stash

stash/config/plugins/community/star_identifier/log.py

@@ -0,0 +1,52 @@
+import sys
+
+
+# Log messages sent from a plugin instance are transmitted via stderr and are
+# encoded with a prefix consisting of special character SOH, then the log
+# level (one of t, d, i, w, e, or p - corresponding to trace, debug, info,
+# warning, error and progress levels respectively), then special character
+# STX.
+#
+# The LogTrace, LogDebug, LogInfo, LogWarning, and LogError methods, and their equivalent
+# formatted methods are intended for use by plugin instances to transmit log
+# messages. The LogProgress method is also intended for sending progress data.
+#
+
+def __prefix(level_char):
+	start_level_char = b'\x01'
+	end_level_char = b'\x02'
+
+	ret = start_level_char + level_char + end_level_char
+	return ret.decode()
+
+
+def __log(level_char, s):
+	if level_char == "":
+		return
+
+	print(__prefix(level_char) + s + "\n", file=sys.stderr, flush=True)
+
+
+def LogTrace(s):
+	__log(b't', s)
+
+
+def LogDebug(s):
+	__log(b'd', s)
+
+
+def LogInfo(s):
+	__log(b'i', s)
+
+
+def LogWarning(s):
+	__log(b'w', s)
+
+
+def LogError(s):
+	__log(b'e', s)
+
+
+def LogProgress(p):
+	progress = min(max(0, p), 1)
+	__log(b'p', str(progress))