When [updating](https://github.com/astral-sh/uv/pull/14475) to the
latest `reqwest` version, our fragment propagation test broke. That test
was partially testing the `reqwest` behavior, so this PR moves the
fragment test to directly test our logic for constructing redirect
requests.
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| aws-actions/configure-aws-credentials | action | digest | `3d8cba3` ->
`f503a18` |
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
In pixi we overlay the PyPI packages over the conda packages and we
sometimes need to figure out what PyPI packages are involved in the
no-solution error. We could parse the error message, but this is pretty
error-prone, so it would be good to get access to more information. A
lot of information in this module is private and should probably stay
this way, but package names are easy enough to expose. This would help
us a lot!
I collect into a HashSet to remove duplication, and did not want to
expose a rustc_hash datastructure directly, thats's why I've chosen to
expose as an iterator :)
Let me know if any changes need to be done, and thanks!
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
Hey, are you okay with exposing the `ErrorTree` for library consumers?
We have a use case that needs more information on conflicts. We need the
tree-structure of the conflict and be able to traverse it in particular.
Signed-off-by: Simon Sure <ssure@palantir.com>
The uv build backend has gone through some feedback cycles, we expect no
more major configuration changes, and we're ready to take the next step:
The uv build backend in stable.
This PR stabilizes:
* Using `uv_build` as build backend
* The documentation of the uv build backend
* The direct build fast path, where uv doesn't use PEP 517 if you're
using `uv_build` in a compatible version.
* `uv build --list`, which is limited to `uv_build`.
It does not:
* Make `uv_build` the default on `uv init`
* Make `--package` the default on `uv init`
## Summary
If we fail to acquire a lock on an environment, uv shouldn't fail; we
should just warn. In some cases, users run uv with read-only permissions
for their projects, etc.
For now, I kept any locks acquired _in the cache_ as hard failures,
since we always need write-access to the cache.
Closes https://github.com/astral-sh/uv/issues/14411.
## Summary
The idea here is that if a user runs `uv pip compile --universal`, we
should ignore the patch version on the current interpreter. I think this
makes sense... `--universal` tries to resolve for all future versions,
so it seems a bit odd that we'd start at the _current_ patch version.
Closes https://github.com/astral-sh/uv/issues/14397.
I think the build backend docs as a whole are now ready for review. I
only made a small change here.
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
Clap does not perform global validation, so flag that are declared as
overriding can be set at the same time:
https://github.com/clap-rs/clap/issues/6049. This would previously cause
a panic. We work around this by choosing the yes-value always and
writing a warning.
An alternative would be erroring when both are set, but it's unclear to
me if this may break things we want to support. (`UV_OFFLINE=1 cargo run
-q pip --no-offline install tqdm --no-cache` is already banned).
Fixes https://github.com/astral-sh/uv/pull/14299
**Test Plan**
```
$ cargo run -q pip --offline install --no-offline tqdm --no-cache
warning: Boolean flags on different levels are not correctly supported (https://github.com/clap-rs/clap/issues/6049)
× No solution found when resolving dependencies:
╰─▶ Because tqdm was not found in the cache and you require tqdm, we can conclude that your requirements are unsatisfiable.
hint: Packages were unavailable because the network was disabled. When the network is disabled, registry packages may only be read from the cache.
```
## Summary
The basic idea here is that we can (should) reuse a build environment
across resolution (`prepare_metadata_for_build_wheel`) and installation.
This also happens to solve the build-PyTorch-from-source problem, since
we use a consistent build environment between the invocations.
Since `SourceDistributionBuilder` is stateless, we instead store the
builds on `BuildContext`, and we key them by various properties: the
underlying interpreter, the configuration settings, etc. This just
ensures that if we build the same package twice within a process, we
don't accidentally reuse an incompatible build (virtual) environment.
(Note that still drop build environments at the end of the command, and
don't attempt to reuse them across processes.)
Closes#14269.
If/when we see https://github.com/astral-sh/uv/issues/14171 again, this
should clarify whether our retry logic was skipped (i.e. a transient
error wasn't correctly identified as transient), or whether we exhausted
our retries. Previously, if you ran a local example fileserver as in
https://github.com/astral-sh/uv/issues/14171#issuecomment-3014580701 and
then you tried to install Python from it, you'd get:
```
$ export UV_TEST_NO_CLI_PROGRESS=1
$ uv python install 3.8.20 --mirror http://localhost:8000 2>&1 | cat
error: Failed to install cpython-3.8.20-linux-x86_64-gnu
Caused by: Failed to extract archive: cpython-3.8.20-20241002-x86_64-unknown-linux-gnu-install_only_stripped.tar.gz
Caused by: failed to unpack `/home/jacko/.local/share/uv/python/.temp/.tmpS4sHHZ/python/lib/libpython3.8.so.1.0`
Caused by: failed to unpack `python/lib/libpython3.8.so.1.0` into `/home/jacko/.local/share/uv/python/.temp/.tmpS4sHHZ/python/lib/libpython3.8.so.1.0`
Caused by: error decoding response body
Caused by: request or response body error
Caused by: error reading a body from connection
Caused by: Connection reset by peer (os error 104)
```
With this change you get:
```
error: Failed to install cpython-3.8.20-linux-x86_64-gnu
Caused by: Request failed after 3 retries
Caused by: Failed to extract archive: cpython-3.8.20-20241002-x86_64-unknown-linux-gnu-install_only_stripped.tar.gz
Caused by: failed to unpack `/home/jacko/.local/share/uv/python/.temp/.tmp4Ia24w/python/lib/libpython3.8.so.1.0`
Caused by: failed to unpack `python/lib/libpython3.8.so.1.0` into `/home/jacko/.local/share/uv/python/.temp/.tmp4Ia24w/python/lib/libpython3.8.so.1.0`
Caused by: error decoding response body
Caused by: request or response body error
Caused by: error reading a body from connection
Caused by: Connection reset by peer (os error 104)
```
At the same time, I'm updating the way we handle the retry count to
avoid nested retry loops exceeding the intended number of attempts, as I
mentioned at
https://github.com/astral-sh/uv/issues/14069#issuecomment-3020634281.
It's not clear to me whether we actually want this part of the change,
and I need feedback here.
## Summary
This PR ensures that we avoid cleaning up build directories until the
end of a resolve-and-install cycle. It's not bulletproof (since we could
still run into issues with `uv lock` followed by `uv sync` whereby a
build directory gets cleaned up that's still referenced in the `build`
artifacts), but it at least gets PyTorch building without error with `uv
pip install .`, which is a case that's been reported several times.
Closes https://github.com/astral-sh/uv/issues/14269.
The marker display code assumes that all versions are normalized, in
that all trailing zeroes are stripped. This is not the case for
tilde-equals and equals-star versions, where the trailing zeroes (before
the `.*`) are semantically relevant. This would cause path
dependent-behavior where we would get a different marker string
depending on whether a version with or without a trailing zero was added
to the cache first.
To handle both equals-star and tilde-equals when converting
`python_version` to `python_full_version` markers, we have to merge the
version normalization (i.e. trimming the trailing zeroes) and the
conversion both to `python_full_version` and to `Ranges`, while special
casing equals-star and tilde-equals.
To avoid churn in lockfiles, we only trim in the conversion to `Ranges`
for markers, but keep using untrimmed versions for requires-python.
