An open API service for producing an overview of a list of open source projects.

https://github.com/Instagram/LibCST

Score: 30.937583999295803

Last synced: about 4 hours ago
JSON representation

Repository metadata:

A concrete syntax tree parser and serializer library for Python that preserves many aspects of Python's abstract syntax tree


Owner metadata:


GitHub Events

Total
Last Year

Committers metadata

Last synced: 4 days ago

Total Commits: 1,202
Total Committers: 105
Avg Commits per committer: 11.448
Development Distribution Score (DDS): 0.826

Commits in past year: 30
Committers in past year: 11
Avg Commits per committer in past year: 2.727
Development Distribution Score (DDS) in past year: 0.733

Name Email Commits
Jennifer Taylor j****r@f****m 209
Jimmy Lai y****i@g****m 206
Zsolt Dollenstein z****l@g****m 186
dependabot[bot] 4****] 145
Benjamin Woodruff b****w@f****m 63
Ray Zeng r****g@f****m 50
Steven Troxler s****r@g****m 41
Luke Petre l****e@f****m 32
Tim Hatch t****h@f****m 24
Germán Méndez Bravo g****b@g****m 19
Amethyst Reese a****t@m****m 13
MapleCCC l****e@g****m 11
Josie Eshkenazi e****e@g****m 9
Venkat Subramaniam d****n@g****m 9
martin 4****r 9
Martin DeMello m****o@g****m 8
Zach Hammer z****r@a****u 8
Nathan Goldbaum n****m@g****m 6
Sebastian Kreft s****- 6
Sergii Dymchenko s****m@f****m 5
Batuhan Taskaya i****l@g****m 5
Jennifer Taylor d****d@d****m 5
zaicruvoir1rominet 1****t 4
Sam Goldman s****n@g****m 4
Kirill Ignatev k****n@g****m 4
Itamar Oren i****t@g****m 4
Danny Yang y****7 4
Caleb Donovick c****k 4
Aarni Koskela a****x@i****i 4
Roy Williams r****s@l****m 3
and 75 more...

Issue and Pull Request metadata

Last synced: 1 day ago

Total issues: 149
Total pull requests: 675
Average time to close issues: 5 months
Average time to close pull requests: about 1 month
Total issue authors: 89
Total pull request authors: 77
Average comments per issue: 1.68
Average comments per pull request: 1.14
Merged pull request: 367
Bot issues: 0
Bot pull requests: 347

Past year issues: 7
Past year pull requests: 42
Past year average time to close issues: 2 months
Past year average time to close pull requests: 9 days
Past year issue authors: 7
Past year pull request authors: 12
Past year average comments per issue: 0.43
Past year average comments per pull request: 0.52
Past year merged pull request: 20
Past year bot issues: 0
Past year bot pull requests: 14

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/Instagram/LibCST

Top Issue Authors

  • zsol (12)
  • Zac-HD (10)
  • jakkdl (8)
  • DRMacIver (4)
  • AryazE (4)
  • sirosen (4)
  • kit1980 (4)
  • orf (3)
  • befeleme (3)
  • pelson (3)
  • amyreese (3)
  • nacl (2)
  • jmhodges-color (2)
  • dhruvmanila (2)
  • Jackenmen (2)

Top Pull Request Authors

  • dependabot[bot] (347)
  • zsol (132)
  • amyreese (19)
  • ngoldbaum (15)
  • drinkmorewaterr (12)
  • yangdanny97 (8)
  • zaicruvoir1rominet (8)
  • kiri11 (8)
  • kit1980 (7)
  • Sanjays2402 (5)
  • camillol (4)
  • MrMino (4)
  • akx (4)
  • samwgoldman (4)
  • khameeteman (4)

Top Issue Labels

  • parsing (33)
  • bug (30)
  • enhancement (22)
  • machinery (8)
  • codemod (7)
  • documentation (6)
  • good first issue (4)
  • question (3)
  • help wanted (2)
  • CLA Signed (1)
  • wontfix (1)

Top Pull Request Labels

  • CLA Signed (617)
  • dependencies (347)
  • rust (168)
  • python (96)
  • github_actions (82)
  • documentation (2)
  • enhancement (2)
  • build (1)
  • go (1)

Package metadata

pypi.org: libcst

A concrete syntax tree with AST-like properties for Python 3.0 through 3.15 programs.

