sources: remove server and get method

The usage of the `sources.SourcesServer` and `sources.get` have
been removed from `Stage.run`, which was the only usage throughout
osbuild and thus it is not needed anymore and can be removed.

osbuild/sources.py

@@ -3,9 +3,7 @@ import importlib
 import json
 import subprocess
 
-from . import api
 from .objectstore import ObjectStore
-from .util import jsoncomm
 from .util.types import PathLike
 
 
@@ -13,6 +11,7 @@ class Source:
     """
     A single source with is corresponding options.
     """
+
     def __init__(self, info, items, options) -> None:
         self.info = info
         self.items = items or {}
@@ -56,54 +55,3 @@ class Source:
 
         if r.returncode != 0:
             raise RuntimeError(f"{source}: error {r.returncode}")
-
-
-class SourcesServer(api.BaseAPI):
-
-    endpoint = "sources"
-
-    def __init__(self, libdir, options, cache, output, *, socket_address=None):
-        super().__init__(socket_address)
-        self.libdir = libdir
-        self.cache = cache
-        self.output = output
-        self.options = options or {}
-
-    def _run_source(self, source, checksums):
-        msg = {
-            "items": {},
-            "options": self.options.get(source, {}),
-            "cache": self.cache,
-            "output": f"{self.output}/{source}",
-            "checksums": checksums,
-            "libdir": self.libdir
-        }
-
-        r = subprocess.run(
-            [f"{self.libdir}/sources/{source}"],
-            input=json.dumps(msg),
-            stdout=subprocess.PIPE,
-            encoding="utf-8",
-            check=False)
-
-        try:
-            return json.loads(r.stdout)
-        except ValueError:
-            return {"error": f"source returned malformed json: {r.stdout}"}
-
-    def _message(self, msg, fds, sock):
-        reply = self._run_source(msg["source"], msg["checksums"])
-        sock.send(reply)
-
-
-def get(source, checksums, api_path="/run/osbuild/api/sources"):
-    with jsoncomm.Socket.new_client(api_path) as client:
-        msg = {
-            "source": source,
-            "checksums": checksums
-        }
-        client.send(msg)
-        reply, _, _ = client.recv()
-        if "error" in reply:
-            raise RuntimeError(f"{source}: " + reply["error"])
-        return reply