1 files changed, 52 insertions, 0 deletions
diff --git a/mwlib/timeline.py b/mwlib/timeline.py
new file mode 100755
index 0000000..e85dd84
--- /dev/null
+++ b/mwlib/timeline.py
@@ -0,0 +1,52 @@
+#! /usr/bin/env python
+
+# Copyright (c) 2007-2008 PediaPress GmbH
+# See README.txt for additional licensing information.
+
+"""implement http://meta.wikimedia.org/wiki/EasyTimeline
+"""
+
+import os
+import tempfile
+try:
+    from hashlib import md5
+except ImportError:
+    from md5 import md5
+    
+
+def drawTimeline(script, basedir=None):
+    if isinstance(script, unicode):
+        script = script.encode('utf8')
+    if basedir is None:
+        basedir = os.path.join(tempfile.gettempdir(), "timeline-%s" % (os.getuid(),))
+    if not os.path.exists(basedir):
+        os.mkdir(basedir)
+        
+    m=md5()
+    m.update(script)
+    ident = m.hexdigest()
+
+    pngfile = os.path.join(basedir, ident+'.png')
+    
+    if os.path.exists(pngfile):
+        return pngfile
+
+    scriptfile = os.path.join(basedir, ident+'.txt')
+    open(scriptfile, 'w').write(script)
+    et = os.path.join(os.path.dirname(__file__), "EasyTimeline.pl")
+    
+    err = os.system("perl %s -P /usr/bin/ploticus -T /tmp/ -i %s" % (et, scriptfile))
+    if err != 0:
+        return None
+
+    svgfile = os.path.join(basedir, ident+'.svg')
+
+    if os.path.exists(svgfile):
+        os.unlink(svgfile)
+
+    if os.path.exists(pngfile):
+        return pngfile
+
+    return None
+
+