python: Add ConfigKey.info and ConfigKey.<id> shortcuts.

[libsigrok.git] / bindings / python / sigrok / core / classes.py

diff --git a/bindings/python/sigrok/core/classes.py b/bindings/python/sigrok/core/classes.py
index e73c94cb8304af6ffa4f6f25d6ffd9826c523025..6b5325baa58a98fd8fc6d35a45a2fb28fc008a04 100644 (file)
--- a/bindings/python/sigrok/core/classes.py
+++ b/bindings/python/sigrok/core/classes.py
@@ -523,6 +523,33 @@ class Output(object):
     def __del__(self):
         check(self.format.struct.call_cleanup(self.struct))
 
+class ConfigInfo(object):
+
+    def __new__(cls, key):
+        struct = sr_config_info_get(key.id)
+        if not struct:
+            return None
+        obj = super(ConfigInfo, cls).__new__(cls)
+        obj.key = key
+        obj.struct = struct
+        return obj
+
+    @property
+    def datatype(self):
+        return DataType(self.struct.datatype)
+
+    @property
+    def id(self):
+        return self.struct.id
+
+    @property
+    def name(self):
+        return self.struct.name
+
+    @property
+    def description(self):
+        return self.struct.description
+
 class EnumValue(object):
 
     _enum_values = {}
@@ -562,6 +589,9 @@ class QuantityFlag(EnumValue):
 class ConfigKey(EnumValue):
     pass
 
+class DataType(EnumValue):
+    pass
+
 class ProbeType(EnumValue):
     pass
 
@@ -573,8 +603,14 @@ for symbol_name in dir(lowlevel):
         ('SR_UNIT_', Unit),
         ('SR_MQFLAG_', QuantityFlag),
         ('SR_CONF_', ConfigKey),
+        ('SR_T_', DataType),
         ('SR_PROBE_', ProbeType)]:
         if symbol_name.startswith(prefix):
             name = symbol_name[len(prefix):]
             value = getattr(lowlevel, symbol_name)
-            setattr(cls, name, cls(value))
+            obj = cls(value)
+            setattr(cls, name, obj)
+            if cls is ConfigKey:
+                obj.info = ConfigInfo(obj)
+                if obj.info:
+                    setattr(cls, obj.info.id, obj)