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API to get FTS indexing progress

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Kovid Goyal 2022-04-28 12:34:44 +05:30
parent 0199dd15ba
commit afcaac89c6
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 23 additions and 6 deletions
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25
src/calibre/db/cache.py
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@ -431,24 +431,37 @@ class Cache:
self.fts_queue_thread = None
self.fts_job_queue = Queue()
self.backend.initialize_fts(weakref.ref(self))
if self.is_fts_enabled():
self.start_fts_pool()
def start_fts_pool(self):
from threading import Thread
self.fts_queue_thread = Thread(name='FTSQueue', target=Cache.dispatch_fts_jobs, args=(self.fts_job_queue, weakref.ref(self)), daemon=True)
self.fts_queue_thread.start()
self.backend.fts.pool.initialize()
self.backend.fts.pool.initialized.wait()
self.queue_next_fts_job()
@read_api
def is_fts_enabled(self):
return self.backend.fts_enabled
@read_api
def fts_indexing_progress(self):
if not self.is_fts_enabled():
return 0, 0
num_to_scan = self.backend.fts.number_dirtied()
if not num_to_scan:
return 0, 1
return num_to_scan, (self.backend.get('SELECT COUNT(*) FROM main.data')[0][0] or 0)
@write_api
def enable_fts(self, enabled=True, start_pool=True, mark_all_dirty=False):
fts = self.backend.enable_fts(weakref.ref(self) if enabled else None)
if fts and start_pool: # used in the tests
from threading import Thread
if mark_all_dirty:
fts.dirty_existing()
self.fts_queue_thread = Thread(name='FTSQueue', target=Cache.dispatch_fts_jobs, args=(self.fts_job_queue, weakref.ref(self)), daemon=True)
self.fts_queue_thread.start()
fts.pool.initialize()
fts.pool.initialized.wait()
self.queue_next_fts_job()
self.start_fts_pool()
if not fts and self.fts_queue_thread:
self.fts_job_queue.put(None)
self.fts_queue_thread = None

4
src/calibre/db/fts/connect.py
View File

@ -57,6 +57,10 @@ class FTS:
SELECT book, format FROM main.data;
''')
def number_dirtied(self):
conn = self.get_connection()
return conn.get('''SELECT COUNT(*) from fts_db.dirtied_formats''')[0][0]
def all_currently_dirty(self):
conn = self.get_connection()
return conn.get('''SELECT book, format from fts_db.dirtied_formats''', all=True)