Functions/GenXdev.AI.LMStudio/Start-LMStudioApplication.ps1
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Part of PowerShell module : GenXdev.AI.LMStudio Original cmdlet filename : Start-LMStudioApplication.ps1 Original author : René Vaessen / GenXdev Version : 1.268.2025 ################################################################################ MIT License Copyright 2021-2025 GenXdev Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ################################################################################> ############################################################################### <# .SYNOPSIS Starts the LM Studio application if it's not already running. .DESCRIPTION This function checks if LM Studio is installed and running. If not installed, it will install it. If not running, it will start it with the specified window visibility. .PARAMETER ShowWindow Determines if the LM Studio window should be visible after starting. .PARAMETER Passthru When specified, returns the Process object of the LM Studio application. .EXAMPLE Start-LMStudioApplication -ShowWindow -Passthru #> function Start-LMStudioApplication { [CmdletBinding(SupportsShouldProcess = $true)] param( ######################################################################## [Parameter( Mandatory = $false, HelpMessage = 'Return the Process object' )] [Alias('pt')] [switch]$Passthru, ######################################################################## [Parameter( Mandatory = $false, HelpMessage = 'Show LM Studio window after starting' )] [switch]$ShowWindow ######################################################################## ) begin { # verify lm studio installation Microsoft.PowerShell.Utility\Write-Verbose 'Checking LM Studio installation...' if (-not (GenXdev.AI\Test-LMStudioInstallation)) { if ($PSCmdlet.ShouldProcess('LM Studio', 'Install application')) { Microsoft.PowerShell.Utility\Write-Verbose 'LM Studio not found, initiating installation...' $null = GenXdev.AI\Install-LMStudioApplication } } } process { # check if we need to start or show the process if (-not (GenXdev.AI\Test-LMStudioProcess -ShowWindow:$ShowWindow) -or $ShowWindow) { Microsoft.PowerShell.Utility\Write-Verbose 'Preparing to start or show LM Studio...' # get installation paths $paths = GenXdev.AI\Get-LMStudioPaths # validate executable path if (-not $paths.LMStudioExe) { throw 'LM Studio executable could not be located' } if ($PSCmdlet.ShouldProcess('LM Studio', 'Start application')) { # start background job for non-blocking operation $jobParams = @{ ScriptBlock = { param($paths, $showWindow) # start server component $null = Microsoft.PowerShell.Management\Start-Process ` -FilePath $paths.LMSExe ` -ArgumentList 'server', 'start', '--port', '1234' Microsoft.PowerShell.Utility\Start-Sleep -Seconds 4 $null = Microsoft.PowerShell.Management\Start-Process ` -FilePath $paths.LMStudioExe Microsoft.PowerShell.Utility\Start-Sleep -Seconds 4 } ArgumentList = @($paths, ($ShowWindow -eq $true)) } $null = Microsoft.PowerShell.Core\Start-Job @jobParams | Microsoft.PowerShell.Core\Wait-Job # verify process starts within timeout period Microsoft.PowerShell.Utility\Write-Verbose 'Waiting for LM Studio process...' $timeout = 30 $timer = [System.Diagnostics.Stopwatch]::StartNew() while (-not (GenXdev.AI\Test-LMStudioProcess) -and ($timer.Elapsed.TotalSeconds -lt $timeout)) { Microsoft.PowerShell.Utility\Start-Sleep -Seconds 1 } if (-not (GenXdev.AI\Test-LMStudioProcess)) { throw "LM Studio failed to start within $timeout seconds" } } } # return process object if requested if ($Passthru) { Microsoft.PowerShell.Management\Get-Process -Name 'LM Studio' -ErrorAction Stop | Microsoft.PowerShell.Core\Where-Object -Property MainWindowHandle -NE 0 | Microsoft.PowerShell.Utility\Select-Object -First 1 } } } |