Rename EGN to egn.py, fix style.

misc/EGN

@@ -1,33 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-
-'''Check if the given EGN (Bulgarian Universal Citizen Number) is valid.'''
-
-def EGNcheck(EGN):
-    '''Check if the given EGN (Bulgarian Universal Citizen Number) is valid.'''
-    if len(EGN) != 10:
-        return False
-    multipliers = (2, 4, 8, 5, 10, 9, 7, 3, 6)
-    sum = 0
-    for i in range(9):
-        sum += int(EGN[i]) * multipliers[i]
-    sum %= 11
-    if sum > 9:
-        sum = 0 # hmm? should it not just subtract 10?
-    # print "sum = %i, EGN[9] = %s" % (sum, EGN[9])
-    return int(EGN[9]) == sum
-
-if __name__ == '__main__':
-    import sys
-    if len(sys.argv) < 2:
-        print '''\
-This program check if the given EGN (Universal Citizen Number)
-is valid in Bulgaria. All EGNs are accepted as arguments.
-'''
-    else:
-        print "EGN check version 1.0, by Mr.700"
-        for arg in sys.argv[1:]:
-            if EGNcheck(arg):
-                print arg + " - OK"
-            else:
-                print arg + " - BAD"

misc/egn.py

@@ -0,0 +1,43 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+"""
+This program check if the given EGN (Universal Citizen Number)
+is valid in Bulgaria. All EGNs are accepted as arguments.
+
+You can also import egn_check from here.
+"""
+
+__version__   = "0.0.1"
+__author__    = "Doncho Gunchev <gunchev@gmail.com>"
+__depends__   = ["Python-2.3"]
+__copyright__ = "GPLv2+/BSD"
+
+def egn_check(egn):
+    '''Check if the given EGN (Bulgarian Universal Citizen Number) is valid.'''
+    if len(egn) != 10:
+        return False
+    multipliers = (2, 4, 8, 5, 10, 9, 7, 3, 6)
+    check_sum = 0
+    for i in range(9):
+        check_sum += int(egn[i]) * multipliers[i]
+    check_sum %= 11
+    if check_sum > 9:
+        check_sum = 0 # hmm? should it not just subtract 10?
+    # print "check_sum = %i, egn[9] = %s" % (check_sum, egn[9])
+    return int(egn[9]) == check_sum
+
+
+if __name__ == '__main__':
+    import sys
+    if len(sys.argv) < 2:
+        print "EGN check version " + __version__ + ", by Mr.700"
+        print
+        print __doc__.strip()
+    else:
+        print "EGN check version " + __version__ + ", by Mr.700"
+        for arg in sys.argv[1:]:
+            if egn_check(arg):
+                print arg + " - OK"
+            else:
+                print arg + " - BAD"