From f81936cee05b003e2327c681af8c9a780c8d8a50 Mon Sep 17 00:00:00 2001
From: Kim Spasaro <spasarok@grinnell.edu>
Date: Mon, 8 Aug 2016 16:01:57 -0500
Subject: [PATCH] adding module list command

---
 peru/main.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/peru/main.py b/peru/main.py
index 0d559e5..56f3c25 100644
--- a/peru/main.py
+++ b/peru/main.py
@@ -229,6 +229,31 @@ def do_override(params):
                     module, params.runtime.get_override(module)))
 
 
+@peru_command('module', '''\
+Usage:
+    peru module <list> [-z]
+
+Options:
+    -z              print one module per line for machine-readable formatting
+
+''')
+def do_list(params):
+    modules = params.scope.modules.values()
+    output = ''
+    delim = ' | ' if params.args['-z'] else "\n  "
+
+    for module in modules:
+        output += module.name
+        for field, val in module.plugin_fields.items():
+            output += '{}{}: {}'.format(delim, field, val)
+        if(params.runtime.get_override(module.name)):
+            output += '{}{}: {}'.format(delim, 'override', params.runtime.get_override(module.name))
+        output += '\n'
+
+    if (output):
+        params.runtime.display.print(output[:-1])
+
+
 def get_version():
     version_file = os.path.join(compat.MODULE_ROOT, 'VERSION')
     with open(version_file) as f: