## Summary
This PR adds a first-class API for defining registry indexes, beyond our
existing `--index-url` and `--extra-index-url` setup.
Specifically, you now define indexes like so in a `uv.toml` or
`pyproject.toml` file:
```toml
[[tool.uv.index]]
name = "pytorch"
url = "https://download.pytorch.org/whl/cu121"
```
You can also provide indexes via `--index` and `UV_INDEX`, and override
the default index with `--default-index` and `UV_DEFAULT_INDEX`.
### Index priority
Indexes are prioritized in the order in which they're defined, such that
the first-defined index has highest priority.
Indexes are also inherited from parent configuration (e.g., the
user-level `uv.toml`), but are placed after any indexes in the current
project, matching our semantics for other array-based configuration
values.
You can mix `--index` and `--default-index` with the legacy
`--index-url` and `--extra-index-url` settings; the latter two are
merely treated as unnamed `[[tool.uv.index]]` entries.
### Index pinning
If an index includes a name (which is optional), it can then be
referenced via `tool.uv.sources`:
```toml
[[tool.uv.index]]
name = "pytorch"
url = "https://download.pytorch.org/whl/cu121"
[tool.uv.sources]
torch = { index = "pytorch" }
```
If an index is marked as `explicit = true`, it can _only_ be used via
such references, and will never be searched implicitly:
```toml
[[tool.uv.index]]
name = "pytorch"
url = "https://download.pytorch.org/whl/cu121"
explicit = true
[tool.uv.sources]
torch = { index = "pytorch" }
```
Indexes defined outside of the current project (e.g., in the user-level
`uv.toml`) can _not_ be explicitly selected.
(As of now, we only support using a single index for a given
`tool.uv.sources` definition.)
### Default index
By default, we include PyPI as the default index. This remains true even
if the user defines a `[[tool.uv.index]]` -- PyPI is still used as a
fallback. You can mark an index as `default = true` to (1) disable the
use of PyPI, and (2) bump it to the bottom of the prioritized list, such
that it's used only if a package does not exist on a prior index:
```toml
[[tool.uv.index]]
name = "pytorch"
url = "https://download.pytorch.org/whl/cu121"
default = true
```
### Name reuse
If a name is reused, the higher-priority index with that name is used,
while the lower-priority indexes are ignored entirely.
For example, given:
```toml
[[tool.uv.index]]
name = "pytorch"
url = "https://download.pytorch.org/whl/cu121"
[[tool.uv.index]]
name = "pytorch"
url = "https://test.pypi.org/simple"
```
The `https://test.pypi.org/simple` index would be ignored entirely,
since it's lower-priority than `https://download.pytorch.org/whl/cu121`
but shares the same name.
Closes#171.
## Future work
- Users should be able to provide authentication for named indexes via
environment variables.
- `uv add` should automatically write `--index` entries to the
`pyproject.toml` file.
- Users should be able to provide multiple indexes for a given package,
stratified by platform:
```toml
[tool.uv.sources]
torch = [
{ index = "cpu", markers = "sys_platform == 'darwin'" },
{ index = "gpu", markers = "sys_platform != 'darwin'" },
]
```
- Users should be able to specify a proxy URL for a given index, to
avoid writing user-specific URLs to a lockfile:
```toml
[[tool.uv.index]]
name = "test"
url = "https://private.org/simple"
proxy = "http://<omitted>/pypi/simple"
```
## Summary
Create a function main as the default for a packaged app. Configure the
default executable as:
`example-packaged-app = "example_packaged_app:main"`
Which is often what you want - the executable has the same name as the
app.
The purpose is to more often hit what the user wants, so they don't have
to even rename the command to start developing.
## Test Plan
- existing tests are updated
## Summary
This PR enables users to provide multiple source entries in
`tool.uv.sources`, e.g.:
```toml
[tool.uv.sources]
httpx = [
{ git = "https://github.com/encode/httpx", tag = "0.27.2", marker = "sys_platform == 'darwin'" },
{ git = "https://github.com/encode/httpx", tag = "0.24.1", marker = "sys_platform == 'linux'" },
]
```
The implementation is relatively straightforward: when we lower the
requirement, we now return an iterator rather than a single requirement.
In other words, the above is transformed into two requirements:
```txt
httpx @ git+https://github.com/encode/httpx@0.27.2 ; sys_platform == 'darwin'
httpx @ git+https://github.com/encode/httpx@0.24.1 ; sys_platform == 'linux'
```
We verify (at deserialization time) that the markers are
non-overlapping.
Closes https://github.com/astral-sh/uv/issues/3397.
