Move RequirementsTxtRequirement to its own module (#3235)

Small refactoring, no functional changes.

crates/requirements-txt/src/lib.rs

@@ -46,10 +46,10 @@ use unscanny::{Pattern, Scanner};
 use url::Url;
 
 use pep508_rs::{
-    expand_env_vars, split_scheme, strip_host, Extras, MarkerEnvironment, MarkerTree, Pep508Error,
-    Pep508ErrorSource, Requirement, Scheme, UnnamedRequirement, VerbatimUrl, VersionOrUrl,
-    VersionOrUrlRef,
+    expand_env_vars, split_scheme, strip_host, Extras, Pep508Error, Pep508ErrorSource, Requirement,
+    Scheme, VerbatimUrl,
 };
+pub use requirement::RequirementsTxtRequirement;
 #[cfg(feature = "http")]
 use uv_client::BaseClient;
 use uv_client::BaseClientBuilder;
@@ -58,6 +58,8 @@ use uv_fs::{normalize_url_path, Simplified};
 use uv_normalize::ExtraName;
 use uv_warnings::warn_user;
 
+mod requirement;
+
 /// We emit one of those for each requirements.txt entry
 enum RequirementsTxtStatement {
     /// `-r` inclusion filename
@@ -1281,6 +1283,7 @@ mod test {
     use tempfile::tempdir;
     use test_case::test_case;
     use unscanny::Scanner;
+
     use uv_client::BaseClientBuilder;
     use uv_fs::Simplified;
 
@@ -2184,110 +2187,3 @@ mod test {
         assert_eq!(line_column, expected, "Issues with input: {input}");
     }
 }
-
-/// A requirement specifier in a `requirements.txt` file.
-#[derive(Hash, Debug, Clone, Eq, PartialEq, Serialize, Deserialize)]
-pub enum RequirementsTxtRequirement {
-    /// A PEP 508-compliant dependency specifier.
-    Pep508(Requirement),
-    /// A PEP 508-like, direct URL dependency specifier.
-    Unnamed(UnnamedRequirement),
-}
-
-impl Display for RequirementsTxtRequirement {
-    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        match self {
-            Self::Pep508(requirement) => write!(f, "{requirement}"),
-            Self::Unnamed(requirement) => write!(f, "{requirement}"),
-        }
-    }
-}
-
-impl RequirementsTxtRequirement {
-    /// Returns whether the markers apply for the given environment
-    pub fn evaluate_markers(&self, env: &MarkerEnvironment, extras: &[ExtraName]) -> bool {
-        match self {
-            Self::Pep508(requirement) => requirement.evaluate_markers(env, extras),
-            Self::Unnamed(requirement) => requirement.evaluate_markers(env, extras),
-        }
-    }
-
-    /// Returns the extras for the requirement.
-    pub fn extras(&self) -> &[ExtraName] {
-        match self {
-            Self::Pep508(requirement) => requirement.extras.as_slice(),
-            Self::Unnamed(requirement) => requirement.extras.as_slice(),
-        }
-    }
-
-    /// Returns the markers for the requirement.
-    pub fn markers(&self) -> Option<&MarkerTree> {
-        match self {
-            Self::Pep508(requirement) => requirement.marker.as_ref(),
-            Self::Unnamed(requirement) => requirement.marker.as_ref(),
-        }
-    }
-
-    /// Return the version specifier or URL for the requirement.
-    pub fn version_or_url(&self) -> Option<VersionOrUrlRef> {
-        match self {
-            Self::Pep508(requirement) => match requirement.version_or_url.as_ref() {
-                Some(VersionOrUrl::VersionSpecifier(specifiers)) => {
-                    Some(VersionOrUrlRef::VersionSpecifier(specifiers))
-                }
-                Some(VersionOrUrl::Url(url)) => Some(VersionOrUrlRef::Url(url)),
-                None => None,
-            },
-            Self::Unnamed(requirement) => Some(VersionOrUrlRef::Url(&requirement.url)),
-        }
-    }
-}
-
-impl From<Requirement> for RequirementsTxtRequirement {
-    fn from(requirement: Requirement) -> Self {
-        Self::Pep508(requirement)
-    }
-}
-
-impl From<UnnamedRequirement> for RequirementsTxtRequirement {
-    fn from(requirement: UnnamedRequirement) -> Self {
-        Self::Unnamed(requirement)
-    }
-}
-
-impl FromStr for RequirementsTxtRequirement {
-    type Err = Pep508Error;
-
-    /// Parse a requirement as seen in a `requirements.txt` file.
-    fn from_str(input: &str) -> Result<Self, Self::Err> {
-        match Requirement::from_str(input) {
-            Ok(requirement) => Ok(Self::Pep508(requirement)),
-            Err(err) => match err.message {
-                Pep508ErrorSource::UnsupportedRequirement(_) => {
-                    Ok(Self::Unnamed(UnnamedRequirement::from_str(input)?))
-                }
-                _ => Err(err),
-            },
-        }
-    }
-}
-
-impl RequirementsTxtRequirement {
-    /// Parse a requirement as seen in a `requirements.txt` file.
-    pub fn parse(input: &str, working_dir: impl AsRef<Path>) -> Result<Self, Pep508Error> {
-        // Attempt to parse as a PEP 508-compliant requirement.
-        match Requirement::parse(input, &working_dir) {
-            Ok(requirement) => Ok(Self::Pep508(requirement)),
-            Err(err) => match err.message {
-                Pep508ErrorSource::UnsupportedRequirement(_) => {
-                    // If that fails, attempt to parse as a direct URL requirement.
-                    Ok(Self::Unnamed(UnnamedRequirement::parse(
-                        input,
-                        &working_dir,
-                    )?))
-                }
-                _ => Err(err),
-            },
-        }
-    }
-}

