Use UnusableDependencies for URL dependency conflicts (#425)

Extends #424 with support for URL dependency incompatibilities.

Requires changes to `miette` to prevent URLs from being word wrapped;
accepted upstream in zkat/miette#321

Cargo.toml

@@ -43,7 +43,8 @@ indicatif = { version = "0.17.7" }
 indoc = { version = "2.0.4" }
 itertools = { version = "0.11.0" }
 mailparse = { version = "0.14.0" }
-miette = { version = "5.10.0" }
+# For additional textwrap options: https://github.com/zkat/miette/pull/321
+miette =  { git = "https://github.com/zkat/miette.git", rev = "fd77257cee0f5d03aa7dccb4ba8cbaa40c1a88c6" }
 once_cell = { version = "1.18.0" }
 petgraph = { version = "0.6.4" }
 platform-info = { version = "2.0.2" }

crates/puffin-cli/Cargo.toml

@@ -14,6 +14,8 @@ name = "puffin"
 path = "src/main.rs"
 
 [dependencies]
+textwrap = { version = "0.15.2" }
+
 gourgeist = { path = "../gourgeist" }
 install-wheel-rs = { path = "../install-wheel-rs", default-features = false }
 pep440_rs = { path = "../pep440-rs" }

crates/puffin-cli/src/commands/pip_compile.rs

@@ -47,6 +47,16 @@ pub(crate) async fn pip_compile(
     cache: &Path,
     mut printer: Printer,
 ) -> Result<ExitStatus> {
+    miette::set_hook(Box::new(|_| {
+        Box::new(
+            miette::MietteHandlerOpts::new()
+                .break_words(false)
+                .word_separator(textwrap::WordSeparator::AsciiSpace)
+                .word_splitter(textwrap::WordSplitter::NoHyphenation)
+                .build(),
+        )
+    }))?;
+
     let start = std::time::Instant::now();
 
     // If the user requests `extras` but does not provide a pyproject toml source

crates/puffin-cli/tests/snapshots/pip_compile__conflicting_repeated_url_dependency_version_match.snap

@@ -6,14 +6,17 @@ info:
     - pip-compile
     - requirements.in
     - "--cache-dir"
-    - /var/folders/nt/6gf2v7_s3k13zq_t3944rwz40000gn/T/.tmpIZhaps
+    - /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpPPS74q
   env:
-    VIRTUAL_ENV: /var/folders/nt/6gf2v7_s3k13zq_t3944rwz40000gn/T/.tmpKUYHgL/.venv
+    VIRTUAL_ENV: /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmplYH9yM/.venv
 ---
 success: false
-exit_code: 2
+exit_code: 1
 ----- stdout -----
 
 ----- stderr -----
-error: Conflicting URLs for package `werkzeug`: git+https://github.com/pallets/[email protected] and https://files.pythonhosted.org/packages/ff/1d/960bb4017c68674a1cb099534840f18d3def3ce44aed12b5ed8b78e0153e/Werkzeug-2.0.0-py3-none-any.whl
+  × No solution found when resolving dependencies:
+  ╰─▶ root dependencies are unusable: Conflicting URLs for package `werkzeug`:
+      - git+https://github.com/pallets/[email protected]
+      - https://files.pythonhosted.org/packages/ff/1d/960bb4017c68674a1cb099534840f18d3def3ce44aed12b5ed8b78e0153e/Werkzeug-2.0.0-py3-none-any.whl
 

crates/puffin-cli/tests/snapshots/pip_compile__conflicting_repeated_url_dependency_version_mismatch.snap

@@ -6,14 +6,17 @@ info:
     - pip-compile
     - requirements.in
     - "--cache-dir"
-    - /var/folders/nt/6gf2v7_s3k13zq_t3944rwz40000gn/T/.tmpPGmK15
+    - /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmptRvh60
   env:
-    VIRTUAL_ENV: /var/folders/nt/6gf2v7_s3k13zq_t3944rwz40000gn/T/.tmpgXUIr9/.venv
+    VIRTUAL_ENV: /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpNKU4Z0/.venv
 ---
 success: false
-exit_code: 2
+exit_code: 1
 ----- stdout -----
 
 ----- stderr -----
-error: Conflicting URLs for package `werkzeug`: https://files.pythonhosted.org/packages/bd/24/11c3ea5a7e866bf2d97f0501d0b4b1c9bbeade102bb4b588f0d2919a5212/Werkzeug-2.0.1-py3-none-any.whl and https://files.pythonhosted.org/packages/ff/1d/960bb4017c68674a1cb099534840f18d3def3ce44aed12b5ed8b78e0153e/Werkzeug-2.0.0-py3-none-any.whl
+  × No solution found when resolving dependencies:
+  ╰─▶ root dependencies are unusable: Conflicting URLs for package `werkzeug`:
+      - https://files.pythonhosted.org/packages/bd/24/11c3ea5a7e866bf2d97f0501d0b4b1c9bbeade102bb4b588f0d2919a5212/Werkzeug-2.0.1-py3-none-any.whl
+      - https://files.pythonhosted.org/packages/ff/1d/960bb4017c68674a1cb099534840f18d3def3ce44aed12b5ed8b78e0153e/Werkzeug-2.0.0-py3-none-any.whl
 

crates/puffin-resolver/src/error.rs

@@ -41,7 +41,7 @@ pub enum ResolveError {
     #[error("~= operator requires at least two release segments: {0}")]
     InvalidTildeEquals(pep440_rs::VersionSpecifier),
 
-    #[error("Conflicting URLs for package `{0}`: {1} and {2}")]
+    #[error("Conflicting URLs for package `{0}`:\n- {1}\n- {2}")]
     ConflictingUrls(PackageName, String, String),
 
     #[error("Conflicting versions for `{0}`: {1}")]

crates/puffin-resolver/src/resolver.rs

@@ -466,7 +466,11 @@ impl<'a, Context: BuildContext + Sync> Resolver<'a, Context> {
                     None,
                     self.markers,
                 );
-                if let Err(err @ ResolveError::ConflictingVersions(..)) = constraints {
+                if let Err(
+                    err @ (ResolveError::ConflictingVersions(..)
+                    | ResolveError::ConflictingUrls(..)),
+                ) = constraints
+                {
                     return Ok(Dependencies::Unusable(Some(err.to_string())));
                 }
                 let constraints = constraints?;