Massive refactor; use batons, wizard summary SUBCOMMAND

[wizard.git] / wizard / command / summary / version.py

diff --git a/wizard/command/summary/version.py b/wizard/command/summary/version.py
new file mode 100644 (file)
index 0000000..c0e59e8
--- /dev/null
+++ b/wizard/command/summary/version.py
@@ -0,0 +1,44 @@
+import math
+
+from wizard.command import _command
+from wizard.command.summary import _summary
+
+def main(argv, baton):
+    options, show = parse_args(argv, baton)
+    HISTOGRAM_WIDTH = 30
+    show = set()
+    c_version = _summary.Counter()
+    c_application = _summary.Counter()
+    for d in _summary.parse_install_lines(show, options):
+        version = d.getAppVersion()
+        c_version.count(version)
+        c_application.count(version.application)
+        show.add(version.application)
+    if not show:
+        print "No applications found"
+    for application in show:
+        print "%-16s %3d installs" % (application.name, c_application[application])
+        vmax = max(c_version[x] for x in application.versions.values())
+        for version in sorted(application.versions.values()):
+            v = c_version[version]
+            graph = '+' * int(math.ceil(float(v)/vmax * HISTOGRAM_WIDTH))
+            print "    %-12s %3d  %s" % (version.version, v, graph)
+        print
+
+def parse_args(argv, baton):
+    usage = """usage: %prog summary version [ARGS] [APP]
+
+Prints graphs of version usage in autoinstallers
+
+Examples:
+    %prog summary list
+        Show graphs for all autoinstall versions
+    %prog summary list mediawiki
+        Show graph for MediaWiki autoinstall versions"""
+    parser = _command.WizardOptionParser(usage)
+    baton.push(parser, "versions_path")
+    options, args = parser.parse_all(argv)
+    if len(args) > 1:
+        parser.error("too many arguments")
+    return options, args
+