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[downloader] Fix patching games with reused chunks

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This commit is contained in:
derrod 2020-04-21 19:56:34 +02:00
parent a2197aec12
commit c9961f4435
2 changed files with 10 additions and 6 deletions
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12
legendary/downloader/manager.py
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@ -146,12 +146,16 @@ class DLManager(Process):
break
continue
while task.chunk_guid in in_buffer:
res = in_buffer[task.chunk_guid]
while (task.chunk_guid in in_buffer) or task.chunk_file:
if task.chunk_file: # re-using from an old file
res_shm = None
else:
res = in_buffer[task.chunk_guid]
res_shm = res.shm
try:
self.writer_queue.put(WriterTask(
filename=current_file, shared_memory=res.shm,
filename=current_file, shared_memory=res_shm,
chunk_offset=task.chunk_offset, chunk_size=task.chunk_size,
chunk_guid=task.chunk_guid, release_memory=task.cleanup,
old_file=task.chunk_file # todo on-disk cache
@ -160,7 +164,7 @@ class DLManager(Process):
self.log.warning(f'Adding to queue failed: {e!r}')
break
if task.cleanup:
if task.cleanup and not task.chunk_file:
del in_buffer[task.chunk_guid]
try:

4
legendary/downloader/workers.py
View file

@ -172,7 +172,7 @@ class FileWorker(Process):
continue
try:
os.rename(os.path.join(self.base_path, j.temporary_filename), full_path)
os.rename(os.path.join(self.base_path, j.old_filename), full_path)
except OSError as e:
self.log.error(f'Renaming file failed: {e!r}')
self.o_q.put(WriterTaskResult(success=False, filename=j.filename))
@ -212,7 +212,7 @@ class FileWorker(Process):
post_write = time.time()
elif j.old_file:
pre_write = time.time()
with open(os.path.join(self.base_path, j.cache_file), 'rb') as f:
with open(os.path.join(self.base_path, j.old_file), 'rb') as f:
if j.chunk_offset:
f.seek(j.chunk_offset)
current_file.write(f.read(j.chunk_size))