## Summary
✏️ Fix typo in `projects.md`
<!-- What's the purpose of the change? What does it do, and why? -->
## Test Plan
<!-- How was it tested? -->
---------
Co-authored-by: Charlie Marsh <charlie.r.marsh@gmail.com>
## Summary
Small stale/typo char in docs when generating a project
```
➜ ntp -v uv-test && uv venv --python 3.12 --seed && uv init --app --package example-packaged-app
Directory /tmp/testing/uv-test created and switched to.
Using Python 3.12.4 interpreter at: /Users/coffee/.local/share/mise/installs/python/3.12/bin/python3.12
Creating virtual environment with seed packages at: .venv
+ pip==24.2
Activate with: source .venv/bin/activate.fish
Virtual environment created with Python 3.12 and activated.
Using Python 3.12.4 interpreter at: /Users/coffee/.local/share/mise/installs/python/3.12/bin/python3.12
Creating virtual environment with seed packages at: .venv
+ pip==24.2
Activate with: source .venv/bin/activate.fish
Initialized project `example-packaged-app` at `/private/tmp/testing/uv-test/example-packaged-app`
/tmp/testing/uv-test via pyenv (uv-test) on ☁ (us-east-2)
➜ tree
0 B ┌─ README.md
4096 B ├─ pyproject.toml
4096 B │ ┌─ __init__.py
4096 B │ ┌─ example_packaged_app
4096 B ├─ src
8192 B ┌─ example-packaged-app
8192 B uv-test
```
## Test Plan
Eyeballs
## Summary
This PR enables users to provide pre-defined static metadata for
dependencies. It's intended for situations in which the user depends on
a package that does _not_ declare static metadata (e.g., a
`setup.py`-only sdist), and that is expensive to build or even cannot be
built on some architectures. For example, you might have a Linux-only
dependency that can't be built on ARM -- but we need to build that
package in order to generate the lockfile. By providing static metadata,
the user can instruct uv to avoid building that package at all.
For example, to override all `anyio` versions:
```toml
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = ["anyio"]
[[tool.uv.dependency-metadata]]
name = "anyio"
requires-dist = ["iniconfig"]
```
Or, to override a specific version:
```toml
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = ["anyio"]
[[tool.uv.dependency-metadata]]
name = "anyio"
version = "3.7.0"
requires-dist = ["iniconfig"]
```
The current implementation uses `Metadata23` directly, so we adhere to
the exact schema expected internally and defined by the standards. Any
entries are treated similarly to overrides, in that we won't even look
for `anyio@3.7.0` metadata in the above example. (In a way, this also
enables #4422, since you could remove a dependency for a specific
package, though it's probably too unwieldy to use in practice, since
you'd need to redefine the _rest_ of the metadata, and do that for every
package that requires the package you want to omit.)
This is under-documented, since I want to get feedback on the core ideas
and names involved.
Closes https://github.com/astral-sh/uv/issues/7393.
## Summary
It's very unlikely that retaining these is beneficial, since you tend to
partition the cache by platform anyway.
Closes https://github.com/astral-sh/uv/issues/7394.
closes#7365
Summary
This pull request adds support for additional file extension aliases in
the SourceDistExtension and ExtensionError enums. The newly supported
file extensions include .tbz, .tgz, .txz, .tar.lz, .tar.lzma. These
changes align the extensions supported by the SourceDistExtension with
those used in Python packaging tools, enhancing compatibility with a
broader range of source distribution formats.
Test Plan
should be added or updated to verify that the new extensions are
correctly recognized as valid source distributions and that errors are
correctly raised when unsupported extensions are provided.
Summary
This pull request fixes a typo in the --build-constraints flag, which
should be singular (--build-constraint). This update ensures consistency
across the documentation and prevents potential confusion for users.
Closes#7315
## Test Plan
The change was verified by reviewing the relevant documentation files
where the flag is referenced. No functional code changes were made, so
no additional testing is required beyond confirming the documentation
update.
## Tested
The change was tested by visually inspecting the updated documentation
to confirm that the typo has been corrected
Similar to our semantics for packages with pre-release versions.
We will not use prerelease versions unless there are only prerelease
versions available, a specific version is requested,
or the prerelease version is found in a reasonable source (active
environment, explicit path, etc. but not `PATH`).
For example, `uv python install 3.13 && uv run python --version` will no
longer use `3.13.0rc2` unless that is the only Python version available,
`--python 3.13` is used, or that's the Python version that is present in
`.venv`.
## Summary
This has been asked for a few times. There are risks that these checks
could be slow, but they're buyer-beware.
Closes https://github.com/astral-sh/uv/issues/7246.
Let's promote type hints!
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
The generated script now annotates the return type of the dummy function
`hello()`.
## Test Plan
<!-- How was it tested? -->
All existing tests have been synced with this update.
## Summary
This PR adds a more flexible cache invalidation abstraction for uv, and
uses that new abstraction to improve support for dynamic metadata.
