Merge pull request #38 from spotware/am/XT-17608

XT-17608 Create cBots, Indicators and Plugins Samples in Python. Add …

Author: amusleh-spotware-com

Indicators/.samples.json

@@ -175,5 +175,89 @@
   },
   {
     "name": "Custom Control Sample"
+  },
+  {
+    "name": "Data Series Sample"
+  },
+  {
+    "name": "Dock Panel Sample"
+  },
+  {
+    "name": "Ellipse Shape Sample"
+  },
+  {
+    "name": "Equidistant Channel Sample"
+  },
+  {
+    "name": "Fibonacci Expansion Sample"
+  },
+  {
+    "name": "Fibonacci Fan Sample"
+  },
+  {
+    "name": "Fibonacci Level Sample"
+  },
+  {
+    "name": "Fibonacci Retracement Sample"
+  },
+  {
+    "name": "Fill Rule Sample"
+  },
+  {
+    "name": "Font Sample"
+  },
+  {
+    "name": "Functions Sample"
+  },
+  {
+    "name": "Grid Sample"
+  },
+  {
+    "name": "GridColumn Sample"
+  },
+  {
+    "name": "GridLength Sample"
+  },
+  {
+    "name": "GridRow Sample"
+  },
+  {
+    "name": "GridUnitType Sample"
+  },
+  {
+    "name": "HistoricalTrade Sample"
+  },
+  {
+    "name": "HorizontalAlignment Sample"
+  },
+  {
+    "name": "HorizontalLine Sample"
+  },
+  {
+    "name": "IIndicatorsAccessor Sample"
+  },
+  {
+    "name": "Image Sample"
+  },
+  {
+    "name": "Indicator Area Sample"
+  },
+  {
+    "name": "Indicator Data Series Sample"
+  },
+  {
+    "name": "IndicatorAreaAddedEventArgs Sample"
+  },
+  {
+    "name": "IndicatorAreaEventArgs Sample"
+  },
+  {
+    "name": "IndicatorAreaRemovedEventArgs Sample"
+  },
+  {
+    "name": "IndicatorTitles Sample"
+  },
+  {
+    "name": "Key Sample"
   }
 ]

Indicators/Data Series Sample/Data Series Sample.sln

@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30011.22
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Data Series Sample", "Data Series Sample\Data Series Sample.csproj", "{7a913f1d-1919-4bfb-a9b9-78c903b26e69}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7a913f1d-1919-4bfb-a9b9-78c903b26e69}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7a913f1d-1919-4bfb-a9b9-78c903b26e69}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7a913f1d-1919-4bfb-a9b9-78c903b26e69}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7a913f1d-1919-4bfb-a9b9-78c903b26e69}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Indicators/Data Series Sample/Data Series Sample/BaseBridge.cs

@@ -0,0 +1,26 @@
+using System;
+using Python.Runtime;
+
+namespace cAlgo.Indicators;
+
+internal abstract class BaseBridge
+{
+    private readonly SafeExecuteMethodProxy _onOnTimerProxy;
+    private readonly SafeExecuteMethodProxy _onExceptionProxy;
+
+    protected BaseBridge(PyObject objectInstance)
+    {
+        _onOnTimerProxy = new SafeExecuteMethodProxy(objectInstance, "on_timer");
+        _onExceptionProxy = new SafeExecuteMethodProxy(objectInstance, "on_exception");
+    }
+
+    internal void OnTimer()
+    {
+        _onOnTimerProxy.Invoke();
+    }
+
+    internal void OnException(Exception exception)
+    {
+        _onExceptionProxy.Invoke(exception);
+    }
+}

Indicators/Data Series Sample/Data Series Sample/Data Series Sample.csproj

@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <AlgoLanguage>Python</AlgoLanguage>
+    <IncludeSource>True</IncludeSource>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <Compile Remove="**\*.py" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Include="**\*.py">
+      <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+    </EmbeddedResource>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="requirements.txt">
+      <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="cTrader.Automate" Version="*" />
+    <PackageReference Include="pythonnet" Version="3.0.5" />
+  </ItemGroup>
+</Project>

