similar logic as in geom class

- filename is not part of the object
- transparent handling of files, strings, and path-like objects for file
IO

processing/post/addCauchy.py

@@ -39,4 +39,4 @@ for name in filenames:
     table.add_array('Cauchy',damask.mechanics.Cauchy(table.get_array(options.defgrad).reshape(-1,3,3),
                                                      table.get_array(options.stress).reshape(-1,3,3)).reshape(-1,9),
                     scriptID)
-    table.to_ASCII()
+    table.to_ASCII(name)

python/damask/table.py

@@ -6,9 +6,12 @@ import numpy as np
 class Table():
     """Read and write to ASCII tables"""
    
-    def __init__(self,name):
-        self.name = name
-        with open(self.name) as f:
+    def __init__(self,fname):
+        try:
+            f = open(fname)
+        except TypeError:
+            f = fname
+
         header,keyword = f.readline().split()
         if keyword == 'header':
             header = int(header)
@@ -56,7 +59,7 @@ class Table():
         self.data = pd.concat([self.data,new_data],axis=1)
         
 
-    def to_ASCII(self,name=None):
+    def to_ASCII(self,fname):
         labels = []
         for l in self.labels:
             if(self.shape[l] == (1,)):
@@ -72,6 +75,9 @@ class Table():
                + self.comments\
                + [' '.join(labels)]
 
-        with open(name if name is not None else self.name,'w') as f:
+        try:
+            f = open(fname,'w')
+        except TypeError:
+            f = fname
         for line in header: f.write(line+'\n')
         self.data.to_csv(f,sep=' ',index=False,header=False)