[app] change imports to package imports

nixview/central_widget.py

@@ -3,11 +3,11 @@ from PyQt5.QtWidgets import QComboBox, QFrame, QGroupBox, QHBoxLayout, QLabel, Q
 from PyQt5.QtGui import QPixmap
 from PyQt5.QtCore import QItemSelectionModel, Qt, QSettings, pyqtSignal
 
-from file_handler import FileHandler, ItemDescriptor
-from plot_screen import PlotScreen
-import communicator as comm
-import constants as cnst
-from tree_model import NixTreeView, TreeModel, TreeType
+from nixview.file_handler import FileHandler, ItemDescriptor
+from nixview.plot_screen import PlotScreen
+import nixview.communicator as comm
+import nixview.constants as cnst
+from nixview.tree_model import NixTreeView, TreeModel, TreeType
 
 class CentralWidget(QWidget):
     

nixview/communicator.py

@@ -1,4 +1,4 @@
-from tree_model import NixTreeItem
+from nixview.tree_model import NixTreeItem
 from PyQt5.QtCore import QObject, pyqtSignal
 
 class Communicate(QObject):

nixview/constants.py

@@ -1,3 +1,5 @@
+import os
+
 organization = "nixio"
 application = "nixview"
 version = 0.1
@@ -5,3 +7,6 @@ version = 0.1
 settings_recent_files_key = "/".join([organization, application, "recent_files"])
 settings_recent_file_max_count_key =  "/".join([organization, application, "recent_files_max_count"])
 settings_recent_file_max_count = 10
+
+PACKAGE_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
+ICONS_FOLDER = os.path.join(PACKAGE_ROOT, "icons")

nixview/main_window.py

@@ -3,10 +3,11 @@ from PyQt5.QtWidgets import QWidget, QFileDialog, QMainWindow, QMenuBar, QToolBa
 from PyQt5.QtGui import QIcon, QKeySequence
 from PyQt5.QtCore import QSize, QSettings, Qt
 
-from file_handler import FileHandler, NodeType
-import constants as cnst
-import communicator as comm
-from central_widget import CentralWidget
+from nixview.file_handler import FileHandler, NodeType
+import nixview.constants as cnst
+import nixview.communicator as comm
+from nixview.central_widget import CentralWidget
+
 
 class NixView(QMainWindow):
     

nixview/nixview.py

@@ -1,7 +1,7 @@
 #!/usr/bin/python3
 import sys
 from PyQt5.QtWidgets import QApplication
-from main_window import NixView
+from nixview.main_window import NixView
 import argparse
 
 def main():

nixview/tree_model.py

@@ -3,7 +3,7 @@ from PyQt5.QtGui import QIcon
 from PyQt5.QtWidgets import QTreeView, QTreeWidgetItem, QAbstractItemView, QHeaderView
 from enum import Enum
 
-from file_handler import ItemDescriptor, NodeType
+from nixview.file_handler import ItemDescriptor, NodeType
 
 column_names = ['Name', 'Type', 'Value', 'Description', 'ID',]