lib: set component's initial log level when adding it to the graph

[babeltrace.git] / src / bindings / python / bt2 / bt2 / utils.py

diff --git a/src/bindings/python/bt2/bt2/utils.py b/src/bindings/python/bt2/bt2/utils.py
index bd8ebf8e9d841fdce79a7eff713b8f42d5646ea6..4329d93fa17565f31dcf4aaec06e33a5e1132c36 100644 (file)
--- a/src/bindings/python/bt2/bt2/utils.py
+++ b/src/bindings/python/bt2/bt2/utils.py
@@ -21,6 +21,7 @@
 # THE SOFTWARE.
 
 import bt2
+import bt2.logging
 
 
 def _check_bool(o):
@@ -49,18 +50,34 @@ def _check_type(o, expected_type):
                                                            expected_type))
 
 
-def _is_int64(v):
-    _check_int(v)
+def _is_in_int64_range(v):
+    assert(isinstance(v, int))
     return v >= -(2**63) and v <= (2**63 - 1)
 
 
-def _is_uint64(v):
-    _check_int(v)
+def _is_int64(v):
+    if not isinstance(v, int):
+        return False
+
+    return _is_in_int64_range(v)
+
+
+def _is_in_uint64_range(v):
+    assert(isinstance(v, int))
     return v >= 0 and v <= (2**64 - 1)
 
 
+def _is_uint64(v):
+    if not isinstance(v, int):
+        return False
+
+    return _is_in_uint64_range(v)
+
+
 def _check_int64(v, msg=None):
-    if not _is_int64(v):
+    _check_int(v)
+
+    if not _is_in_int64_range(v):
         if msg is None:
             msg = 'expecting a signed 64-bit integral value'
 
@@ -69,7 +86,9 @@ def _check_int64(v, msg=None):
 
 
 def _check_uint64(v, msg=None):
-    if not _is_uint64(v):
+    _check_int(v)
+
+    if not _is_in_uint64_range(v):
         if msg is None:
             msg = 'expecting an unsigned 64-bit integral value'
 
@@ -107,3 +126,20 @@ def _handle_ret(ret, msg=None):
 def _handle_ptr(ptr, msg=None):
     if ptr is None:
         _raise_bt2_error(msg)
+
+
+def _check_log_level(log_level):
+    _check_int(log_level)
+
+    log_levels = (
+        bt2.logging.LoggingLevel.VERBOSE,
+        bt2.logging.LoggingLevel.DEBUG,
+        bt2.logging.LoggingLevel.INFO,
+        bt2.logging.LoggingLevel.WARN,
+        bt2.logging.LoggingLevel.ERROR,
+        bt2.logging.LoggingLevel.FATAL,
+        bt2.logging.LoggingLevel.NONE,
+    )
+
+    if log_level not in log_levels:
+        raise ValueError("'{}' is not a valid logging level".format(log_level))