2016-11-03 124 views
1

我有一個DataFrame從Excel工作表中讀取,其中我已經提出了一些使用Xlsxwriter的新列。現在我需要使用我在Xlsxwriter中創建的新列(這是一個日期列btw)過濾這組新數據。有沒有辦法將這個新工作表再次變成一個數據框,以便我可以過濾新列?我會盡力提供任何有用的代碼:所以現在將Xlsxwriter表單轉換爲Pandas Dataframe

export = "files/extract.xlsx" 
future_days = 12 
writer = pd.ExcelWriter('files/new_report-%s.xlsx' % (date.today()), engine ='xlsxwriter') 
workbook = writer.book 
df = pd.read_excel(export) 
df.to_excel(writer, 'Full Log', index=False) 
log_sheet = writer.sheets['Full Log'] 

new_headers = ('todays date', 'Milestone Date') 
log_sheet.write_row('CW1', new_headers) 

# This for loop just writes in the formula for my new columns on every line 
     for row_num in range(2, len(df.index)+2): 
      log_sheet.write_formula('CX' + str(row_num),'=IF(AND($BS{0}>1/1/1990,$BT{0}<>"Yes"),IF($BS{0}<=$CW{0},$BS{0},"Date In Future"),IF(AND($BW{0}>1/1/1990,$BX{0}<>"Yes"),IF($BW{0}<=CW{0},$BW{0},"Date In Future"),IF(AND($CA{0}>1/1/1990,$CCW{0}<>"Yes"),IF($CA{0}<=CW{0},$CA{0},"Date In Future"),IF(AND($CE{0}>1/1/1990,$CF{0}<>"Yes"),IF($CE{0}<CW{0},$CE{0},"Date In Future"),IF(AND($CI{0}>1/1/1990,$CJ{0}<>"Yes"),IF($CI{0}<CW{0},$CI{0},"Date In Future"),IF(AND($CM{0}>1/1/1990,$CN{0}<>"Yes"),IF($CM{0}<CW{0},$CM{0},"Date In Future"),"No Date"))))))'.format(row_num)) 
      log_sheet.write_formula('CW' + str(row_num), '=TODAY()+' + str(future_days)) 
      log_sheet.write_formula('CY' + str(row_num), '=IF(AND(AI{0}>DATEVALUE("1/1/1900"), AH{0}>DATEVALUE("1/1/1900"),A{0}<>"Test",A{0}<>"Dummy Test"),NETWORKDAYS(AH{0},AI{0}-1),"Test")'.format(row_num)) 

這是所有做我需要過濾這種「完整的日誌」表,因此只得到其中的新的里程碑日期列中的值已通過的日期數據今天的。我已經使用過Xlsxwriters Autofilter,但是我不喜歡它,因爲它實際上並沒有應用過濾器。只是設置它。

回答

0

可以調用節省作家函數,然後將文件加載到一個新的數據幀

writer.save() 
df2 = pd.read_excel('Full Log') 
+0

我得到'FileNotFoundError:[錯誤2]沒有這樣的文件或目錄:「完整的日誌」 '你確定可以讀取一個創建的工作表? – King

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