Add file interface

handel/interface.py

@@ -2,6 +2,9 @@
 
 from __future__ import absolute_import
 
+import os
+import configparser
+
 import numpy
 
 from .error import check_error
@@ -346,3 +349,21 @@ def get_handel_version():
 # int xiaMemStatistics(unsigned long *total, unsigned long *current, unsigned long *peak);
 # void xiaMemSetCheckpoint(void);
 # void xiaMemLeaks(char *);
+
+
+# Files
+
+def get_config_files(path):
+    """Return all the ini files in path (including subdirectories)."""
+    return [os.path.join(dp, f)
+            for dp, dn, fn in os.walk(path)
+            for f in fn
+            if f.endswith('.ini')]
+
+
+def get_config(filename):
+    """Read and return the given config file as a dictionary."""
+    config = configparser.ConfigParser(
+        comment_prefixes=['START', 'END', '#', '*****'])
+    config.read(filename)
+    return {key: dict(section) for key, section in config.items()}

tests/test_interface.py

@@ -456,3 +456,15 @@ def test_get_handel_version(interface):
     assert interface.get_handel_version() == (1, 2, 3)
     m.assert_called_once()
     # xiaGetVersionInfo does not return an error code
+
+
+# Files
+
+def test_get_config_files(interface):
+    assert interface.get_config_files('.') == ['./xmap.ini']
+
+
+def test_get_config(interface):
+    filename = interface.get_config_files('.')[0]
+    d = interface.get_config(filename)
+    assert d['detector definitions']['alias'] == 'detector1'