Simple Example of PyNN in Hy.

hynn_example.hy

(import [toolz.itertoolz.core [concat cons count drop mapcat partition partial take-nth]])
(import [toolz.functoolz.core [compose complement]])
; (import [pyrsistent [pvec pmap pset]]) ; persistent data structures for python
(import [matplotlib [pyplot :as plt]])
(import [pylab :as p])
(import [numpy :as np])
;(import [scipy [optimize :as opt]])
(import [pyNN.nest [setup
                    create
                    connect
                    IF_curr_exp
                    IF_cond_alpha
                    IF_cond_exp
                    SpikeSourceArray
                    StepCurrentSource
                    record_v
                    record_gsyn
                    run
                    end]])


(defn IF-curr-exp-exp [cell-conf step-curr file]
  (setup)
  (let [[cell (create IF_cond_alpha cell-conf)]
        [curr (StepCurrentSource (first step-curr)
                                 (second step-curr))]]
    (.inject cell curr)
    (record_v cell file)
    (run 250.0)
    (end)
    (.loadtxt np file)))


(def v-rest 0.515)


(def res (IF-curr-exp-exp
          {"v_thresh" -55.0
           "v_rest" v-rest
           "v_reset" -80
           "tau_m" 50
           "tau_refrac" 0.01}
          [[50.0 60.0]
           [1 0]]
          "StepCurrentSource_nest.v"))


(do (.plot plt res)
    (.show plt))