(Note that this behavior is technically also path dependent, as versions
with and without trailing zeroes have the same Hash and Eq. E.q.,
`requires-python == ">= 3.10.0"` and `requires-python == ">= 3.10"` in
the same workspace could lead to either value in `uv.lock`, and which
one it is could change if we make unrelated (performance) changes.
Always trimming however definitely changes lockfiles, a churn I wouldn't
do outside another breaking or lockfile-changing change.) Nevertheless,
there is a change for users who have `requires-python = "~= 3.12.0"` in
their `pyproject.toml`, as this now hits the correct normalization path.
Fixes#14231Fixes#14270
## Summary
There's a good example of the downside of using verbatim URLs here:
https://github.com/astral-sh/uv/pull/14197#discussion_r2163599625 (we
show two relative paths that point to the same directory, but it's not
clear from the error message).
The diff:
```
2 2 │ ----- stdout -----
3 3 │
4 4 │ ----- stderr -----
5 5 │ error: Requirements contain conflicting URLs for package `library` in all marker environments:
6 │-- ../../library
7 │-- ./library
6 │+- file://[TEMP_DIR]/library
7 │+- file://[TEMP_DIR]/library (editable)
```
## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
As explained in the [`codspeed-rust` v3 release
notes](https://github.com/CodSpeedHQ/codspeed-rust/releases/tag/v3.0.0),
the `v3` of the compatibility layers is now required to work with the
latest version(`v3`) of `cargo-codspeed`.
and prefer emulated x64 windows in its stead.
This is preparatory work for shipping support for uv downloading and
installing aarch64 (arm64) windows Pythons. We've [had builds for this
platform ready for a
while](https://github.com/astral-sh/python-build-standalone/pull/387),
but have held back on shipping them due to a fundamental problem:
**The Python packaging ecosystem does not have strong support for
aarch64 windows**, e.g., not many projects build aarch64 wheels yet. The
net effect of this is that, if we handed you an aarch64 python
interpreter on windows, you would have to build a lot more sdists, and
there's a high chance you will simply fail to build that sdist and be
sad.
Yes unfortunately, in this case a non-native Python interpreter simply
*works better* than the native one... in terms of working at all, today.
Of course, if the native interpreter works for your project, it should
presumably have better performance and platform compatibility.
We do not want to stand in the way of progress, as ideally this
situation is a temporary state of affairs as the ecosystem grows to
support aarch64 windows. To enable progress, on aarch64 Windows builds
of uv:
* We will still use a native python interpreter, e.g., if it's at the
front of your `PATH` or the only installed version.
* If we are choosing between equally good interpreters that differ in
architecture, x64 will be preferred.
* If the aarch64 version is newer, we will prefer the aarch64 one.
* We will emit a diagnostic on installation, and show the python request
to pass to uv to force aarch64 windows to be used.
* Will be shipping [aarch64 Windows Python
downloads](https://github.com/astral-sh/python-build-standalone/pull/387)
* Will probably add some kind of global override setting/env-var to
disable this behaviour.
* Will be shipping this behaviour in
[astral-sh/setup-uv](https://github.com/astral-sh/setup-uv)
We're coordinating with Microsoft, GitHub (for the `setup-python`
action), and the CPython team (for the `python.org` installers), to
ensure we're aligned on this default and the timing of toggling to
prefer native distributions in the future.
See discussion in
- https://github.com/astral-sh/uv/issues/12906
---
This is an alternative to
* #13719
which uses sorting rather than filtering, as discussed in
* #13721
This fixes an obscure cache collision in Python interpreter queries,
which we believe to be the root cause of CI flakes we've been seeing
where a project environment is invalidated and recreated.
This work follows from the logs in [this CI
run](4495059999)
which captured one of the flakes with tracing enabled. There, we can see
that the project environment is invalidated because the Python
interpreter in the environment has a different version than expected:
```
DEBUG Checking for Python environment at `.venv`
TRACE Cached interpreter info for Python 3.12.9, skipping probing: .venv/bin/python3
DEBUG The interpreter in the project environment has different version (3.12.9) than it was created with (3.9.21)
```
(this message is updated to reflect #14329)
The flow is roughly:
- We create an environment with 3.12.9
- We query the environment, and cache the interpreter version for
`.venv/bin/python`
- We create an environment for 3.9.12, replacing the existing one
- We query the environment, and read the cached information
The Python cache entries are keyed by the absolute path to the
interpreter, and rely on the modification time (ctime, nsec resolution)
of the canonicalized path to determine if the cache entry should be
invalidated. The key is a hex representation of a u64 sea hasher output
— which is very unlikely to collide.
After an audit of the Python query caching logic, we determined that the
most likely cause of a collision in cache entries is that the
modification times of underlying interpreters are identical. This seems
pretty feasible, especially if the file system does not support
nanosecond precision — though it appears that the GitHub runners do
support it.
The fix here is to include the canonicalized path in the cache key,
which ensures we're looking at the modification time of the _same_
underlying interpreter.
This will "invalidate" all existing interpreter cache entries but that's
not a big deal.
This should also have the effect of reducing cache churn for
interpreters in virtual environments. Now, when you change Python
versions, we won't invalidate the previous cache entry so if you change
_back_ to the old version we can re-use our cached information.
It's a bit speculative, since we don't have a deterministic reproduction
in CI, but this is the strongest candidate given the logs and should
increase correctness regardless.
Closes https://github.com/astral-sh/uv/issues/14160
Closes https://github.com/astral-sh/uv/issues/13744
Closes https://github.com/astral-sh/uv/issues/13745
Once it's confirmed the flakes are resolved, we should revert
- https://github.com/astral-sh/uv/pull/14275
- #13817
## Summary
In #14245, we started normalizing index URLs by dropping the trailing
slash in the lockfile. We added tests to ensure that this didn't cause
existing lockfiles to be invalidated, but we missed one of the
constructors (specifically, the path that's used with
`tool.uv.sources`).
Motivated by some code duplication highlighted in
https://github.com/astral-sh/uv/pull/14201, I noticed we weren't taking
advantage of the existing implementation for casting to a str here.
Unfortunately, we do need a special case for CPython still.
Close#7426
## Summary
Picking up on #8284, I noticed that the `requires_python` object already
has its specifiers canonicalized in the `intersection` method, meaning
`~=3.12` is converted to `>=3.12, <4`. To fix this, we check and warn in
`intersection`.
## Test Plan
Used the same tests from #8284.
## Summary
When the user provides a requirement like `==2.4.*`, we desugar that to
`>=2.4.dev0,<2.5.dev0`. These bounds then appear in error messages, and
worse, they also trick the error message reporter into thinking that the
user asked for a pre-release.
This PR adds logic to convert to the more-concise `==2.4.*`
representation when possible. We could probably do a similar thing for
the compatible release operator (`~=`).
Closes https://github.com/astral-sh/uv/issues/14177.
Co-authored-by: Zanie Blue <contact@zanie.dev>
Python `bin` installations installed with `uv python install --default
--preview` (no version specified) were not being installed as
upgradeable. Instead each link was pointed at the highest patch version
for a minor version. This change ensures that these preview default
installations are also treated as upgradeable.
The PR includes some updates to the related tests. First, it checks the
default install without specified version case. Second, since it's
adding more read link checks, it creates a new `read_link` helper method
to consolidate repeated logic and replace instances of
`#[cfg(unix/windows)` with `if cfg!(unix/windows)`.
