Fix code style issues and update linting configuration

- Add noqa comments for intentional imports in __init__.py
- Remove duplicate draw function definition in base.py
- Remove unused 'os' import from draw.py
- Replace lambda assignment with proper function definition in draw.py
- Fix unused exception variables in hypergraph.py
- Fix comparison operators (== None/True/False) in test files
- Add .flake8 configuration file with max-line-length = 119
- Update isort configuration to use correct parameter name (line_length)
- Format all files with black and isort

Author: yifanfeng97

.flake8

@@ -0,0 +1,3 @@
+[flake8]
+max-line-length = 119
+extend-ignore = E203, W503

.github/workflows/ci.yml

@@ -28,6 +28,7 @@ jobs:
       uses: astral-sh/setup-uv@v5
       with:
         version: "latest"
+        enable-cache: true
 
     - name: Set up Python ${{ matrix.python-version }}
       run: uv python install ${{ matrix.python-version }}
@@ -65,6 +66,7 @@ jobs:
       uses: astral-sh/setup-uv@v5
       with:
         version: "latest"
+        enable-cache: true
 
     - name: Set up Python
       run: uv python install 3.11

.github/workflows/docs.yml

@@ -36,6 +36,7 @@ jobs:
       uses: astral-sh/setup-uv@v5
       with:
         version: "latest"
+        enable-cache: true
 
     - name: Set up Python
       run: uv python install 3.11

.github/workflows/quality.yml

@@ -24,7 +24,6 @@ jobs:
       with:
         version: "latest"
         enable-cache: true
-        cache-dependency-glob: "**/uv.lock"
 
     - name: Set up Python
       run: uv python install 3.11

.github/workflows/release.yml

@@ -22,6 +22,7 @@ jobs:
       uses: astral-sh/setup-uv@v5
       with:
         version: "latest"
+        enable-cache: true
 
     - name: Set up Python
       run: uv python install 3.11

.gitignore

@@ -4,6 +4,7 @@ __pycache__/
 *$py.class
 *.DS_Store
 logs/
+.vscode/
 
 
 # C extensions

hyperdb/__init__.py

@@ -1,7 +1,7 @@
-from ._global import AUTHOR_EMAIL
-from .base import BaseHypergraphDB
-from .hypergraph import HypergraphDB
+from ._global import AUTHOR_EMAIL  # noqa: F401
+from .base import BaseHypergraphDB  # noqa: F401
+from .hypergraph import HypergraphDB  # noqa: F401
 
 __version__ = "0.2.0"
 
-__all__ = {"AUTHOR_EMAIL", "BaseHypergraphDB", "HypergraphDB"}
+__all__ = ["AUTHOR_EMAIL", "BaseHypergraphDB", "HypergraphDB"]

hyperdb/base.py

@@ -17,7 +17,8 @@ def save(self, file_path: Union[str, Path]):
         Save the hypergraph to a file.
 
         Args:
-            ``file_path`` (``Union[str, Path]``): The file path to save the hypergraph.
+            ``file_path`` (``Union[str, Path]``): The file path to save the
+                hypergraph.
         """
         raise NotImplementedError
 
@@ -233,14 +234,6 @@ def nbr_v(self, v_id: Any) -> list:
         """
         raise NotImplementedError
 
-    def draw(
-        self,
-    ):
-        r"""
-        Draw the hypergraph.
-        """
-        raise NotImplementedError
-
     def sub(self, v_name_list: List[str]):
         r"""
         Return the sub-hypergraph.

hyperdb/draw.py

@@ -1,6 +1,5 @@
 import http.server
 import json
-import os
 import socketserver
 import threading
 import webbrowser
@@ -233,7 +232,9 @@ def start_server(self, open_browser: bool = True):
         """Start HTTP server with API endpoints"""
 
         def run_server():
-            handler = lambda *args, **kwargs: HypergraphAPIHandler(self.hypergraph_db, *args, **kwargs)
+            def handler(*args, **kwargs):
+                return HypergraphAPIHandler(self.hypergraph_db, *args, **kwargs)
+
             self.httpd = socketserver.TCPServer(("127.0.0.1", self.port), handler)
             self.httpd.serve_forever()
 

hyperdb/hypergraph.py

@@ -38,7 +38,7 @@ def load(self, storage_file: Path) -> dict:
             self._v_inci = data.get("v_inci", {})
             self._e_data = data.get("e_data", {})
             return True
-        except Exception as e:
+        except Exception:
             return False
 
     def save(self, storage_file: Path) -> dict:
@@ -54,7 +54,7 @@ def save(self, storage_file: Path) -> dict:
             with open(storage_file, "wb") as f:
                 pkl.dump(data, f)
             return True
-        except Exception as e:
+        except Exception:
             return False
 
     def _clear_cache(self):