add flag --use-env to env commands (build, install, run, show) to specify the python executable to use

Author: finswimmer

Diff for: poetry/console/application.py

@@ -265,7 +265,7 @@ def configure_env(
         poetry = command.poetry
 
         env_manager = EnvManager(poetry)
-        env = env_manager.create_venv(io)
+        env = env_manager.create_venv(io, executable=event.io.input.option("use-env"))
 
         if env.is_venv() and io.is_verbose():
             io.write_line(f"Using virtualenv: <comment>{env.path}</>")

Diff for: poetry/console/commands/build.py

@@ -8,7 +8,7 @@ class BuildCommand(EnvCommand):
     name = "build"
     description = "Builds a package, as a tarball and a wheel by default."
 
-    options = [
+    options = EnvCommand.options + [
         option("format", "f", "Limit the format to either sdist or wheel.", flag=False)
     ]
 

Diff for: poetry/console/commands/env_command.py

@@ -1,5 +1,7 @@
 from typing import TYPE_CHECKING
 
+from cleo.helpers import option
+
 from .command import Command
 
 
@@ -8,6 +10,10 @@
 
 
 class EnvCommand(Command):
+    options = [
+        option("use-env", None, "The python executable to use.", flag=False),
+    ]
+
     def __init__(self) -> None:
         self._env = None
 

Diff for: poetry/console/commands/install.py

@@ -8,7 +8,7 @@ class InstallCommand(InstallerCommand):
     name = "install"
     description = "Installs the project dependencies."
 
-    options = [
+    options = InstallerCommand.options + [
         option("no-dev", None, "Do not install the development dependencies."),
         option("dev-only", None, "Only install the development dependencies."),
         option(

Diff for: poetry/console/commands/run.py

@@ -16,7 +16,7 @@ class RunCommand(EnvCommand):
     name = "run"
     description = "Runs a command in the appropriate environment."
 
-    arguments = [
+    arguments = EnvCommand.options + [
         argument("args", "The command and arguments/options to run.", multiple=True)
     ]
 

Diff for: poetry/console/commands/show.py

@@ -24,7 +24,7 @@ class ShowCommand(EnvCommand):
     description = "Shows information about packages."
 
     arguments = [argument("package", "The package to inspect", optional=True)]
-    options = [
+    options = EnvCommand.options + [
         option("no-dev", None, "Do not list the development dependencies."),
         option("tree", "t", "List the dependencies as a tree."),
         option("latest", "l", "Show the latest version."),