Fixes#14247
This PR updates `IndexUrl` parsing to normalize non-file URLs by
removing trailing slashes. It also normalizes registry source URLs when
using them to validate the lockfile.
Prior to this change, when writing an index URL to the lockfile, uv
would use a trailing slash if present in the provided URL and no
trailing slash otherwise. This can cause surprising behavior. For
example, `uv lock --locked` will fail when a package is added with an
`--index` value without a trailing slash and then `uv lock --locked` is
run with a `pyproject.toml` version of the index URL that contains a
trailing slash. This PR fixes this and adds a test for the scenario.
It might be safe to normalize file URLs in the same way, but since
slashes have a well-defined meaning in the context of files and
directories, I chose not to normalize them here.
Closes#13707.
uv currently ignores URL-encoded credentials in a redirect location.
This PR adds a check for these credentials to the redirect handling
logic. If found, they are moved to the Authorization header in the
redirect request.
Closes#11097
Previously we were using the XDG data dir to avoid symlinks, but there's no
particular guarantee that that's not going to be a symlink too. Using the
canonicalized temp dir by default is also slightly nicer for a couple reasons:
It's sometimes faster (an in-memory tempfs on e.g. Arch), and it makes
overriding `$TMPDIR` or `%TMP%` sufficient to control where tests put temp
files, without needing to override `UV_INTERNAL__TEST_DIR` too.
There was a regression introduced in #13954 on Windows where creating a
venv behaved as if there was a minor version link even if none existed.
This PR adds a check to fix this.
Closes#14249.
We do not currently support passing index names to `--index` for
installing packages. However, we do accept relative paths that can look
like index names. This PR adds the requirement that `--index` values
must be disambiguated with a prefix (`./` or `../` on Unix and Windows
or `.\\` or `..\\` on Windows). For now, if an ambiguous value is
provided, uv will warn that this will not be supported in the future.
Currently, if you provide an index name like `--index test` when there
is no `test` directory, uv will error with a `Directory not found...`
error. That's not very informative if you thought index names were
supported. The new warning makes the context clearer.
Closes#13921
In workspaces with multiple packages, you usually don't want to include
shared files such as the license repeatedly. Instead, we reading from
symlinked files. This would be supported if we had used std's `is_file`
and read methods, but walkdir's `is_file` does not consider symlinked
files as files.
See https://github.com/astral-sh/uv/issues/3957#issuecomment-2994675003
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## Summary
Update [schemars
0.9.0](https://github.com/GREsau/schemars/releases/tag/v0.9.0)
There are differences in the generated JSON Schema and I will [contact
the author](https://github.com/GREsau/schemars/issues/407).
## Test Plan
---------
Co-authored-by: konstin <konstin@mailbox.org>
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## Summary
This change adds a link to PyPI FAQ about API tokens on the package
publishing guide page. To me it wasn't clear what are meant in this
section of the docs and it required a little bit of research. Adding
explicit link might help beginners.
<!-- What's the purpose of the change? What does it do, and why? -->
Co-authored-by: Dmitry Bychkov <dbychkov@alarislabs.com>
## Summary
This flakes often and we don't really need it to be monitored
continuously. We can always revive it from Git later.
Closes https://github.com/astral-sh/uv/issues/13952.
Don't log that we resolved a reference through the GitHub fast path if
we didn't use GitHub at all but used the cached revision. This avoids
stating that the fast path works when it's blocked due to unrelated
reasons (e.g. rate limits).
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## Summary
In e10881d49c, `uv` started using a fork
of the `wiremock` crate, https://github.com/astral-sh/wiremock-rs,
linking companion PR
https://github.com/LukeMathWalker/wiremock-rs/pull/159. That PR was
merged in `wiremock` 0.6.4, so this PR switches back to the crates.io
version of `wiremock`, with a minimum version of 0.6.4.
<!-- What's the purpose of the change? What does it do, and why? -->
## Test Plan
```
$ cargo run python install
$ cargo test
````
@oconnor663 discovered that executing `3.10.8` on Arch Linux ran into an
error loading `libcrypt.so.1`. This caused uv to install the latest
patch version on `uv venv` operations during upgrade tests, which
undermined their purpose (since they are checking that if you first
install `3.10.8` and then upgrade, virtual environments are
transparently upgraded). This PR updates the test to use `3.10.17`
instead to avoid this issue.
#13954 introduced an unnecessary slow-down to Python uninstall by
calling `installations.find_all()` to discover remaining installations
after an uninstall. Instead, we can filter all initial installations
against those in `uninstalled`.
As part of this change, I've updated `uninstalled` from a `Vec` to an
`IndexSet` in order to do efficient lookups in the filter. This required
a change I call out below to how we were retrieving them for messaging.
We were checking whether a path was an executable in a virtual
environment or the base directory of a virtual environment in multiple
places in the codebase. This PR consolidates this logic into one place.
Closes#13947.
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| google-github-actions/setup-gcloud | action | digest | `77e7a55` ->
`a8b5801` |
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This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [syn](https://redirect.github.com/dtolnay/syn) |
workspace.dependencies | patch | `2.0.103` -> `2.0.104` |
---
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### Release Notes
<details>
<summary>dtolnay/syn (syn)</summary>
###
[`v2.0.104`](https://redirect.github.com/dtolnay/syn/releases/tag/2.0.104)
[Compare
Source](https://redirect.github.com/dtolnay/syn/compare/2.0.103...2.0.104)
- Disallow attributes on range expression
([#​1872](https://redirect.github.com/dtolnay/syn/issues/1872))
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This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [mimalloc](https://redirect.github.com/purpleprotocol/mimalloc_rust) |
dependencies | patch | `0.1.46` -> `0.1.47` |
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###
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Version 0.1.47
[Compare
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##### Changes
- Mimalloc `v2.2.4`
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This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
|
[EmbarkStudios/cargo-deny-action](https://redirect.github.com/EmbarkStudios/cargo-deny-action)
| action | patch | `v2.0.11` -> `v2.0.12` |
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###
[`v2.0.12`](https://redirect.github.com/EmbarkStudios/cargo-deny-action/releases/tag/v2.0.12):
Release 2.0.12 - cargo-deny 0.18.3
[Compare
Source](https://redirect.github.com/EmbarkStudios/cargo-deny-action/compare/v2.0.11...v2.0.12)
##### Changed
-
[PR#773](https://redirect.github.com/EmbarkStudios/cargo-deny/pull/773)
changed cargo-deny's duplicate detection to automatically ignore
versions whose only dependent is another version of the same crate.
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## Summary
Allows `--torch-backend=auto` to detect AMD GPUs. The approach is fairly
well-documented inline, but I opted for `rocm_agent_enumerator` over
(e.g.) `rocminfo` since it seems to be the recommended approach for
scripting:
https://rocm.docs.amd.com/projects/rocminfo/en/latest/how-to/use-rocm-agent-enumerator.html.
Closes https://github.com/astral-sh/uv/issues/14086.
