Changed tweets, added eca

template.py

@@ -0,0 +1,39 @@
+from eca import *
+
+import random
+
+## You might have to update the root path to point to the correct path
+## (by default, it points to <rules>_static)
+# root_content_path = 'template_static'
+
+
+# binds the 'setup' function as the action for the 'init' event
+# the action will be called with the context and the event
+@event('init')
+def setup(ctx, e):
+    ctx.count = 0
+    fire('sample', {'previous': 0.0})
+
+
+# define a normal Python function
+def clip(lower, value, upper):
+    return max(lower, min(value, upper))
+
+@event('sample')
+def generate_sample(ctx, e):
+    ctx.count += 1
+    if ctx.count % 50 == 0:
+        emit('debug', {'text': 'Log message #'+str(ctx.count)+'!'})
+
+    # base sample on previous one
+    sample = clip(-100, e.data['previous'] + random.uniform(+5.0, -5.0), 100)
+
+    # emit to outside world
+    emit('sample',{
+        'action': 'add',
+        'value': sample
+    })
+
+    # chain event
+    fire('sample', {'previous': sample}, delay=0.05)
+