Point72/csp

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csp is a high performance reactive stream processing library, written in C++ and Python

Stars: 441
Forks: 90
Open beginner issues: 0
Indexed issues: 53
Avg merge: 1d 12m
Merged PRs (30d): 5

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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53 open issues indexed

csp.output does not support dict unpacking Open

type: feature

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Point72/csp#725 · Opened Jul 21, 2026
Add docs about transitioning from replay to realtime by setting start date in the past Open

part: documentation

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

Point72/csp#711 · Opened Jun 10, 2026
Cannot pickle Structs with cloudpickle Open

type: bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Point72/csp#689 · Opened Mar 6, 2026
RuntimeWarning: non-string key in the __dict__ of class Outputs Open

type: bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

Point72/csp#665 · Opened Jan 15, 2026
We should allow specifying adjusted input annotations before csp.start / csp.alarms / csp.state Open

type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Point72/csp#664 · 1 reaction · Opened Jan 15, 2026
Avro support for kafka adapter Open

adapter: kafka type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#631 · Opened Nov 26, 2025
Migrate to `hatch-cpp` Open

part: build tag: internal type: feature

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Point72/csp#584 · Opened Aug 28, 2025
Push adapter initialization does not forward annotation arguments correctly Open

type: bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Point72/csp#569 · 3 comments · Opened Aug 1, 2025
pip installation of csp pulls in source files at top-level of environment Open

part: distribution type: bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

Point72/csp#526 · Opened Apr 28, 2025
C++ implementation for csp.Struct from_dict/from_json Open

type: feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

Point72/csp#518 · Opened Apr 3, 2025
Try to remove mutex from PushPull input adapter Open

tag: internal type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#497 · Opened Mar 21, 2025
Dual dataline optimization Open

tag: internal type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#487 · Opened Mar 13, 2025
CSP Profiler to show input adapter counts Open

type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#473 · Opened Mar 4, 2025
typing.Any not handled properly as an output from a csp.node Open

lang: c++ type: bug type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

Point72/csp#436 · 3 comments · Opened Jan 31, 2025
Detail pydantic integration with csp on docs Open

part: documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Point72/csp#431 · Opened Jan 27, 2025
Add documentation for `is_configured_realtime` Open

part: documentation

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

Point72/csp#395 · Opened Nov 25, 2024
[wiki] Add section on memoization Open

part: documentation

Difficulty 2/5 Half a day Newbie friendliness 25/100

Point72/csp#391 · Opened Nov 15, 2024
Visibility too restrictive for externally defined C++ nodes & adapters Open

lang: c++ type: bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#363 · 5 comments · Opened Sep 29, 2024
Build very sensitive to compiler differences, consider having a "strict" option Open

part: build type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#361 · Opened Sep 3, 2024
Use of deprecated `distutils` functionality Open

lang: python part: dependencies

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

Point72/csp#360 · Opened Aug 30, 2024
Cycle priority flag on timers Open

type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

Point72/csp#351 · Opened Aug 1, 2024
Enable and enforce C++ linting and autoformatting Open

type: feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#324 · Opened Jul 12, 2024
Look into removing autogen from the build Open

part: build type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#303 · Opened Jun 27, 2024
Proposed ArrowRecordBatchAdapter to replace ParquetReader with `read_from_memory_tables=True` Open

adapter: parquet

Difficulty 5/5 Over a week Newbie friendliness 35/100

Point72/csp#297 · 1 comment · Opened Jun 25, 2024
Expand adapters concepts Open

part: documentation

Difficulty 3/5 1-2 days Newbie friendliness 48/100

Point72/csp#292 · 1 comment · Opened Jun 22, 2024
Add fast `csp.Struct` to Arrow record batch conversion Open

type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#286 · Opened Jun 19, 2024
Expand websocket adapter, ensure connections/disconnections can be done dynamically, establish better pattern for dynamic subscriptions for use in other adapters Open

adapter: general adapter: websocket type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#277 · 3 comments · Opened Jun 12, 2024
Ensure that adapters can be constructed in a simpler manner than they are currently Open

adapter: general type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#272 · Opened Jun 6, 2024
Move large examples / examples with code that belongs in separate files / notebook to separate repo Open

part: documentation type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#271 · 1 comment · Opened Jun 6, 2024
Add tests for notebook examples Open

part: tests type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 30/100

Point72/csp#270 · Opened Jun 6, 2024
`csp` can't be cross-compiled due to use of `_csptypesimpl` during the build Open

part: build type: bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#264 · Opened Jun 4, 2024
Graphs created as part of a `CspPerspectiveTable` do not memoize Open

adapter: perspective type: bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Point72/csp#263 · Opened Jun 1, 2024
Node parser fails to recognize renamed `ts` inputs Open

type: bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#261 · 3 comments · Opened May 29, 2024
`CSV` adapter difficult to use and not very flexible Open

adapter: general good first issue type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#259 · 1 comment · Opened May 29, 2024
Remove installation dependencies on `pandas` and `sqlalchemy` Open

part: dependencies type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Point72/csp#251 · Opened May 23, 2024
Improvement: remove windows specific build scripts and run straight from Makefile Open

part: build

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Point72/csp#242 · Opened May 21, 2024
Make bit counting operations constexpr on Windows using C++20 features Open

lang: c++ type: enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Point72/csp#241 · Opened May 21, 2024
add minimal conda env option for vcpkg build Open

part: build

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

Point72/csp#234 · 3 comments · Opened May 16, 2024
Cannot call super() inside method with graph/node decorator Open

type: bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

Point72/csp#183 · 1 comment · Opened Apr 3, 2024
Casting of ts[int] to ts[float] as part of type checking will mutate input baskets in-place, which can lead to downstream errors. Open

lang: python type: bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

Point72/csp#181 · Opened Apr 2, 2024
Cannot define csp nodes/graphs in raw python interpreter Open

type: bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

Point72/csp#177 · Opened Mar 30, 2024
Test C++ examples in CI/CD to ensure cross-platform support Open

part: tests type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#175 · Opened Mar 29, 2024
Simplify push event queue impl Open

lang: c++ type: enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#171 · Opened Mar 28, 2024
csp.Struct doesnt support property setters Open

type: bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Point72/csp#153 · Opened Mar 14, 2024
Segfault when using type hints in return value, i.e. ts[Optional[float]] Open

type: bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#141 · Opened Mar 12, 2024
Documentation: expand explanations about "alarms" Open

part: documentation

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

Point72/csp#130 · Opened Mar 4, 2024
Documentation: expose missing docstrings for csp objects Open

part: documentation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Point72/csp#129 · 2 comments · Opened Mar 4, 2024
Add emscripten build of `csp` for webassembly Open

part: build type: feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#85 · 2 comments · Opened Feb 14, 2024
Properly annotate types on `ts`, `Node`, `Edge`, and `Struct` types so that autocompletion and intellisense tools work correctly Open

type: enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Point72/csp#82 · Opened Feb 14, 2024
Add a redis publisher output adapter / subscriber input adapter Open

adapter: new type: feature

Point72/csp#61 · 1 assignee · Opened Feb 10, 2024

Point72/csp

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