begin migrating code that can be reused from first iteration of this idea

portable_computing_toolkit_installer/ui/installer_wizard.py

@@ -0,0 +1,87 @@
+import platform
+import subprocess
+import tarfile
+import tempfile
+import webbrowser
+import zipfile
+from pathlib import Path
+from queue import Queue
+
+import psutil
+from PyQt5 import QtCore, QtGui, QtWebEngineWidgets, QtWidgets
+from PyQt5.uic import loadUi
+
+try:
+    import win32api
+    import win32file
+except ImportError:
+    if platform.system()=='Windows':
+        raise #require win32api and win32file on windows
+
+from validators.location_validator import Location_Validator
+
+class InstallerWizard(QtWidgets.QWizard):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        loadUi(Path(__file__).parent / "installer_wizard.ui", baseinstance=self)
+        self.button(QtWidgets.QWizard.NextButton).clicked.connect(self._requirements_check)
+        self.currentIdChanged.connect
+        self.intro.anchorClicked.connect(self._link_clicked)
+        self.license.anchorClicked.connect(self._link_clicked)
+        self.install_location.setValidator(Location_Validator(parent=self))
+        self.location_page.registerField("Location*", self.install_location)
+        self.browse_button.clicked.connect(self._link_clicked)
+        #Change button text on license page
+        self.license_page.setButtonText(QtWidgets.QWizard.NextButton, "Agree")
+        self.license_page.setButtonText(QtWidgets.QWizard.CancelButton, "Decline")
+
+    def _link_clicked(self, address):
+        """Receives anchorClicked signal from the intro or license text browsers and opens the address in an external web browser.
+        Opens an error message window if it is not able to do so.
+        
+        Arguments:
+            address {QtCore.QUrl} -- The URL from the received signal
+        """
+        try:
+            webbrowser.open(address.toString())
+        except webbrowser.Error as e:
+                message=QtWidgets.QMessageBox(icon=QtWidgets.QMessageBox.Critical,parent=self,text="Unable to launch external browser")
+                message.setDetailedText(str(e))
+                message.show()
+
+    def _select_location(self):
+        """Opens a QFileDialog in either the root of the most-recently connected non-network, non-cd drive or the user's home directory,
+        if no suitable external device is found
+        """
+        if platform.system() == 'Windows':
+            drives = [drive for drive in win32api.GetLogicalDriveStrings().split('\0') if drive]
+            dialog_location = drives.pop()
+            while (win32file.GetDriveType(dialog_location) == win32file.DRIVE_CDROM
+            or win32file.GetDriveType(dialog_location) == win32file.DRIVE_REMOTE):
+                dialog_location = drives.pop()
+                if dialog_location == "C:\\":
+                    dialog_location = Path.home()
+                    break
+        else:
+            dialog_location = Path.home()
+        selected_location = QtWidgets.QFileDialog.getExistingDirectory(parent=self,caption="Select Location",
+                                                                    directory=str(dialog_location),
+                                                                    options=(QtWidgets.QFileDialog.ShowDirsOnly))
+        self.__window.install_location.clear()
+        self.__window.install_location.insert(selected_location)
+
+    def _requirements_check(self):
+        """Checks that the minimum system requirements are met.  Opens error message and resets the wizard if they are not.
+        Minimum Requirements: Windows 7 or greater (64-bit)
+        """
+        if not platform.system() == 'Windows' or int(platform.release()) < 7:
+            QtWidgets.QMessageBox(icon=QtWidgets.QMessageBox.Critical,parent=self,text="This toolkit requires Microsoft Windows 7 or newer").show()
+            self.restart()
+            return False
+        elif not platform.machine() == 'AMD64':
+            QtWidgets.QMessageBox(icon=QtWidgets.QMessageBox.Critical,parent=self,text='''Parts of this toolkit require a 64-bit processor.  
+            Please open an issue on Github or Gitlab if you absolutely need it all 32-bit''').show()
+            self.restart()
+            return False
+        else:
+            return True

