browser: parse browser history using browserexport (#216)

* browser: parse browser history using browserexport

from seanbreckenridge/HPI module:
1fba8ccf2f/my/browser/export.py

my/browser/active_browser.py

@@ -0,0 +1,50 @@
+"""
+Parses active browser history by backing it up with [[http://github.com/seanbreckenridge/sqlite_backup][sqlite_backup]]
+"""
+
+REQUIRES = ["browserexport", "sqlite_backup"]
+
+
+from my.config import browser as user_config
+from my.core import Paths, dataclass
+
+
+@dataclass
+class config(user_config.active_browser):
+    # paths to sqlite database files which you use actively
+    # to read from. For example:
+    # from browserexport.browsers.all import Firefox
+    # active_databases = Firefox.locate_database()
+    export_path: Paths
+
+
+from pathlib import Path
+from typing import Sequence, Iterator
+
+from my.core import get_files, Stats
+from browserexport.merge import read_visits, Visit
+from sqlite_backup import sqlite_backup
+
+from .common import _patch_browserexport_logs
+
+_patch_browserexport_logs()
+
+
+def inputs() -> Sequence[Path]:
+    return get_files(config.export_path)
+
+
+def history() -> Iterator[Visit]:
+    for ad in inputs():
+        conn = sqlite_backup(ad)
+        assert conn is not None
+        try:
+            yield from read_visits(conn)
+        finally:
+            conn.close()
+
+
+def stats() -> Stats:
+    from my.core import stat
+
+    return {**stat(history)}