organize examples

This commit is largely based on work by Thiago Arrais (@thiagoarrais)
and Shane Bradfield (@l33tLumberjack). I wasn't really able to get their
PR reasonably merged onto the latest master, so I reapplied their changes
manually here and did some further improvements on that.

1 files changed, 11 insertions, 0 deletions

diff --git a/examples/simple/redirect_requests.py b/examples/simple/redirect_requests.py
new file mode 100644
index 00000000..51876df7
--- /dev/null
+++ b/examples/simple/redirect_requests.py
@@ -0,0 +1,11 @@
+"""
+This example shows two ways to redirect flows to another server.
+"""
+
+
+def request(flow):
+    # pretty_host takes the "Host" header of the request into account,
+    # which is useful in transparent mode where we usually only have the IP
+    # otherwise.
+    if flow.request.pretty_host == "example.org":
+        flow.request.host = "mitmproxy.org"