e.g.
```
❯ cargo run -- venv --no-system
Blocking waiting for file lock on build directory
Compiling uv v0.2.34 (/Users/zb/workspace/uv/crates/uv)
Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.85s
Running `target/debug/uv venv --no-system`
warning: The `--no-system` flag has no effect, a system Python interpreter is always used in `uv venv`
Using Python 3.12.4 interpreter at: /opt/homebrew/opt/python@3.12/bin/python3.12
Creating virtualenv at: .venv
Activate with: source .venv/bin/activate
❯ cargo run -- venv --system
Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
Running `target/debug/uv venv --system`
warning: The `--system` flag has no effect, a system Python interpreter is always used in `uv venv`
Using Python 3.12.4 interpreter at: /opt/homebrew/opt/python@3.12/bin/python3.12
Creating virtualenv at: .venv
Activate with: source .venv/bin/activate
```
## Summary
This _used_ to be true but we now require fetching metadata for all
distributions even with `--no-deps` since, e.g., we validate that any
declared extras exist.
## Summary
Initially, we showed _all_ resolver and installer output in `uv run` and
`uv tool run`, since it was way too much for workhorse commands. Then,
we moved to showing _no_ output by default, which was way too little --
you had no idea why anything was happening, and commands appeared to
hang.
This PR adds a more nuanced middle-ground. With `--verbose`, we continue
to show everything. But by default, in `uv run` and `uv tool run`...
- During resolution, we show any "Building" and "Build" messages, if you
need to build a source distribution. But we don't show any other output.
(This _could_ be too little for expensive resolutions; we may want to
show a spinner.)
- If there are no changes to be made after resolving, we don't show any
other output.
- If we have to install, we show the progress bars for downloads (which
disappear on completion) followed by a single summary line stating the
number of packages installed.
This feels pretty good, in my limited testing. When everything is built
/ cached, you don't get _any_ additional output. When there's work to
do, you have a sense for what's happening, and we leave you with a
single summary line ("Installed X packages") at the end.
Closes https://github.com/astral-sh/uv/issues/5758.
## Test Plan
Notice that the first `tool run` ends with an install line; the second
shows no additional output:
If you run `uv run` in a package for the first time, we _do_ tell you
that we're building / built it:
But on the second run, there's no output:
If you add a `--with`, we'll show you all the installer progress bars
(which disappear once they're done), and then a single summary line:
Currently, the entry for a package+version+source table is called
`distribution`. That is incorrect, the `sdist` and `wheel` fields inside
of that table are distributions, the table itself is for a package. We
also align ourselves closer with PEP 751.
I went through `lock.rs` and renamed all occurrences of "distribution"
that actually referred to a "package".
This change invalidates all existing lockfiles.
Bikeshedding: Do we call it `package` or `packages`? See also
https://github.com/python/peps/pull/3877
`package` is nice because it looks like a header:
```toml
[[package]]
name = "anyio"
version = "4.3.0"
source = { registry = "https://pypi.org/simple" }
dependencies = [
{ name = "idna" },
{ name = "sniffio" },
]
sdist = { url = "3970183622/anyio-4.3.0.tar.gz", hash = "sha256:f75253795a87df48568485fd18cdd2a3fa5c4f7c5be8e5e36637733fce06fed6", size = 159642 }
wheels = [
{ url = "2f20c40b45/anyio-4.3.0-py3-none-any.whl", hash = "sha256:048e05d0f6caeed70d731f3db756d35dcc1f35747c8c403364a8332c630441b8", size = 85584 },
]
```
`packages` is nice because the field is not a single entry, but a list.
2/3 for https://github.com/astral-sh/uv/issues/4893
---------
Co-authored-by: Charlie Marsh <charlie.r.marsh@gmail.com>
## Summary
In the same spirit as #5745, release builds could be a bit slightly more
size efficient by enabling LTO, which removes dead code (either in uv
through fully inlined functions or the libraries it depends on). Also
has the side-effect (more what LTO was created for) of slighly speeding
up uv.
In this case, I have measured a 5MB size decrease!.
Unfortunately, this change also comes with the disadvantage of more than
doubling the build time of a clean build on my machine (see "Test
Plan"). I have opened this pull request to show my findings and suggest
this as an option.
