将日期时间导入 Excel



下面的option.py错误,在行(接近末尾(:

ws.cell(row=i,column=j).value=c

错误是:

raise ValueError("Cannot convert {0!r} to Excel".format(value))
ValueError: Cannot convert [Date
2014-12-01    8555.9
Name: Close, dtype: float64] to Excel

这是文件option.py

#importing the necessary packages
import numpy
from nsepy import get_history 
import datetime
from nsepy.derivatives import get_expiry_date
import openpyxl
#opening the excel sheet
wb=openpyxl.load_workbook('/home/arvind/summer_sweta/financial_math/computation/option.xlsx') 
ws=wb.active
#to get the expiry date of the particular year and month when the option will expire 
xyear = int(input('Enter the expiry year(e.g. 2013)'))
xmonth = int(input('Enter the expiry month(e.g. 6,12)'))  
expiry=get_expiry_date(year=xyear,month=xmonth) 
#we want the index option price data where days of maturity will be between 40 and 60
sdate =expiry-(datetime.timedelta(days=60)) 
edate =expiry-(datetime.timedelta(days=40))     
#index for the rows of the excell sheet
i=1
#loop where we find data for all the possible days  
while(sdate!=edate):     
#underlying index price data                            
nifty_price = get_history(symbol="NIFTY 50",
start=sdate,
end=sdate,
index=True)
#condition to check if data is empty    
if (nifty_price.empty):             
sdate += datetime.timedelta(days=1)
continue
#to get index option price data 
nifty_opn = get_history(symbol="NIFTY",
start=sdate,
end=sdate,
index=True,
option_type='CE',
strike_price=int(numpy.round(nifty_price.get('Close'),-2)), #to round off the strike price to the nearest hundred
expiry_date=expiry)         
if (nifty_opn.empty):
sdate += datetime.timedelta(days=1)
continue

if (int(nifty_opn.get('Number of Contracts'))): #we want the data only of days when the option was traded
#we are only collecting the relevant information we need
symbol=nifty_opn.get('Symbol')
date=nifty_price.get('Date')
close=nifty_price.get('Close')
expiry=nifty_opn.get('Expiry')
strike_price=nifty_opn.get('Strike Price')
settle_price=nifty_opn.get('Settle Price')
contracts_no=nifty_opn.get('Number of Contracts')    
data= [symbol,date,close,expiry, strike_price,settle_price,
contracts_no]
j=1
for c in data:
ws.cell(row=i,column=j).value=c
j +=1
i +=1
sdate += datetime.timedelta(days=1)
#saving the information to the excel
wb.save('option.xlsx')

我没有使用nsepy.derivatives也没有使用openpyxl,所以,我无法验证或确认。 但是错误指向了您大部分方向:

了解您的错误

您可能从行中的get_expiry_date获得的正确 Pythondatetime对象expiry=get_expiry_date(year=xyear,month=xmonth)无法在 Excel 中完全/正确理解。

您可以在openpyxl代码中更深入地了解如何管理日期,但除此之外,只需将datetime对象转换为所需格式的字符串,然后再将其推送到 Excel。

溶液

for c in data:之后,您可以添加:

if isinstance(c, datetime.datetime):
d = d.strftime("%Y-%m-%d")

这会将d转换为类似于"2018-06-30"(年、月、日(格式的字符串。 您可以将其更改为您喜欢的任何格式...我更喜欢这里给出的亚洲风格,因为它是完全明确的。

附言。 我严格编辑了你的问题,使其更易于管理。 问题越容易阅读/理解,您得到的答案就越多/越好。

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