Correct Ruff target version, enable UP, autofix

Author: akx

docker/utils/socket.py

@@ -64,7 +64,7 @@ def read_exactly(socket, n):
     Reads exactly n bytes from socket
     Raises SocketError if there isn't enough data
     """
-    data = bytes()
+    data = b""
     while len(data) < n:
         next_data = read(socket, n - len(data))
         if not next_data:
@@ -152,7 +152,7 @@ def consume_socket_output(frames, demux=False):
     if demux is False:
         # If the streams are multiplexed, the generator returns strings, that
         # we just need to concatenate.
-        return bytes().join(frames)
+        return b"".join(frames)
 
     # If the streams are demultiplexed, the generator yields tuples
     # (stdout, stderr)

docker/utils/utils.py

@@ -152,7 +152,7 @@ def convert_volume_binds(binds):
             ]
             if 'propagation' in v and v['propagation'] in propagation_modes:
                 if mode:
-                    mode = ','.join([mode, v['propagation']])
+                    mode = f"{mode},{v['propagation']}"
                 else:
                     mode = v['propagation']
 

pyproject.toml

@@ -5,14 +5,16 @@ requires = ["setuptools>=45", "setuptools_scm[toml]>=6.2"]
 write_to = 'docker/_version.py'
 
 [tool.ruff]
-target-version = "py37"
+target-version = "py38"
 extend-select = [
     "B",
     "C",
     "F",
+    "UP",
     "W",
 ]
 ignore = [
+    "UP012",  # unnecessary `UTF-8` argument (we want to be explicit)
     "C901",  # too complex (there's a whole bunch of these)
 ]
 

tests/integration/api_build_test.py

@@ -389,9 +389,7 @@ def test_build_stderr_data(self):
         lines = []
         for chunk in stream:
             lines.append(chunk.get('stream'))
-        expected = '{0}{2}\n{1}'.format(
-            control_chars[0], control_chars[1], snippet
-        )
+        expected = f'{control_chars[0]}{snippet}\n{control_chars[1]}'
         assert any(line == expected for line in lines)
 
     def test_build_gzip_encoding(self):

tests/ssh/api_build_test.py

@@ -380,9 +380,7 @@ def test_build_stderr_data(self):
         lines = []
         for chunk in stream:
             lines.append(chunk.get('stream'))
-        expected = '{0}{2}\n{1}'.format(
-            control_chars[0], control_chars[1], snippet
-        )
+        expected = f'{control_chars[0]}{snippet}\n{control_chars[1]}'
         assert any(line == expected for line in lines)
 
     def test_build_gzip_encoding(self):

tests/unit/api_test.py

@@ -82,7 +82,7 @@ def fake_delete(self, url, *args, **kwargs):
 
 
 def fake_read_from_socket(self, response, stream, tty=False, demux=False):
-    return bytes()
+    return b''
 
 
 url_base = f'{fake_api.prefix}/'