scratch demos to compare old vs new api

Author: DanielGoldfarb

examples/scratch_pad/presentation_fin_demo.py

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+import os.path
+import matplotlib.dates as mdates
+import matplotlib.pyplot as plt
+import pandas as pd
+
+from mplfinance.original_flavor import candlestick_ohlc
+
+date1 = "2004-2-1"
+date2 = "2004-4-12"
+infile = os.path.join('data','yahoofinance-INTC-19950101-20040412.csv')
+quotes = pd.read_csv(infile, index_col=0, parse_dates=True, infer_datetime_format=True)
+
+# select desired range of dates
+quotes = quotes[(quotes.index >= date1) & (quotes.index <= date2)]
+
+fig, ax = plt.subplots()
+candlestick_ohlc(ax, zip(mdates.date2num(quotes.index.to_pydatetime()),
+                         quotes['Open'], quotes['High'],
+                         quotes['Low'], quotes['Close']), width=0.6)
+
+fig.subplots_adjust(bottom=0.2)
+ax.xaxis.set_major_formatter(mdates.DateFormatter('%b %d'))  # e.g., Jan 12
+
+ax.xaxis_date()
+ax.autoscale_view()
+plt.setp(plt.gca().get_xticklabels(), rotation=45, horizontalalignment='right')
+
+plt.show()

examples/scratch_pad/presentation_fin_demo_newapi.py

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+import os.path
+import pandas as pd
+import mplfinance as mpf
+
+date1 = "2004-2-1"
+date2 = "2004-4-12"
+infile = os.path.join('data','yahoofinance-INTC-19950101-20040412.csv')
+quotes = pd.read_csv(infile, index_col=0, parse_dates=True, infer_datetime_format=True) 
+
+# select desired range of dates
+quotes = quotes[(quotes.index >= date1) & (quotes.index <= date2)]
+
+mpf.plot(quotes,type='candle',style='checkers')