Add configs and config reader class

Author: tsterbak

openandroidinstaller/assets/configs/Samsung Galaxy A3 2017.yaml

@@ -0,0 +1,38 @@
+steps:
+  - title: "Unlock the bootloader"
+    type: confirm_button
+    content: "Turn on developer options and OEM Unlock on your phone."
+  - title: "Boot into recovery"
+    type: confirm_button
+    content: "Turn on your device and wait until its fully booted."
+  - title: "Boot into recovery"
+    type: call_button
+    content: "Reboot into bootloader"
+    command: "adb reboot download"
+  - title: "Boot into recovery"
+    type: call_button
+    content: "Flash custom recovery"
+    command: "heimdall flash --no-reboot --RECOVERY recovery"
+  - title: "Boot into recovery"
+    type: confirm_button
+    content: "Unplug the USB cable from your device. Manually reboot into recovery. Press the Volume Down + Power buttons for 8~10 seconds until the screen turns black & release the buttons immediately when it does, then boot to recovery with the device powered off, hold Volume Up + Home + Power."
+  - title: "Flash LineageOS"
+    type: confirm_button
+    content: "Now tap 'Wipe'. Then tap 'Format Data' and continue with the formatting process. This will remove encryption and delete all files stored in the internal storage."
+  - title: "Flash LineageOS"
+    type: confirm_button
+    content: "Return to the previous menu and tap 'Advanced Wipe', then select the 'Cache' and 'System' partitions and then 'Swipe to Wipe'."
+  - title: "Flash LineageOS"
+    type: confirm_button
+    content: "On the device, go back and select “Advanced”, “ADB Sideload”, then swipe to begin sideload. Then confirm here"
+  - title: "Flash LineageOS"
+    type: call_button
+    content: "Flash lineageOS image. Don't remove the USB-Cable!"
+    command: "adb sideload image"
+  - title: "Boot into recovery"
+    type: call_button
+    content: "Reboot into OS"
+    command: "adb reboot"
+  - title: "Successfully finished flashing"
+    type: text
+    content: "Have fun with LineageOS!"

openandroidinstaller/installer_config.py

@@ -0,0 +1,30 @@
+"""Class to load config files for the install procedure."""
+import yaml
+from typing import List
+
+
+class Step():
+
+    def __init__(self, title: str, type: str, content: str, command: str=None):
+        self.title = title
+        self.type = type
+        self.content = content
+        self.command = command
+
+
+class InstallerConfig():
+    
+    def __init__(self, steps: List[Step]):
+        self.steps = steps
+
+    @classmethod
+    def from_file(cls, path):
+        with open(path, "r") as stream:
+            try:
+                raw_steps = yaml.safe_load(stream)
+                raw_steps = dict(raw_steps)["steps"]
+            except yaml.YAMLError as exc:
+                print(exc)
+
+        steps = [Step(**raw_step) for raw_step in raw_steps]
+        return cls(raw_steps)

poetry.lock

@@ -13,6 +13,7 @@ black = "^22.8.0"
 ruff = "^0.0.25"
 pyinstaller = "^5.3"
 Pillow = "^9.2.0"
+PyYAML = "^6.0"
 
 [tool.poetry.dev-dependencies]