crates/requirements-txt/src/requirement.rs

@@ -0,0 +1,116 @@
+use pep508_rs::{
+    MarkerEnvironment, MarkerTree, Pep508Error, Pep508ErrorSource, Requirement, UnnamedRequirement,
+    VersionOrUrl, VersionOrUrlRef,
+};
+use serde::{Deserialize, Serialize};
+use std::fmt::{Display, Formatter};
+use std::path::Path;
+use std::str::FromStr;
+use uv_normalize::ExtraName;
+
+/// A requirement specifier in a `requirements.txt` file.
+#[derive(Hash, Debug, Clone, Eq, PartialEq, Serialize, Deserialize)]
+pub enum RequirementsTxtRequirement {
+    /// A PEP 508-compliant dependency specifier.
+    Pep508(Requirement),
+    /// A PEP 508-like, direct URL dependency specifier.
+    Unnamed(UnnamedRequirement),
+}
+
+impl Display for RequirementsTxtRequirement {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::Pep508(requirement) => write!(f, "{requirement}"),
+            Self::Unnamed(requirement) => write!(f, "{requirement}"),
+        }
+    }
+}
+
+impl RequirementsTxtRequirement {
+    /// Returns whether the markers apply for the given environment
+    pub fn evaluate_markers(&self, env: &MarkerEnvironment, extras: &[ExtraName]) -> bool {
+        match self {
+            Self::Pep508(requirement) => requirement.evaluate_markers(env, extras),
+            Self::Unnamed(requirement) => requirement.evaluate_markers(env, extras),
+        }
+    }
+
+    /// Returns the extras for the requirement.
+    pub fn extras(&self) -> &[ExtraName] {
+        match self {
+            Self::Pep508(requirement) => requirement.extras.as_slice(),
+            Self::Unnamed(requirement) => requirement.extras.as_slice(),
+        }
+    }
+
+    /// Returns the markers for the requirement.
+    pub fn markers(&self) -> Option<&MarkerTree> {
+        match self {
+            Self::Pep508(requirement) => requirement.marker.as_ref(),
+            Self::Unnamed(requirement) => requirement.marker.as_ref(),
+        }
+    }
+
+    /// Return the version specifier or URL for the requirement.
+    pub fn version_or_url(&self) -> Option<VersionOrUrlRef> {
+        match self {
+            Self::Pep508(requirement) => match requirement.version_or_url.as_ref() {
+                Some(VersionOrUrl::VersionSpecifier(specifiers)) => {
+                    Some(VersionOrUrlRef::VersionSpecifier(specifiers))
+                }
+                Some(VersionOrUrl::Url(url)) => Some(VersionOrUrlRef::Url(url)),
+                None => None,
+            },
+            Self::Unnamed(requirement) => Some(VersionOrUrlRef::Url(&requirement.url)),
+        }
+    }
+}
+
+impl From<Requirement> for RequirementsTxtRequirement {
+    fn from(requirement: Requirement) -> Self {
+        Self::Pep508(requirement)
+    }
+}
+
+impl From<UnnamedRequirement> for RequirementsTxtRequirement {
+    fn from(requirement: UnnamedRequirement) -> Self {
+        Self::Unnamed(requirement)
+    }
+}
+
+impl FromStr for RequirementsTxtRequirement {
+    type Err = Pep508Error;
+
+    /// Parse a requirement as seen in a `requirements.txt` file.
+    fn from_str(input: &str) -> Result<Self, Self::Err> {
+        match Requirement::from_str(input) {
+            Ok(requirement) => Ok(Self::Pep508(requirement)),
+            Err(err) => match err.message {
+                Pep508ErrorSource::UnsupportedRequirement(_) => {
+                    Ok(Self::Unnamed(UnnamedRequirement::from_str(input)?))
+                }
+                _ => Err(err),
+            },
+        }
+    }
+}
+
+impl RequirementsTxtRequirement {
+    /// Parse a requirement as seen in a `requirements.txt` file.
+    pub fn parse(input: &str, working_dir: impl AsRef<Path>) -> Result<Self, Pep508Error> {
+        // Attempt to parse as a PEP 508-compliant requirement.
+        match Requirement::parse(input, &working_dir) {
+            Ok(requirement) => Ok(Self::Pep508(requirement)),
+            Err(err) => match err.message {
+                Pep508ErrorSource::UnsupportedRequirement(_) => {
+                    // If that fails, attempt to parse as a direct URL requirement.
+                    Ok(Self::Unnamed(UnnamedRequirement::parse(
+                        input,
+                        &working_dir,
+                    )?))
+                }
+                _ => Err(err),
+            },
+        }
+    }
+}