--export commandline option

overrides -i and -o to use saved fields from a project file

src/command.py

@@ -23,13 +23,20 @@ class Command(QtCore.QObject):
             epilog='EXAMPLE COMMAND:   main.py myvideotemplate.avp '
                         '-i ~/Music/song.mp3 -o ~/video.mp4 '
                         '-c 0 image path=~/Pictures/thisWeeksPicture.jpg '
-                        '-c 1 video "preset=My Logo" -c 2 vis layout=classic')
+                        '-c 1 video "preset=My Logo" -c 2 vis layout=classic'
+        )
         self.parser.add_argument(
             '-i', '--input', metavar='SOUND',
-            help='input audio file')
+            help='input audio file'
+        )
         self.parser.add_argument(
             '-o', '--output', metavar='OUTPUT',
-            help='output video file')
+            help='output video file'
+        )
+        self.parser.add_argument(
+            '-e', '--export', action='store_true',
+            help='use input and output files from project file'
+        )
 
         # optional arguments
         self.parser.add_argument(
@@ -46,7 +53,15 @@ class Command(QtCore.QObject):
         LoadDefaultSettings(self)
 
         if self.args.projpath:
-            self.core.openProject(self, self.args.projpath)
+            projPath = self.args.projpath
+            if not os.path.dirname(projPath):
+                projPath = os.path.join(
+                    self.settings.value("projectDir"),
+                    projPath
+                )
+            if not projPath.endswith('.avp'):
+                projPath += '.avp'
+            self.core.openProject(self, projPath)
             self.core.selectedComponents = list(
                 reversed(self.core.selectedComponents))
             self.core.componentListChanged()
@@ -70,13 +85,28 @@ class Command(QtCore.QObject):
                 for arg in args:
                     self.core.selectedComponents[i].command(arg)
 
-        if self.args.input and self.args.output:
-            self.createAudioVisualisation()
+        if self.args.export and self.args.projpath:
+            errcode, data = self.core.parseAvFile(projPath)
+            for line in data['WindowFields']:
+                if 'outputFile' in line:
+                    output = line.split('=', 1)[1]
+                    if not os.path.dirname(output):
+                        output = os.path.join(
+                            os.path.expanduser('~'),
+                            output
+                        )
+                if 'audioFile' in line:
+                    input = line.split('=', 1)[1]
+            self.createAudioVisualisation(input, output)
+
+        elif self.args.input and self.args.output:
+            self.createAudioVisualisation(self.args.input, self.args.output)
+
         elif 'help' not in sys.argv:
             self.parser.print_help()
             quit(1)
 
-    def createAudioVisualisation(self):
+    def createAudioVisualisation(self, input, output):
         self.videoThread = QtCore.QThread(self)
         self.videoWorker = video_thread.Worker(self)
         self.videoWorker.moveToThread(self.videoThread)
@@ -84,8 +114,8 @@ class Command(QtCore.QObject):
 
         self.videoThread.start()
         self.videoTask.emit(
-          self.args.input,
-          self.args.output,
+          input,
+          output,
           list(reversed(self.core.selectedComponents))
         )
 

src/components/video.py

@@ -90,7 +90,8 @@ class Video:
                         'This is a fatal error.' % os.path.basename(
                             self.videoPath
                         ),
-                    detail=str(e)
+                    detail=str(e),
+                    icon='Warning'
                 )
                 self.parent.stopVideo()
                 break

src/core.py

@@ -183,7 +183,9 @@ class Core():
                     for pair in data['WindowFields']:
                         widget, value = pair.split('=', 1)
                         widget = eval('loader.window.%s' % widget)
+                        widget.blockSignals(True)
                         widget.setText(value.strip())
+                        widget.blockSignals(False)
 
                 for pair in data['Settings']:
                     key, value = pair.split('=', 1)

src/mainwindow.py

@@ -229,7 +229,9 @@ class MainWindow(QtWidgets.QMainWindow):
                 project += '.avp'
             # open a project from the commandline
             if not os.path.dirname(project):
-                project = os.path.join(os.path.expanduser('~'), project)
+                project = os.path.join(
+                    self.settings.value("projectDir"), project
+                )
             self.currentProject = project
             self.settings.setValue("currentProject", project)
             if os.path.exists(self.autosavePath):
@@ -433,7 +435,8 @@ class MainWindow(QtWidgets.QMainWindow):
                 self.showMessage(
                     msg='Chosen filename matches a directory, which '
                         'cannot be overwritten. Please choose a different '
-                        'filename or move the directory.'
+                        'filename or move the directory.',
+                    icon='Warning',
                 )
                 return
         else:

src/preview_thread.py

@@ -58,7 +58,8 @@ class Worker(QtCore.QObject):
                         msg="Bad frame returned by %s's previewRender method. "
                             "This is a fatal error." %
                             str(component),
-                        detail=str(e)
+                        detail=str(e),
+                        icon='Warning'
                     )
                     quit(1)