feat: dependency parse

src/PipManager/Models/AppConfigModels/EnvironmentItem.cs

@@ -8,14 +8,16 @@ public EnvironmentItem()
     {
     }
 
-    public EnvironmentItem(string pipVersion, string pythonPath, string pythonVersion)
+    public EnvironmentItem(string pipVersion, string pythonPath, string pythonVersion, string pythonDllPath)
     {
         PipVersion = pipVersion;
         PythonPath = pythonPath;
         PythonVersion = pythonVersion;
+        PythonDllPath = pythonDllPath;
     }
 
     [JsonProperty("pipVersion")] public string? PipVersion { get; set; }
     [JsonProperty("pythonPath")] public string? PythonPath { get; set; }
     [JsonProperty("pythonVersion")] public string? PythonVersion { get; set; }
+    [JsonProperty("pythonDllPath")] public string? PythonDllPath { get; set; }
 }

src/PipManager/PipManager.csproj

@@ -32,6 +32,7 @@
 		<PackageReference Include="Microsoft.Web.WebView2" Version="1.0.2365.46" />
 		<PackageReference Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.77" />
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+		<PackageReference Include="pythonnet" Version="3.1.0-preview2024-04-07" />
 		<PackageReference Include="Serilog" Version="3.1.1" />
 		<PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
 		<PackageReference Include="Serilog.Sinks.Console" Version="5.0.1" />

src/PipManager/Services/Configuration/ConfigurationService.cs

@@ -73,16 +73,17 @@ public string FindPythonPathByPipDir(string pipDir)
     public EnvironmentItem? GetEnvironmentItem(string pythonPath)
     {
         var pythonVersion = FileVersionInfo.GetVersionInfo(pythonPath).FileVersion!;
-        var pythonDirectory = Directory.GetParent(pythonPath)!.FullName;
-        var pipDirectory = GetPipDirectories(pythonDirectory);
-
-        if (pipDirectory == null)
+        var pythonDirectory = Directory.GetParent(pythonPath)!;
+        var pipDirectory = GetPipDirectories(pythonDirectory.FullName);
+        var pythonDllName = $"{pythonDirectory.Name.ToLower().Replace(".", "")}.dll";
+        var pythonDllPath = pythonDirectory.GetFiles(pythonDllName, SearchOption.AllDirectories).FirstOrDefault();
+        if (pythonDllPath == null || pipDirectory == null)
         {
             return null;
         }
 
         var pipVersion = GetPipVersionInInitFile().Match(File.ReadAllText(Path.Combine(pipDirectory, @"__init__.py"))).Groups[1].Value;
-        return new EnvironmentItem(pipVersion, pythonPath, pythonVersion);
+        return new EnvironmentItem(pipVersion, pythonPath, pythonVersion, pythonDllPath.FullName);
     }
 
     public EnvironmentItem? GetEnvironmentItemFromCommand(string command, string arguments)
@@ -137,9 +138,12 @@ public string FindPythonPathByPipDir(string pipDir)
         }
         pipVersion = pipVersion.Trim();
         var pythonPath = FindPythonPathByPipDir(pipDir.Trim());
+        var pythonDirectory = Directory.GetParent(pythonPath)!;
+        var pythonDllName = $"{pythonDirectory.Name.ToLower().Replace(".", "")}.dll";
+        var pythonDllPath = pythonDirectory.GetFiles(pythonDllName, SearchOption.AllDirectories).FirstOrDefault();
         pythonVersion = pythonVersion.Trim();
         proc.Close();
-        return pipDir.Length > 0 ? new EnvironmentItem(pipVersion, pythonPath, pythonVersion) : null;
+        return pipDir.Length > 0 && pythonDllPath != null ? new EnvironmentItem(pipVersion, pythonPath, pythonVersion, pythonDllPath.FullName) : null;
     }
 
     public void RefreshAllEnvironmentVersions()

src/PipManager/Services/Environment/EnvironmentService.cs

@@ -13,6 +13,7 @@
 using System.IO;
 using System.Net.Http;
 using System.Text.RegularExpressions;
+using Python.Runtime;
 using Wpf.Ui.Controls;
 using Path = System.IO.Path;
 
