Add debug:info command

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Added
+
+- Added a `debug:info` command to get information about current environment.
+
 ### Fixed
 
 - Fixed Python version retrieval inside virtualenvs.

poetry/console/application.py

@@ -21,6 +21,7 @@ from .commands import RunCommand
 from .commands import ShowCommand
 from .commands import UpdateCommand
 
+from .commands.debug import DebugInfoCommand
 from .commands.debug import DebugResolveCommand
 
 
@@ -99,6 +100,7 @@ class Application(BaseApplication):
 
         # Debug commands
         commands += [
+            DebugInfoCommand(),
             DebugResolveCommand(),
         ]
 

poetry/console/commands/debug/__init__.py

+from .info import DebugInfoCommand
 from .resolve import DebugResolveCommand

poetry/console/commands/debug/info.py

+import os
+import sys
+
+from ..venv_command import VenvCommand
+
+
+class DebugInfoCommand(VenvCommand):
+    """
+    Shows debug information.
+
+    debug:info
+    """
+
+    def handle(self):
+        poetry = self.poetry
+        package = poetry.package
+        venv = self.venv
+
+        poetry_python_version = '.'.join(str(s) for s in sys.version_info[:3])
+
+        self.output.title('Poetry')
+        self.output.listing([
+            '<info>Version</info>: <comment>{}</>'.format(poetry.VERSION),
+            '<info>Python</info>:  <comment>{}</>'.format(poetry_python_version)
+        ])
+
+        self.line('')
+
+        venv_python_version = '.'.join(str(s) for s in venv.version_info[:3])
+        self.output.title('Virtualenv')
+        self.output.listing([
+            '<info>Python</info>:         <comment>{}</>'.format(
+                venv_python_version
+            ),
+            '<info>Implementation</info>: <comment>{}</>'.format(
+                venv.python_implementation
+            ),
+            '<info>Path</info>:           <comment>{}</>'.format(
+                venv.venv if venv.is_venv() else 'NA'
+            )
+        ])
+
+        self.line('')
+
+        self.output.title('System')
+        self.output.listing([
+            '<info>Platform</info>: <comment>{}</>'.format(sys.platform),
+            '<info>OS</info>:       <comment>{}</>'.format(os.name),
+        ])
+
+        self.line('')