4
python-jsonschema
referencing
Cross-specification JSON referencing (JSON Schema, OpenAPI, and the one you just...
460.2M 8 contributors
5
python-jsonschema
jsonschema-specifications
Support files exposing JSON from the JSON Schema specifications to Python
457.4M 8 contributors
6
mrabarnett
regex
Alternative regular expression module, to replace re.
321M 7 contributors
7
pfmoore
editables
Editable installations
223.3M 7 contributors
8
tiran
defusedxml
XML bomb protection for Python stdlib modules
206.7M 9 contributors
9
pytest-dev
iniconfig
brain-dead simple config-ini parsing
771.5M 22 contributors
10
annotated-types
annotated-types
Reusable constraint types to use with typing.Annotated
760.6M 22 contributors
11
crate-py
rpds-py
Python bindings to the Rust rpds crate for persistent data structures
493.4M 20 contributors
12
executablebooks
mdurl
URL utilities for markdown-it (a Python port)
441.6M 15 contributors
13
fastapi
annotated-doc
Document parameters, class attributes, return types, and variables inline, with ...
417.5M 11 contributors
14
stub42
pytz
pytz Python historical timezone library and database
410.7M 22 contributors
15
facelessuser
soupsieve
A modern CSS selector implementation for BeautifulSoup
296.1M 20 contributors
16
sarugaku
shellingham
Tool to Detect Surrounding Shell
267M 23 contributors
17
sethmlarson
truststore
Verify certificates using OS trust stores
255.9M 17 contributors
18
hukkin
tomli
A lil' TOML parser
253.9M 14 contributors
19
agronholm
exceptiongroup
Backport of PEP 654 (exception groups)
228.7M 10 contributors