Add 'make check-pylint' command.

Makefile.am

@@ -9,3 +9,6 @@ DISTCLEAN_FILES = @PACKAGE@.spec intltool-extract intltool-merge intltool-update
 
 rpm: clean
 	$(MAKE) dist && rpmbuild -ta $(distdir).tar.gz
+
+check-pylint:
+	tests/pylint-virt-manager.sh

tests/pylint-virt-manager.sh

@@ -0,0 +1,113 @@
+#!/bin/sh
+
+# pylint doesn't work well with a file named xxx.py.xxx
+cp src/virt-manager.py.in src/_virt-manager
+
+cd src || exit 1
+
+IGNOREFILES="IPy.py"
+FILES="virtManager/ _virt-manager"
+
+# Deliberately ignored warnings:
+# Don't print pylint config warning
+NO_PYL_CONFIG=".*No config file found.*"
+
+# The gettext function is installed in the builtin namespace
+GETTEXT_VAR="Undefined variable '_'"
+
+# These all work fine and are legit, just false positives
+GOBJECT_VAR="has no '__gobject_init__' member"
+EMIT_VAR="has no 'emit' member"
+ERROR_VBOX="vmmErrorDialog.__init__.*Class 'vbox' has no 'pack_start' member"
+EXCEPTHOOK="no '__excepthook__' member"
+CONNECT_VAR="no 'connect' member"
+
+# os._exit is needed for forked processes.
+OS_EXIT="protected member _exit of a client class"
+
+# Avahi API may have requirements on callback argument names, so ignore these
+# warnings
+BTYPE_LIST="(vmmConnect.add_service|vmmConnect.remove_service|vmmConnect.add_conn_to_list)"
+BUILTIN_TYPE="${BTYPE_LIST}.*Redefining built-in 'type'"
+
+
+DMSG=""
+addmsg() {
+    DMSG="${DMSG},$1"
+}
+
+addchecker() {
+    DCHECKERS="${DCHECKERS},$1"
+}
+
+# Disabled unwanted messages
+addmsg "C0103"      # C0103: Name doesn't match some style regex
+addmsg "C0111"      # C0111: No docstring
+addmsg "C0301"      # C0301: Line too long
+addmsg "C0302"      # C0302: Too many lines in module
+addmsg "C0324"      # C0324: *Comma not followed by a space*
+addmsg "R0201"      # R0201: Method could be a function
+addmsg "W0105"      # W0105: String statement has no effect
+addmsg "W0141"      # W0141: Complaining about 'map' and 'filter'
+addmsg "W0142"      # W0142: *Used * or ** magic*
+addmsg "W0403"      # W0403: Relative imports
+addmsg "W0603"      # W0603: Using the global statement
+addmsg "W0702"      # W0703: No exception type specified
+addmsg "W0703"      # W0703: Catch 'Exception'
+addmsg "W0704"      # W0704: Exception doesn't do anything
+
+# Potentially useful messages, disabled for now
+addmsg "C0322"      # C0322: *Operator not preceded by a space*
+addmsg "C0323"      # C0323: *Operator not followed by a space*
+addmsg "W0201"      # W0201: Defined outside __init__
+addmsg "W0511"      # W0511: FIXME and XXX: messages
+addmsg "W0613"      # W0613: Unused arguments
+
+# Disabled Checkers:
+addchecker "Design"         # Things like "Too many func arguments",
+                            #             "Too man public methods"
+addchecker "Similarities"   # Finds duplicate code (enable this later?)
+
+# May want to enable this in the future
+SHOW_REPORT="n"
+
+AWK=awk
+[ `uname -s` = 'SunOS' ] && AWK=nawk
+
+pylint --ignore=IPy.py $FILES \
+  --reports=$SHOW_REPORT \
+  --output-format=colorized \
+  --dummy-variables-rgx="dummy|ignore*" \
+  --disable-msg=${DMSG}\
+  --disable-checker=${DCHECKERS} 2>&1 | \
+  egrep -ve "$NO_PYL_CONFIG" \
+        -ve "$GOBJECT_VAR" \
+        -ve "$EMIT_VAR" \
+        -ve "$CONNECT_VAR" \
+        -ve "$GETTEXT_VAR" \
+        -ve "$OS_EXIT" \
+        -ve "$BUILTIN_TYPE" \
+        -ve "$ERROR_VBOX" \
+        -ve "$EXCEPTHOOK" | \
+$AWK '\
+# Strip out any "*** Module name" lines if we dont list any errors for them
+BEGIN { found=0; cur_line="" }
+{
+    if (found == 1) {
+        if ( /\*\*\*/ ) {
+            prev_line = $0
+        } else {
+            print prev_line
+            print $0
+            found = 0
+        }
+    } else if ( /\*\*\*/ ) {
+        found = 1
+        prev_line = $0
+    } else {
+        print $0
+    }
+}'
+
+cd - > /dev/null
+rm src/_virt-manager