## Test Plan
```
root@rocm-jupyter-gpu-mi300x1-192gb-devcloud-atl1:~# ./uv-linux-libc-11fb582c5c046bae09766ceddd276dcc5bb41218/uv pip install torch --torch-backend=auto
Resolved 11 packages in 251ms
Prepared 2 packages in 6ms
Installed 11 packages in 257ms
+ filelock==3.18.0
+ fsspec==2025.5.1
+ jinja2==3.1.6
+ markupsafe==3.0.2
+ mpmath==1.3.0
+ networkx==3.5
+ pytorch-triton-rocm==3.3.1
+ setuptools==80.9.0
+ sympy==1.14.0
+ torch==2.7.1+rocm6.3
+ typing-extensions==4.14.0
```
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
More follow-up to #13459
- Depot doesn't support annotations, so we push those manually
- Docker push for the re-tag was breaking the manifest, since we need to
annotate manually, we just do that instead
- We attest after the annotation
A bit of an aside
- We test building the extra images, it's very fast and I don't see why
it's better to gate it
I tested this on my fork then cleaned it up a bit for a commit here. You
can see the images at
- https://github.com/zanieb/uv/pkgs/container/uv
- https://hub.docker.com/r/astral/uv/tags
---------
Co-authored-by: samypr100 <3933065+samypr100@users.noreply.github.com>
I was looking into `uv tool` not supporting version files, and noticed
this implementation was confusing and skipped handling like a tracing
log if `--no-config` excludes selection a file. I've refactored it in
preparation for the next change.
## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Replace wrong `cuda124` version to the correct `cuda128` version in
torch docs
## Test Plan
<!-- How was it tested? -->
Also took the time to migrate to the external config format to normalize
our projects for team comfort (`ty` *has* to use this format for its
workspace structure).
> NOTE: The PRs that were merged into this feature branch have all been
independently reviewed. But it's also useful to see all of the changes
in their final form. I've added comments to significant changes
throughout the PR to aid discussion.
This PR introduces transparent Python version upgrades to uv, allowing
for a smoother experience when upgrading to new patch versions.
Previously, upgrading Python patch versions required manual updates to
each virtual environment. Now, virtual environments can transparently
upgrade to newer patch versions.
Due to significant changes in how uv installs and executes managed
Python executables, this functionality is initially available behind a
`--preview` flag. Once an installation has been made upgradeable through
`--preview`, subsequent operations (like `uv venv -p 3.10` or patch
upgrades) will work without requiring the flag again. This is
accomplished by checking for the existence of a minor version symlink
directory (or junction on Windows).
### Features
* New `uv python upgrade` command to upgrade installed Python versions
to the latest available patch release:
```
# Upgrade specific minor version
uv python upgrade 3.12 --preview
# Upgrade all installed minor versions
uv python upgrade --preview
```
* Transparent upgrades also occur when installing newer patch versions:
```
uv python install 3.10.8 --preview
# Automatically upgrades existing 3.10 environments
uv python install 3.10.18
```
* Support for transparently upgradeable Python `bin` installations via
`--preview` flag
```
uv python install 3.13 --preview
# Automatically upgrades the `bin` installation if there is a newer patch version available
uv python upgrade 3.13 --preview
```
* Virtual environments can still be tied to a patch version if desired
(ignoring patch upgrades):
```
uv venv -p 3.10.8
```
### Implementation
Transparent upgrades are implemented using:
* Minor version symlink directories (Unix) or junctions (Windows)
* On Windows, trampolines simulate paths with junctions
* Symlink directory naming follows Python build standalone format: e.g.,
`cpython-3.10-macos-aarch64-none`
* Upgrades are scoped to the minor version key (as represented in the
naming format: implementation-minor version+variant-os-arch-libc)
* If the context does not provide a patch version request and the
interpreter is from a managed CPython installation, the `Interpreter`
used by `uv python run` will use the full symlink directory executable
path when available, enabling transparently upgradeable environments
created with the `venv` module (`uv run python -m venv`)
New types:
* `PythonMinorVersionLink`: in a sense, the core type for this PR, this
is a representation of a minor version symlink directory (or junction on
Windows) that points to the highest installed managed CPython patch
version for a minor version key.
* `PythonInstallationMinorVersionKey`: provides a view into a
`PythonInstallationKey` that excludes the patch and prerelease. This is
used for grouping installations by minor version key (e.g., to find the
highest available patch installation for that minor version key) and for
minor version directory naming.
### Compatibility
* Supports virtual environments created with:
* `uv venv`
* `uv run python -m venv` (using managed Python that was installed or
upgraded with `--preview`)
* Virtual environments created within these environments
* Existing virtual environments from before these changes continue to
work but aren't transparently upgradeable without being recreated
* Supports both standard Python (`python3.10`) and freethreaded Python
(`python3.10t`)
* Support for transparently upgrades is currently only available for
managed CPython installations
Closes#7287Closes#7325Closes#7892Closes#9031Closes#12977
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
This PR is a combination of #12920 and #13754. Prior to these changes,
following a redirect when searching indexes would bypass our
authentication middleware. This PR updates uv to support propagating
credentials through our middleware on same-origin redirects and to
support netrc credentials for both same- and cross-origin redirects. It
does not handle the case described in #11097 where the redirect location
itself includes credentials (e.g.,
`https://user:pass@redirect-location.com`). That will be addressed in
follow-up work.
This includes unit tests for the new redirect logic and integration
tests for credential propagation. The automated external registries test
is also passing for AWS CodeArtifact, Azure Artifacts, GCP Artifact
Registry, JFrog Artifactory, GitLab, Cloudsmith, and Gemfury.
Replaces https://github.com/astral-sh/uv/pull/12320
Switches to Depot for the large Windows runner we use for `cargo test`.
The runtime goes from 8m 20s -> 6m 44s (total) and 7m 18s -> 4m 41s
(test run) which are 20% and 35% speedups respectively.
A few things got marginally slower, like Python installs went from 11s
-> 38s, the Rust cache went from 15s -> 30s, and drive setup went from
7s -> 20s.
[Two benchmark
jobs](4433771099)
were failing with `error: cannot find attribute clap in this scope`
based on #14120. This updates the recently added `#[clap(name = rocm...`
lines to use `cfg_attr(feature = "clap",`.
Close#13922
## Summary
Add a warning if the directory given by the `--index` argument is empty.
## Test Plan
Added test case `add_index_empty_directory` in `edit.rs`
The script stumbled over a newline introduced in
https://github.com/pypi/warehouse/pull/18266 (which is valid).
Also fixed: Don't read versions for the same package from other indexes.
We were using `project_name` here instead of `target`, while using the
latter and only reading from a single index simplifies the code too.
This PR provides a script that uses environment variables to determine
which registries to test. This script is being used to run automated
registry tests in CI for AWS, Azure, GCP, Artifactory, GitLab,
Cloudsmith, and Gemfury.
You must configure the following required env vars for each registry:
```
UV_TEST_<registry_name>_URL URL for the registry
UV_TEST_<registry_name>_TOKEN authentication token
UV_TEST_<registry_name>_PKG private package to install
```
The username defaults to "\_\_token\_\_" but can be optionally set with:
```
UV_TEST_<registry_name>_USERNAME
```
For each configured registry, the test will attempt to install the
specified package. Some registries can fall back to PyPI internally, so
it's important to choose a package that only exists in the registry you
are testing.
Currently, a successful test means that it finds the line “ +
<package_name>” in the output. This is because in its current form we
don’t know ahead of time what package it is and hence what the exact
expected output would be. The advantage if that anyone can run this
locally, though they would have to have access to the registries they
want to test.
