pyobjc-framework-UniformTypeIdentifiers
Wrappers for the framework UniformTypeIdentifiers on macOS
Decision gist · record as of 2026-08-14
Yes, if you are building a macOS application in Python and need to work with the native UniformTypeIdentifiers framework. The package is actively maintained, has no known vulnerabilities, and installs with low friction. However, it is only useful on macOS and requires Python 3.10+; it is not a general-purpose library for cross-platform type identification.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- macOS only; requires Python 3.10 or later and a working Objective-C bridge (provided by pyobjc-core).
- Low friction installation with active maintenance—released 3 days ago with a recent commit history.
- Depends on pyobjc-core and pyobjc-framework-Cocoa, both part of the same PyObjC ecosystem, so dependency resolution is straightforward.
License · maintenance · safety
MIT (permissive) — MIT license is permissive; you can use this package in commercial or proprietary projects without restriction, though you must include the license notice.
last release 2026-08-11 (3 days) · last repo commit 2026-08-14 · 803 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 951,167 downloads/mo, #4,657 on PyPI
Alternatives
Verify before relying
pip install pyobjc-framework-uniformtypeidentifiers
from UniformTypeIdentifiers import UTType
# Query a uniform type identifier
uttype = UTType.typeWithFilenameExtension_('txt')
if uttype:
print(uttype.identifier())- Whether this framework wrapper includes type-checking stubs or runtime type hints for IDE support.
- Performance characteristics when handling large numbers of type identifiers or frequent type lookups.
What it is and what it does
This package wraps Apple's UniformTypeIdentifiers framework for use in Python on macOS. It lets you work with macOS's native type system—identifying file types, querying type properties, and handling uniform type descriptors—directly from Python code. The wrapper translates between Python and Objective-C, so you call the framework's methods as if they were Python functions, but you'll need to consult Apple's official documentation to understand what each method does, since the wrapper itself provides only the bridge, not the documentation.
You'll use this when building macOS applications that need to identify or work with file types at the system level, or when integrating with other Cocoa frameworks that depend on UniformTypeIdentifiers. It requires Python 3.10 or later and depends on pyobjc-core and pyobjc-framework-Cocoa, which handle the core Objective-C interop.
Use it for
- Identify file types in a macOS file picker or drag-and-drop handler without relying on file extensions.
- Query type properties (MIME types, file extensions, descriptions) for files your application handles.
- Build macOS desktop applications that integrate with Cocoa and need native type system support.
- Filter or validate files based on their uniform type identifier in a native macOS context.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building a macOS application in Python and need to work with the native UniformTypeIdentifiers framework.
The package is actively maintained, has no known vulnerabilities, and installs with low friction. However, it is only useful on macOS and requires Python 3.10+; it is not a general-purpose library for cross-platform type identification.
Install
pyobjc-framework-uniformtypeidentifiers on PyPI
Before you install
Low friction installation with active maintenance—released 3 days ago with a recent commit history. Depends on pyobjc-core and pyobjc-framework-Cocoa, both part of the same PyObjC ecosystem, so dependency resolution is straightforward.
macOS only; requires Python 3.10 or later and a working Objective-C bridge (provided by pyobjc-core).
License in practice
MIT license is permissive; you can use this package in commercial or proprietary projects without restriction, though you must include the license notice.
Quickstart
pip install pyobjc-framework-uniformtypeidentifiers
from UniformTypeIdentifiers import UTType
# Query a uniform type identifier
uttype = UTType.typeWithFilenameExtension_('txt')
if uttype:
print(uttype.identifier())Verify before relying
- Whether this framework wrapper includes type-checking stubs or runtime type hints for IDE support.
- Performance characteristics when handling large numbers of type identifiers or frequent type lookups.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagespyobjc-corepyobjc-framework-Cocoa |
| Maintenance | Actively maintained 3 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 951,167 / month, #4,657 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableEnvironment :: ConsoleEnvironment :: MacOS X :: CocoaIntended Audience :: DevelopersNatural Language :: EnglishOperating System :: MacOS :: MacOS XProgramming Language :: Objective CProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.15Programming Language :: Python :: Free Threading :: 3 - StableProgramming Language :: Python :: Implementation :: CPythonTopic :: Software Development :: Libraries :: Python ModulesTopic :: Software Development :: User Interfaces |
Evidence: pyobjc_framework_uniformtypeidentifiers-12.2.2-py2.py3-none-any.whl
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See also pyobjc-framework-ClassKit · pyobjc-framework-Photos · pyobjc-framework-FileProvider · pyobjc-framework-Vision · pyobjc-framework-FileProviderUI · pyobjc-framework-AutomaticAssessmentConfiguration · pyobjc-framework-VideoSubscriberAccount · pyobjc-framework-LocalAuthenticationEmbeddedUI · pyobjc-framework-Network · pyobjc-framework-SafetyKit