Moved the encoding map building logic from the individual mapping
codec files to codecs.py and added logic so that multi mappings
in the decoding maps now result in mappings to None (undefined mapping)
in the encoding maps.
diff --git a/Lib/encodings/cp037.py b/Lib/encodings/cp037.py
index 5868372..3b641bb 100644
--- a/Lib/encodings/cp037.py
+++ b/Lib/encodings/cp037.py
@@ -277,6 +277,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1006.py b/Lib/encodings/cp1006.py
index 593fbb6..0a3c3af 100644
--- a/Lib/encodings/cp1006.py
+++ b/Lib/encodings/cp1006.py
@@ -135,6 +135,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1026.py b/Lib/encodings/cp1026.py
index 3796a75..cce5af6 100644
--- a/Lib/encodings/cp1026.py
+++ b/Lib/encodings/cp1026.py
@@ -277,6 +277,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1250.py b/Lib/encodings/cp1250.py
index 03a3e31..39cbc33 100644
--- a/Lib/encodings/cp1250.py
+++ b/Lib/encodings/cp1250.py
@@ -120,6 +120,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1251.py b/Lib/encodings/cp1251.py
index e27a122..4d4b6ee 100644
--- a/Lib/encodings/cp1251.py
+++ b/Lib/encodings/cp1251.py
@@ -154,6 +154,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1252.py b/Lib/encodings/cp1252.py
index 5d7bdd6..647f907 100644
--- a/Lib/encodings/cp1252.py
+++ b/Lib/encodings/cp1252.py
@@ -73,6 +73,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1253.py b/Lib/encodings/cp1253.py
index abc144c..bfb4723 100644
--- a/Lib/encodings/cp1253.py
+++ b/Lib/encodings/cp1253.py
@@ -148,6 +148,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1254.py b/Lib/encodings/cp1254.py
index 4a2ab3c..dc662ed 100644
--- a/Lib/encodings/cp1254.py
+++ b/Lib/encodings/cp1254.py
@@ -79,6 +79,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1255.py b/Lib/encodings/cp1255.py
index c987b85..6f70654 100644
--- a/Lib/encodings/cp1255.py
+++ b/Lib/encodings/cp1255.py
@@ -140,6 +140,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1256.py b/Lib/encodings/cp1256.py
index d72c5bc..40ed577 100644
--- a/Lib/encodings/cp1256.py
+++ b/Lib/encodings/cp1256.py
@@ -126,6 +126,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1257.py b/Lib/encodings/cp1257.py
index d17a904..baaf367 100644
--- a/Lib/encodings/cp1257.py
+++ b/Lib/encodings/cp1257.py
@@ -128,6 +128,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp1258.py b/Lib/encodings/cp1258.py
index 597f124..9a2827d 100644
--- a/Lib/encodings/cp1258.py
+++ b/Lib/encodings/cp1258.py
@@ -87,6 +87,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp424.py b/Lib/encodings/cp424.py
index bc10379..4689996 100644
--- a/Lib/encodings/cp424.py
+++ b/Lib/encodings/cp424.py
@@ -277,6 +277,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp437.py b/Lib/encodings/cp437.py
index db1b88a..a55e424 100644
--- a/Lib/encodings/cp437.py
+++ b/Lib/encodings/cp437.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp500.py b/Lib/encodings/cp500.py
index 1c8fb57..bc1acde 100644
--- a/Lib/encodings/cp500.py
+++ b/Lib/encodings/cp500.py
@@ -277,6 +277,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp737.py b/Lib/encodings/cp737.py
index 03665ae..6174d85 100644
--- a/Lib/encodings/cp737.py
+++ b/Lib/encodings/cp737.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp775.py b/Lib/encodings/cp775.py
index b38ccb5..ee56f01 100644
--- a/Lib/encodings/cp775.py
+++ b/Lib/encodings/cp775.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp850.py b/Lib/encodings/cp850.py
index e26287b..dd23187 100644
