refactor: load and dump object moved to misc

pyerrors/misc.py

@@ -1,7 +1,40 @@
+import pickle
 import numpy as np
 from .obs import Obs
 
 
+def dump_object(obj, name, **kwargs):
+    """Dump object into pickle file.
+
+    Parameters
+    ----------
+    obj : object
+        object to be saved in the pickle file
+    name : str
+        name of the file
+    path : str
+        specifies a custom path for the file (default '.')
+    """
+    if 'path' in kwargs:
+        file_name = kwargs.get('path') + '/' + name + '.p'
+    else:
+        file_name = name + '.p'
+    with open(file_name, 'wb') as fb:
+        pickle.dump(obj, fb)
+
+
+def load_object(path):
+    """Load object from pickle file.
+
+    Parameters
+    ----------
+    path : str
+        path to the file
+    """
+    with open(path, 'rb') as file:
+        return pickle.load(file)
+
+
 def gen_correlated_data(means, cov, name, tau=0.5, samples=1000):
     """ Generate observables with given covariance and autocorrelation times.