track primordial goo frontends

contrib/frontends/py/README.md

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+# python nntpchan demo frontend #
+
+## usage ##
+
+add to nntpchan.json hooks section:
+
+    {
+      "name": "pyfront",
+      "exec": "/path/to/frontend.py"
+    }
+

contrib/frontends/py/frontend.py

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+#!/usr/bin/env python3
+import nntpchan
+import sys
+
+if __name__ == "__main__":
+    msgid = sys.argv[1]
+    group = sys.argv[2]
+    if nntpchan.addArticle(msgid, group):
+        nntpchan.regenerate(msgid, group)

contrib/frontends/py/nntpchan/__init__.py

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+
+from nntpchan import store
+from nntpchan import message
+from nntpchan import preprocess
+
+
+def addArticle(msgid, group):
+    """
+    add article to system
+    :return True if we need to regenerate otherwise False:
+    """
+    msg = None
+    # open message
+    with store.openArticle(msgid) as f:
+        # read article header
+        hdr = message.readHeader(f)
+
+        mclass = message.MultipartMessage
+        if hdr.isTextOnly:
+            # treat as text message instead of multipart
+            mclass = message.TextMessage
+        elif hdr.isSigned:
+            # treat as signed message
+            mclass = message.TripcodeMessage
+        # create messgae
+        msg = mclass(hdr, f)
+        
+    if msg is not None:
+        # we got a message that is valid
+        store.storeMessage(msg)
+    else:
+        # invalid message
+        print("invalid message: {}".format(msgid))
+    return msg is not None
+        
+        
+def regenerate(msgid, group):
+    """
+    regenerate markup
+    """
+    pass
+