You can also use the `--use-op` command line argument to derive these
test env vars from a 1Password vault (default is "RegistryTests" but can
be configured with `--op-vault`). It will look at all items in the vault
with names following the pattern `UV_TEST_<registry_name>` and will
derive the env vars as follows:
```
`UV_TEST_<registry_name>_USERNAME` from the `username` field
`UV_TEST_<registry_name>_TOKEN` from the `password` field
`UV_TEST_<registry_name>_URL` from a field with the label `url`
`UV_TEST_<registry_name>_PKG` from a field with the label `pkg`
```
When working on support for reading global Python pins in tool
operations, I noticed that we weren't using the canonicalized Python
request in receipts — we were using the raw string provided by the user.
Since we'll need to compare these values, we should be using the
canonicalized string.
The `Tool` and `ToolReceipt` types have been updated to hold a
`PythonRequest` instead of a `String`, and `Serialize` was implemented
for `PythonRequest` so canonicalization can happen at the edge instead
of being the caller's responsibility.
The dist plan parsing is pretty hard to understand, and I want to add
more images, e.g., for DockerHub in #14088. As a simplifying
precursor... move the dist plan processing into a dedicated step.
Fix `uv run -p 3.7` by not using a walrus operator. Python 3.7 isn't
really supported anymore, but there's no reason to break interpreter
discovery for it.
When using `uv lock --upgrade-package=python` after changing
`requires-python`, it was possible to get into a state where the fork
markers produced corresponded to the empty set. This in turn resulted in
an empty lock file.
There was already some infrastructure in place that I think was perhaps
intended to handle this. In particular, `Lock::check_marker_coverage`
checks whether the fork markers have some overlap with the supported
environments (including the `requires-python`). But there were two
problems with this.
First is that in lock validation, this marker coverage check came
_after_ a path that returned `Preferable` (meaning that the fork markers
should be kept) when `--upgrade-package` was used. Second is that the
marker coverage check used the `requires-python` in the lock file and
_not_ the `requires-python` in the now updated `pyproject.toml`.
We attempt to solve this conundrum by slightly re-arranging lock file
validation and by explicitly checking whether the *new*
`requires-python` is disjoint from the fork markers in the lock file. If
it is, then we return `Versions` from lock file validation (indicating
that the fork markers should be dropped).
Fixes#13951
We always ignore the `clippy::struct_excessive_bools` rule and formerly
annotated this at the function level. This PR specifies the allow in
`workspace.lints.clippy` in `Cargo.toml`.
## Summary
Simplify the Docker image build process to leverage Depot container
builders for faster layer caching and native multi-platform image
builds. The combo of the two removes the need to save cache to
registries and do complex merge operations across GHA runners to get a
multi-platform image.
## Test Plan
UV team will need to add a trust relationship in Depot so that the
container builds can authenticate and run. This can be done following
these docs:
https://depot.dev/docs/cli/authentication#adding-a-trust-relationship-for-github-actions.
Once that is done, this should just work as before, but without all of
the extra work around manifests. We should double that all of the
tagging still makes sense for you all, as some bits of that were
unclear.
Additional context in this draft PR:
https://github.com/astral-sh/uv/pull/9156
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
I only just realized that we can get backtraces for crashes with
`RUST_BACKTRACE: 1`, even non-panics
(https://github.com/astral-sh/uv/pull/14079). This is much better than
trying to analyze crash dumps.
We've gotten away without this file for a while. In particular, we
explicitly use its default settings.
However, this is occasionally problematic in certain contexts where
`rustfmt` is invoked directly. Or in contexts where the Rust Edition is
otherwise not specified. At least, this happens when using the Rust vim
plugin. When an edition isn't explicitly specified, it defaults back to
the 2015 edition.
I think that there aren't a lot of rustfmt changes, and so we've been
able to get away with this for a while. But it looks like something in
the 2024 edition changes how imports are ordered. So to make it explicit
that we want to use the 2024 edition of rustfmt, we opt into it.
This is analogous to a change made to the Ruff repository somewhat
recently: https://github.com/astral-sh/ruff/pull/18197
Using a companion change in the middleware
(https://github.com/TrueLayer/reqwest-middleware/pull/235, forked&tagged
pending review), we can check and show retries for HTTP status core
errors, to consistently report retries again.
We fix two cases:
* Show retries for status code errors for cache client requests
* Show retries for status code errors for Python download requests
Not handled:
* Show previous retries when a distribution download fails mid-streaming
* Perform retries when a distribution download fails mid-streaming
* Show previous retries when a Python download fails mid-streaming
* Perform retries when a Python download fails mid-streaming
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
|
[acj/freebsd-firecracker-action](https://redirect.github.com/acj/freebsd-firecracker-action)
| action | minor | `v0.4.2` -> `v0.5.0` |
---
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<details>
<summary>acj/freebsd-firecracker-action
(acj/freebsd-firecracker-action)</summary>
###
[`v0.5.0`](https://redirect.github.com/acj/freebsd-firecracker-action/releases/tag/v0.5.0)
[Compare
Source](https://redirect.github.com/acj/freebsd-firecracker-action/compare/v0.4.2...v0.5.0)
Changes:
- Add `disk-size` option to control the size of the VM's disk and root
filesystem
- Retired obsolete workaround that disabled TCP segmentation offload
(TSO)
</details>
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This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [which](https://redirect.github.com/harryfei/which-rs) |
workspace.dependencies | major | `7.0.0` -> `8.0.0` |
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<details>
<summary>harryfei/which-rs (which)</summary>
###
[`v8.0.0`](https://redirect.github.com/harryfei/which-rs/blob/HEAD/CHANGELOG.md#800)
[Compare
Source](https://redirect.github.com/harryfei/which-rs/compare/7.0.3...8.0.0)
- Add new `Sys` trait to allow abstracting over the underlying
filesystem. Particularly useful for `wasm32-unknown-unknown` targets.
Thanks [@​dsherret](https://redirect.github.com/dsherret) for this
contribution to which!
- Add more debug level tracing for otherwise silent I/O errors.
- Call the `NonFatalHandler` in more places to catch previously ignored
I/O errors.
- Remove use of the `either` dependency.
</details>
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(or legacy tool.uv.workspace).
This cleaves out a dedicated SourcedDependencyGroups type based on
RequiresDist but with only the DependencyGroup handling implemented.
This allows `uv pip` to read `dependency-groups` from pyproject.tomls
that only have that table defined, per PEP 735, and as implemented by
`pip`.
However we want our implementation to respect various uv features when
they're available:
* `tool.uv.sources`
* `tool.uv.index`
* `tool.uv.dependency-groups.mygroup.requires-python` (#13735)
As such we want to opportunistically detect "as much as possible" while
doing as little as possible when things are missing. The issue with the
old RequiresDist path was that it fundamentally wanted to build the
package, and if `[project]` was missing it would try to desperately run
setuptools on the pyproject.toml to try to find metadata and make a hash
of things.
At the same time, the old code also put in a lot of effort to try to
pretend that `uv pip` dependency-groups worked like `uv`
dependency-groups with defaults and non-only semantics, only to separate
them back out again. By explicitly separating them out, we confidently
get the expected behaviour.
Note that dependency-group support is still included in RequiresDist, as
some `uv` paths still use it. It's unclear to me if those paths want
this same treatment -- for now I conclude no.
