remove requests dependency

src/aexpy/preprocessing/download.py

@@ -6,11 +6,10 @@
 from pathlib import Path
 from typing import override
 from urllib import parse
+import urllib.request
 import os
 import subprocess
 
-import requests
-
 from ..models import Release
 from .wheel import CompatibilityTag
 from . import Preprocessor
@@ -254,7 +253,9 @@ def downloadRawWheel(
     if not cacheFile.exists():
         logger.info(f"Download wheel @ {url}.")
         try:
-            content = requests.get(url, timeout=60).content
+            req = urllib.request.Request(url)
+            with urllib.request.urlopen(req, timeout=60) as res:
+                content = res.read()
             if info.sha256:
                 if hashlib.sha256(content).hexdigest() != info.sha256:
                     raise Exception(f"Release download sha256 mismatch: {info}.")

src/aexpy/preprocessing/wheel.py

@@ -1,26 +1,12 @@
-import hashlib
-import platform
-import re
-import shutil
 from typing import override
 import zipfile
 from dataclasses import dataclass, field
-from datetime import datetime, timedelta
 from email.message import Message
 from email.parser import Parser
 from logging import Logger
 from pathlib import Path
-from urllib import parse
-import json
-
-import requests
-import wheel.metadata
 
 from aexpy import getCacheDirectory, utils
-from aexpy.models import Distribution
-
-from ..models import Distribution, Release
-from ..utils import elapsedTimer, ensureDirectory, logWithFile
 from . import Preprocessor
 
 FILE_ORIGIN = "https://files.pythonhosted.org/"