use dict comprehension in slob.py and readmdict.py

pyglossary/plugin_lib/readmdict.py

@@ -154,11 +154,10 @@ def _read_int32(f):
 	@staticmethod
 	def _parse_header(header):
 		"""Extract attributes from <Dict attr="value" ... >."""
-		taglist = re.findall(rb'(\w+)="(.*?)"', header, re.DOTALL)
-		tagdict = {}
-		for key, value in taglist:
-			tagdict[key] = _unescape_entities(value)
-		return tagdict
+		return {
+			key: _unescape_entities(value)
+			for key, value in re.findall(rb'(\w+)="(.*?)"', header, re.DOTALL)
+		}
 
 	def _decode_block(self, block, decompressed_size):
 		# block info: compression, encryption
@@ -383,8 +382,10 @@ def _read_header(self):
 		self._stylesheet = {}
 		if header_tag.get("StyleSheet"):
 			lines = header_tag["StyleSheet"].splitlines()
-			for i in range(0, len(lines), 3):
-				self._stylesheet[lines[i]] = (lines[i + 1], lines[i + 2])
+			self._stylesheet = {
+				lines[i]: (lines[i + 1], lines[i + 2])
+				for i in range(0, len(lines), 3)
+			}
 
 		# before version 2.0, number is 4 bytes integer
 		# version 2.0 and above uses 8 bytes

pyglossary/slob.py

@@ -592,13 +592,11 @@ def read_header(_file: "MultiFileReader") -> Header:
 		raise UnknownCompression(compression)
 
 	def read_tags() -> "dict[str, str]":
-		tags: "dict[str, str]" = {}
 		count = reader.read_byte()
-		for _ in range(count):
-			key = reader.read_tiny_text()
-			value = reader.read_tiny_text()
-			tags[key] = value
-		return tags
+		return {
+			reader.read_tiny_text(): reader.read_tiny_text()
+			for _ in range(count)
+		}
 
 	tags = read_tags()