dwker/lightweight-charts-python
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

horizontal session divider in helpers

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

8
lightweight_charts/helpers.py
View File

@ -72,7 +72,7 @@ class Panel:
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
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
- '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.
Might be overriden by pane-specific xloc.
@ -131,7 +133,7 @@ def chart(panes: list[Panel], sync=False, title='', size="m", xloc=None):
middle2=[],
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:
@ -221,6 +223,8 @@ def chart(panes: list[Panel], sync=False, title='', size="m", xloc=None):
active_chart.legend(True)
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:
chartX.topbar.textbox("title",title)