Fixes#13138
This allows you to specify requires-python on individual dependency-groups,
with the intended usecase being "oh my dev-dependencies have a higher
requires-python than my actual project".
This includes a large driveby move of the RequiresPython type to
uv-distribution-types to allow us to generate the appropriate markers at
this point in the code. It also migrates RequiresPython from
pubgrub::Range to version_ranges::Ranges, and makes several pub(crate)
items pub, as it's no longer defined in uv_resolver.
Fixes#11606
This brings in https://github.com/BurntSushi/jiff/pull/385, which makes
cold resolves about 10% faster. Or, stated differently, as fast as they
were a few weeks ago before the perf regression introduced by
`jiff 0.2.14`.
In the case where we have platform information in a Python request, we
should filter managed Python distributions by it prior to querying them.
Closes https://github.com/astral-sh/uv/issues/13935
---------
Co-authored-by: Aria Desires <aria.desires@gmail.com>
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [hyper-util](https://hyper.rs)
([source](https://redirect.github.com/hyperium/hyper-util)) |
dev-dependencies | patch | `0.1.12` -> `0.1.14` |
---
> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.
---
### Release Notes
<details>
<summary>hyperium/hyper-util (hyper-util)</summary>
###
[`v0.1.14`](https://redirect.github.com/hyperium/hyper-util/blob/HEAD/CHANGELOG.md#0114-2025-06-04)
[Compare
Source](https://redirect.github.com/hyperium/hyper-util/compare/v0.1.13...v0.1.14)
- Fix `HttpConnector` to defer address family order to resolver sort
order.
- Fix `proxy::Matcher` to find HTTPS system proxies on Windows.
###
[`v0.1.13`](https://redirect.github.com/hyperium/hyper-util/blob/HEAD/CHANGELOG.md#0113-2025-05-27)
[Compare
Source](https://redirect.github.com/hyperium/hyper-util/compare/v0.1.12...v0.1.13)
- Fix `HttpConnector` to always prefer IPv6 addresses first, if happy
eyeballs is enabled.
- Fix `legacy::Client` to return better errors if available on the
connection.
</details>
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Often, HTTP requests don't fail due to server errors, but from spurious
network errors such as connection resets. reqwest surfaces these as
`io::Error`, and we have to handle their retrying separately.
Companion PR: https://github.com/LukeMathWalker/wiremock-rs/pull/159
Unlike regular packages, specifying all `__init__.py` directories for a
namespace package would be very verbose There is e.g.
https://github.com/python-poetry/poetry/tree/main/src/poetry, which has
18 modules, or https://github.com/googleapis/api-common-protos which is
inconsistently nested. For both the Google Cloud SDK, there are both
packages with a single module and those with complex structures, with
many having multiple modules due to versioning through `<module>_v1`
versioning. The Azure SDK seems to use one module per package (it's not
explicitly documented but seems to follow from the process in
https://azure.github.io/azure-sdk/python_design.html#azure-sdk-distribution-packages
and
ccb0e03a3d/doc/dev/packaging.md).
For simplicity with complex projects, we add a `namespace = true` switch
which disabled checking for an `__init__.py`. We only check that there's
no `<module_root>/<module_name>/__init__.py` and otherwise add the whole
`<module_root>/<module_name>` folder. This comes at the cost of
`namespace = true` effectively creating an opt-out from our usual checks
that allows creating an almost entirely arbitrary package.
For simple projects with only a single module, the module name can be
dotted to point to the target module, so the build still gets checked:
```toml
[tool.uv.build-backend]
module-name = "poetry.core"
```
## Alternatives
### Declare all packages
We could make `module-name` a list and allow or require declaring all
packages:
```toml
[tool.uv.build-backend]
module-name = ["cloud_sdk.service.storage", "cloud_sdk.service.storage_v1", "cloud_sdk.billing.storage"]
```
Or for Poetry:
```toml
[tool.uv.build-backend]
module-name = [
"poetry.config",
"poetry.console",
"poetry.inspection",
"poetry.installation",
"poetry.json",
"poetry.layouts",
"poetry.masonry",
"poetry.mixology",
"poetry.packages",
"poetry.plugins",
"poetry.publishing",
"poetry.puzzle",
"poetry.pyproject",
"poetry.repositories",
"poetry.toml",
"poetry.utils",
"poetry.vcs",
"poetry.version"
]
```
### Support multiple namespaces
We could also allow namespace packages with multiple root level module:
```toml
[tool.uv.build-backend]
module-name = ["cloud_sdk.my_ext", "local_sdk.my_ext"]
```
For lack of use cases, we delegate this to creating a workspace with one
package per module.
## Implementation
Due to the more complex options for the module name, I'm moving
verification on deserialization later, dropping the source span we'd get
from serde. We also don't show similarly named directories anymore.
---------
Co-authored-by: Andrew Gallant <andrew@astral.sh>
Investigating #13744
I tried reproducing here by running the test in a loop, but could not. I
presume it's an interaction with other tests.
This drops the snapshot, but I think it's worth it to try to examine the
flake?
Use TTY detection to determine when we should forward SIGINT instead of
counting signals, which can lead to various problems where multiple
SIGINTs are sent to a child after the first signal. Counting does not
make sense in interactive situations that do not exit on interrupt,
e.g., the Python REPL.
Closes https://github.com/astral-sh/uv/issues/13919
Closes https://github.com/astral-sh/uv/issues/12108
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## Summary
I follow the advices from the IDE spell checker and grammar checker, fix
some typos, and improve the docs.
As another follow-up in the vein of
https://github.com/astral-sh/uv/pull/13944, I noticed `uv python pin`
doesn't download Python versions, which is a bit weird because we'll
warn it's not found.
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Build riscv64 binary so it can get released in the GitHub Releases,
which is used by many high-level apps.
A copy-paste from linux-s390x, with only target and arch changed.
maturin-action added riscv64 support in v1.48.0, this PR also bumps it
to the latest version, v1.48.1.
## Test Plan
<!-- How was it tested? -->
Let CI test itself :P
Already tested in [my
fork](4004817230)
See https://github.com/astral-sh/uv/issues/13935#issuecomment-2957300516
where we fail to write a pin file because we encounter an unusable
interpreter. This is actually a special case where `MissingPython` is
not raised because we want to show why we failed to find a usable
interpreter, which is useful in commands where you _need_ an interpreter
to use, but here we don't actually need it. Here, we just log the
failure and move on.
Related https://github.com/astral-sh/uv/pull/13936
Add basic tests for error messages on retryable network errors.
This test mod is intended to grow to ensure that we handle retryable
errors correctly and that we show the appropriate error message if we
failed after retrying.
The starter tests show some common cases we've seen download errors in:
simple and find links indexes, file downloads and Python installs.
For `io::Error` fault injection to test the reqwest `Err` path besides
the HTTP status code `Ok` path, see
https://github.com/LukeMathWalker/wiremock-rs/issues/149.
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
|
[acj/freebsd-firecracker-action](https://redirect.github.com/acj/freebsd-firecracker-action)
| action | patch | `v0.4.1` -> `v0.4.2` |
---
> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.
