chore: add explicit utf-8 file encoding (#30)

Closes #25.

codeqai/cache.py

@@ -27,7 +27,9 @@ def to_json(self):
 
 
 def load_vector_cache(filename) -> Dict[str, VectorCache]:
-    with open(get_cache_path() + "/" + filename, "r") as vector_cache_file:
+    with open(
+        get_cache_path() + "/" + filename, "r", encoding="utf-8"
+    ) as vector_cache_file:
         vector_cache_json = json.load(vector_cache_file)
     vector_cache = {}
     for key, value in vector_cache_json.items():
@@ -36,7 +38,9 @@ def load_vector_cache(filename) -> Dict[str, VectorCache]:
 
 
 def save_vector_cache(vector_cache, filename):
-    with open(get_cache_path() + "/" + filename, "w") as vector_cache_file:
+    with open(
+        get_cache_path() + "/" + filename, "w", encoding="utf-8"
+    ) as vector_cache_file:
         json.dump(vector_cache, default=VectorCache.to_json, fp=vector_cache_file)
 
 

codeqai/codeparser.py

@@ -12,7 +12,7 @@ def parse_code_files(code_files: list[str]) -> list[Document]:
     documents = []
     code_splitter = None
     for code_file in code_files:
-        with open(code_file, "r") as file:
+        with open(code_file, "r", encoding="utf-8") as file:
             file_bytes = file.read().encode()
             commit_hash = repo.get_commit_hash(code_file)
 

codeqai/config.py

@@ -1,7 +1,5 @@
-import json
 import os
 import platform
-from pathlib import Path
 
 import inquirer
 import yaml
@@ -27,13 +25,13 @@ def get_config_path():
 
 
 def load_config():
-    with open(get_config_path(), "r") as config_file:
+    with open(get_config_path(), "r", encoding="utf-8") as config_file:
         config = yaml.safe_load(config_file)
     return config
 
 
 def save_config(config):
-    with open(get_config_path(), "w") as config_file:
+    with open(get_config_path(), "w", encoding="utf-8") as config_file:
         yaml.dump(config, config_file, default_flow_style=False)