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Jack O'Connor 85358fe9c6 Keep track of retries in `ManagedPythonDownload::fetch_with_retry` 
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.
 		2025-07-01 09:52:19 -07:00
..
uv Fix equals-star and tilde-equals with `python_version` and `python_full_version` (#14271) 2025-07-01 17:48:48 +02:00
uv-auth Fix `Indexes::new` doc (#14293) 2025-06-26 20:40:40 +00:00
uv-bench Remove unnecessary codspeed deps (#14396) 2025-07-01 11:00:30 -05:00
uv-build Bump version to 0.7.17 (#14347) 2025-06-29 09:58:33 -04:00
uv-build-backend Allow symlinks in the build backend (#14212) 2025-06-25 07:44:22 +00:00
uv-build-frontend Only drop build directories on program exit (#14304) 2025-07-01 12:50:19 -04:00
uv-cache Reduce number of reference-checks for `uv cache clean` (#13669) 2025-05-26 21:43:24 -04:00
uv-cache-info Avoid allocations for default cache keys (#12063) 2025-03-17 19:59:32 -04:00
uv-cache-key Add `DisplaySafeUrl` newtype to prevent leaking of credentials by default (#13560) 2025-05-27 00:05:30 +02:00
uv-cli Require disambiguated relative paths for `--index` (#14152) 2025-06-25 10:02:06 +02:00
uv-client Respect URL-encoded credentials in redirect location (#14315) 2025-06-27 16:41:14 +02:00
uv-configuration Update schemars 1.0.0 (#13693) 2025-06-24 21:43:31 +02:00
uv-console Bump MSRV to 1.85 and Edition 2024 (#13516) 2025-05-18 19:38:43 -04:00
uv-dev Sync latest Python releases (#14381) 2025-07-01 03:44:18 +00:00
uv-dirs Bump MSRV to 1.85 and Edition 2024 (#13516) 2025-05-18 19:38:43 -04:00
uv-dispatch Only drop build directories on program exit (#14304) 2025-07-01 12:50:19 -04:00
uv-distribution Only drop build directories on program exit (#14304) 2025-07-01 12:50:19 -04:00
uv-distribution-filename Remove wheel filename-from URL conversion (#14223) 2025-06-23 14:26:14 -04:00
uv-distribution-types Fix equals-star and tilde-equals with `python_version` and `python_full_version` (#14271) 2025-07-01 17:48:48 +02:00
uv-extract Bump MSRV to 1.85 and Edition 2024 (#13516) 2025-05-18 19:38:43 -04:00
uv-fs Bump MSRV and `rust-toolchain` version (#14303) 2025-06-27 10:27:45 -04:00
uv-git Skip GitHub fast path when rate-limited (#13033) 2025-06-24 12:11:41 -07:00
uv-git-types make GitOid strict about parsing exactly 40 hex characters 2025-06-09 23:50:36 +00:00
uv-globfilter Change `GlobDirFilter` fallback to `true` (#13882) 2025-06-06 14:07:34 +02:00
uv-install-wheel Add data locations to logging (#13797) 2025-06-03 09:22:18 -05:00
uv-installer Add `DisplaySafeUrl` newtype to prevent leaking of credentials by default (#13560) 2025-05-27 00:05:30 +02:00
uv-macros Bump MSRV to 1.85 and Edition 2024 (#13516) 2025-05-18 19:38:43 -04:00
uv-metadata only warn if CRC appears to be missing (#12722) 2025-04-07 12:49:05 -05:00
uv-normalize Bump MSRV to 1.85 and Edition 2024 (#13516) 2025-05-18 19:38:43 -04:00
uv-once-map Bump MSRV to 1.84 (#12670) 2025-04-04 11:49:26 -04:00
uv-options-metadata Upgrade minimum Rust version to 1.83 (#9815) 2024-12-11 10:06:19 -06:00
uv-pep440 Fix equals-star and tilde-equals with `python_version` and `python_full_version` (#14271) 2025-07-01 17:48:48 +02:00
uv-pep508 Fix equals-star and tilde-equals with `python_version` and `python_full_version` (#14271) 2025-07-01 17:48:48 +02:00
uv-performance-memory-allocator Update Rust crate mimalloc to v0.1.47 (#14207) 2025-06-23 12:07:09 +02:00
uv-platform-tags Add Pyodide support (#12731) 2025-06-03 12:01:26 -05:00
uv-publish Add an `IntoIterator` for `FormMetadata` (#14351) 2025-06-29 15:07:07 -04:00
uv-pypi-types Fix equals-star and tilde-equals with `python_version` and `python_full_version` (#14271) 2025-07-01 17:48:48 +02:00
uv-python Keep track of retries in `ManagedPythonDownload::fetch_with_retry` 2025-07-01 09:52:19 -07:00
uv-redacted Avoid using path URL for workspace Git dependencies in `requirements.txt` (#14288) 2025-06-26 19:48:12 +00:00
uv-requirements Support reading dependency-groups from pyproject.tomls with no project (#13742) 2025-06-13 22:16:48 +00:00
uv-requirements-txt Fix equals-star and tilde-equals with `python_version` and `python_full_version` (#14271) 2025-07-01 17:48:48 +02:00
uv-resolver Use parsed URLs for conflicting URL error message (#14380) 2025-07-01 08:18:01 -04:00
uv-scripts handle an existing shebang in `uv init --script` (#14141) 2025-06-19 14:47:22 -07:00
uv-settings Update schemars 1.0.0 (#13693) 2025-06-24 21:43:31 +02:00
uv-shell Bump MSRV to 1.85 and Edition 2024 (#13516) 2025-05-18 19:38:43 -04:00
uv-small-str Update schemars 1.0.0 (#13693) 2025-06-24 21:43:31 +02:00
uv-state Bump MSRV to 1.85 and Edition 2024 (#13516) 2025-05-18 19:38:43 -04:00
uv-static move the test buckets dir into the canonicalized temp dir 2025-06-26 14:56:20 -07:00
uv-tool Support transparent Python patch version upgrades (#13954) 2025-06-20 16:17:13 +02:00
uv-torch Add auto-detection for AMD GPUs (#14176) 2025-06-21 15:21:06 +00:00
uv-trampoline Support transparent Python patch version upgrades (#13954) 2025-06-20 16:17:13 +02:00
uv-trampoline-builder Bump MSRV and `rust-toolchain` version (#14303) 2025-06-27 10:27:45 -04:00
uv-types Only drop build directories on program exit (#14304) 2025-07-01 12:50:19 -04:00
uv-version Bump version to 0.7.17 (#14347) 2025-06-29 09:58:33 -04:00
uv-virtualenv Add check for using minor version link when creating a venv on Windows (#14252) 2025-06-25 10:12:32 +02:00
uv-warnings Consistently use `Ordering::Relaxed` for standalone atomic use cases (#14190) 2025-06-24 12:30:26 -07:00
uv-workspace Ignore invalid build backend settings when not building (#14372) 2025-06-30 16:32:28 +02:00
README.md Link to Dependency specifiers instead of PEP 508 (#8411) 2024-10-21 14:43:38 -04:00

