1 files changed, 23 insertions, 0 deletions
diff --git a/examples/simple/filter_flows.py b/examples/simple/filter_flows.py
new file mode 100644
index 00000000..29d0a9b8
--- /dev/null
+++ b/examples/simple/filter_flows.py
@@ -0,0 +1,23 @@
+"""
+This scripts demonstrates how to use mitmproxy's filter pattern in scripts.
+Usage:
+    mitmdump -s "flowfilter.py FILTER"
+"""
+import sys
+from mitmproxy import flowfilter
+
+
+class Filter:
+    def __init__(self, spec):
+        self.filter = flowfilter.parse(spec)
+
+    def response(self, flow):
+        if flowfilter.match(self.filter, flow):
+            print("Flow matches filter:")
+            print(flow)
+
+
+def start():
+    if len(sys.argv) != 2:
+        raise ValueError("Usage: -s 'filt.py FILTER'")
+    return Filter(sys.argv[1])