ci: support python 3.9 legacy get-pip bootstrap endpoint dynamically

.gitea/workflows/ci.yml

@@ -31,9 +31,16 @@ jobs:
             fi
           fi
 
-          # 2. Bootstrap pip via ensurepip or get-pip.py
+          # 2. Bootstrap pip via ensurepip or version-appropriate get-pip.py
           if ! python3 -m pip --version >/dev/null 2>&1; then
-            python3 -m ensurepip --default-pip 2>/dev/null || (python3 -c "import urllib.request; urllib.request.urlretrieve('https://bootstrap.pypa.io/get-pip.py', '/tmp/get-pip.py')" && python3 /tmp/get-pip.py --break-system-packages 2>/dev/null || python3 /tmp/get-pip.py 2>/dev/null || true)
+            python3 -m ensurepip --default-pip 2>/dev/null || python3 -c "
+import sys, urllib.request, subprocess
+ver = f'{sys.version_info.major}.{sys.version_info.minor}'
+url = f'https://bootstrap.pypa.io/pip/{ver}/get-pip.py' if sys.version_info < (3, 10) else 'https://bootstrap.pypa.io/get-pip.py'
+print(f'[*] Downloading get-pip.py from {url} for Python {ver}...')
+urllib.request.urlretrieve(url, '/tmp/get-pip.py')
+subprocess.run([sys.executable, '/tmp/get-pip.py', '--break-system-packages'])
+" || true
           fi
 
           # 3. Upgrade pip and install project dependencies

.gitea/workflows/release.yml

@@ -30,9 +30,16 @@ jobs:
             fi
           fi
 
-          # 2. Bootstrap pip via ensurepip or get-pip.py
+          # 2. Bootstrap pip via ensurepip or version-appropriate get-pip.py
           if ! python3 -m pip --version >/dev/null 2>&1; then
-            python3 -m ensurepip --default-pip 2>/dev/null || (python3 -c "import urllib.request; urllib.request.urlretrieve('https://bootstrap.pypa.io/get-pip.py', '/tmp/get-pip.py')" && python3 /tmp/get-pip.py --break-system-packages 2>/dev/null || python3 /tmp/get-pip.py 2>/dev/null || true)
+            python3 -m ensurepip --default-pip 2>/dev/null || python3 -c "
+import sys, urllib.request, subprocess
+ver = f'{sys.version_info.major}.{sys.version_info.minor}'
+url = f'https://bootstrap.pypa.io/pip/{ver}/get-pip.py' if sys.version_info < (3, 10) else 'https://bootstrap.pypa.io/get-pip.py'
+print(f'[*] Downloading get-pip.py from {url} for Python {ver}...')
+urllib.request.urlretrieve(url, '/tmp/get-pip.py')
+subprocess.run([sys.executable, '/tmp/get-pip.py', '--break-system-packages'])
+" || true
           fi
 
           # 3. Upgrade pip and install pyinstaller + dependencies