  • Homepage:
  • Documentation: https://libcst.readthedocs.io/en/latest/
  • Licenses: MIT License
  • Latest release: 1.9.0 (published 25 days ago)
  • Last Synced: 2026-08-22T10:03:58.999Z (1 day ago)
  • Versions: 66
  • Dependent Packages: 191
  • Dependent Repositories: 1,521
  • Downloads: 63,565,316 Last month
  • Docker Downloads: 10,091,103
  • Rankings:
    • Downloads: 0.094%
    • Dependent packages count: 0.115%
    • Average: 0.264%
    • Dependent repos count: 0.29%
    • Docker downloads count: 0.558%
  • Maintainers (4)
nixpkgs-unstable: python313Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

proxy.golang.org: github.com/Instagram/LibCST

  • Homepage:
  • Documentation: https://pkg.go.dev/github.com/Instagram/LibCST#section-documentation
  • Licenses: other
  • Latest release: v1.9.0 (published 25 days ago)
  • Last Synced: 2026-08-22T10:07:19.727Z (1 day ago)
  • Versions: 50
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent packages count: 4.693%
    • Average: 4.85%
    • Dependent repos count: 5.008%
proxy.golang.org: github.com/instagram/libcst

  • Homepage:
  • Documentation: https://pkg.go.dev/github.com/instagram/libcst#section-documentation
  • Licenses: other
  • Latest release: v1.9.0 (published 25 days ago)
  • Last Synced: 2026-08-22T10:13:48.439Z (1 day ago)
  • Versions: 50
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent packages count: 4.693%
    • Average: 4.85%
    • Dependent repos count: 5.008%
spack.io: py-libcst

A Concrete Syntax Tree (CST) parser and serializer library for Python.

  • Homepage: https://github.com/Instagram/LibCST
  • Licenses: []
  • Latest release: 1.8.6 (published 18 days ago)
  • Last Synced: 2026-08-22T10:03:58.966Z (1 day ago)
  • Versions: 2
  • Dependent Packages: 1
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Stargazers count: 7.211%
    • Forks count: 9.476%
    • Average: 11.189%
    • Dependent packages count: 28.067%
  • Maintainers (1)
conda-forge.org: libcst

  • Homepage: https://github.com/Instagram/LibCST
  • Licenses: MIT
  • Latest release: 0.4.9 (published almost 4 years ago)
  • Last Synced: 2026-04-01T03:21:57.966Z (5 months ago)
  • Versions: 30
  • Dependent Packages: 28
  • Dependent Repositories: 3
  • Rankings:
    • Dependent packages count: 2.371%
    • Stargazers count: 11.829%
    • Average: 11.929%
    • Forks count: 15.628%
    • Dependent repos count: 17.889%
crates.io: libcst_derive

Proc macro helpers for libcst.

  • Homepage:
  • Documentation: https://docs.rs/libcst_derive/
  • Licenses: MIT
  • Latest release: 1.8.6 (published 10 months ago)
  • Last Synced: 2026-08-22T10:04:34.321Z (1 day ago)
  • Versions: 16
  • Dependent Packages: 1
  • Dependent Repositories: 0
  • Downloads: 1,414,109 Total
  • Docker Downloads: 23,283,170
  • Rankings:
    • Docker downloads count: 0.968%
    • Stargazers count: 4.547%
    • Forks count: 4.64%
    • Average: 16.703%
    • Downloads: 28.627%
    • Dependent repos count: 30.191%
    • Dependent packages count: 31.244%
  • Maintainers (1)
crates.io: libcst

A Python parser and Concrete Syntax Tree library.

  • Homepage:
  • Documentation: https://docs.rs/libcst/
  • Licenses: MIT AND (MIT AND PSF-2.0)
  • Latest release: 1.8.6 (published 10 months ago)
  • Last Synced: 2026-08-22T10:03:59.176Z (1 day ago)
  • Versions: 16
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Downloads: 1,396,944 Total
  • Docker Downloads: 23,283,170
  • Rankings:
    • Docker downloads count: 0.968%
    • Stargazers count: 4.547%
    • Forks count: 4.64%
    • Average: 16.724%
    • Downloads: 28.755%
    • Dependent repos count: 30.191%
    • Dependent packages count: 31.244%
  • Maintainers (1)
anaconda.org: libcst

