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Node / ReticulumProjects / LXMF.git / commits / 537f182


Commit 537f1823b637ca37be60a9754fbf44f3f65fea5f

󰉖 Browse tree at this commit

Parents : fc99010
Author : Mark Qvist <mark@unsigned.io>
Date : 2024-09-06T19:54:28+02:00

Added utility functions

Changes

1 files changed, 42 insertions(+), 1 deletions(-)

M LXMF/LXMF.py +42 -1

Diff

diff --git a/LXMF/LXMF.py b/LXMF/LXMF.py
index 8d79bf9..0fe4a2c 100644
--- a/LXMF/LXMF.py
+++ b/LXMF/LXMF.py
@@ -73,4 +73,45 @@ AM_OPUS_LOSSLESS = 0x19
# Custom, unspecified audio mode, the client must
# determine it itself based on the included data.
-AM_CUSTOM = 0xFF
\ No newline at end of file
+AM_CUSTOM = 0xFF
+
+
+##########################################################
+# The following helper functions makes it easier to #
+# handle and operate on LXMF data in client programs #
+##########################################################
+
+import RNS.vendor.umsgpack as msgpack
+def display_name_from_app_data(app_data=None):
+ if app_data == None:
+ return None
+ else:
+ # Version 0.5.0+ announce format
+ if (app_data[0] >= 0x90 and app_data[0] <= 0x9f) or app_data[0] == 0xdc:
+ peer_data = msgpack.unpackb(app_data)
+ if type(peer_data) == list:
+ if len(peer_data) < 1:
+ return None
+ else:
+ return peer_data[0].decode("utf-8")
+
+ # Original announce format
+ else:
+ return app_data.decode("utf-8")
+
+def stamp_cost_from_app_data(app_data=None):
+ if app_data == None:
+ return None
+ else:
+ # Version 0.5.0+ announce format
+ if (app_data[0] >= 0x90 and app_data[0] <= 0x9f) or app_data[0] == 0xdc:
+ peer_data = msgpack.unpackb(app_data)
+ if type(peer_data) == list:
+ if len(peer_data) < 2:
+ return None
+ else:
+ return peer_data[1]
+
+ # Original announce format
+ else:
+ return None
\ No newline at end of file


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