dwker/lightweight-charts-python
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move to iife rather than es, add support for Wx and streamlit

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louisnw
2024-05-29 19:01:48 +01:00
parent c518cb335b
commit 8ff980abfc
20 changed files with 808 additions and 97 deletions
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52
lightweight_charts/widgets.py
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@ -61,44 +61,20 @@ def emit_callback(window, string):
class WxChart(abstract.AbstractChart):
def __init__(self, parent, inner_width: float = 1.0, inner_height: float = 1.0,
scale_candles_only: bool = False, toolbox: bool = False):
# this isn't available at the moment
raise ModuleNotFoundError('WxChart is not available in lightweight charts 2.0; please downgrade to an earlier version.')
if wx is None:
raise ModuleNotFoundError('wx.html2 was not found, and must be installed to use WxChart.')
self.webview: wx.html2.WebView = wx.html2.WebView.New(parent)
super().__init__(abstract.Window(self.webview.RunScript, 'window.wx_msg.postMessage.bind(window.wx_msg)'),
inner_width, inner_height, scale_candles_only, toolbox)
self.first = True
def on_load(e):
if self.first is True:
self.first = False
print("first")
return
print('second')
# wx.CallLater(2000, self.win.on_js_load)
# wx.CallLater(2000, self.webview.RunScript('alert(Object.keys(window))'))
self.webview.Bind(wx.html2.EVT_WEBVIEW_LOADED, on_load)
self.webview.Bind(wx.html2.EVT_WEBVIEW_SCRIPT_MESSAGE_RECEIVED, lambda e: emit_callback(self, e.GetString()))
self.webview.Bind(wx.html2.EVT_WEBVIEW_LOADED, lambda e: wx.CallLater(500, self.win.on_js_load))
self.webview.Bind(wx.html2.EVT_WEBVIEW_SCRIPT_MESSAGE_RECEIVED, lambda e: emit_callback(self.win, e.GetString()))
self.webview.AddScriptMessageHandler('wx_msg')
# with open(abstract.INDEX, 'r') as f:
# html = f.read()
# self.webview.SetPage(html, '/Users/louis/Projects/lightweight-charts-python/lightweight_charts/js/')
self.webview.LoadURL("file://"+abstract.INDEX)
with open('/Users/louis/Projects/lightweight-charts-python/lightweight_charts/js/bundle.js', 'r') as f:
self.webview.AddUserScript(f.read())
# self.webview.AddUserScript(abstract.JS['toolbox']) if toolbox else None
def get_webview(self): return self.webview
def get_webview(self):
return self.webview
class QtChart(abstract.AbstractChart):
@ -141,11 +117,6 @@ class StaticLWC(abstract.AbstractChart):
def __init__(self, width=None, height=None, inner_width=1, inner_height=1,
scale_candles_only: bool = False, toolbox=False, autosize=True):
# this isn't available at the moment
raise ModuleNotFoundError('Streamlit & Jupyter Charts are unavailable in lightweight charts 2.0; please downgrade to an earlier version.')
with open(abstract.INDEX.replace("test.html", 'styles.css'), 'r') as f:
css = f.read()
with open(abstract.INDEX.replace("test.html", 'bundle.js'), 'r') as f:
@ -153,13 +124,12 @@ class StaticLWC(abstract.AbstractChart):
with open(abstract.INDEX.replace("test.html", 'lightweight-charts.js'), 'r') as f:
lwc = f.read()
with open(abstract.INDEX, 'r') as f:
self._html = f.read().replace('</body>\n</html>', f'<script type="module">{lwc}</script><script type="module">{js}')
self._html = self._html.replace("</style>", f"{css}</style>")
self._html = self._html.replace('<script type="module" src="./bundle.js"></script>',
f'')
self._html = f.read() \
.replace('<link rel="stylesheet" href="styles.css">', f"<style>{css}</style>") \
.replace(' src="./lightweight-charts.js">', f'>{lwc}') \
.replace(' src="./bundle.js">', f'>{js}') \
.replace('</body>\n</html>', '<script>')
super().__init__(abstract.Window(run_script=self.run_script), inner_width, inner_height,
scale_candles_only, toolbox, autosize)
@ -197,6 +167,10 @@ class JupyterChart(StaticLWC):
def __init__(self, width: int = 800, height=350, inner_width=1, inner_height=1, scale_candles_only: bool = False, toolbox: bool = False):
super().__init__(width, height, inner_width, inner_height, scale_candles_only, toolbox, False)
# this isn't available at the moment
raise ModuleNotFoundError('JupyterChart is unavailable in lightweight charts 2.0; please downgrade to an earlier version.')
self.run_script(f'''
for (var i = 0; i < document.getElementsByClassName("tv-lightweight-charts").length; i++) {{
var element = document.getElementsByClassName("tv-lightweight-charts")[i];