@@ -222,6 +223,37 @@ public ActionResponse PurgeEnvironmentCache(EnvironmentItem environmentItem)
         return [.. packages.OrderBy(x => x.Name)];
     }
 
+    public ParseRequirementsResponse ParseRequirements(IEnumerable<string> requirements)
+    {
+        var parsedRequirements = new ParseRequirementsResponse { Success = true, Requirements = [] };
+        Runtime.PythonDLL = configurationService.AppConfig.CurrentEnvironment!.PythonDllPath!;
+        PythonEngine.Initialize();
+        using (Py.GIL())
+        {
+            try
+            {
+                dynamic packagingModule = Py.Import("packaging.requirements");
+                dynamic requirementClass = packagingModule.Requirement;
+                foreach (var requirement in requirements)
+                {
+                    dynamic requirementParser = requirementClass(requirement);
+                    parsedRequirements.Requirements.Add(new ParsedRequirement
+                    {
+                        Name = requirementParser.name.ToString(),
+                        Specifier = requirementParser.specifier.ToString()
+                    });
+                }
+            }
+            catch (PythonException ex)
+            {
+                Log.Error(ex.Message);
+            }
+
+        }
+
+        return parsedRequirements;
+    }
+
     public async Task<GetVersionsResponse> GetVersions(string packageName)
     {
         try

src/PipManager/Services/Environment/IEnvironmentService.cs

@@ -17,6 +17,7 @@ public interface IEnvironmentService
 
     public Task<GetVersionsResponse> GetVersions(string packageName);
     public bool TryKillProcess();
+    public ParseRequirementsResponse ParseRequirements(IEnumerable<string> requirements);
 
     public ActionResponse Install(string packageName, DataReceivedEventHandler consoleOutputCallback, string[]? extraParameters = null);
 

src/PipManager/Services/Environment/Response/ParseRequirementsResponse.cs

@@ -0,0 +1,13 @@
+namespace PipManager.Services.Environment.Response;
+
+public class ParseRequirementsResponse
+{
+    public bool Success { get; init; }
+    public List<ParsedRequirement>? Requirements { get; init; }
+}
+
+public class ParsedRequirement
+{
+    public required string Name { get; init; }
+    public required string Specifier { get; init; }
+}

src/PipManager/ViewModels/Pages/Lab/LabViewModel.cs

@@ -1,15 +1,28 @@
-using PipManager.Models.Action;
+using System.IO;
+using System.Windows.Shapes;
+using Microsoft.Extensions.Configuration;
+using PipManager.Models.Action;
 using PipManager.Services.Action;
+using PipManager.Services.Configuration;
+using PipManager.Services.Environment;
+using Python.Runtime;
 using Serilog;
 using Wpf.Ui.Controls;
 
 namespace PipManager.ViewModels.Pages.Lab;
 
-public partial class LabViewModel(IActionService actionService)
+public partial class LabViewModel(IActionService actionService, IEnvironmentService environmentService)
     : ObservableObject, INavigationAware
 {
     private bool _isInitialized;
 
+    [RelayCommand]
+    private void ParseTest()
+    {
+        var parsed = environmentService.ParseRequirements(["requests", "numpy"]);
+        parsed.Requirements.ForEach(item => Log.Information(item.Specifier));
+    }
+
     [RelayCommand]
     private void ActionTest()
     {

src/PipManager/Views/Pages/Lab/LabPage.xaml

@@ -18,5 +18,6 @@
     mc:Ignorable="d">
 
     <Grid>
+        <Button Content="Test" Command="{Binding ViewModel.ParseTestCommand}"></Button>
     </Grid>
 </Page>