Add env command

poetry/console/application.py

@@ -19,6 +19,7 @@
 from .commands import CheckCommand
 from .commands import ConfigCommand
 from .commands import DevelopCommand
+from .commands import EnvCommand
 from .commands import InitCommand
 from .commands import InstallCommand
 from .commands import LockCommand
@@ -111,6 +112,7 @@ def get_default_commands(self):  # type: () -> list
             CheckCommand(),
             ConfigCommand(),
             DevelopCommand(),
+            EnvCommand(),
             InitCommand(),
             InstallCommand(),
             LockCommand(),

poetry/console/commands/__init__.py

@@ -4,6 +4,7 @@
 from .check import CheckCommand
 from .config import ConfigCommand
 from .develop import DevelopCommand
+from .env import EnvCommand
 from .init import InitCommand
 from .install import InstallCommand
 from .lock import LockCommand

poetry/console/commands/env.py

@@ -0,0 +1,40 @@
+from .venv_command import VenvCommand
+from shutil import rmtree
+
+
+class EnvCommand(VenvCommand):
+    """
+    Shows information about the virtual environment.
+
+    env
+        { --p|path : Show the path to virtual environment. }
+        { --python : Show the path to the python executable. }
+        { --pip : Show the path to the pip executable. }
+        { --rm : Remove the virtual environment. }
+    """
+
+    help = """The env command displays information about the virtual environment.
+If it doesn't exist when the command is ran, it will be created."""
+
+    def handle(self):
+        path = self.venv.venv
+
+        if self.option("path"):
+            self.info(path)
+
+        elif self.option("python"):
+            self.info(self.venv.python)
+
+        elif self.option("pip"):
+            self.info(self.venv.pip)
+
+        elif self.option("rm"):
+            self.line("Removing virtual environment at <info>{}</>".format(path))
+            rmtree(path, ignore_errors=True)
+
+        else:
+            version = ".".join(str(s) for s in self.venv.version_info[:3])
+            impl = self.venv.python_implementation
+            self.line("<info>Virtualenv path</>: <comment>{}</>".format(path))
+            self.line("<info>Python version</>: <comment>{}</>".format(version))
+            self.line("<info>Implementation</>: <comment>{}</>".format(impl))