*I have also started looking into what effects optimizing for size
rather than speed could have, but that calls for another pr*
## Test Plan
Comparing the binary size before and after (starting off in just a
simple clone of the repository)
System info:
```
CPU: AMD Ryzen 7 3700X (16) @ 3.600GHz
Memory: 32GB @ 3200 MT/s
Uname: Linux galaxy 6.6.44-1-MANJARO #1 SMP PREEMPT_DYNAMIC Sat Aug 3 10:09:33 UTC 2024 x86_64 GNU/Linux
```
Before:
```
$ cargo build --release
<snip>
Finished `release` profile [optimized] target(s) in 1m 29s
$ du target/release/uv -h
30M target/release/uv
```
After:
```
$ cargo build --release
<snip>
Finished `release` profile [optimized] target(s) in 3m 43s
$ du target/release/uv -h
25M target/release/uv
```
## Summary
Whenever we call `resolve`, we immediately call `fetch` after. And in
some cases `resolve` actually calls `fetch` internally. It seems a lot
simpler to just merge these into one method that returns a `Fetch`
(which itself contains the fully-resolved URL).
Closes https://github.com/astral-sh/uv/issues/5876.
There are three options that determine resolver behavior:
* resolution mode
* prerelease mode
* exclude newer
They are different from the other top level options: If they mismatch,
we recreate the resolution. To distinguish them from the rest of the
lockfile, we group them under an `[options]` header.
1/3 for #4893
From 8 to 16 cores, 32 to 64 GB ram. Testing on Windows first because
it's the bottleneck.
Previously tested in #2515 to no effect, maybe better now that we have a
development drive?
Following #5869, the documentation has some less-than-helpful
suggestions to use `uv help python` for details — we should link to the
`uv python` section instead.
## Summary
We were dropping the query and fragment in the wrong place, so the URLs
didn't match up after resolving from an existing lockfile.
Closes https://github.com/astral-sh/uv/issues/5851.
## Summary
Very subtle bug. The scenario is as follows:
- We resolve: `elmer-circuitbuilder = { git =
"https://github.com/ElmerCSC/elmer_circuitbuilder.git" }`
- The user then changes the request to: `elmer-circuitbuilder = { git =
"https://github.com/ElmerCSC/elmer_circuitbuilder.git", rev =
"44d2f4b19d6837ea990c16f494bdf7543d57483d" }`
- When we go to re-lock, we note two facts:
1. The "default branch" resolves to
`44d2f4b19d6837ea990c16f494bdf7543d57483d`.
2. The metadata for `44d2f4b19d6837ea990c16f494bdf7543d57483d` is
(whatever we grab from the lockfile).
- In the resolver, we then ask for the metadata for
`44d2f4b19d6837ea990c16f494bdf7543d57483d`. It's already in the cache,
so we return it; thus, we never add the
`44d2f4b19d6837ea990c16f494bdf7543d57483d` ->
`44d2f4b19d6837ea990c16f494bdf7543d57483d` mapping to the Git resolver,
because we never have to resolve it.
This would apply for any case in which a requested tag or branch was
replaced by its precise SHA. Replacing with a different commit is fine.
It only applied to `tool.uv.sources`, and not PEP 508 URLs, because the
underlying issue is that we aren't consistent about "automatically"
extracting the precise commit from a Git reference.
Closes https://github.com/astral-sh/uv/issues/5860.
## Summary
This is an experimental PR to replace more unsafe calls with more rust
while still trying to keep the binary size small enough. These changes
roughly increase the size of the trampolines to about 40kb~. This is a
alternate PR to https://github.com/astral-sh/uv/pull/5751.
The primary changes here include
* Switch to use rust path components for ease of path management
* Leverage `std::process::exit` for process exit and cleanup
* Use `std::io::Error::last_os_error` for IO Errors to remove
`FormatMessage` complexity
* Use `std::env::current_exe` to get the current executable instead of
`GetModuleFileNameA`
## Test Plan
Added one more existing test case to trampoline tests.
Still need to verify dunce::canonicalize is desired or not on
find_python_exe.
---------
Co-authored-by: konstin <konstin@mailbox.org>
