Run file import in separate thread

app/config.py

@@ -54,6 +54,7 @@ class Config(object):
     NORMALISE_ON_IMPORT = True
     NOTE_TIME_FORMAT = "%H:%M:%S"
     ROOT = os.environ.get('ROOT') or "/home/kae/music"
+    IMPORT_DESTINATION = os.path.join(ROOT, "Singles")
     SCROLL_TOP_MARGIN = 3
     TESTMODE = True
     TOD_TIME_FORMAT = "%H:%M:%S"

app/musicmuster.py

@@ -4,6 +4,7 @@ import argparse
 import os.path
 import psutil
 import sys
+import threading
 import urllib.parse
 import webbrowser
 
@@ -24,6 +25,7 @@ from PyQt5.QtWidgets import (
     QLineEdit,
     QListWidgetItem,
     QMainWindow,
+    QMessageBox,
 )
 
 import dbconfig
@@ -420,14 +422,47 @@ class Window(QMainWindow, Ui_MainWindow):
         dlg = QFileDialog()
         dlg.setFileMode(QFileDialog.ExistingFiles)
         dlg.setViewMode(QFileDialog.Detail)
-        # TODO: remove hardcoded directory
-        dlg.setDirectory(os.path.join(Config.ROOT, "Singles"))
+        dlg.setDirectory(Config.IMPORT_DESTINATION)
         dlg.setNameFilter("Music files (*.flac *.mp3)")
 
         if dlg.exec_():
             with Session() as session:
+                txt: str = ""
+                new_tracks = []
                 for fname in dlg.selectedFiles():
-                    track = create_track_from_file(session, fname)
+                    tags = helpers.get_tags(fname)
+                    new_tracks.append((fname, tags))
+                    title = tags['title']
+                    artist = tags['artist']
+                    possible_matches = Tracks.search_titles(session, title)
+                    if possible_matches:
+                        txt += 'Similar to new track '
+                        txt += f'"{title}" by "{artist}":\n'
+                        for track in possible_matches:
+                            txt += f' "{track.title}" by {track.artist}\n'
+                        txt += "\n"
+                # Check whether to proceed if there were potential matches
+                if txt:
+                    txt += "Proceed with import?"
+                    result = QMessageBox.question(self,
+                                                  "Possible duplicates",
+                                                  txt,
+                                                  QMessageBox.Ok,
+                                                  QMessageBox.Cancel
+                                                  )
+                    if result == QMessageBox.Cancel:
+                        return
+
+                # Import in separate thread
+                thread = threading.Thread(target=self._import_tracks,
+                                          args=(session, new_tracks))
+                thread.start()
+
+    def _import_tracks(self, session: Session, tracks: list):
+        """Import passed files"""
+
+        for (fname, tags) in tracks:
+            track = create_track_from_file(session, fname, tags=tags)
             # Add to playlist on screen
             # If we don't specify "repaint=False", playlist will
             # also be saved to database

app/utilities.py

@@ -38,7 +38,6 @@ def main():
     group.add_argument('-f', '--full-update',
                        action="store_true", dest="full_update",
                        default=False, help="Update database")
-    group.add_argument('-i', '--import', dest="fname", help="Input file")
     args = p.parse_args()
 
     # Run as required
@@ -50,18 +49,13 @@ def main():
         DEBUG("Full update of database")
         with Session() as session:
             full_update_db(session)
-    elif args.fname:
-        fname = os.path.realpath(args.fname)
-        with Session() as session:
-            create_track_from_file(session, fname, interactive=True)
-
     else:
         INFO("No action specified")
 
     DEBUG("Finished")
 
 
-def create_track_from_file(session, path, normalise=None, interactive=False):
+def create_track_from_file(session, path, normalise=None, tags=None):
     """
     Create track in database from passed path, or update database entry
     if path already in database.
@@ -69,34 +63,14 @@ def create_track_from_file(session, path, normalise=None, interactive=False):
     Return track.
     """
 
-    if interactive:
-        msg = f"Importing {path}"
-        INFO(msg)
-        INFO("-" * len(msg))
-        INFO("Get track info...")
+    if not tags:
         t = get_tags(path)
-    title = t['title']
-    artist = t['artist']
-    if interactive:
-        INFO(f"    Title: \"{title}\"")
-        INFO(f"    Artist: \"{artist}\"")
-    # Check for duplicate
-    if interactive:
-        tracks = Tracks.search_titles(session, title)
-        if tracks:
-            print("Found the following possible matches:")
-            for track in tracks:
-                print(f'"{track.title}" by {track.artist}')
-                response = input("Continue [c] or abort [a]?")
-                if not response:
-                    return
-                if response[0].lower() not in ['c', 'y']:
-                    return
+    else:
+        t = tags
+
     track = Tracks.get_or_create(session, path)
-    track.title = title
-    track.artist = artist
-    if interactive:
-        INFO("Parse for start, fade and silence...")
+    track.title = t['title']
+    track.artist = t['artist']
     audio = get_audio_segment(path)
     track.duration = len(audio)
     track.start_gap = leading_silence(audio)
@@ -108,8 +82,6 @@ def create_track_from_file(session, path, normalise=None, interactive=False):
     session.commit()
 
     if normalise or normalise is None and Config.NORMALISE_ON_IMPORT:
-        if interactive:
-            INFO("Normalise...")
         # Check type
         ftype = os.path.splitext(path)[1][1:]
         if ftype not in ['mp3', 'flac']: