Add raspberryPI support

src/constants.py

@@ -12,6 +12,7 @@ class SupportedOs:
     WINDOWS = "windows"
     LINUX   = "linux"
     MAC     = "mac"
+    RASPBIAN = "raspberry"
 
 
 class Ftype:

src/downloadtargetfactory.py

@@ -49,6 +49,7 @@ class _TarExtractor:
 EXTRACTORS = {
     SupportedOs.WINDOWS: _ZipExtractor,
     SupportedOs.LINUX: _TarExtractor,
+    SupportedOs.RASPBIAN: _TarExtractor,
     # No extractor for MacOs, just download the file through the browser.
 }
 

src/os_utilities.py

@@ -1,4 +1,5 @@
 import sys
+import platform
 from constants import SupportedOs
 
 
@@ -20,6 +21,7 @@ def _is_linux_os():
 IS_MAC = _is_mac_os()
 IS_LINUX = _is_linux_os()
 IS_WINDOWS = _is_win_os()
+IS_RASPBIAN = IS_LINUX and 'arm' in platform.machine().lowercase()
 
 
 def get_os():
@@ -27,8 +29,10 @@ def get_os():
     if IS_WINDOWS:
         return SupportedOs.WINDOWS
     elif IS_LINUX:
+        if IS_RASPBIAN:
+            return SupportedOs.RASPBIAN
         return SupportedOs.LINUX
     elif IS_MAC:
         return SupportedOs.MAC
     else:
-        raise Exception("ERROR: OS not recognized.")
+        return None

src/updatescontroller.py

@@ -110,7 +110,7 @@ class UpdatesController(QObject):
         If so, ask to download the new version.
         If the software is not a compiled version, the function is a NOP."""
         if not IS_BINARY or IS_MAC:
-            return
+            return None
         latest_updater_version = self.version_controller.updater.version
         try:
             with sp.Popen(
@@ -124,7 +124,7 @@ class UpdatesController(QObject):
         except Exception:
             updater_version = latest_updater_version
         if latest_updater_version is None:
-            return
+            return None
         if updater_version != latest_updater_version:
             answer = pop_up(
                 self._owner,

src/versioncontroller.py

@@ -61,6 +61,20 @@ def _download_versions_file():
                 "size": ...
             }
         }
+        "raspberry": {
+            "software": {
+                "version": "...",
+                "url": "...",
+                "hash_code": "...",
+                "size": ...
+            },
+            "updater": {
+                "version": "...",
+                "url": "...",
+                "hash_code": "...",
+                "size": ...
+            }
+        }
     }
     """
     return json.load(