openpyxl

How to save a new sheet in an existing excel file, using Pandas?

試著忘記壹切 提交于 2019-12-17 02:34:20
问题 I want to use excel files to store data elaborated with python. My problem is that I can't add sheets to an existing excel file. Here I suggest a sample code to work with in order to reach this issue import pandas as pd import numpy as np path = r"C:\Users\fedel\Desktop\excelData\PhD_data.xlsx" x1 = np.random.randn(100, 2) df1 = pd.DataFrame(x1) x2 = np.random.randn(100, 2) df2 = pd.DataFrame(x2) writer = pd.ExcelWriter(path, engine = 'xlsxwriter') df1.to_excel(writer, sheet_name = 'x1') df2

Reading cell value with applied number format openpyxl? - redux

懵懂的女人 提交于 2019-12-16 18:06:10
问题 Python 2.7, openpyxl 2.4.x I'm trying to read a cell that is a date value ("05/01/2016") in excel and has custom number formatting applied ("yyyymm") so it displays as "201605". What I want to end up with is the value after the custom number formatting is applied (i.e. what the user sees in excel ("201605")). Any idea how to do this using openpyxl? Note: I can't just simply take the date and reformat it to yyyymm as the user might change the custom formatting and I need whatever the end

Python openpyxl Excel绘制柱形图

纵饮孤独 提交于 2019-12-15 10:03:22
这是一份openpyxl的使用指南。 大体内容翻译自官网 https://openpyxl.readthedocs.io/ ... -stacked-bar-charts 本文在官网基础上会有一些改动。代码请参考 https://github.com/RustFisher/python-playground 本文链接 https://rustfisher.com/2019/11/1 ... rts_Bar_and_Column/ 柱形图 数据会被绘制成垂直,水平或者是层叠效果的柱形图。 注意: 接下来的设置会影响到不同类型的图表。 设置类别可以控制柱形图是垂直或是水平。 使用层叠图形时,需要设置overlap成100。 如果柱形是水平的,x和y坐标会对调过来。 2D图表 2D图表参考效果图 - 原文图片 示例代码如下,根据给定的数据绘制了4张图表。 from openpyxl import Workbook from openpyxl.chart import BarChart, Series, Reference def bar_chart_demo(): wb = Workbook(write_only=True) ws = wb.create_sheet() rows = [ ('Number', 'Batch 1', 'Batch 2'), (2, 10, 30), (3,

Ardupilot SITL环境搭建 (win10+ cygwin 64 +python2.7)

让人想犯罪 __ 提交于 2019-12-14 09:11:59
一,安装Cygwin(参考: https://ardupilot.org/dev/docs/building-setup-windows-cygwin.html#building-setup-windows-cygwin ) 注意事项:安装时,参考网站选择 package,尽可能一次性都选择好,以及对应好自己电脑配置。否则后期会有问题,还需要 重新安装。(我安装在D盘了) 环境变量的添加 网上有说, 找到C:\cygwin\home\user.bashrc中的.bashrc文件,用记事本格式打开,在最后面输入回车后加上 export PATH=$PATH:$HOME/ardupilot/Tools/autotest 我照做了,不知道具体有什么用。 二,安装下载MAVProxy ( https://firmware.ardupilot.org/Tools/MAVProxy/MAVProxySetup-latest.exe ) 安装可执行文件,包括接受许可和所有默认安装选项(怕出问题,安装默认路径C盘下) 三,下载ardupilot代码,打开cygwin输入 git clone git://github.com/ArduPilot/ardupilot.git ( 这个过程,好漫长,我用了差不多一个半小时左右 ) cd ardupilot git submodule update --

how to give range of a worksheet as variable

天涯浪子 提交于 2019-12-14 04:11:34
问题 I am having one excel sheet which is used to read the data through python openpyxl...so in my script i have values that are hard coded as ws['E2':'AB3'] as AB3 is the last entry to be read...but now the sheet is updated and now last cell coordinate is AR3...how can i make the code generic so that every time sheet updates the code should work..? Note(i find out total number of rows and column in sheet...what can i do) rows = ws.max_row column = ws.max_column print(rows,column) column_letter =

Keep the nature of array formulas when using openpyxl

 ̄綄美尐妖づ 提交于 2019-12-14 03:27:51
问题 Iam working on a excel workbook that needs to find median of all column values where another column value is a specific string using openpyxl. For this purpose, I have used MEDIAN and IF combined, where Ctrl + Shift + Enter needs to be pressed for it to be considered as an Array formula. But openpyxl doesn't keep this array formula's nature while saving the file. Example Data: Values | IDS 3.5 | 1234 2.5 | 1234 6.5 | 5687 7.5 | 1234 9.5 | 1234 1.0 | 7894 For the above data, I should be able

Trying to update prices with inconsistent data in excel using openpyxl

喜你入骨 提交于 2019-12-14 03:12:00
问题 I am trying to update prices in an excel sheet of mine. These prices should be found in excel spreadsheets sent by suppliers, however their excel sheet has inconsistent data. I generally import the price of a single item but some items only have a price for a case (consisting of x items per case). I have the item quantities and am trying to create a program that can correctly update my prices automatically. Product Code Case Price Unit Price 92526 19 5.5 97056 250 19 97055 145 97054 200

How can I list all 1st row values in an Excel spreadsheet using OpenPyXL?

生来就可爱ヽ(ⅴ<●) 提交于 2019-12-13 23:18:13
问题 Using the OpenPyXL module with Python 3.5, I was able to figure out how many columns there are in a spreadsheet with: In [1]: sheet.max_column Out [1]: 4 Then I was able to list the values in each of the 4 cells with: In [2]: for rowOfCellObjects in sheet['A1':'D1']: for cellObj in rowOfCellObjects: print(cellObj.coordinate, cellObj.value) Out [2]: A1 Dog, B1 Cat, C1 Hamster, D1 Bigger Dog But is there a way to skip the first step and simply list the values for x number of columns? I wouldn't

Why does a 'WriteOnlyWorksheet' object have no attribute 'cell'?

此生再无相见时 提交于 2019-12-13 22:45:07
问题 import openpyxl wb=openpyxl.Workbook("multiplication.xlsx") wb.create_sheet() sheet=wb.get_active_sheet() sheet.cell(column=6, row=4).value= 5 wb.save("multiplication.xlsx") When i try and write in the cell, I receive this error. Traceback (most recent call last): File "/Users/bjg/Desktop/excel2.py", line 8, in <module> sheet.cell(column=6, row=4).value= 5 AttributeError: 'WriteOnlyWorksheet' object has no attribute 'cell' I was wondering if anybody knew why this was the case? 回答1: From the

How to change font size in Python OpenPyXL

随声附和 提交于 2019-12-13 22:13:20
问题 How do I change the font size of a cell? I am using OpenPyXL. It will not let me send this question without typing the above with perfect grammar and spelling, so the last few words people should know what I mean. 回答1: This works for me: from openpyxl.styles import Font fontStyle = Font(size = "10") ws.cell(row = 1, column = 1, value = 'Test Text').font = fontStyle I'm using openpyxl version: 2.3.2 回答2: Openpyxl styling can achieve this for you! cell.style.font.size = "font size goes here as