Modify pip list and tree to print to stdout regardless of the --quiet…

… flag

crates/uv/src/commands/pip/list.rs

@@ -18,7 +18,7 @@ use uv_python::{EnvironmentPreference, PythonEnvironment};
 
 use crate::commands::pip::operations::report_target_environment;
 use crate::commands::ExitStatus;
-use crate::printer::Printer;
+use crate::printer::{Printer, Stdout};
 
 /// Enumerate the installed packages in the current environment.
 #[allow(clippy::fn_params_excessive_bools)]
@@ -52,11 +52,13 @@ pub(crate) fn pip_list(
         .sorted_unstable_by(|a, b| a.name().cmp(b.name()).then(a.version().cmp(b.version())))
         .collect_vec();
 
+    // We force output to stdout specifically for `pip list` command (#8379)
+    let mut forced_stdout = Stdout::Enabled;
     match format {
         ListFormat::Json => {
             let rows = results.iter().copied().map(Entry::from).collect_vec();
             let output = serde_json::to_string(&rows)?;
-            writeln!(printer.stdout(), "{output}")?;
+            writeln!(forced_stdout, "{output}")?;
         }
         ListFormat::Columns if results.is_empty() => {}
         ListFormat::Columns => {
@@ -97,18 +99,13 @@ pub(crate) fn pip_list(
             }
 
             for elems in MultiZip(columns.iter().map(Column::fmt).collect_vec()) {
-                writeln!(printer.stdout(), "{}", elems.join(" ").trim_end())?;
+                writeln!(forced_stdout, "{}", elems.join(" ").trim_end())?;
             }
         }
         ListFormat::Freeze if results.is_empty() => {}
         ListFormat::Freeze => {
             for dist in &results {
-                writeln!(
-                    printer.stdout(),
-                    "{}=={}",
-                    dist.name().bold(),
-                    dist.version()
-                )?;
+                writeln!(forced_stdout, "{}=={}", dist.name().bold(), dist.version())?;
             }
         }
     }

crates/uv/src/commands/project/tree.rs

@@ -14,7 +14,7 @@ use crate::commands::pip::loggers::DefaultResolveLogger;
 use crate::commands::pip::resolution_markers;
 use crate::commands::project::ProjectInterpreter;
 use crate::commands::{project, ExitStatus, SharedState};
-use crate::printer::Printer;
+use crate::printer::{Printer, Stdout};
 use crate::settings::ResolverSettings;
 
 /// Run a command.
@@ -100,7 +100,8 @@ pub(crate) async fn tree(
         invert,
     );
 
-    write!(printer.stdout(), "{tree}")?;
+    // Making an exclusion specifically for tree subcommand (#8379)
+    write!(Stdout::Enabled, "{tree}")?;
 
     Ok(ExitStatus::Success)
 }

crates/uv/tests/it/pip_list.rs

@@ -525,3 +525,77 @@ Version: 0.1-bulbasaur
 
     Ok(())
 }
+
+#[test]
+fn list_ignores_quiet_flag_format_freeze() {
+    let context = TestContext::new("3.12");
+
+    // Install the editable package.
+    uv_snapshot!(context.filters(), context
+        .pip_install()
+        .arg("-e")
+        .arg(context.workspace_root.join("scripts/packages/poetry_editable")), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Resolved 4 packages in [TIME]
+    Prepared 4 packages in [TIME]
+    Installed 4 packages in [TIME]
+     + anyio==4.3.0
+     + idna==3.6
+     + poetry-editable==0.1.0 (from file://[WORKSPACE]/scripts/packages/poetry_editable)
+     + sniffio==1.3.1
+    "###
+    );
+
+    let filters = context
+        .filters()
+        .into_iter()
+        .chain(vec![(r"\-\-\-\-\-\-+.*", "[UNDERLINE]"), ("  +", " ")])
+        .collect::<Vec<_>>();
+
+    uv_snapshot!(filters, context.pip_list()
+    .arg("--format=freeze")
+    .arg("--quiet"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    anyio==4.3.0
+    idna==3.6
+    poetry-editable==0.1.0
+    sniffio==1.3.1
+
+    ----- stderr -----
+    "###
+    );
+
+    uv_snapshot!(filters, context.pip_list()
+    .arg("--format=freeze")
+    .arg("--editable")
+    .arg("--quiet"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    poetry-editable==0.1.0
+
+    ----- stderr -----
+    "###
+    );
+
+    uv_snapshot!(filters, context.pip_list()
+    .arg("--format=freeze")
+    .arg("--exclude-editable")
+    .arg("--quiet"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    anyio==4.3.0
+    idna==3.6
+    sniffio==1.3.1
+
+    ----- stderr -----
+    "###
+    );
+}

crates/uv/tests/it/pip_tree.rs

@@ -1744,3 +1744,42 @@ fn show_version_specifiers_with_package() {
     "###
     );
 }
+
+#[test]
+fn print_output_even_with_quite_flag() {
+    let context = TestContext::new("3.12");
+
+    let requirements_txt = context.temp_dir.child("requirements.txt");
+    requirements_txt.write_str("requests==2.31.0").unwrap();
+
+    uv_snapshot!(context
+        .pip_install()
+        .arg("-r")
+        .arg("requirements.txt")
+        .arg("--strict"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Resolved 5 packages in [TIME]
+    Prepared 5 packages in [TIME]
+    Installed 5 packages in [TIME]
+     + certifi==2024.2.2
+     + charset-normalizer==3.3.2
+     + idna==3.6
+     + requests==2.31.0
+     + urllib3==2.2.1
+    "###
+    );
+
+    context.assert_command("import requests").success();
+    uv_snapshot!(context.filters(), context.pip_tree().arg("--quiet"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    "###
+    );
+}