add femir.py initial

src/fenrir.py

@@ -0,0 +1,38 @@
+#!/bin/python
+import hashlib
+import difflib
+import textwrap
+import os
+
+oldContentBytes = bytes()
+oldContentString = ''
+while(True):
+  vcs = open('/dev/vcs3','rb')
+  newContentBytes = vcs.read()
+  vcs.close()
+  newContentString = str(newContentBytes.decode('cp1252').encode('utf-8'))
+  newContentString = '\n'.join(textwrap.wrap(newContentString, 80)) 
+#  if oldContentBytes == b'':
+#    oldContentBytes = newContentBytes
+#    oldContentString = newContentString
+  if oldContentBytes != newContentBytes:
+    os.system('killall espeak')
+    print("tty3 changed")
+    print("old content hash " + hashlib.sha256(str(oldContentBytes).encode('utf-8')).hexdigest())
+    print("new content hash " + hashlib.sha256(str(newContentBytes).encode('utf-8')).hexdigest())
+    '''
+    for i, c in enumerate(newContent):
+      if c != oldContent[i]:
+        changedContent = newContent[i:]
+        break
+    '''
+    diff = difflib.ndiff(oldContentString, newContentString)
+    delta = ''.join(x[2:] for x in diff if x.startswith('+ '))
+    print("whats new")
+    print(delta)
+    os.system('espeak -v de ' + '"' + delta.replace('\n','').replace('"','').replace('-','') +  '"&')
+    #os.system('spd-say ' + '"' + delta.replace('\n','') + '"')
+
+    oldContentBytes = newContentBytes
+    oldContentString = newContentString
+