---
### Release Notes
<details>
<summary>acj/freebsd-firecracker-action
(acj/freebsd-firecracker-action)</summary>
###
[`v0.4.2`](https://redirect.github.com/acj/freebsd-firecracker-action/releases/tag/v0.4.2)
[Compare
Source](https://redirect.github.com/acj/freebsd-firecracker-action/compare/v0.4.1...v0.4.2)
[Firecracker
1.12.0](https://redirect.github.com/firecracker-microvm/firecracker/releases/tag/v1.12.0)
[FreeBSD 14.3-RELEASE](https://www.freebsd.org/releases/14.3R/relnotes/)
</details>
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As per #13874, passing a relative URL like `test` to `--index` for `uv
add` causes unexpected behavior if the directory does not exist. The
non-existent index is effectively ignored and uv falls back to PyPI. If
a package is found there, the spurious index is then written to
`pyproject.toml`. This doesn't happen for `--default-index` since
resolution will fail without fallback to PyPI.
This PR adds a validation step for indexes provided on the command line.
If a directory does not exist, uv will fail with an error.
Closes#13874
For the case where there was no matching wheel on sync, we previously
added a note about which wheels are available vs. on which platform you
are on. We extend this error message to link directly towards
`tool.uv.required-environments`, which otherwise has a discovery
problem.
On Linux (Setting `tool.uv.required-environments` doesn't help here
either, but it's a clear example):
```
[project]
name = "debug"
version = "0.1.0"
requires-python = "==3.10.*"
dependencies = ["tensorflow-macos>=2.13.1"]
```
```
Resolved 41 packages in 24ms
error: Distribution `tensorflow-macos==2.16.2 @ registry+https://pypi.org/simple` can't be installed because it doesn't have a source distribution or wheel for the current platform
hint: You're on Linux (`manylinux_2_39_x86_64`), but there are no wheels for the current platform, consider configuring `tool.uv.required-environments`.
hint: `tensorflow-macos` (v2.16.2) only has wheels for the following platform: `macosx_12_0_arm64`.
```
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
Users are not (yet) properly familiar with the concept of universal
resolution and its implication that we need to resolve for all possible
platforms and Python versions. Some projects only target a specific
platform or Python version, and users experience resolution errors due
to failures for other platforms. Indicated by the number of questions we
get about it, `tool.uv.environments` for restricting environments is not
well discoverable.
We add a special hint when resolution failed on a fork disjoint with the
current environment, hinting the user to constrain `requires-python` and
`tool.uv.environments` respectively.
The hint has false positives for cases where the resolution failed on a
different platform, but equally fails on the current platform, in cases
where the non-current fork was tried earlier. Given that conflicts can
be based on `requires-python`, afaik we can't parse whether the current
platform would also be affected from the derivation tree.
Two cases not covered by this are build errors as well as install errors
that need `tool.uv.required-environments`.
- Define all list elements using `-`: it used to be a mix of `*` and
`-`. `-` is what Prettier linter formats it to by default.
- Removed unnecessary blank line between 2 list elements. Other elements
were stitched together without blank lines in between.
- Only the first list element started in sentence case (capital letter
first) - I made all start like so.
Surprisingly, we weren't locking during `uv sync` so far, so running `uv
sync` in parallel could cause errors in filesystem races.
I've also added locks to `uv add` and `uv remove` which concurrently
modify `pyproject.toml`. These locks only apply after we determined the
interpreter, so they don't actually prevent computing the same thing
twice when running `uv add` in parallel.
All other subcommands that I checked were already locking (with no claim
to exhaustiveness)
Fixes#12751
# Test Plan
I don't have CI-sized reproducer for this.
```toml
[project]
name = "debug"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = [
"boto3>=1.38.30",
"fastapi>=0.115.12",
"numba>=0.61.2",
"polars>=1.30.0",
"protobuf>=6.31.1",
"pyarrow>=20.0.0",
"pydantic>=2.11.5",
"requests>=2.32.3",
"urllib3>=2.4.0",
"scikit-learn>=1.6.1",
"jupyter>=1.1.1",
]
[build-system]
requires = ["hatchling"]
build-backend = "hatchling.build"
```
```
rm -rf .venv && parallel -n0 "uv sync -q" ::: {1..10}
```
## Summary
I think `GlobDirFilter::match_directory` should return `true` if it
failed to construct a DFA
to force a full directory traversal. Returning `false` means that the
build backend excludes all files which
is unlikely what we want in that situation.
## Summary
When trying out `uv export --no-editable --format pylock.toml` the
exported contents would still retain `editable = true` regardless.
## Test Plan
Added additional test. Tested locally on few projects where I was
previously using `uv export --no-editable --format requirements.txt` to
ensure the output aligns.
Extends https://github.com/astral-sh/uv/pull/13841 — I'll drop that
commit later after that pull request merges but it's small.
I find the split into a "Configuration" section awkward and don't think
it's helping us. Everything moved into the "Concepts" section, except
the "Environment variables" page which definitely belongs in the
reference and the "Installer" page which is fairly niche and seems
better in the reference.
Before / After
<img
src="https://github.com/user-attachments/assets/80d8304b-17da-4900-a5f4-c3ccac96fcc5"
width="400">
The motivation here being a reduction in the length of the navigation. I
don't think we did this in the first place because we didn't have the
capability to do another nested level, but now we're doing that for
Projects.
## Summary
Switch the `sync_dry_run` test to use Python 3.9 instead of Python 3.8.
I didn't previously catch it since it was marked as `python_managed`.
## Test Plan
`cargo test --no-default-features --features git,pypi,python` without
Python 3.8 installed.
## Summary
Modify `requirements_txt_ssh_git_username` test to pass `-o
UserKnownHostsFile=/dev/null` to OpenSSH, in order to prevent it from
trying to write into the known-hosts in user's home directory. To add
insult to the injury, OpenSSH ignores `HOME` and writes into the actual
home when it is explicitly overridden for the purpose of testing.
## Test Plan
`cargo test --no-default-features --features=git,pypi,python` in an
environment where the user can't write to `pw_home` (but can to
`${HOME}`). Previously the test would fail:
```
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Snapshot Summary ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Snapshot: requirements_txt_ssh_git_username
Source: crates/uv/tests/it/export.rs:1252
────────────────────────────────────────────────────────────────────────────────
Expression: snapshot
────────────────────────────────────────────────────────────────────────────────
-old snapshot
+new results
────────────┬───────────────────────────────────────────────────────────────────
7 7 │ ├─▶ failed to clone into: [PATH]
8 8 │ ├─▶ failed to fetch branch, tag, or commit `d780faf0ac91257d4d5a4f0c5a0e4509608c0071`
9 9 │ ╰─▶ process didn't exit successfully: [GIT_COMMAND_ERROR]
10 10 │ --- stderr
11 │+ Could not create directory '/var/lib/portage/home/.ssh' (Permission denied).
12 │+ Failed to add the host to the list of known hosts (/var/lib/portage/home/.ssh/known_hosts).
11 13 │ Load key "[TEMP_DIR]/fake_deploy_key": [ERROR]
12 14 │ git@github.com: Permission denied (publickey).
13 15 │ fatal: Could not read from remote repository.
14 16 │
────────────┴───────────────────────────────────────────────────────────────────
```
---------
Co-authored-by: konstin <konstin@mailbox.org>
## Summary
When missing an operator for version parsing, it would give an error
that was hard to know how to fix if you were not familiar with version
specifiers / PEP-440:
```
Unexpected end of version specifier, expected operator
```
Now, it will attempt to provide a more useful hint if it can parse the
version from the remaining scanner:
```
Unexpected end of version specifier, expected operator (did you mean "==3.12"?)
