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Added compression support signalling

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Mark Qvist 2026-04-19 13:27:32 +02:00
commit 72932eea28
3 changed files with 49 additions and 26 deletions
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54
LXMF/LXMessage.py
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@ -7,7 +7,7 @@ import base64
import multiprocessing
import LXMF.LXStamper as LXStamper
from .LXMF import APP_NAME
from .LXMF import APP_NAME, compression_support_from_app_data
class LXMessage:
@ -113,35 +113,26 @@ class LXMessage:
def __init__(self, destination, source, content = "", title = "", fields = None, desired_method = None, destination_hash = None, source_hash = None, stamp_cost=None, include_ticket=False):
if isinstance(destination, RNS.Destination) or destination == None:
self.__destination = destination
if destination != None:
self.destination_hash = destination.hash
else:
self.destination_hash = destination_hash
else:
raise ValueError("LXMessage initialised with invalid destination")
self.__destination = destination
if destination != None: self.destination_hash = destination.hash
else: self.destination_hash = destination_hash
else: raise ValueError("LXMessage initialised with invalid destination")
if isinstance(source, RNS.Destination) or source == None:
self.__source = source
if source != None:
self.source_hash = source.hash
else:
self.source_hash = source_hash
else:
raise ValueError("LXMessage initialised with invalid source")
self.__source = source
if source != None: self.source_hash = source.hash
else: self.source_hash = source_hash
else: raise ValueError("LXMessage initialised with invalid source")
if title == None:
title = ""
if title == None: title = ""
if type(title) == bytes:
self.set_title_from_bytes(title)
else:
self.set_title_from_string(title)
if type(title) == bytes: self.set_title_from_bytes(title)
else: self.set_title_from_string(title)
if type(content) == bytes:
self.set_content_from_bytes(content)
else:
self.set_content_from_string(content)
if type(content) == bytes: self.set_content_from_bytes(content)
else: self.set_content_from_string(content)
self.set_fields(fields)
@ -151,6 +142,7 @@ class LXMessage:
self.hash = None
self.transient_id = None
self.packed = None
self.auto_compress = True
self.state = LXMessage.GENERATING
self.method = LXMessage.UNKNOWN
self.progress = 0.0
@ -467,6 +459,7 @@ class LXMessage:
def send(self):
self.determine_transport_encryption()
self.determine_compression_support()
if self.method == LXMessage.OPPORTUNISTIC:
lxm_packet = self.__as_packet()
@ -511,6 +504,15 @@ class LXMessage:
self.resource_representation = self.__as_resource()
self.progress = 0.10
def determine_compression_support(self):
app_data = RNS.Identity.recall_app_data(self.destination_hash)
if app_data: self.auto_compress = compression_support_from_app_data(app_data)
else: self.auto_compress = True
###### TODO: Remove debug logging
if app_data: RNS.log(f"Set compression support from app data to: {self.auto_compress}", RNS.LOG_DEBUG)
else: RNS.log(f"Defaulting compression support to {self.auto_compress}", RNS.LOG_DEBUG)
######
def determine_transport_encryption(self):
# TODO: These descriptions are old and outdated.
@ -646,7 +648,7 @@ class LXMessage:
raise ConnectionError("Tried to synthesize resource for LXMF message on a link that was not active")
if self.method == LXMessage.DIRECT:
return RNS.Resource(self.packed, self.__delivery_destination, callback = self.__resource_concluded, progress_callback = self.__update_transfer_progress)
return RNS.Resource(self.packed, self.__delivery_destination, callback = self.__resource_concluded, progress_callback = self.__update_transfer_progress, auto_compress=self.auto_compress)
elif self.method == LXMessage.PROPAGATED:
return RNS.Resource(self.propagation_packed, self.__delivery_destination, callback = self.__propagation_resource_concluded, progress_callback = self.__update_transfer_progress)
else: