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OOP functions refactor

Trong file này mô tả ví dụ mẫu về đoạn code được tổ chức lại theo hướng OOP

from vnstock-next import *

TCBS = TCBS()

# Instantiate Candles with specific parameters
candles_instance = TCBS.Candles(
    symbol='TCB',
    start_time='2023-12-01',
    end_time='2024-01-02',
    resolution='1D',
    type='stock',
    decor=True,
    format='df'
)

df = candles_instance.download(headers=tcbs_headers)
df
# Instantiate DNSE with a specific symbol
DNSE = DNSE(symbol='TCB')

# Set parameters for data retrieval
start_date = '2023-06-01'
end_date = '2023-06-17'
resolution = '1D'
type = 'stock'

# Call the download method to retrieve historical price data
DNSE.candles.download(start_date=start_date, end_date=end_date, resolution=resolution, type=type)

STOCK

Folder structure

├─stocks/
│ ├─mappings/
│ ├─insider/
│ ├─__init__.py
│ ├─stocks_view.py
│ ├─technical_analysis/
│ ├─cboe_model.py
│ ├─databento_model.py
│ ├─behavioural_analysis/
│ ├─tradinghours/
│ ├─README.md
│ ├─stocks_model.py
│ ├─cboe_view.py
│ ├─fundamental_analysis/
│ ├─options/
│ ├─government/
│ ├─stock_statics.py
│ ├─discovery/
│ ├─comparison_analysis/
│ ├─research/
│ ├─quantitative_analysis/
│ ├─backtesting/
│ ├─stocks_helper.py
│ ├─dark_pool_shorts/
│ ├─stocks_controller.py
│ └─screener/

Object model

Attributes

Methods

  • class TCBS

    • __init__

    • class candles

      • def __init__

      • def download

  • class Ticker

    • __init__

    • def candles

    • def download

    • def to_

      • to_json

      • to_csv

      • to_ami

      • to_gsheet

Common process

  • Input validation

  • Request

  • Handle request result

    • Status check

    • Raise Error

    • Read data

    • Return desired data in json format

    • Read to pandas

      • Rename: snakecase

      • Set data type

      • Rearrange columns

  • Output format

    • Export to JSON for Pollars from Pandas

    • Export to CSV from Pandas

    • Export to Amibroker csv

    • Save to Google Sheets