Specifically, instead of relying solely on a timestamp, we now pass
around a `CacheInfo` struct which (as of now) contains
`Option<Timestamp>` and `Option<Commit>`. The `CacheInfo` is saved in
`dist-info` as `uv_cache.json`, so we can test already-installed
distributions for cache validity (along with testing _cached_
distributions for cache validity).
Beyond the defaults (`pyproject.toml`, `setup.py`, and `setup.cfg`
changes), users can also specify additional cache keys, and it's easy
for us to extend support in the future. Right now, cache keys can either
be instructions to include the current commit (for `setuptools_scm` and
similar) or file paths (for `hatch-requirements-txt` and similar):
```toml
[tool.uv]
cache-keys = [{ file = "requirements.txt" }, { git = true }]
```
This change should be fully backwards compatible.
Closes https://github.com/astral-sh/uv/issues/6964.
Closes https://github.com/astral-sh/uv/issues/6255.
Closes https://github.com/astral-sh/uv/issues/6860.
## Summary
Fixes#7081
Treats source distribution `.tgz` the same as `.tar.gz` plans
## Test Plan
Quick Version
```bash
cd $(mktemp -d)
uv init
uv add --dev build
.venv/bin/python -m build -s .
mv -v dist/*tar.gz dist/"$(basename dist/*.tar.gz .tar.gz)".tgz
uv pip install dist/*.tgz
```
Can add a proper test to the branch if requested
## Summary
Explicitly list the formats and extensions that uv supports, based on
[this
list](86ee8d2c01/crates/distribution-filename/src/extension.rs (L70-L77)).
Not a huge fan of adding the section in `concepts/resolution.md`, but I
did not find a better place. Alternatively we could maybe add a
dedicated page that shortly explains Python package types (wheels,
sdists), where such a section could live?
## Test Plan
Local run of the documentation.
This PR updates documentation to explicitly mention how to update a
specific package with a locked version to a different version.
Fixes: https://github.com/astral-sh/uv/issues/7019
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
## Summary
Closes https://github.com/astral-sh/uv/issues/7027
* When displaying the file structure of a uv-managed project show the
`.python-version` file which is now created by default.
* Mention the purpose of the `.python-version` file in `Guides/Working
on projects/Project structure`
* In `Concepts/Python versions/Project python versions`, changed
sentence about `.python-version` file to reflect the fact it is included
by default so is likely to be present.
Our current strategy of parsing the output of `py --list-paths` to get
the installed python versions on windows is brittle (#6524, missing
`py`, etc.) and it's slow (10ms last time i measured).
Instead, we should behave spec-compliant and read the python versions
from the registry following PEP 514.
It's not fully clear which errors we should ignore and which ones we
need to raise.
We're using the official rust-for-windows crates for accessing the
registry.
Fixes#1521Fixes#6524
## Summary
The interface here is intentionally a bit more limited than `uv pip
compile`, because we don't want `requirements.txt` to be a system of
record -- it's just an export format. So, we don't write annotation
comments (i.e., which dependency is requested from which), we don't
allow writing extras, etc. It's just a flat list of requirements, with
their markers and hashes.
Closes#6007.
Closes#6668.
Closes#6670.
As described in #4242, we're currently incorrectly downloading glibc
python-build-standalone on musl target, but we also can't fix this by
using musl python-build-standalone on musl targets since the musl builds
are effectively broken.
We reintroduce the libc detection previously removed in #2381, using it
to detect which libc is the current one before we have a python
interpreter. I changed the strategy a big to support an empty `PATH`
which we use in the tests.
For simplicity, i've decided to just filter out the musl
python-build-standalone archives from the list of available archive,
given this is temporary. This means we show the same error message as if
we don't have a build for the platform. We could also add a dedicated
error message for musl.
Fixes#4242
## Test Plan
Tested manually.
On my ubuntu host, python downloads continue to pass:
```
target/x86_64-unknown-linux-musl/debug/uv python install
```
On alpine, we fail:
```
$ docker run -it --rm -v .:/io alpine /io/target/x86_64-unknown-linux-musl/debug/uv python install
Searching for Python installations
error: No download found for request: cpython-any-linux-x86_64-musl
```
## Summary
Small keyword fix. In the `concepts/dependencies` documentation, the
workspace example listed members under an invalid
`tool.uv.workspace.include` field.
This PR changes the key to
[`tool.uv.workspace.members`](https://docs.astral.sh/uv/reference/settings/#workspace_members)
instead.
This PR migrates uv's use of `chrono` to `jiff`.
I did most of this work a while back as one of my tests to ensure Jiff
could actually be used in a real world project. I decided to revive
this because I noticed that `reqwest-retry` dropped its Chrono
dependency,
which is I believe the only other thing requiring Chrono in uv.
(Although, we use a fork of `reqwest-middleware` at present, and that
hasn't been updated to latest upstream yet. I wasn't quite sure of the
process we have for that.)
