different backends can be selected

carichello.py

@@ -36,8 +36,14 @@ class RcloneBackend:
         """
         self.remote_name = remote_name
 
+    def actual_path(self, destination_path: str):
+        return destination_path
+
     def exists(self, destination_path: bytes):
-        destination = b"%s:%s" % (self.remote_name.encode("utf8"), self.actual_path(destination_path))
+        destination = b"%s:%s" % (
+            self.remote_name.encode("utf8"),
+            self.actual_path(destination_path),
+        )
         cmd = ["rclone", "--quiet", "lsjson", destination]
         try:
             output = subprocess.check_output(cmd)
@@ -58,6 +64,12 @@ class RcloneBackend:
         subprocess.run(cmd, check=True)
 
 
+class ArchiveBackend(RcloneBackend):
+    # XXX: there should be a way to "reserve" a bucket
+    #  with that, we could now the URL before copying
+    pass
+
+
 class ArkiwiBackend(RcloneBackend):
     def __init__(self, remote_name: str, prefix: str):
         super().__init__(remote_name)
@@ -77,6 +89,9 @@ class ArkiwiBackend(RcloneBackend):
         )
         return f"https://www.arkiwi.org/path64/{path}/redirect"
 
+    def exists(self, destination_path: bytes):
+        return False
+
     def copy(self, filename: Path, destination_path: bytes) -> str:
         """
         returns the URL
@@ -95,6 +110,13 @@ class ArkiwiBackend(RcloneBackend):
         return url
 
 
+BACKENDS = {
+    "arkiwi.org": ArkiwiBackend,
+    "archive.org": ArchiveBackend,
+    "default": ArkiwiBackend,
+}
+
+
 class Carichello:
     def __init__(self):
         self.parser = self.get_parser()
@@ -127,12 +149,24 @@ class Carichello:
         self.args = self.parser.parse_args()
         with self.args.config.open() as buf:
             self.config = json.load(buf)
+            self.config.setdefault("type", "default")
+        BackendCls = BACKENDS[self.config["type"]]
         now = datetime.datetime.now()
         dest_directory = f"/{now.year}/{now.month}"
         dest_file = f"{dest_directory}/{self.args.file.name}".encode("utf8")
-        backend = ArkiwiBackend(self.config["remote"], self.config["prefix"])
+        if (
+            BackendCls == ArkiwiBackend
+        ):  # XXX: reimplementa in modo che questo if non sia necessario
+            backend = BackendCls(self.config["remote"], self.config["prefix"])
+        else:
+            backend = BackendCls(self.config["remote"])
+
+        if hasattr(backend, "path_to_url"):
             url = backend.path_to_url(dest_file)
             LOG.info("file %s would be uploaded to %s", str(self.args.file), url)
+        else:
+            url = None
+            LOG.info("file %s would be uploaded", str(self.args.file))
         zenity = Popen(
             [
                 "zenity",

config.json

@@ -1,4 +1,5 @@
 {
+    "type": "arkiwi",
     "remote": "arkiwiOndaRossa",
     "prefix": "Radio_Onda_Rossa"
 }