pysubtypes
Provides subclasses for common python types with additional functionality and convenience methods.
Decision gist · record as of 2026-08-14
No. The package is abandoned (last release 2021-02-01, last commit 2022-04-16) with no active maintenance. The description warns of API instability and documentation drift. While install friction is low and the MIT license is permissive, the 20 runtime dependencies and lack of maintenance create risk for compatibility issues and unpatched bugs. Use only if you are maintaining a legacy codebase already depending on it.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low install friction, but the package is abandoned—last release was 2021-02-01 and last commit 2022-04-16.
- No active maintenance or bug fixes should be expected.
License · maintenance · safety
MIT (permissive) — MIT license permits commercial and private use with minimal restrictions, though the abandoned status means no ongoing legal or security updates.
last release 2021-02-01 (2020 days) · last repo commit 2022-04-16 · 1 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 609,196 downloads/mo, #5,775 on PyPI
Alternatives
Verify before relying
pip install pysubtypes
from pysubtypes import Str, List, Dict, DateTime, Frame
s = Str("hello world")
print(s.upper()) # Enhanced str subclass
l = List([1, 2, 3])
l.append(4) # Method chaining on in-place mutations- Whether the 20 runtime dependencies are all actively maintained and compatible with modern Python versions.
- Whether the API breakage warnings in the description remain relevant after 2021-02-01 or if the package reached stability.
- Compatibility with Python versions beyond 3.8 (officially supported version in classifiers).
What it is and what it does
pysubtypes provides drop-in subclasses of Python's built-in types (str, list, dict) and popular library types (datetime, Enum, pandas DataFrame, BeautifulSoup) that add convenience methods and improved string representations. The Str class adds slicing, regex operations, fuzzy matching, and clipboard functionality; List and Dict add method chaining on mutations and filtering; DateTime adds timedelta operations via keyword arguments; Frame (DataFrame subclass) adds pivoting, casing changes, and improved Excel/SQL export; and several other utility classes wrap requests.Session, subprocess.Popen, and colour.Color with similar enhancements.
The package is designed for developers who want to work with these types using a richer API without replacing them entirely. However, it is in abandoned status—the last release was 2021-02-01 and the last commit 2022-04-16—meaning no active maintenance, bug fixes, or compatibility updates should be expected. The description explicitly warns that the API may undergo significant breaking changes and documentation may fall out of sync.
Use it for
- Add method chaining and regex filtering to dict operations in data processing pipelines.
- Use enhanced Str class with fuzzy matching and clipboard integration for text manipulation tasks.
- Leverage Frame (DataFrame subclass) for cleaner Excel export with automatic table formatting and SQL type inference.
- Simplify datetime arithmetic with DateTime.delta() keyword-argument syntax instead of timedelta objects.
- Extend Enum functionality with automatic lowercased values via AutoEnum without manual value assignment.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
No.
The package is abandoned (last release 2021-02-01, last commit 2022-04-16) with no active maintenance. The description warns of API instability and documentation drift. While install friction is low and the MIT license is permissive, the 20 runtime dependencies and lack of maintenance create risk for compatibility issues and unpatched bugs. Use only if you are maintaining a legacy codebase already depending on it.
Install
pysubtypes on PyPI
Before you install
Low install friction, but the package is abandoned—last release was 2021-02-01 and last commit 2022-04-16. No active maintenance or bug fixes should be expected.
License in practice
MIT license permits commercial and private use with minimal restrictions, though the abandoned status means no ongoing legal or security updates.
Quickstart
pip install pysubtypes
from pysubtypes import Str, List, Dict, DateTime, Frame
s = Str("hello world")
print(s.upper()) # Enhanced str subclass
l = List([1, 2, 3])
l.append(4) # Method chaining on in-place mutationsVerify before relying
- Whether the 20 runtime dependencies are all actively maintained and compatible with modern Python versions.
- Whether the API breakage warnings in the description remain relevant after 2021-02-01 or if the package reached stability.
- Compatibility with Python versions beyond 3.8 (officially supported version in classifiers).
Package facts
| License | MIT permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 20 packagessimplejsonaenumbs4case-conversioncolourclipboardhtml-textpython-dateutilfuzzywuzzyinflectmaybe-elsepandasparsedatetimeprettierfierregexrequeststabulateurllib3xlsxwritermsoffcrypto-tool |
| Maintenance | Abandoned 2,020 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 609,196 / month, #5,775 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 3 - AlphaIntended Audience :: DevelopersProgramming Language :: Python :: 3.8 |
Evidence: pysubtypes-0.3.18-py3-none-any.whl
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