[windows] add backup pip install when no wheels are available

Author: charles-zablit

utils/build.ps1

@@ -338,26 +338,50 @@ $KnownPythons = @{
   }
 }
 
-$PythonWheels = @{
+$PythonModules = @{
   "packaging" = @{
-    File = "packaging-24.1-py3-none-any.whl";
-    URL = "https://files.pythonhosted.org/packages/08/aa/cc0199a5f0ad350994d660967a8efb233fe0416e4639146c089643407ce6/packaging-24.1-py3-none-any.whl";
-    SHA256 = "5b8f2217dbdbd2f7f384c41c628544e6d52f2d0f53c6d0c3ea61aa5d1d7ff124";
+    Wheel = @{
+      File = "packaging-24.1-py3-none-any.whl";
+      URL = "https://files.pythonhosted.org/packages/08/aa/cc0199a5f0ad350994d660967a8efb233fe0416e4639146c089643407ce6/packaging-24.1-py3-none-any.whl";
+      SHA256 = "5b8f2217dbdbd2f7f384c41c628544e6d52f2d0f53c6d0c3ea61aa5d1d7ff124";
+    };
+    Module = @{
+      Version = "24.1";
+      SHA256 = "026ed72c8ed3fcce5bf8950572258698927fd1dbda10a5e981cdf0ac37f4f002";
+    };
   };
   "distutils" = @{
-    File = "setuptools-75.1.0-py3-none-any.whl";
-    URL = "https://files.pythonhosted.org/packages/ff/ae/f19306b5a221f6a436d8f2238d5b80925004093fa3edea59835b514d9057/setuptools-75.1.0-py3-none-any.whl";
-    SHA256 = "35ab7fd3bcd95e6b7fd704e4a1539513edad446c097797f2985e0e4b960772f2";
+    Wheel = @{
+      File = "setuptools-75.1.0-py3-none-any.whl";
+      URL = "https://files.pythonhosted.org/packages/ff/ae/f19306b5a221f6a436d8f2238d5b80925004093fa3edea59835b514d9057/setuptools-75.1.0-py3-none-any.whl";
+      SHA256 = "35ab7fd3bcd95e6b7fd704e4a1539513edad446c097797f2985e0e4b960772f2";
+    };
+    Module = @{
+      Version = "75.1.0";
+      SHA256 = "d59a21b17a275fb872a9c3dae73963160ae079f1049ed956880cd7c09b120538";
+    };
   };
   "psutil" = @{
-    File = "psutil-6.1.0-cp37-abi3-win_amd64.whl";
-    URL = "https://files.pythonhosted.org/packages/11/91/87fa6f060e649b1e1a7b19a4f5869709fbf750b7c8c262ee776ec32f3028/psutil-6.1.0-cp37-abi3-win_amd64.whl";
-    SHA256 = "a8fb3752b491d246034fa4d279ff076501588ce8cbcdbb62c32fd7a377d996be";
+    Wheel = @{
+      File = "psutil-6.1.0-cp37-abi3-win_amd64.whl";
+      URL = "https://files.pythonhosted.org/packages/11/91/87fa6f060e649b1e1a7b19a4f5869709fbf750b7c8c262ee776ec32f3028/psutil-6.1.0-cp37-abi3-win_amd64.whl";
+      SHA256 = "a8fb3752b491d246034fa4d279ff076501588ce8cbcdbb62c32fd7a377d996be";
+    };
+    Module = @{
+      Version = "6.1.0";
+      SHA256 = "353815f59a7f64cdaca1c0307ee13558a0512f6db064e92fe833784f08539c7a";
+    };
   };
   "unittest2" = @{
-    File = "unittest2-1.1.0-py2.py3-none-any.whl";
-    URL = "https://files.pythonhosted.org/packages/72/20/7f0f433060a962200b7272b8c12ba90ef5b903e218174301d0abfd523813/unittest2-1.1.0-py2.py3-none-any.whl";
-    SHA256 = "13f77d0875db6d9b435e1d4f41e74ad4cc2eb6e1d5c824996092b3430f088bb8";
+    Wheel = @{
+      File = "unittest2-1.1.0-py2.py3-none-any.whl";
+      URL = "https://files.pythonhosted.org/packages/72/20/7f0f433060a962200b7272b8c12ba90ef5b903e218174301d0abfd523813/unittest2-1.1.0-py2.py3-none-any.whl";
+      SHA256 = "13f77d0875db6d9b435e1d4f41e74ad4cc2eb6e1d5c824996092b3430f088bb8";
+    };
+    Module = @{
+      Version = "1.1.0";
+      SHA256 = "22882a0e418c284e1f718a822b3b022944d53d2d908e1690b319a9d3eb2c0579";
+    }
   };
 }
 
@@ -1007,27 +1031,47 @@ function Get-Dependencies {
     }
   }
 
-  function Install-PythonWheel([string] $ModuleName) {
+  function Is-Python-Module-Installed([string] $ModuleName) {
     try {
       Invoke-Program -Silent "$(Get-PythonExecutable)" -c "import $ModuleName"
+      return $true;
+    } catch {
+      return $false;
+    }
+  }
+
+  function Install-PythonWheel([string] $ModuleName) {
+    $Wheel = $PythonModules[$ModuleName]["Wheel"]
+    DownloadAndVerify $Wheel.URL "$BinaryCache\python\$($Wheel.File)" $Wheel.SHA256
+    Write-Output "Installing '$($Wheel.File)' ..."
+    Invoke-Program -OutNull "$(Get-PythonExecutable)" '-I' -m pip install "$BinaryCache\python\$($Wheel.File)" --disable-pip-version-check
+  }
+
+  function Install-PythonModule([string] $ModuleName) {
+    if (Is-Python-Module-Installed $ModuleName) {
+      Write-Output "$ModuleName already installed."
+      return;
+    }
+    try {
+      Install-PythonWheel $ModuleName
     } catch {
-      $Wheel = $PythonWheels[$ModuleName]
-      DownloadAndVerify $Wheel.URL "$BinaryCache\python\$($Wheel.File)" $Wheel.SHA256
-      Write-Output "Installing '$($Wheel.File)' ..."
-      Invoke-Program -OutNull "$(Get-PythonExecutable)" '-I' -m pip install "$BinaryCache\python\$($Wheel.File)" --disable-pip-version-check
+      $TempRequirementsTxt = New-TemporaryFile
+      $Module = $PythonModules[$ModuleName]["Module"]
+      Write-Output "$ModuleName==$($Module.Version) --hash=`"sha256:$($Module.SHA256)`"" >> $TempRequirementsTxt
+      Invoke-Program -OutNull "$(Get-PythonExecutable)" '-I' -m pip install -r $TempRequirementsTxt --require-hashes --no-binary==:all: --disable-pip-version-check
     } finally {
       Write-Output "$ModuleName installed."
     }
   }
 
   function Install-PythonModules() {
     Install-PIPIfNeeded
-    Install-PythonWheel "packaging" # For building LLVM 18+
-    Install-PythonWheel "distutils" # Required for SWIG support
+    Install-PythonModule "packaging" # For building LLVM 18+
+    Install-PythonModule "distutils" # Required for SWIG support
     if ($Test -contains "lldb") {
-      Install-PythonWheel "psutil" # Required for testing LLDB
+      Install-PythonModule "psutil" # Required for testing LLDB
       $env:Path = "$(Get-PythonScriptsPath);$env:Path" # For unit.exe
-      Install-PythonWheel "unittest2" # Required for testing LLDB
+      Install-PythonModule "unittest2" # Required for testing LLDB
     }
   }