```
## Test Plan
Unit tests in `version_specifier.rs` were added/updated for the
following cases:
- `test_parse_specifier_missing_operator_error`
- `test_parse_specifier_missing_operator_invalid_version_error`
- `test_invalid_word`
- `test_invalid_specifier`
- `error_message_version_specifiers_parse_error`
A test in `edit.rs` for failing to parse the `pyproject.toml` when using
`add` was also included to match the request in the original issue:
- `add_invalid_requires_python`
I didn't add cases where no version specifier is provided because it
seemed like it doesn't get to the point of parsing in that case, so it
should not happen.
## Reference
Fixes#13126
---------
Co-authored-by: Jacob Woliver <jacob@jmw.sh>
Co-authored-by: konstin <konstin@mailbox.org>
This includes some initial work on adding Pyodide support (issue
#12729). It is enough to get
```
uv pip compile -p /path/to/pyodide --extra-index-url file:/path/to/simple-index
```
to work which should already be quite useful.
## Test Plan
* added a unit test for `pyodide_platform`
* integration tested manually with:
```
cargo run pip install \
-p /home/rchatham/Documents/programming/tmp/pyodide-venv-test/.pyodide-xbuildenv-0.29.3/0.27.4/xbuildenv/pyodide-root/dist/python \
--extra-index-url file:/home/rchatham/Documents/programming/tmp/pyodide-venv-test/.pyodide-xbuildenv-0.29.3/0.27.4/xbuildenv/pyodide-root/package_index \
--index-strategy unsafe-best-match --target blah --no-build \
numpy pydantic
```
---------
Co-authored-by: konsti <konstin@mailbox.org>
Co-authored-by: Zanie Blue <contact@zanie.dev>
The **[uv build backend](https://docs.astral.sh/uv/concepts/build-backend/) is now stable**, and considered ready for production use.
The uv build backend is a great choice for pure Python projects. It has reasonable defaults, with the goal of requiring zero configuration for most users, but provides flexible configuration to accommodate most Python project structures. It integrates tightly with uv, to improve messaging and user experience. It validates project metadata and structures, preventing common mistakes. And, finally, it's very fast — `uv sync` on a new project (from `uv init`) is 10-30x faster than with other build backends.
To use uv as a build backend in an existing project, add `uv_build` to the `[build-system]` section in your `pyproject.toml`:
```toml
[build-system]
requires = ["uv_build>=0.7.19,<0.8.0"]
build-backend = "uv_build"
```
In a future release, it will replace `hatchling` as the default in `uv init`. As before, uv will remain compatible with all standards-compliant build backends.
### Python
- Add PGO distributions of Python for aarch64 Linux, which are more optimized for better performance
See the [python-build-standalone release](https://github.com/astral-sh/python-build-standalone/releases/tag/20250702) for more details.
### Enhancements
- Ignore Python patch version for `--universal` pip compile ([#14405](https://github.com/astral-sh/uv/pull/14405))
- Update the tilde version specifier warning to include more context ([#14335](https://github.com/astral-sh/uv/pull/14335))
- Clarify behavior and hint on tool install when no executables are available ([#14423](https://github.com/astral-sh/uv/pull/14423))
### Bug fixes
- Make project and interpreter lock acquisition non-fatal ([#14404](https://github.com/astral-sh/uv/pull/14404))
- Includes `sys.prefix` in cached environment keys to avoid `--with` collisions across projects ([#14403](https://github.com/astral-sh/uv/pull/14403))
### Documentation
- Add a migration guide from pip to uv projects ([#12382](https://github.com/astral-sh/uv/pull/12382))
## 0.7.18
### Python
- Added arm64 Windows Python 3.11, 3.12, 3.13, and 3.14
These are not downloaded by default, since x86-64 Python has broader ecosystem support on Windows.
However, they can be requested with `cpython-<version>-windows-aarch64`.
See the [python-build-standalone release](https://github.com/astral-sh/python-build-standalone/releases/tag/20250630) for more details.
### Enhancements
- Keep track of retries in `ManagedPythonDownload::fetch_with_retry` ([#14378](https://github.com/astral-sh/uv/pull/14378))
- Reuse build (virtual) environments across resolution and installation ([#14338](https://github.com/astral-sh/uv/pull/14338))
- Improve trace message for cached Python interpreter query ([#14328](https://github.com/astral-sh/uv/pull/14328))
- Use parsed URLs for conflicting URL error message ([#14380](https://github.com/astral-sh/uv/pull/14380))
### Preview features
- Ignore invalid build backend settings when not building ([#14372](https://github.com/astral-sh/uv/pull/14372))
### Bug fixes
- Fix equals-star and tilde-equals with `python_version` and `python_full_version` ([#14271](https://github.com/astral-sh/uv/pull/14271))
- Include the canonical path in the interpreter query cache key ([#14331](https://github.com/astral-sh/uv/pull/14331))
- Only drop build directories on program exit ([#14304](https://github.com/astral-sh/uv/pull/14304))
- Error instead of panic on conflict between global and subcommand flags ([#14368](https://github.com/astral-sh/uv/pull/14368))
- Consistently normalize trailing slashes on URLs with no path segments ([#14349](https://github.com/astral-sh/uv/pull/14349))
### Documentation
- Add instructions for publishing to JFrog's Artifactory ([#14253](https://github.com/astral-sh/uv/pull/14253))
- Edits to the build backend documentation ([#14376](https://github.com/astral-sh/uv/pull/14376))
## 0.7.17
### Bug fixes
- Apply build constraints when resolving `--with` dependencies ([#14340](https://github.com/astral-sh/uv/pull/14340))
- Drop trailing slashes when converting index URL from URL ([#14346](https://github.com/astral-sh/uv/pull/14346))
- Ignore `UV_PYTHON_CACHE_DIR` when empty ([#14336](https://github.com/astral-sh/uv/pull/14336))
- Fix error message ordering for `pyvenv.cfg` version conflict ([#14329](https://github.com/astral-sh/uv/pull/14329))
"description": "The URL of an index to use for fetching packages (e.g., `https://pypi.org/simple`), or a local path."
})
}
}
@ -140,6 +138,30 @@ impl IndexUrl {
Cow::Owned(url)
}
}
/// Warn user if the given URL was provided as an ambiguous relative path.
///
/// This is a temporary warning. Ambiguous values will not be
/// accepted in the future.
pubfnwarn_on_disambiguated_relative_path(&self){
letSelf::Path(verbatim_url)=&selfelse{
return;
};
ifletSome(path)=verbatim_url.given(){
if!is_disambiguated_path(path){
ifcfg!(windows){
warn_user!(
"Relative paths passed to `--index` or `--default-index` should be disambiguated from index names (use `.\\{path}` or `./{path}`). Support for ambiguous values will be removed in the future"
);
}else{
warn_user!(
"Relative paths passed to `--index` or `--default-index` should be disambiguated from index names (use `./{path}`). Support for ambiguous values will be removed in the future"
);
}
}
}
}
}
implDisplayforIndexUrl{
@ -162,6 +184,28 @@ impl Verbatim for IndexUrl {
}
}
/// Checks if a path is disambiguated.
///
/// Disambiguated paths are absolute paths, paths with valid schemes,
/// and paths starting with "./" or "../" on Unix or ".\\", "..\\",