README.md

Crates

uv-bench

Functionality for benchmarking uv.

uv-cache-key

Generic functionality for caching paths, URLs, and other resources across platforms.

uv-distribution-filename

Parse built distribution (wheel) and source distribution (sdist) filenames to extract structured metadata.

uv-distribution-types

Abstractions for representing built distributions (wheels) and source distributions (sdists), and the sources from which they can be downloaded.

uv-install-wheel-rs

Install built distributions (wheels) into a virtual environment.

uv-once-map

A waitmap-like concurrent hash map for executing tasks exactly once.

uv-pep440-rs

Utilities for interacting with Python version numbers and specifiers.

uv-pep508-rs

Utilities for parsing and evaluating dependency specifiers, previously known as PEP 508.

uv-platform-tags

Functionality for parsing and inferring Python platform tags as per PEP 425.

uv-cli

Command-line interface for the uv package manager.

uv-build-frontend

A PEP 517-compatible build frontend for uv.

uv-cache

Functionality for caching Python packages and associated metadata.

uv-client

Client for interacting with PyPI-compatible HTTP APIs.

uv-dev

Development utilities for uv.

uv-dispatch

A centralized struct for resolving and building source distributions in isolated environments. Implements the traits defined in uv-types.

uv-distribution

Client for interacting with built distributions (wheels) and source distributions (sdists). Capable of fetching metadata, distribution contents, etc.

uv-extract

Utilities for extracting files from archives.

uv-fs

Utilities for interacting with the filesystem.

uv-git

Functionality for interacting with Git repositories.

uv-installer

Functionality for installing Python packages into a virtual environment.

uv-python

Functionality for detecting and leveraging the current Python interpreter.

uv-normalize

Normalize package and extra names as per Python specifications.

uv-requirements

Utilities for reading package requirements from pyproject.toml and requirements.txt files.

uv-resolver

Functionality for resolving Python packages and their dependencies.

uv-shell

Utilities for detecting and manipulating shell environments.

uv-types

Shared traits for uv, to avoid circular dependencies.

uv-pypi-types

General-purpose type definitions for types used in PyPI-compatible APIs.

uv-virtualenv

A venv replacement to create virtual environments in Rust.

uv-warnings

User-facing warnings for uv.

uv-workspace

Workspace abstractions for uv.

uv-requirements-txt

Functionality for parsing requirements.txt files.