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 : 1.300.2025 ################################################################################ Copyright (c) René Vaessen / GenXdev Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ################################################################################> ############################################################################### <# .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 } } } |