feat: add allow prerelease flag

PyO3 · Mar 25, 2024 · a6eb99a · a6eb99a
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diff --git a/Changelog.md b/Changelog.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+* Add `--allow-prerelease` option to allow python prerelease interpreters in
+
 ## [1.5.1] - 2024-03-21
 
 * Fix usage of `--compatibility` when run as a PEP517 backend in [#1992](https://github.com/PyO3/maturin/pull/1992)

diff --git a/guide/src/distribution.md b/guide/src/distribution.md
@@ -86,32 +86,34 @@ Options:
       --compatibility [<compatibility>...]
           Control the platform tag on linux.
 
-          Options are `manylinux` tags (for example `manylinux2014`/`manylinux_2_24`) or `musllinux`
-          tags (for example `musllinux_1_2`) and `linux` for the native linux tag.
+          Options are `manylinux` tags (for example `manylinux2014`/`manylinux_2_24`) or `musllinux` tags (for
+          example `musllinux_1_2`) and `linux` for the native linux tag.
 
-          Note that `manylinux1` and `manylinux2010` is unsupported by the rust compiler. Wheels
-          with the native `linux` tag will be rejected by pypi, unless they are separately validated
-          by `auditwheel`.
+          Note that `manylinux1` and `manylinux2010` is unsupported by the rust compiler. Wheels with the native
+          `linux` tag will be rejected by pypi, unless they are separately validated by `auditwheel`.
 
           The default is the lowest compatible `manylinux` tag, or plain `linux` if nothing matched
 
           This option is ignored on all non-linux platforms
 
   -i, --interpreter [<INTERPRETER>...]
-          The python versions to build wheels for, given as the executables of interpreters such as
-          `python3.9` or `/usr/bin/python3.8`
+          The python versions to build wheels for, given as the executables of interpreters such as `python3.9` or
+          `/usr/bin/python3.8`
 
   -f, --find-interpreter
           Find interpreters from the host machine
 
+  -a, --allow-prereleases
+          Allow prerelease python version
+
   -b, --bindings <BINDINGS>
           Which kind of bindings to use
 
           [possible values: pyo3, pyo3-ffi, rust-cpython, cffi, uniffi, bin]
 
   -o, --out <OUT>
-          The directory to store the built wheels in. Defaults to a new "wheels" directory in the
-          project's target directory
+          The directory to store the built wheels in. Defaults to a new "wheels" directory in the project's target
+          directory
 
       --skip-auditwheel
           Don't check for manylinux compliance

diff --git a/src/build_options.rs b/src/build_options.rs
@@ -175,7 +175,8 @@ pub struct BuildOptions {
     #[arg(short = 'f', long, conflicts_with = "interpreter")]
     pub find_interpreter: bool,
 
-    #[arg(short, long)]
+    /// Allow prerelease python version
+    #[arg(long)]
     pub allow_prereleases: bool,
 
     /// Which kind of bindings to use.
@@ -568,8 +569,8 @@ impl BuildOptions {
                 let versions = requires_python.unwrap();
                 let has_pre_release = versions.iter().any(|v| v.any_prerelease());
                 if has_pre_release && !self.allow_prereleases {
-                    bail!("⚠️  Warning: python version is pre release, need pass flag --allow-prereleases");
-                }
+                    log::warn!("⚠️  Warning: python version is pre release, need pass flag --allow-prereleases");
+                }?
             }
 
             self.find_interpreters(