Simpler package generation using cookiecutter, stdout buffering for consoleplugin

bonobo/commands/version.py

@@ -1,9 +1,31 @@
 import bonobo
+from bonobo.util.packages import bonobo_packages
 
 
-def execute():
-    print('{} v.{}'.format(bonobo.__name__, bonobo.__version__))
+def format_version(mod, *, name=None, quiet=False):
+    return ('{name} {version}' if quiet else '{name} v.{version} (in {location})').format(
+        name=name or mod.__name__,
+        version=mod.__version__,
+        location=bonobo_packages[name or mod.__name__].location
+    )
+
+
+def execute(all=False, quiet=False):
+    print(format_version(bonobo, quiet=quiet))
+    if all:
+        for name in sorted(bonobo_packages):
+            if name != 'bonobo':
+                try:
+                    mod = __import__(name.replace('-', '_'))
+                    try:
+                        print(format_version(mod, name=name, quiet=quiet))
+                    except Exception as exc:
+                        print('{} ({})'.format(name, exc))
+                except ImportError as exc:
+                    print('{} is not importable ({}).'.format(name, exc))
 
 
 def register(parser):
+    parser.add_argument('--all', '-a', action='store_true')
+    parser.add_argument('--quiet', '-q', action='store_true')
     return execute