maturn develop install dependencies automatically

Changelog.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  * Change manylinux default version based on target arch by messense in [#424](https://github.com/PyO3/maturin/pull/424)
  * Support local path dependencies in source distribution (i.e. you can now package a workspace into an sdist)
  * Set a more reasonable LC_ID_DYLIB entry on macOS by messense [#433](https://github.com/PyO3/maturin/pull/433)
+ * maturn develop install dependencies automatically by messense [#443](https://github.com/PyO3/maturin/pull/443)
 
 ## 0.9.4 - 2021-02-18
 

src/develop.rs

@@ -5,9 +5,10 @@ use crate::Manylinux;
 use crate::PythonInterpreter;
 use crate::Target;
 use crate::{write_dist_info, BuildOptions};
-use anyhow::{anyhow, format_err, Context, Result};
+use anyhow::{anyhow, bail, format_err, Context, Result};
 use fs_err as fs;
 use std::path::Path;
+use std::process::Command;
 
 /// Installs a crate by compiling it and copying the shared library to site-packages.
 /// Also adds the dist-info directory to make sure pip and other tools detect the library
@@ -46,6 +47,28 @@ pub fn develop(
             anyhow!("Expected `python` to be a python interpreter inside a virtualenv ಠ_ಠ")
         })?;
 
+    // Install dependencies
+    if !build_context.metadata21.requires_dist.is_empty() {
+        let mut args = vec!["-m", "pip", "install"];
+        args.extend(
+            build_context
+                .metadata21
+                .requires_dist
+                .iter()
+                .map(|x| x.as_str()),
+        );
+        let mut pip_install = Command::new(&interpreter.executable)
+            .args(&args)
+            .spawn()
+            .context("Failed to run pip install")?;
+        let status = pip_install
+            .wait()
+            .expect("Failed to wait on pip install process");
+        if !status.success() {
+            bail!(r#"pip install finished with "{}""#, status,)
+        }
+    }
+
     let mut builder = PathWriter::venv(&target, &venv_dir, &build_context.bridge)?;
 
     let context = "Failed to build a native library through cargo";

test-crates/pyo3-mixed/Cargo.toml

@@ -14,6 +14,7 @@ classifier = [
     "Programming Language :: Python",
     "Programming Language :: Rust"
 ]
+requires-dist = ["boltons"]
 
 [dependencies]
 pyo3 = { version = "0.13.2", features = ["extension-module"] }

test-crates/pyo3-mixed/check_installed/check_installed.py

@@ -1,6 +1,9 @@
 #!/usr/bin/env python3
 
+from boltons.strutils import slugify
 import pyo3_mixed
 
 assert pyo3_mixed.get_42() == 42
+assert slugify("First post! Hi!!!!~1    ") == "first_post_hi_1"
+
 print("SUCCESS")

test-dockerfile.sh

@@ -47,7 +47,7 @@ fi
 
 docker run --rm -v $(pwd)/test-crates/pyo3-mixed:/io maturin build --no-sdist -i python3.8
 
-venv-docker/bin/pip install pyo3-mixed --no-index --find-links test-crates/pyo3-mixed/target/wheels/
+venv-docker/bin/pip install pyo3-mixed --find-links test-crates/pyo3-mixed/target/wheels/
 
 if [[ $(venv-docker/bin/python test-crates/pyo3-mixed/check_installed/check_installed.py) != 'SUCCESS' ]]; then
   exit 1