Merge f7c56bc308 into 9f213bf69a

news/12088.feature.rst

@@ -0,0 +1 @@
+New pip install option ``--executable=/path`` to set #! path in scripts.

src/pip/_internal/commands/install.py

@@ -141,6 +141,14 @@ class InstallCommand(RequirementCommand):
                 "environment."
             ),
         )
+        self.cmd_opts.add_option(
+            "--executable",
+            dest="executable_path",
+            default=None,
+            help=(
+                "Path to executable for #! lines in scripts."
+            ),
+        )
 
         self.cmd_opts.add_option(cmdoptions.src())
 
@@ -455,6 +463,7 @@ class InstallCommand(RequirementCommand):
                 root=options.root_path,
                 home=target_temp_dir_path,
                 prefix=options.prefix_path,
+                executable=options.executable_path,
                 warn_script_location=warn_script_location,
                 use_user_site=options.use_user_site,
                 pycompile=options.compile,

src/pip/_internal/operations/install/wheel.py

@@ -422,6 +422,9 @@ def _raise_for_invalid_entrypoint(specification: str) -> None:
 
 
 class PipScriptMaker(ScriptMaker):
+    def __init__(self, executable, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.executable = executable
     def make(
         self, specification: str, options: Optional[Dict[str, Any]] = None
     ) -> List[str]:
@@ -434,6 +437,7 @@ def _install_wheel(
     wheel_zip: ZipFile,
     wheel_path: str,
     scheme: Scheme,
+    executable: Optional[str] = None,
     pycompile: bool = True,
     warn_script_location: bool = True,
     direct_url: Optional[DirectUrl] = None,
@@ -624,7 +628,7 @@ def _install_wheel(
                         record_installed(pyc_record_path, pyc_path)
         logger.debug(stdout.getvalue())
 
-    maker = PipScriptMaker(None, scheme.scripts)
+    maker = PipScriptMaker(executable, None, scheme.scripts)
 
     # Ensure old scripts are overwritten.
     # See https://github.com/pypa/pip/issues/1800
@@ -721,6 +725,7 @@ def install_wheel(
     wheel_path: str,
     scheme: Scheme,
     req_description: str,
+    executable: Optional[str] = None,
     pycompile: bool = True,
     warn_script_location: bool = True,
     direct_url: Optional[DirectUrl] = None,
@@ -733,6 +738,7 @@ def install_wheel(
                 wheel_zip=z,
                 wheel_path=wheel_path,
                 scheme=scheme,
+                executable=executable,
                 pycompile=pycompile,
                 warn_script_location=warn_script_location,
                 direct_url=direct_url,

src/pip/_internal/req/__init__.py

@@ -40,6 +40,7 @@ def install_given_reqs(
     root: Optional[str],
     home: Optional[str],
     prefix: Optional[str],
+    executable: Optional[str],
     warn_script_location: bool,
     use_user_site: bool,
     pycompile: bool,
@@ -74,6 +75,7 @@ def install_given_reqs(
                     root=root,
                     home=home,
                     prefix=prefix,
+                    executable=executable,
                     warn_script_location=warn_script_location,
                     use_user_site=use_user_site,
                     pycompile=pycompile,

src/pip/_internal/req/req_install.py

@@ -812,6 +812,7 @@ class InstallRequirement:
         root: Optional[str] = None,
         home: Optional[str] = None,
         prefix: Optional[str] = None,
+        executable: Optional[str] = None,
         warn_script_location: bool = True,
         use_user_site: bool = False,
         pycompile: bool = True,
@@ -848,6 +849,7 @@ class InstallRequirement:
             self.req.name,
             self.local_file_path,
             scheme=scheme,
+            executable=executable,
             req_description=str(self.req),
             pycompile=pycompile,
             warn_script_location=warn_script_location,