--- a/Lib/encodings/cp850.py
+++ b/Lib/encodings/cp850.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp852.py b/Lib/encodings/cp852.py
index 431d844..38df00f 100644
--- a/Lib/encodings/cp852.py
+++ b/Lib/encodings/cp852.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp855.py b/Lib/encodings/cp855.py
index c9e7168..764fe1a 100644
--- a/Lib/encodings/cp855.py
+++ b/Lib/encodings/cp855.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp856.py b/Lib/encodings/cp856.py
index cc2e01f..9d09c09 100644
--- a/Lib/encodings/cp856.py
+++ b/Lib/encodings/cp856.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp857.py b/Lib/encodings/cp857.py
index 6f4df23..5c84bb8 100644
--- a/Lib/encodings/cp857.py
+++ b/Lib/encodings/cp857.py
@@ -168,6 +168,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp860.py b/Lib/encodings/cp860.py
index 057d918..a721ea3 100644
--- a/Lib/encodings/cp860.py
+++ b/Lib/encodings/cp860.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp861.py b/Lib/encodings/cp861.py
index 8db3b40..ccf26b7 100644
--- a/Lib/encodings/cp861.py
+++ b/Lib/encodings/cp861.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp862.py b/Lib/encodings/cp862.py
index 1cac3e2..8f6d111 100644
--- a/Lib/encodings/cp862.py
+++ b/Lib/encodings/cp862.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp863.py b/Lib/encodings/cp863.py
index ecdc391..3596e64 100644
--- a/Lib/encodings/cp863.py
+++ b/Lib/encodings/cp863.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp864.py b/Lib/encodings/cp864.py
index 861fb00..f510a26 100644
--- a/Lib/encodings/cp864.py
+++ b/Lib/encodings/cp864.py
@@ -167,6 +167,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp865.py b/Lib/encodings/cp865.py
index 4d9010d..cc4f719 100644
--- a/Lib/encodings/cp865.py
+++ b/Lib/encodings/cp865.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp866.py b/Lib/encodings/cp866.py
index 6a8b0b0..518eede 100644
--- a/Lib/encodings/cp866.py
+++ b/Lib/encodings/cp866.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp869.py b/Lib/encodings/cp869.py
index 65d2b2e..2e3ad35 100644
--- a/Lib/encodings/cp869.py
+++ b/Lib/encodings/cp869.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp874.py b/Lib/encodings/cp874.py
index 31f4d3d..c43e20b 100644
--- a/Lib/encodings/cp874.py
+++ b/Lib/encodings/cp874.py
@@ -168,6 +168,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/cp875.py b/Lib/encodings/cp875.py
index 3500446..5e74873 100644
--- a/Lib/encodings/cp875.py
+++ b/Lib/encodings/cp875.py
@@ -278,6 +278,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_1.py b/Lib/encodings/iso8859_1.py
index f4c0bf7..cea2261 100644
--- a/Lib/encodings/iso8859_1.py
+++ b/Lib/encodings/iso8859_1.py
@@ -41,6 +41,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_10.py b/Lib/encodings/iso8859_10.py
index c43c653..f29ebd2 100644
--- a/Lib/encodings/iso8859_10.py
+++ b/Lib/encodings/iso8859_10.py
@@ -87,6 +87,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_13.py b/Lib/encodings/iso8859_13.py
index 2ab5292..e0c4ae4 100644
--- a/Lib/encodings/iso8859_13.py
+++ b/Lib/encodings/iso8859_13.py
@@ -97,6 +97,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_14.py b/Lib/encodings/iso8859_14.py
index 5533e96..c84bb23 100644
--- a/Lib/encodings/iso8859_14.py
+++ b/Lib/encodings/iso8859_14.py
@@ -72,6 +72,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_15.py b/Lib/encodings/iso8859_15.py
index 7bffff4..bf92acb 100644
--- a/Lib/encodings/iso8859_15.py
