Add Python3 server and fix import issue in tutorial

Author: joe-campbell

docs/notebooks/3_indepth_tutorial.ipynb

@@ -319,7 +319,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "In this case, we can see that AIC and BIC both chose the `GaussianModel` with degree 9 and variance 0.1 as the best model. This is a very reasonable selection since the synthetic handwriting data is actually generated from a `GaussianModel` with 8 functions and 0.1 variance (see `create_2d_handwriting_data` in `temporal_robustness.py`). Note that the selection is influenced by the noise in the data as well as the model noise used by Selection when calculating the log-likelihood (by default that is set to 0.05).\n",
+    "In this case, we can see that AIC and BIC both chose the `GaussianModel` with degree 9 and variance 0.1 as the best model. This is a very reasonable selection since the synthetic handwriting data is actually generated from a `GaussianModel` with 8 functions and 0.1 variance (see `create_2d_handwriting_data` in `examples/tutorial.py`). Note that the selection is influenced by the noise in the data as well as the model noise used by Selection when calculating the log-likelihood (by default that is set to 0.05).\n",
     "\n",
     "### Utilizing multiple basis spaces\n",
     "\n",

intprim/examples/tutorial.py

@@ -1,12 +1,16 @@
 import copy
 import intprim
-import IPython.display
 import matplotlib.pyplot as plt
 import matplotlib.animation
 import numpy as np
 import numpy.random
 import sklearn.metrics
 
+try:
+    import IPython.display
+except:
+    pass
+
 animation_plots = []
 
 def create_2d_handwriting_data(num_trajectories, translation_mean, translation_std, noise_std, length_mean, length_std):
@@ -198,3 +202,4 @@ def evaluate_trajectories(primitive, filter, test_trajectories, observation_nois
         print("Mean DoF MSE: " + str(mean_mse / mse_count) + ". Phase MAE: " + str(phase_mae / mse_count))
 
         # animate_results(all_gen_trajectories, all_test_trajectories, mean_trajectory)
+

intprim/util/server.py renamed to intprim/util/server2.py

@@ -0,0 +1,11 @@
+from http.server import HTTPServer, SimpleHTTPRequestHandler, test
+
+import sys
+
+class CORSRequestHandler (SimpleHTTPRequestHandler):
+    def end_headers (self):
+        self.send_header('Access-Control-Allow-Origin', '*')
+        SimpleHTTPRequestHandler.end_headers(self)
+
+if __name__ == '__main__':
+    test(CORSRequestHandler, HTTPServer, port=int(sys.argv[1]) if len(sys.argv) > 1 else 8000, bind = "127.0.0.1")