Monthly downloads
234.3K
Weekly downloads
42.7K
GitHub stars
110
Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.
Package Information
Latest Version
Requires Python
>=3.10
Licence
MIT
Last Release
7 months ago
First Release
December 15, 2023
Total Releases
12
Python Versions
3
3.10
3.11
3.12
3.13
3.14
No reported malware or high/critical advisories · Details
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Package Insights
Package Risks
- High bus factor: only 1 contributor(s) for this download volume
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
55
Popularity
35
Adoption
53
Community
0
Provenance
100
How the maintenance status was determined
Last commit
153 days ago
Monthly downloads
234,313
Active
Activity within 30 days
•
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
234,313
Stars
110
Stars per 1k downloads
0.47
Industry Standard
> 10,000,000 monthly downloads
•
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
6,098
Month daily avg
7,810
Momentum
-21.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100More insights and metrics
Python version support tiers
requires_python
>=3.10
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
•
Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
229 days ago
Total releases
12
Releases/year
4.2
Rapid
Last release within 365 days and > 12 releases/year
•
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
1
Monthly downloads
234,313
•
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
15
Issue Burden
0.0
per 1k stars
Discussions
36.4
per 1k stars
Fork Ratio
25.0%
contrib / forks
Stale Release
75d
PR Velocity
Quiet
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
2.6K
Python Versions
3.12
85.4%
2.2K
3.14
6.8%
179
3.11
6.8%
178
3.10
0.5%
12
3.13
0.5%
12
Top Countries
1.
US
2.3K
US
2.
NL
100
NL
3.
GB
41
GB
4.
SE
34
SE
5.
IN
28
IN
6.
SG
19
SG
7.
MX
18
MX
8.
CA
16
CA
9.
ES
14
ES
10.
DE
12
DE
Weekly Downloads
GitHub Stars
Dependencies
1
- typing-extensions >=4.8.0
39 optional dependencies
-
celery>=5.3.5[celery]extra == "celery"
-
celery>=5.3.5[dev]extra == "dev"
-
celery>=5.3.5[tests]extra == "tests"
-
celery>=5.3.5[all]extra == "all"
-
coverage>=7.6.1[tests]extra == "tests"
-
coverage>=7.6.1[dev]extra == "dev"
-
fakeredis>=2.25.0[tests]extra == "tests"
-
fakeredis>=2.25.0[dev]extra == "dev"
-
fastapi>=0.95.2[dev]extra == "dev"
-
fastapi>=0.95.2[fastapi]extra == "fastapi"
-
fastapi>=0.95.2[tests]extra == "tests"
-
fastapi>=0.95.2[all]extra == "all"
-
hatch>=1.12.0[dev]extra == "dev"
-
httpx>=0.23.0[tests]extra == "tests"
-
httpx>=0.23.0[dev]extra == "dev"
-
mike>=2.1.3[docs]extra == "docs"
-
mike>=2.1.3[dev]extra == "dev"
-
mkdocs-git-committers-plugin-2>=2.3.0[docs]extra == "docs"
-
mkdocs-git-committers-plugin-2>=2.3.0[dev]extra == "dev"
-
mkdocs-git-revision-date-localized-plugin>=1.2.9[docs]extra == "docs"
-
mkdocs-git-revision-date-localized-plugin>=1.2.9[dev]extra == "dev"
-
mkdocs-material>=9.5.37[docs]extra == "docs"
-
mkdocs-material>=9.5.37[dev]extra == "dev"
-
mkdocstrings>=0.26.1[docs]extra == "docs"
-
mkdocstrings>=0.26.1[dev]extra == "dev"
-
mypy>=1.11.0[tests]extra == "tests"
-
mypy>=1.11.0[dev]extra == "dev"
-
pytest>=8.0.0[tests]extra == "tests"
-
pytest>=8.0.0[dev]extra == "dev"
-
pytest-asyncio>=0.24.0[tests]extra == "tests"
-
pytest-asyncio>=0.24.0[dev]extra == "dev"
-
rq!=2.7.0,>=1.15.0[dev]extra == "dev"
-
rq!=2.7.0,>=1.15.0[rq]extra == "rq"
-
rq!=2.7.0,>=1.15.0[tests]extra == "tests"
-
rq!=2.7.0,>=1.15.0[all]extra == "all"
-
ruff>=0.6.8[tests]extra == "tests"
-
ruff>=0.6.8[dev]extra == "dev"
-
tqdm>=4.66.5[dev]extra == "dev"
-
tqdm>=4.66.5[tests]extra == "tests"
Used By
2
- bluezoo 216.4K/mo
- qortex-observe 56/mo
Repository details
Data and sources
Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
EventEmitter
asynchronous
asynchronous programming
asynchronous-programming
event
event driven
event driven programming
event emitter
event emitters
event-driven
event-driven programming
events
observable
observables
observer
observer pattern
observers
reactive
reactive programming
reactive-programming