Initial revision

Lib/idlelib/eventparse.py

@@ -0,0 +1,93 @@
+#! /usr/bin/env python
+
+"""Parse event definitions out of comments in source files."""
+
+import re
+import sys
+import os
+import string
+import getopt
+import glob
+import fileinput
+import pprint
+
+def main():
+    hits = []
+    sublist = []
+    args = sys.argv[1:]
+    if not args:
+        args = filter(lambda s: 'A' <= s[0] <= 'Z', glob.glob("*.py"))
+        if not args:
+            print "No arguments, no [A-Z]*.py files."
+            return 1
+    for line in fileinput.input(args):
+        if line[:2] == '#$':
+            if not sublist:
+                sublist.append('file %s' % fileinput.filename())
+                sublist.append('line %d' % fileinput.lineno())
+            sublist.append(string.strip(line[2:-1]))
+        else:
+            if sublist:
+                hits.append(sublist)
+                sublist = []
+    if sublist:
+        hits.append(sublist)
+        sublist = []
+    dd = {}
+    for sublist in hits:
+        d = {}
+        for line in sublist:
+            words = string.split(line, None, 1)
+            if len(words) != 2:
+                continue
+            tag = words[0]
+            l = d.get(tag, [])
+            l.append(words[1])
+            d[tag] = l
+        if d.has_key('event'):
+            keys = d['event']
+            if len(keys) != 1:
+                print "Multiple event keys in", d
+                print 'File "%s", line %d' % (d['file'], d['line'])
+            key = keys[0]
+            if dd.has_key(key):
+                print "Duplicate event in", d
+                print 'File "%s", line %d' % (d['file'], d['line'])
+                return
+            dd[key] = d
+        else:
+            print "No event key in", d
+            print 'File "%s", line %d' % (d['file'], d['line'])
+    winevents = getevents(dd, "win")
+    unixevents = getevents(dd, "unix")
+    save = sys.stdout
+    f = open("keydefs.py", "w")
+    try:
+        sys.stdout = f
+        print "windows_keydefs = \\"
+        pprint.pprint(winevents)
+        print
+        print "unix_keydefs = \\"
+        pprint.pprint(unixevents)
+    finally:
+        sys.stdout = save
+    f.close()
+
+def getevents(dd, key):
+    res = {}
+    events = dd.keys()
+    events.sort()
+    for e in events:
+        d = dd[e]
+        if d.has_key(key) or d.has_key("all"):
+            list = []
+            for x in d.get(key, []) + d.get("all", []):
+                list.append(x)
+                if key == "unix" and x[:5] == "<Alt-":
+                    x = "<Meta-" + x[5:]
+                    list.append(x)
+            res[e] = list
+    return res
+
+if __name__ == '__main__':
+    sys.exit(main())