Indicators/Data Series Sample/Data Series Sample/Data Series Sample_main.py

@@ -0,0 +1,44 @@
+import clr
+clr.AddReference("cAlgo.API")
+
+from cAlgo.API import *
+
+class DataSeriesSample():
+    def initialize(self):
+        grid = Grid(3, 2)
+        grid.BackgroundColor = Color.DarkGoldenrod
+        grid.HorizontalAlignment = HorizontalAlignment.Left
+        grid.VerticalAlignment = VerticalAlignment.Bottom
+        grid.Opacity = 0.5
+
+        grid.AddChild(self.get_text_block("Last Value"), 0, 0)
+
+        self.lastValueTextBlock = self.get_text_block(str(api.Source.LastValue))
+
+        grid.AddChild(self.lastValueTextBlock, 0, 1)
+        grid.AddChild(self.get_text_block("Last Closed Value"), 1, 0)
+
+        self.lastClosedValueTextBlock = self.get_text_block(str(api.Source.Last(1)))
+
+        grid.AddChild(self.lastClosedValueTextBlock, 1, 1)
+
+        grid.AddChild(self.get_text_block("Values Count"), 2, 0)
+
+        self.countTextBlock = self.get_text_block(str(api.Source.Count))
+
+        grid.AddChild(self.countTextBlock, 2, 1)
+
+        api.Chart.AddControl(grid)
+
+    def calculate(self, index):
+        # You can also use "LastValue" property if you don't have index
+        self.lastValueTextBlock.Text = str(api.Source[index])
+        # You can also use "Last(1)" property if you don't have index
+        self.lastClosedValueTextBlock.Text = str(api.Source[index - 1])
+        self.countTextBlock.Text = str(api.Source.Count)
+
+    def get_text_block(self, text):
+        textBlock = TextBlock()
+        textBlock.Text = text
+        textBlock.Margin = Thickness(5)
+        return textBlock

Indicators/Data Series Sample/Data Series Sample/DataSeriesSample.cs

@@ -0,0 +1,11 @@
+using System;
+using cAlgo.API;
+
+namespace cAlgo.Indicators;
+
+[Indicator(AccessRights = AccessRights.None, IsOverlay = true)]
+public partial class DataSeriesSample : Indicator
+{
+    [Parameter()]
+    public DataSeries Source { get; set; }
+}

Indicators/Data Series Sample/Data Series Sample/EmbeddedResourceProvider.cs

@@ -0,0 +1,53 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+
+namespace cAlgo.Indicators;
+
+internal class EmbeddedResourceProvider
+{
+    public const string PythonManifestFileName = "EmbeddedResources.manifest.json";
+
+    internal static string[] List()
+    {
+        var assembly = typeof(EmbeddedResourceProvider).Assembly;
+        return assembly.GetManifestResourceNames();
+    }
+
+    internal static string ReadText(string name)
+    {
+        var assembly = typeof(EmbeddedResourceProvider).Assembly;
+        var resourceName = assembly.GetManifestResourceNames()
+            .SingleOrDefault(n => n.EndsWith($".{name}", StringComparison.OrdinalIgnoreCase));
+
+        if (resourceName == null)
+            return null;
+
+        using var stream = assembly.GetManifestResourceStream(resourceName);
+        if (stream == null)
+            return null;
+
+        using var stringReader = new StreamReader(stream);
+        return stringReader.ReadToEnd();
+    }
+
+    internal static Stream ReadStream(string name)
+    {
+        var assembly = typeof(EmbeddedResourceProvider).Assembly;
+        return assembly.GetManifestResourceStream(name);
+    }
+
+    public static bool TryGetPythonManifest(out PythonManifest pythonManifest)
+    {
+        pythonManifest = null;
+        var pythonManifestJson = ReadText(PythonManifestFileName);
+
+        if (string.IsNullOrEmpty(pythonManifestJson))
+            return false;
+        
+        pythonManifest = JsonSerializer.Deserialize<PythonManifest>(pythonManifestJson);
+
+        return true;
+    }
+}

Indicators/Data Series Sample/Data Series Sample/EmbeddedResources.manifest.json

@@ -0,0 +1 @@
+{"RootNamespace": "Data_Series_Sample","PythonFiles": ["Data Series Sample_main.py","http_requests.py"]}