ENH: Add control for numpy random seed

Author: mgxd

nibabies/config.py

@@ -616,6 +616,8 @@ class seeds(_Config):
     """Master random seed to initialize the Pseudorandom Number Generator (PRNG)"""
     ants = None
     """Seed used for antsRegistration, antsAI, antsMotionCorr"""
+    numpy = None
+    """Seed used by NumPy"""
 
     @classmethod
     def init(cls):
@@ -626,6 +628,7 @@ def init(cls):
         random.seed(cls.master)  # initialize the PRNG
         # functions to set program specific seeds
         cls.ants = _set_ants_seed()
+        cls.numpy = _set_numpy_seed()
 
 
 def _set_ants_seed():
@@ -635,6 +638,15 @@ def _set_ants_seed():
     return val
 
 
+def _set_numpy_seed():
+    """NumPy's random seed is independant from Python's `random` module"""
+    import numpy as np
+
+    val = random.randint(1, 65536)
+    np.random.seed(val)
+    return val
+
+
 def from_dict(settings):
     """Read settings from a flat dictionary."""
     nipype.load(settings)