Das deutsche Python-Forum

Code: Alles auswählen

name = (time.strftime('%Y-%m-%d', time.localtime()))
def findfile(name, path):
    for dirpath, dirname, filename in os.walk(path):
        if name in filename:
            return os.path.join(dirpath, name)
filepath = findfile(name + '.csv', "/")

Code: Alles auswählen

from datetime import datetime as DateTime
from pathlib import Path

def findfile(date, path="/"):
    name = f"{date:%Y-%m-%d}.csv"
    for filepath in Path(path).rglob(name):
        return filepath

def main():
    date = DateTime.now()
    filepath = findfile(date)
    ...

Code: Alles auswählen

timedelta(days=1)

Code: Alles auswählen

from dash import Dash, dcc, Output, Input, html
import dash_bootstrap_components as dbc
import plotly.graph_objects as go
import pandas as pd
from dash_bootstrap_templates import load_figure_template

# loads the "sketchy" template and sets it as the default
load_figure_template("darkly")

df = pd.read_csv('2023-05-11.csv', sep = ';')

fig = go.Figure()
# time;timestamp;grid_imp_eto;grid_exp_eto;pv1_eto;pv2_eto;grid_p;pv1_p;pv2_p;bat_p;car_p
#fill tozeroy or tonexty
fig.add_trace(go.Scatter(x=df['time'], y=df['pv1_p'], name='PV10'))#,   fillcolor='#AAA', line=dict(color="#AAA"))) #fill='tonexty',
fig.add_trace(go.Scatter(x=df['time'], y=df['pv2_p'], name='PV2'))#,   fillcolor='#CCC', line=dict(color="#AAA")))
fig.add_trace(go.Scatter(x=df['time'], y=-df['grid_p'], name='Grid'))#,   fillcolor='#555555', line=dict(color="#555555")))

app = Dash(__name__, external_stylesheets=[dbc.themes.DARKLY])
app.layout = html.Div([
    html.Button('Test', id='test'),
    dcc.Markdown(children=''),
    dcc.Input(value="Überschrift"),
    dcc.Graph(
    figure = fig,
    style = {'height': '80vh'},
    )
])

@app.callback(
    Input('test', 'value')
)

def update_graph(value):
    print('test1')

if __name__=="__main__":
    app.run_server(port=8052)