TUN-8504: Use pre-installed python version instead of downloading it …

…on Windows builds

Recently python.org started blocking our requests. We've asked the Devtools team to upgrade the default python installation to 3.10 so that we can use it in our tests

.teamcity/windows/component-test.ps1

@@ -5,41 +5,6 @@ $ProgressPreference = "SilentlyContinue"
 $WorkingDirectory = Get-Location
 $CloudflaredDirectory = "$WorkingDirectory\go\src\github.com\cloudflare\cloudflared"
 
-Write-Output "Installing python..."
-
-$PythonVersion = "3.10.11"
-$PythonZipFile = "$env:Temp\python-$PythonVersion-embed-amd64.zip"
-$PipInstallFile = "$env:Temp\get-pip.py"
-$PythonZipUrl = "https://www.python.org/ftp/python/$PythonVersion/python-$PythonVersion-embed-amd64.zip"
-$PythonPath = "$WorkingDirectory\Python"
-$PythonBinPath = "$PythonPath\python.exe"
-
-# Download Python zip file
-Invoke-WebRequest -Uri $PythonZipUrl -OutFile $PythonZipFile
-
-# Download Python pip file
-Invoke-WebRequest -Uri "https://bootstrap.pypa.io/get-pip.py" -OutFile $PipInstallFile
-
-# Extract Python files
-Expand-Archive $PythonZipFile -DestinationPath $PythonPath -Force
-
-# Add Python to PATH
-$env:Path = "$PythonPath\Scripts;$PythonPath;$($env:Path)"
-
-Write-Output "Installed to $PythonPath"
-
-# Install pip
-& $PythonBinPath $PipInstallFile
-
-# Add package paths in pythonXX._pth to unblock python -m pip
-$PythonImportPathFile = "$PythonPath\python310._pth"
-$ComponentTestsDir = "$CloudflaredDirectory\component-tests\"
-@($ComponentTestsDir, "Lib\site-packages", $(Get-Content $PythonImportPathFile)) | Set-Content $PythonImportPathFile
-
-# Test Python installation
-& $PythonBinPath --version
-& $PythonBinPath -m pip --version
-
 go env
 go version
 
@@ -48,8 +13,8 @@ $env:CGO_ENABLED = 1
 $env:TARGET_ARCH = "amd64"
 $env:Path = "$Env:Temp\go\bin;$($env:Path)"
 
-& $PythonBinPath --version
-& $PythonBinPath -m pip --version
+python --version
+python -m pip --version
 
 cd $CloudflaredDirectory
 
@@ -72,11 +37,11 @@ if ($LASTEXITCODE -ne 0) { throw "Failed unit tests" }
 
 Write-Output "Running component tests"
 
-& $PythonBinPath -m pip install --upgrade -r component-tests/requirements.txt
-& $PythonBinPath component-tests/setup.py --type create
-& $PythonBinPath -m pytest component-tests -o log_cli=true --log-cli-level=INFO
+python -m pip --disable-pip-version-check install --upgrade -r component-tests/requirements.txt
+python component-tests/setup.py --type create
+python -m pytest component-tests -o log_cli=true --log-cli-level=INFO
 if ($LASTEXITCODE -ne 0) {
-    & $PythonBinPath component-tests/setup.py --type cleanup
+    python component-tests/setup.py --type cleanup
     throw "Failed component tests"
 }
-& $PythonBinPath component-tests/setup.py --type cleanup
+python component-tests/setup.py --type cleanup