web3-starter-py/web3toolkit/scripts/utils/plots.py
mvonsteinkirch 58a160dcf5 💾
2022-12-26 18:15:56 -08:00

31 lines
No EOL
788 B
Python

# -*- encoding: utf-8 -*-
# This class implements plot scripts
# author: steinkirch
import pandas as pd
from utils.os import exit_with_error
def open_csv(filepath) -> dict:
"""Load and parse a csv file."""
try:
return pd.read_csv(filepath)
except (IOError, FileNotFoundError, TypeError) as e:
exit_with_error(f'Failed to parse: "{filepath}": {e}')
def save_csv(destination, data, index=False) -> None:
"""Save data from memory to a csv destination in disk."""
try:
data.to_csv(destination, index=index)
except (IOError, TypeError) as e:
log_error(f'Could not save {destination}: {e}')
def plot_bar(y, x) -> None:
"""Simplest plot for two sets."""
df = pd.DataFrame(y, index=x)
df.plot.bar(rot=0, subplots=True)