1 files changed, 61 insertions, 0 deletions
diff --git a/sort-library.py b/sort-library.py
new file mode 100755
index 0000000..331c81a
--- /dev/null
+++ b/sort-library.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+
+"""
+Sort the library file like KiCad does, to minimize diffs
+"""
+
+import os
+import re
+import sys
+import pprint
+
+def chunk_file(fd):
+    res = []
+    for this in fd.readlines():
+        res += [this]
+        if this.startswith('ENDDEF'):
+            if res[0] != '#\n':
+                res = ['#\n'] + res
+            name = res[1].split(' ')[1][:-1]
+            yield(name, ''.join(res))
+            res = []
+
+
+def sort_symbols(fn_in, fn_out, refdes):
+    in_ = open(fn_in)
+    out = open(fn_out, 'w')
+    fn = os.path.basename(fn_in)
+    print('Remapping symbols in in {}'.format(fn))
+    header = in_.readline() + in_.readline()
+    symbols = {}
+    for k, v in sorted(chunk_file(in_)):
+        symbols[k] = v
+
+    out.write(header)
+    for k in sorted(symbols.keys()):
+        out.write(symbols[k])
+    out.write('#End Library\n')
+    return True
+
+
+def main(libs):
+    refdes = {}
+    for this in sorted(libs):
+        if sort_symbols(this, this + '.tmp', refdes):
+            os.rename(this + '.tmp', this)
+
+    return True
+
+
+if __name__ == '__main__':
+    try:
+        if len(sys.argv) == 0:
+            sys.stderr.write('Syntax: sort-symbols.py *.lib\n')
+            sys.exit(1)
+        libs = [x for x in sys.argv if x.endswith('.lib')]
+        res = main(libs)
+        if res:
+            sys.exit(0)
+        sys.exit(1)
+    except KeyboardInterrupt:
+        pass