Remotely open and save files in Audacity

app/helpers.py

@@ -27,7 +27,7 @@ class AudacityManager:
     Manage comms with Audacity
     """
 
-    def __init__(self, path: str) -> None:
+    def __init__(self) -> None:
         """
         Open passed file in Audacity
 
@@ -37,15 +37,34 @@ class AudacityManager:
         self.to_pipe: str = "/tmp/audacity_script_pipe.to." + str(os.getuid())
         self.from_pipe: str = "/tmp/audacity_script_pipe.from." + str(os.getuid())
         self.eol: str = "\n"
-        self.path = path
+        self.path = None
-        self.do_command(f'Import2: Filename="{self.path}"')
 
-    def send_command(self, command: str) -> None:
+    def open_file(self, path):
+        """Open passed file in Audacity"""
+
+        self.path = path
+        response = self._do_command(f'Import2: Filename="{self.path}"')
+        return response
+
+    def export_file(self):
+        """Export current file"""
+
+        if not self.path:
+            return
+
+        sa_response = self._do_command("SelectAll:")
+        if sa_response == '\nBatchCommand finished: OK\n':
+            exp_response = self._do_command(f'Export2: Filename="{self.path}" NumChannels=2')
+            return exp_response
+        else:
+            print("SelectAll response: " + sa_response)
+
+    def _send_command(self, command: str) -> None:
         """Send a single command."""
         self.to_audacity.write(command + self.eol)
         self.to_audacity.flush()
 
-    def get_response(self) -> str:
+    def _get_response(self) -> str:
         """Return the command response."""
 
         result: str = ""
@@ -58,14 +77,14 @@ class AudacityManager:
                 break
         return result
 
-    def do_command(self, command: str) -> str:
+    def _do_command(self, command: str) -> str:
         """Send one command, and return the response."""
 
         with open(self.to_pipe, "w") as self.to_audacity, open(
             self.from_pipe, "rt"
         ) as self.from_audacity:
-            self.send_command(command)
+            self._send_command(command)
-            response = self.get_response()
+            response = self._get_response()
             return response
 
 

app/playlistmodel.py

@@ -29,7 +29,6 @@ from helpers import (
     file_is_unreadable,
     get_embedded_time,
     get_relative_date,
-    open_in_audacity,
     ms_to_mmss,
     set_track_metadata,
 )
@@ -1518,9 +1517,6 @@ class PlaylistProxyModel(QSortFilterProxyModel):
             header_row_number, existing_prd, note
         )
 
-    def open_in_audacity(self, row_number: int) -> None:
-        return self.data_model.open_in_audacity(row_number)
-
     def previous_track_ended(self) -> None:
         return self.data_model.previous_track_ended()
 

app/playlists.py

@@ -34,8 +34,8 @@ from classes import MusicMusterSignals, track_sequence
 from config import Config
 from helpers import (
     ask_yes_no,
+    AudacityManager,
     ms_to_mmss,
-    open_file_in_audacity,
     show_OK,
     show_warning,
 )
@@ -569,13 +569,10 @@ class PlaylistTab(QTableView):
         if not path:
             return
 
-        open_file_in_audacity(path)
+        audacity = AudacityManager()
-
+        audacity.open_file(path)
-        if ask_yes_no("Reimport file", "Click yes to reimport file, No to ignore"):
+        if ask_yes_no("Export file", "Click yes to export file, no to ignore"):
-            
+            audacity.export_file()
-
-
-
 
     def _rescan(self, row_number: int) -> None:
         """Rescan track"""