A Concrete Syntax Tree (CST) parser and serializer library for Python

  • Homepage: https://github.com/Instagram/LibCST
  • Licenses: MIT
  • Latest release: 1.8.6 (published 9 months ago)
  • Last Synced: 2026-08-13T18:30:51.557Z (10 days ago)
  • Versions: 8
  • Dependent Packages: 2
  • Dependent Repositories: 3
  • Downloads: 30,423 Total
  • Rankings:
    • Dependent packages count: 13.491%
    • Stargazers count: 22.28%
    • Average: 27.382%
    • Forks count: 27.966%
    • Dependent repos count: 45.79%
nixpkgs-23.11: python310Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

ubuntu-24.10: rust-libcst

  • Homepage: https://github.com/Instagram/LibCST
  • Licenses: other
  • Latest release: 0.1.0-1 (published 6 months ago)
  • Last Synced: 2026-03-10T18:38:26.066Z (6 months ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
nixpkgs-24.11: python312Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

nixpkgs-23.11: python311Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

ubuntu-24.04: rust-libcst-derive

  • Homepage: https://github.com/Instagram/LibCST
  • Licenses: other
  • Latest release: 0.1.0-1 (published 7 months ago)
  • Last Synced: 2026-03-06T18:25:18.161Z (6 months ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
nixpkgs-24.11: python311Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

ubuntu-24.04: rust-libcst

  • Homepage: https://github.com/Instagram/LibCST
  • Licenses: other
  • Latest release: 0.1.0-1 (published 7 months ago)
  • Last Synced: 2026-03-06T18:25:56.668Z (6 months ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
openbsd-7.9-amd64: devel/py-libcst

concrete syntax tree with AST-like properties for Python

  • Homepage: https://github.com/Instagram/LibCST
  • Licenses: other
  • Latest release: 1.8.6 (published 4 months ago)
  • Last Synced: 2026-05-28T01:12:27.082Z (3 months ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
  • Maintainers (1)
nixpkgs-24.05: python312Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

nixpkgs-23.05: python310Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

nixpkgs-unstable: python314Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

gentoo-portage: dev-python/libcst

A concrete syntax tree with AST-like properties for Python

  • Homepage: https://github.com/Instagram/LibCST/
  • Documentation: https://packages.gentoo.org/packages/dev-python/libcst
  • Licenses: MIT Apache-2.0 PSF-2 Apache-2.0 Apache-2.0-with-LLVM-exceptions MIT Unicode-3.0
  • Latest release: 1.8.6 (published 3 months ago)
  • Last Synced: 2026-07-09T01:17:05.962Z (about 2 months ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
guix: python-libcst-minimal

Concrete Syntax Tree (CST) parser and serializer library for Python

nixpkgs-23.05: python311Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

debian-13: rust-libcst-derive

  • Homepage: https://github.com/Instagram/LibCST
  • Documentation: https://packages.debian.org/trixie/rust-libcst-derive
  • Licenses: other
  • Latest release: 0.1.0-1 (published 6 months ago)
  • Last Synced: 2026-03-12T14:06:47.846Z (5 months ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
ubuntu-24.10: rust-libcst-derive

  • Homepage: https://github.com/Instagram/LibCST
  • Licenses: other
  • Latest release: 0.1.0-1 (published 6 months ago)
  • Last Synced: 2026-03-10T18:38:27.598Z (6 months ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
debian-13: rust-libcst

  • Homepage: https://github.com/Instagram/LibCST
  • Documentation: https://packages.debian.org/trixie/rust-libcst
  • Licenses: other
  • Latest release: 0.1.0-1 (published 6 months ago)
  • Last Synced: 2026-03-12T14:07:11.210Z (5 months ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%
guix: python-libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

nixpkgs-24.05: python311Packages.libcst

Concrete Syntax Tree (CST) parser and serializer library for Python

pkgsrc-netbsd-x86_64-10.1-all: lang/py-libcst

Concrete syntax tree with AST-like properties for Python

  • Homepage: https://github.com/Instagram/LibCST
  • Documentation: https://pkgsrc.se/lang/py-libcst
  • Licenses: mit
  • Latest release: 1.8.6 (published 5 months ago)
  • Last Synced: 2026-07-29T23:11:56.654Z (25 days ago)
  • Versions: 1
  • Dependent Packages: 0
  • Dependent Repositories: 0
  • Rankings:
    • Dependent repos count: 0.0%
    • Dependent packages count: 0.0%
    • Average: 100%

