1 files changed, 13 insertions, 9 deletions

diff --git a/overlays/worktime/worktime/__main__.py b/overlays/worktime/worktime/__main__.py
index 2caf7604..35aef8f7 100755
--- a/overlays/worktime/worktime/__main__.py
+++ b/overlays/worktime/worktime/__main__.py
@@ -34,12 +34,9 @@ from pathlib import Path
 
 from collections import defaultdict
 
-import shelve
 import jsonpickle
 from hashlib import blake2s
 
-shelve_d = shelve.open(str(Path(BaseDirectory.save_cache_path('worktime')) / 'entry_durations'))
-
 class TogglAPISection(Enum):
     TOGGL = '/api/v8'
     REPORTS = '/reports/api/v2'
@@ -99,6 +96,7 @@ class TogglAPI(object):
         if client_ids is not None and not client_ids:
             return
 
+        cache_dir = Path(BaseDirectory.save_cache_path('worktime')) / 'entry_durations'
         step = timedelta(days = 120)
         for req_start in (start_date + step * i for i in count()):
             req_start = min(req_start, end_date)
@@ -110,7 +108,7 @@ class TogglAPI(object):
             # elif req_start > start_date:
             #   req_start = datetime.combine(req_start.astimezone(timezone.utc).date(), time(tzinfo=timezone.utc)) + timedelta(days = 1)
 
-            cache_key = None
+            cache_path = None
             if req_end + timedelta(days=60) < datetime.now().astimezone(timezone.utc):
                 cache_key = blake2s(jsonpickle.encode({
                     'start': req_start,
@@ -120,9 +118,13 @@ class TogglAPI(object):
                     'workspace': self._workspace_id,
                     'workspace_clients': self._client_ids
                 }).encode('utf-8'), key = self._api_token.encode('utf-8')).hexdigest()
-                if cache_key in shelve_d:
-                    yield from shelve_d[cache_key]
-                    continue
+                cache_path = cache_dir / cache_key[:2] / cache_key[2:4] / f'{cache_key[4:]}.json'
+                try:
+                    with cache_path.open('r', encoding='utf-8') as ch:
+                        yield from jsonpickle.decode(ch.read())
+                        continue
+                except FileNotFoundError:
+                    pass
 
             entries = list()
             params = { 'since': (req_start - timedelta(days=1)).astimezone(timezone.utc).isoformat(),
@@ -152,8 +154,10 @@ class TogglAPI(object):
                 if not report['data']:
                     break
 
-            if cache_key:
-                shelve_d[cache_key] = entries
+            if cache_path:
+                cache_path.parent.mkdir(parents=True, exist_ok=True)
+                with cache_path.open('w', encoding='utf-8') as ch:
+                    ch.write(jsonpickle.encode(entries))
             # res = timedelta(milliseconds=report['total_billable']) if report['total_billable'] else timedelta(milliseconds=0)
             # return res