- Added support for PyQt.

- Refactored widgets to catch ModuleNotFoundErrors.

README.md

@@ -1,5 +1,6 @@
 # lightweight_charts_python
 
+
 lightweight-charts-python aims to provide a simple and pythonic way to access and implement [TradingView's Lightweight Charts](https://www.tradingview.com/lightweight-charts/).
 
 ## Installation
@@ -147,16 +148,19 @@ if __name__ == '__main__':
 
     df = pd.read_csv('ohlcv.csv')
 
-    chart.layout(background_color='#090008', text_color='#FFFFFF', font_size=16, font_family='Helvetica')
+    chart.layout(background_color='#090008', text_color='#FFFFFF', font_size=16,
+                 font_family='Helvetica')
 
-    chart.candle_style(up_color='#00ff55', down_color='#ed4807', border_up_color='#FFFFFF', border_down_color='#FFFFFF',
+    chart.candle_style(up_color='#00ff55', down_color='#ed4807',
+                       border_up_color='#FFFFFF', border_down_color='#FFFFFF',
                        wick_up_color='#FFFFFF', wick_down_color='#FFFFFF')
 
     chart.volume_config(up_color='#00ff55', down_color='#ed4807')
 
     chart.watermark('1D', color='rgba(180, 180, 240, 0.7)')
 
-    chart.crosshair(mode='normal', vert_color='#FFFFFF', vert_style='dotted', horz_color='#FFFFFF', horz_style='dotted')
+    chart.crosshair(mode='normal', vert_color='#FFFFFF', vert_style='dotted',
+                    horz_color='#FFFFFF', horz_style='dotted')
 
     chart.legend(visible=True, font_size=14)
 

lightweight_charts/__init__.py

@@ -1,8 +1,4 @@
 from .chart import Chart
 from .js import LWC
 
-try:
+
-    import wx.html2
-    from .widgets import WxChart
-except:
-    pass

lightweight_charts/widgets.py

@@ -1,14 +1,22 @@
-from lightweight_charts.js import LWC
 try:
     import wx.html2
 except ImportError:
     pass
+try:
+    from PyQt5.QtWebEngineWidgets import QWebEngineView
+except ImportError:
+    pass
+
+from lightweight_charts.js import LWC
 
 
 class WxChart(LWC):
     def __init__(self, parent, volume_enabled=True):
         super().__init__(volume_enabled)
-        self.webview = wx.html2.WebView.New(parent)
+        try:
+            self.webview = wx.html2.WebView.New(parent)
+        except NameError:
+            raise ModuleNotFoundError('wx.html2 was not found, and must be installed to use WxChart.')
 
         self.webview.Bind(wx.html2.EVT_WEBVIEW_LOADED, self._on_js_load)
         self.webview.SetPage(self._html, '')
@@ -17,7 +25,7 @@ class WxChart(LWC):
 
     def run_script(self, script): self.webview.RunScript(script)
 
-    def _on_js_load(self, e: wx.html2.WebViewEvent):
+    def _on_js_load(self, e):
         if not self.second_load:
             self.second_load = True
             return
@@ -25,4 +33,26 @@ class WxChart(LWC):
         for func, args, kwargs in self.js_queue:
             getattr(super(), func)(*args, **kwargs)
 
-    def get_webview(self): return self.webview
+    def get_webview(self): return self.webview
+
+
+class QtChart(LWC):
+    def __init__(self, widget=None, volume_enabled=True):
+        super().__init__(volume_enabled)
+        try:
+            self.webview = QWebEngineView(widget)
+        except NameError:
+            raise ModuleNotFoundError('QWebEngineView was not found, and must be installed to use QtChart.')
+
+        self.webview.loadFinished.connect(self._on_js_load)
+        self.webview.page().setHtml(self._html)
+
+    def run_script(self, script): self.webview.page().runJavaScript(script)
+
+    def _on_js_load(self):
+        self.loaded = True
+        for func, args, kwargs in self.js_queue:
+            getattr(super(), func)(*args, **kwargs)
+
+    def get_webview(self): return self.webview
+

setup.py

@@ -5,7 +5,7 @@ with open('README.md', 'r', encoding='utf-8') as f:
 
 setup(
     name='lightweight_charts',
-    version='1.0.1',
+    version='1.0.3',
     packages=find_packages(),
     python_requires='>=3.9',
     install_requires=[
@@ -16,5 +16,6 @@ setup(
     license='MIT',
     description="Python framework for TradingView's Lightweight Charts JavaScript library.",
     long_description=long_description,
+    long_description_content_type='text/markdown',
     url='https://github.com/louisnw01/lightweight-charts-python',
 )