Python filters beginning to work, still issues.

--HG--
branch : WINDOWSPORT

src/filters/rclrtf.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+import rclexecm
+import re
+import sys
+import os
+
+# Processing the output from unrtf
+class RTFProcessData:
+    def __init__(self, em):
+        self.em = em
+        self.out = ""
+        self.gothead = 0
+        self.patendhead = re.compile('''</head>''')
+        self.patcharset = re.compile('''^<meta http-equiv=''')
+
+    # Some versions of unrtf put out a garbled charset line.
+    # Apart from this, we pass the data untouched.
+    def takeLine(self, line):
+        if not self.gothead:
+            if self.patendhead.search(line):
+                self.out +=  '<meta http-equiv="Content-Type"' + \
+                             'content="text/html;charset=UTF-8">' + "\n"
+                self.out += line + "\n"
+                self.gothead = 1
+            elif not self.patcharset.search(line):
+                self.out += line + "\n"
+        else:
+            self.out += line + "\n"
+
+    def wrapData(self):
+        return self.out
+
+class RTFFilter:
+    def __init__(self, em):
+        self.em = em
+
+    def reset(self):
+        pass
+            
+    def getCmd(self, fn):
+        cmd = rclexecm.which("unrtf")
+        if cmd:
+            return ([cmd, "--nopict", "--html"], RTFProcessData(self.em))
+        else:
+            return ([],None)
+
+if __name__ == '__main__':
+    proto = rclexecm.RclExecM()
+    filter = RTFFilter(proto)
+    extract = rclexecm.Executor(proto, filter)
+    rclexecm.main(proto, extract)