Initial commit.

Modules/posh-venv/posh-venv.psm1

@@ -0,0 +1,54 @@
+if (Get-Module posh-venv) { return }
+
+function CompleteVenvName {
+    param($commandName, $parameterName, $wordToComplete,
+        $commandAst, $fakeBoundParameters)
+
+    Get-ChildItem -Directory $env:WORKON_HOME
+    | ForEach-Object { $_.Name }
+    | Where-Object { $_ -Like "$wordToComplete*" }
+    | Sort-Object
+}
+
+
+function venv {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory = $true)]
+        [ValidateSet("list", "activate", "deactivate")]
+        $command,
+
+        [Parameter(Mandatory = $false)]
+        [ArgumentCompleter({ CompleteVenvName @args })]
+        $venv)
+    switch ($command) {
+        "list" {
+            Get-ChildItem -Directory $env:WORKON_HOME
+            | ForEach-Object {
+                $name = $_.Name
+                $version = (& "$_/Scripts/python.exe" --version)
+                Write-Output "${name}: $version"
+            }
+        }
+
+        "activate" {
+            if (Test-Path "$env:WORKON_HOME/$venv/Scripts/activate.ps1") {
+                & "$env:WORKON_HOME/$venv/Scripts/activate.ps1"
+            }
+            elseif ((!$venv -Or !$venv.Trim()) -And (Test-Path "venv/Scripts/activate.ps1")) {
+                & "venv/Scripts/activate.ps1"
+            }
+            else {
+                Write-Error "Environment '${venv}' does not exists."
+            }
+        }
+
+        "deactivate" {
+            deactivate
+        }
+
+        default {
+            Write-Error "Unknown venv command ${args[0]}."
+        }
+    }
+}