In course of doing this, I actually made two changes to uv:
First is that the lock file now writes an RFC 3339 timestamp for
`exclude-newer`. Previously, we were using Chrono's `Display`
implementation for this which is a non-standard but "human readable"
format. I think the right thing to do here is an RFC 3339 timestamp.
Second is that, in addition to an RFC 3339 timestamp, `--exclude-newer`
used to accept a "UTC date." But this PR changes it to a "local date."
That is, a date in the user's system configured time zone. I think
this makes more sense than a UTC date, but one alternative is to drop
support for a date and just rely on an RFC 3339 timestamp. The main
motivation here is that automatically assuming UTC is often somewhat
confusing, since just writing an unqualified date like `2024-08-19` is
often assumed to be interpreted relative to the writer's "local" time.
## Summary
The strategy here is: if the user provides supported environments, we
use those as the initial forks when resolving. As a result, we never add
or explore branches that are disjoint with the supported environments.
(If the supported environments change, we ignore the lockfile entirely,
so we don't have to worry about any interactions between supported
environments and the preference forks.)
Closes https://github.com/astral-sh/uv/issues/6184.
The loose consensus is that "fetch" doesn't have much meaning and that a
boolean flag makes more sense from the command line.
1. Adds `--allow-python-downloads` (hidden, default) and
`--no-python-downloads` to the CLI to quickly enable or disable
downloads
2. Deprecates `--python-fetch` in favor of the options from (1)
3. Removes `python-fetch` in favor of a `python-downloads` setting
5. Adds a `never` variant to the enum, allowing even explicit installs
to be disabled via the configuration file
## Test plan
I tested this with various `pyproject.toml`-level settings and `uv venv
--preview --python 3.12.2` and `uv python install 3.12.2` with and
without the new CLI flags.
This PR rewrites the resolver concept and adds a resolver internals page
targeted at power users.
The new resolution concept documentation has three parts:
* An introduction for people how never heard of "resolution" before, and
a motivating example what it does. I've also shoved the part about
equally valid resolutions in there.
* Features you commonly use: Non-universal vs. universal resolution,
lowest resolution amd pre-releases.
* Expert features, we don't advertise them, you'll only need them in
complex cases when you already know and i kept them to the reference
points you need in this case: Constraints, overrides and exclude-newer.
I intentionally didn't lay out any detail of the resolution itself, the
idea is that users get a vague sense of "uv has to select fitting
versions", but then they learn the options they have to use and some
common failure points without ever coming near SAT or even graphs.
The resolution internals reference page is targeted at power users who
need to understand what is going on behind the scenes. It assumes ample
prior knowledge and exists to explain the uv-specific behaviors for
someone who already understands dependency resolution conceptually and
has interacted with their dependency tree before. I had a section on the
lockfile but removed it because it found the lockfile to be too
self-documenting.
I haven't touched the readme.
Closes#5603Closes#5238Closes#5237
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
To enforce the 100 character line limit in markdown files introduced in
https://github.com/astral-sh/uv/pull/5635, and to automate the
formatting of markdown files, i've added prettier and formatted our
markdown files with it.
I've excluded the changelog and the generated references documentation
from this for having too many changes, but we can also include them.
I'm not particular on which style we use. My main motivations are
(major) not having to reflow markdown files myself anymore and (minor)
consistence between all markdown files. I've chosen prettier for similar
reason as we chose black, it's a single good style that's automated and
shared in the community. I do prefer prettier's style of not breaking
inside of a link name though.
This PR is in two parts, the first adds prettier to CI and documents
using it, while the second actually formats the docs. When merge
conflicts arise, we can drop the last commit and regenerate it with `npx
prettier --prose-wrap always --write BENCHMARKS.md CONTRIBUTING.md
README.md STYLE.md docs/*.md docs/concepts/**/*.md docs/guides/**/*.md
docs/pip/**/*.md`.
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
## Summary
This PR deprecates the `--isolated` flag. The treatment varies across
the APIs:
- For non-preview APIs, we warn but treat it as equivalent to
`--no-config`.
- For preview APIs, we warn and ignore it, with two exceptions...
- For `tool run` and `run` specifically, we don't even warn, because we
can't differentiate the command-specific `--isolated` from the global
`--isolated`.
Charlie Marsh
Adam Dangoor
David Szotten
Zanie Blue
bluss
Sebastián Ramírez
Jacob Coffee
Aditya Pratap Singh
Vivien Maisonneuve
Bartosz Sławecki
Soof Golan
Mathieu Kniewallner
FishAlchemist
Jakub Beránek
my1e5
Ed Morley
konsti
Karim Abou Zeid
T-256
Agustín Borgna
Hynek Schlawack
Andrew Gallant
Theo BABILON
Delgan