portable_computing_toolkit_installer/ui/installer_wizard.ui

@@ -0,0 +1,194 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>toolkit_installer</class>
+ <widget class="QWizard" name="toolkit_installer">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>610</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Minimum" vsizetype="MinimumExpanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>800</width>
+    <height>610</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Portable Computing Toolkit Installer</string>
+  </property>
+  <property name="windowIcon">
+   <iconset>
+    <normaloff>:/icons/toolbox.svg</normaloff>:/icons/toolbox.svg</iconset>
+  </property>
+  <property name="wizardStyle">
+   <enum>QWizard::ClassicStyle</enum>
+  </property>
+  <property name="options">
+   <set>QWizard::IndependentPages|QWizard::NoBackButtonOnLastPage|QWizard::NoBackButtonOnStartPage|QWizard::NoCancelButtonOnLastPage</set>
+  </property>
+  <widget class="QWizardPage" name="intro_page">
+   <property name="title">
+    <string>Portable Computing Toolkit Installer</string>
+   </property>
+   <property name="subTitle">
+    <string/>
+   </property>
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QTextBrowser" name="intro">
+      <property name="frameShape">
+       <enum>QFrame::NoFrame</enum>
+      </property>
+      <property name="frameShadow">
+       <enum>QFrame::Plain</enum>
+      </property>
+      <property name="html">
+       <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
+&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
+p, li { white-space: pre-wrap; }
+&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'MS Shell Dlg 2'; font-size:8pt; font-weight:400; font-style:normal;&quot;&gt;
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      </property>
+      <property name="textInteractionFlags">
+       <set>Qt::TextBrowserInteraction</set>
+      </property>
+      <property name="openExternalLinks">
+       <bool>false</bool>
+      </property>
+      <property name="openLinks">
+       <bool>false</bool>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QWizardPage" name="license_page">
+   <property name="title">
+    <string>Portable CS Toolkit Installer License Agreement</string>
+   </property>
+   <property name="subTitle">
+    <string/>
+   </property>
+   <layout class="QGridLayout" name="gridLayout">
+    <item row="0" column="0">
+     <widget class="QTextBrowser" name="license">
+      <property name="source">
+       <url>
+        <string>qrc:/resources/license.html</string>
+       </url>
+      </property>
+      <property name="openLinks">
+       <bool>false</bool>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QWizardPage" name="location_page">
+   <property name="title">
+    <string>Install Location</string>
+   </property>
+   <property name="subTitle">
+    <string>Choose a drive or folder to install the portable toolkit to:</string>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <widget class="QLineEdit" name="install_location">
+      <property name="clearButtonEnabled">
+       <bool>true</bool>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QPushButton" name="browse_button">
+      <property name="text">
+       <string>Browse...</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QWizardPage" name="selection_page">
+   <layout class="QHBoxLayout" name="horizontalLayout_8">
+    <item>
+     <widget class="QTreeWidget" name="treeWidget">
+      <attribute name="headerDefaultSectionSize">
+       <number>300</number>
+      </attribute>
+      <column>
+       <property name="text">
+        <string>Name</string>
+       </property>
+      </column>
+      <column>
+       <property name="text">
+        <string>Homepage</string>
+       </property>
+      </column>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QWizardPage" name="progress_page">
+   <layout class="QVBoxLayout" name="verticalLayout_4">
+    <item>
+     <spacer name="verticalSpacer">
+      <property name="orientation">
+       <enum>Qt::Vertical</enum>
+      </property>
+      <property name="sizeHint" stdset="0">
+       <size>
+        <width>20</width>
+        <height>40</height>
+       </size>
+      </property>
+     </spacer>
+    </item>
+    <item>
+     <widget class="QProgressBar" name="progress_bar">
+      <property name="minimum">
+       <number>0</number>
+      </property>
+      <property name="maximum">
+       <number>100</number>
+      </property>
+      <property name="value">
+       <number>0</number>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QLabel" name="progress_label">
+      <property name="text">
+       <string>Download Progress</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <spacer name="verticalSpacer_2">
+      <property name="orientation">
+       <enum>Qt::Vertical</enum>
+      </property>
+      <property name="sizeHint" stdset="0">
+       <size>
+        <width>20</width>
+        <height>40</height>
+       </size>
+      </property>
+     </spacer>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>