fail.py

from flask import Flask


app = Flask(__name__)


@app.route('/foo/<path:bla>/')
def foo_path(bla):
    print 'foo_path', bla

@app.route('/foo/<xyz>/foobar')
def foobar(xyz):
    print 'foobar', xyz


app.run()

gistfile1.txt

>> http post http://127.0.0.1:5000/foo/123/foobar

HTTP/1.0 301 MOVED PERMANENTLY
Content-Length: 281
Content-Type: text/html; charset=utf-8
Date: Tue, 18 Jun 2013 14:49:25 GMT
Location: http://127.0.0.1:5000/foo/123/foobar/
Server: Werkzeug/0.9.1 Python/2.7.3