Dependencies

native/Cargo.lock cargo
  • aho-corasick 0.7.18
  • annotate-snippets 0.6.1
  • atty 0.2.14
  • autocfg 1.0.1
  • bitflags 1.2.1
  • bstr 0.2.16
  • bumpalo 3.7.0
  • cast 0.2.7
  • cfg-if 1.0.0
  • chic 1.2.2
  • clap 2.33.3
  • criterion 0.3.4
  • criterion-cycles-per-byte 0.1.2
  • criterion-plot 0.4.3
  • crossbeam-channel 0.5.1
  • crossbeam-deque 0.8.1
  • crossbeam-epoch 0.9.5
  • crossbeam-utils 0.8.8
  • csv 1.1.6
  • csv-core 0.1.10
  • difference 2.0.0
  • either 1.6.1
  • glob 0.3.0
  • half 1.7.1
  • hermit-abi 0.1.19
  • indoc 0.3.6
  • indoc-impl 0.3.6
  • instant 0.1.10
  • itertools 0.9.0
  • itertools 0.10.1
  • itoa 0.4.7
  • js-sys 0.3.51
  • lazy_static 1.4.0
  • libc 0.2.98
  • lock_api 0.4.4
  • log 0.4.14
  • memchr 2.4.0
  • memoffset 0.6.4
  • num-traits 0.2.14
  • num_cpus 1.13.0
  • once_cell 1.8.0
  • oorandom 11.1.3
  • parking_lot 0.11.1
  • parking_lot_core 0.8.3
  • paste 0.1.18
  • paste 1.0.5
  • paste-impl 0.1.18
  • peg 0.8.0
  • peg-macros 0.8.0
  • peg-runtime 0.8.0
  • plotters 0.3.1
  • plotters-backend 0.3.2
  • plotters-svg 0.3.1
  • proc-macro-hack 0.5.19
  • proc-macro2 1.0.28
  • pyo3 0.14.5
  • pyo3-build-config 0.14.5
  • pyo3-macros 0.14.5
  • pyo3-macros-backend 0.14.5
  • quote 1.0.9
  • rayon 1.5.1
  • rayon-core 1.9.1
  • redox_syscall 0.2.9
  • regex 1.5.5
  • regex-automata 0.1.10
  • regex-syntax 0.6.25
  • rustc_version 0.4.0
  • ryu 1.0.5
  • same-file 1.0.6
  • scopeguard 1.1.0
  • semver 1.0.3
  • serde 1.0.126
  • serde_cbor 0.11.1
  • serde_derive 1.0.126
  • serde_json 1.0.64
  • smallvec 1.6.1
  • syn 1.0.74
  • termcolor 1.1.3
  • textwrap 0.11.0
  • thiserror 1.0.26
  • thiserror-impl 1.0.26
  • tinytemplate 1.2.1
  • toml 0.5.9
  • trybuild 1.0.53
  • unicode-width 0.1.8
  • unicode-xid 0.2.2
  • unindent 0.1.7
  • walkdir 2.3.2
  • wasm-bindgen 0.2.74
  • wasm-bindgen-backend 0.2.74
  • wasm-bindgen-macro 0.2.74
  • wasm-bindgen-macro-support 0.2.74
  • wasm-bindgen-shared 0.2.74
  • web-sys 0.3.51
  • winapi 0.3.9
  • winapi-i686-pc-windows-gnu 0.4.0
  • winapi-util 0.1.5
  • winapi-x86_64-pc-windows-gnu 0.4.0
native/libcst/Cargo.toml cargo
  • chic 1.2.2
  • itertools 0.10.0
  • once_cell 1.5.2
  • paste 1.0.4
  • peg 0.8.0
  • pyo3 0.14.4
  • regex 1.5.5
  • thiserror 1.0.23
native/libcst_derive/Cargo.toml cargo
  • quote 1.0
  • syn 1.0
setup.py pypi
  • dep.strip *
.github/workflows/build.yml actions
  • Swatinem/rust-cache v2.6.2 composite
  • actions/checkout v4 composite
  • actions/setup-python v4 composite
  • actions/upload-artifact v3 composite
  • pypa/cibuildwheel v2.15.0 composite
.github/workflows/ci.yml actions
  • Swatinem/rust-cache v2.6.2 composite
  • actions-rs/cargo v1 composite
  • actions-rs/clippy-check v1 composite
  • actions-rs/toolchain v1 composite
  • actions/checkout v4 composite
  • actions/setup-python v4 composite
  • actions/upload-artifact v3 composite
  • codecov/codecov-action v3 composite
  • ts-graphviz/setup-graphviz v1 composite
.github/workflows/pypi_upload.yml actions
  • actions/checkout v4 composite
  • actions/download-artifact v3 composite
  • actions/setup-python v4 composite
  • pypa/gh-action-pypi-publish release/v1 composite
native/Cargo.toml cargo
pyproject.toml pypi
  • pyyaml >=5.2
  • typing_extensions >=3.7.4.2
  • typing_inspect >=0.4.0
.github/workflows/zizmor.yml actions
  • actions/checkout v4 composite
  • astral-sh/setup-uv v7 composite
  • github/codeql-action/upload-sarif v4 composite
uv.lock pypi
  • 167 dependencies