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horizontal session divider in helpers

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This commit is contained in:
David Brazda
2024-06-13 13:57:42 +02:00
parent 10fd42f785
commit f7c80bf3a9
2 changed files with 7 additions and 3 deletions
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8
lightweight_charts/helpers.py
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@ -72,7 +72,7 @@ class Panel:
self.xloc = xloc self.xloc = xloc
def chart(panes: list[Panel], sync=False, title='', size="m", xloc=None): def chart(panes: list[Panel], sync=False, title='', size="m", xloc=None, session: str="9:30"):
""" """
Function to fast render a chart with multiple panes. This function manipulates graphical Function to fast render a chart with multiple panes. This function manipulates graphical
output or interfaces with an external framework to display charts with synchronized output or interfaces with an external framework to display charts with synchronized
@ -93,6 +93,8 @@ def chart(panes: list[Panel], sync=False, title='', size="m", xloc=None):
- 'm' for medium - 'm' for medium
- 'xl' for extra large - 'xl' for extra large
* session (str): Draw session vertical divider at that time. Defaults to '9:30'. Can be any time in 24-hour format or xloc slice
* xloc (str): xloc advanced filtering of vbt.xloc accessor. Defaults to None. Applies to all panes. * xloc (str): xloc advanced filtering of vbt.xloc accessor. Defaults to None. Applies to all panes.
Might be overriden by pane-specific xloc. Might be overriden by pane-specific xloc.
@ -131,7 +133,7 @@ def chart(panes: list[Panel], sync=False, title='', size="m", xloc=None):
middle2=[], middle2=[],
histogram=[(order_imbalance_sma, "oisma")] histogram=[(order_imbalance_sma, "oisma")]
) )
ch = chart([pane1, pane2], sync=True, title="Chart", size="l", xloc=slice("2024-02-12 09:30","2024-02-12 16:00")) ch = chart([pane1, pane2], sync=True, title="Chart", size="l", xloc=slice("2024-02-12 09:30","2024-02-12 16:00"), session="9:30")
``` ```
Notes: Notes:
@ -221,6 +223,8 @@ def chart(panes: list[Panel], sync=False, title='', size="m", xloc=None):
active_chart.legend(True) active_chart.legend(True)
active_chart.fit() active_chart.fit()
if session is not None and session:
active_chart.vertical_span(start_time=xloc_me(series, xloc).vbt.xloc[session].obj.index.to_list(), color="rgba(252, 219, 3, 0.4)")
if not main_title_set: if not main_title_set:
chartX.topbar.textbox("title",title) chartX.topbar.textbox("title",title)

2
setup.py
View File

@ -5,7 +5,7 @@ with open('README.md', 'r', encoding='utf-8') as f:
setup( setup(
name='lightweight_charts', name='lightweight_charts',
version='2.0.19', version='2.1.0',
packages=find_packages(), packages=find_packages(),
python_requires='>=3.8', python_requires='>=3.8',
install_requires=[ install_requires=[