add update dialog

igniter/update_thread.py

@@ -0,0 +1,61 @@
+# -*- coding: utf-8 -*-
+"""Working thread for update."""
+from Qt.QtCore import QThread, Signal, QObject  # noqa
+
+from .bootstrap_repos import (
+    BootstrapRepos,
+    OpenPypeVersion
+)
+
+
+class UpdateThread(QThread):
+    """Install Worker thread.
+
+    This class takes care of finding OpenPype version on user entered path
+    (or loading this path from database). If nothing is entered by user,
+    OpenPype will create its zip files from repositories that comes with it.
+
+    If path contains plain repositories, they are zipped and installed to
+    user data dir.
+
+    """
+    progress = Signal(int)
+    message = Signal((str, bool))
+
+    def __init__(self, parent=None):
+        self._result = None
+        self._openpype_version = None
+        QThread.__init__(self, parent)
+
+    def set_version(self, openpype_version: OpenPypeVersion):
+        self._openpype_version = openpype_version
+
+    def result(self):
+        """Result of finished installation."""
+        return self._result
+
+    def _set_result(self, value):
+        if self._result is not None:
+            raise AssertionError("BUG: Result was set more than once!")
+        self._result = value
+
+    def run(self):
+        """Thread entry point.
+
+        Using :class:`BootstrapRepos` to either install OpenPype as zip files
+        or copy them from location specified by user or retrieved from
+        database.
+        """
+        bs = BootstrapRepos(
+            progress_callback=self.set_progress, message=self.message)
+        version_path = bs.install_version(self._openpype_version)
+        self._set_result(version_path)
+
+    def set_progress(self, progress: int) -> None:
+        """Helper to set progress bar.
+
+        Args:
+            progress (int): Progress in percents.
+
+        """
+        self.progress.emit(progress)