+++ b/Lib/encodings/iso8859_15.py
@@ -49,6 +49,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_2.py b/Lib/encodings/iso8859_2.py
index 481f9a0..1c92a54 100644
--- a/Lib/encodings/iso8859_2.py
+++ b/Lib/encodings/iso8859_2.py
@@ -98,6 +98,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_3.py b/Lib/encodings/iso8859_3.py
index c2820ad..ac8c8d9 100644
--- a/Lib/encodings/iso8859_3.py
+++ b/Lib/encodings/iso8859_3.py
@@ -76,6 +76,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_4.py b/Lib/encodings/iso8859_4.py
index 30d6ca6..91db126 100644
--- a/Lib/encodings/iso8859_4.py
+++ b/Lib/encodings/iso8859_4.py
@@ -91,6 +91,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_5.py b/Lib/encodings/iso8859_5.py
index 2bdaa50..96cb073 100644
--- a/Lib/encodings/iso8859_5.py
+++ b/Lib/encodings/iso8859_5.py
@@ -135,6 +135,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_6.py b/Lib/encodings/iso8859_6.py
index 585fa11..298c2d5 100644
--- a/Lib/encodings/iso8859_6.py
+++ b/Lib/encodings/iso8859_6.py
@@ -134,6 +134,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_7.py b/Lib/encodings/iso8859_7.py
index 48f1bd5..eea3abf 100644
--- a/Lib/encodings/iso8859_7.py
+++ b/Lib/encodings/iso8859_7.py
@@ -121,6 +121,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_8.py b/Lib/encodings/iso8859_8.py
index a19aa67..45b2ada 100644
--- a/Lib/encodings/iso8859_8.py
+++ b/Lib/encodings/iso8859_8.py
@@ -109,6 +109,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/iso8859_9.py b/Lib/encodings/iso8859_9.py
index a278905..ad0c190 100644
--- a/Lib/encodings/iso8859_9.py
+++ b/Lib/encodings/iso8859_9.py
@@ -47,6 +47,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/koi8_r.py b/Lib/encodings/koi8_r.py
index c28004e..242d0c4 100644
--- a/Lib/encodings/koi8_r.py
+++ b/Lib/encodings/koi8_r.py
@@ -169,6 +169,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/mac_cyrillic.py b/Lib/encodings/mac_cyrillic.py
index 4552831..6ae4a30 100644
--- a/Lib/encodings/mac_cyrillic.py
+++ b/Lib/encodings/mac_cyrillic.py
@@ -164,6 +164,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/mac_greek.py b/Lib/encodings/mac_greek.py
index b7040c4..839cf61 100644
--- a/Lib/encodings/mac_greek.py
+++ b/Lib/encodings/mac_greek.py
@@ -167,6 +167,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/mac_iceland.py b/Lib/encodings/mac_iceland.py
index f20e134..284580c 100644
--- a/Lib/encodings/mac_iceland.py
+++ b/Lib/encodings/mac_iceland.py
@@ -163,6 +163,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/mac_latin2.py b/Lib/encodings/mac_latin2.py
index 0fba502..e922178 100644
--- a/Lib/encodings/mac_latin2.py
+++ b/Lib/encodings/mac_latin2.py
@@ -167,6 +167,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/mac_roman.py b/Lib/encodings/mac_roman.py
index 6d048a3..23dca89 100644
--- a/Lib/encodings/mac_roman.py
+++ b/Lib/encodings/mac_roman.py
@@ -164,6 +164,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/mac_turkish.py b/Lib/encodings/mac_turkish.py
index c81a864..c71268b 100644
--- a/Lib/encodings/mac_turkish.py
+++ b/Lib/encodings/mac_turkish.py
@@ -164,6 +164,4 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
diff --git a/Lib/encodings/rot_13.py b/Lib/encodings/rot_13.py
index 8c54811..532ff64 100644
--- a/Lib/encodings/rot_13.py
+++ b/Lib/encodings/rot_13.py
@@ -93,9 +93,7 @@
### Encoding Map
-encoding_map = {}
-for k,v in decoding_map.items():
- encoding_map[v] = k
+encoding_map = codecs.make_encoding_map(decoding_map)
### Filter API