Add toml config for ppvs (#54)

* configuration of variety of AE Titles, import staging directory and machine name

* sample toml config for ppvs

ppvs.toml

@@ -0,0 +1,12 @@
+# Default configuration file for ppvs
+
+## Application settings
+[DEFAULT]
+ ups_ae_title = "TMS"
+ qr_ae_title = "OST"
+ # Our AE Title
+ ae_title = "PPVS_SCP"
+ # Our listen port
+ # This directory contains the QR service's managed SOP Instances
+ import_staging_directory = "~/ppvs_import_staging"
+ machine = "CGTR"

tdwii_plus_examples/TDWII_PPVS_subscriber/ppvs_subscriber_widget.py

@@ -1,8 +1,10 @@
 #!/usr/bin/env python
 # This Python file uses the following encoding: utf-8
+import logging
 import sys
 from pathlib import Path
 
+import tomli
 from ppvsscp import PPVS_SCP
 from PySide6.QtCore import QDateTime, Qt, Slot # pylint: disable=no-name-in-module
 from PySide6.QtWidgets import QApplication, QFileDialog, QWidget
@@ -30,6 +32,35 @@ def __init__(self, parent=None):
  self.ui.step_status_combo_box.addItems(["SCHEDULED", "IN PROGRESS", "CANCELED", "COMPLETED", "ANY"])
  self.ui.subscribe_ups_checkbox.toggled.connect(self._toggle_subscription)
  self.watch_scu = None
+ config_file = "ppvs.toml"
+ # TODO: command line argument specifying a different config file
+ try:
+ with open(config_file, "rb") as f:
+ toml_dict = tomli.load(f)
+ if "DEFAULT" in toml_dict:
+ default_dict = toml_dict["DEFAULT"]
+
+ try:
+ if "ups_ae_title" in default_dict:
+ self.ui.ups_ae_line_edit.setText(default_dict["ups_ae_title"])
+ logging.debug("parsed ups_ae_title")
+ if "qr_ae_title" in default_dict:
+ self.ui.qr_ae_line_edit.setText(default_dict["qr_ae_title"])
+ if "ae_title" in default_dict:
+ self.ui.ppvs_ae_line_edit.setText(default_dict["ae_title"])
+ if "import_staging_directory" in default_dict:
+ raw_staging_dir = default_dict["import_staging_directory"]
+ expanded_staging_dir = str(Path(raw_staging_dir).expanduser())
+ self.ui.import_staging_dir_line_edit.setText(expanded_staging_dir)
+ if "machine" in default_dict:
+ machine_name = default_dict["machine"]
+ self.ui.machine_name_line_edit.setText(machine_name)
+ logging.warning("Completed Parsing of " + config_file)
+ except Exception:
+ warning_msg = f"Difficulty parsing config file {config_file}"
+ logging.warning(warning_msg)
+ except OSError as config_file_error:
+ logging.exception("Problem parsing config file: " + config_file_error)
 
  @Slot()
  def _import_staging_dir_clicked(self):
@@ -42,7 +73,7 @@ def _import_staging_dir_clicked(self):
  file_name = dialog.selectedFiles()[0]
  if file_name:
  path = Path(file_name)
- self.ui.import_staging_dir_line_edit.insert(str(path))
+ self.ui.import_staging_dir_line_edit.setText(str(path))
 
  @Slot()
  def _toggle_subscription(self):