This is my codes. When I try to save a xlxs with comments, It failed. How can I know when to save again.
from openpyxl import load_workbook
import datetime
filename = u"large_table.xlsx"
model = load_workbook(filename)
model.properties.lastPrinted = datetime.datetime.now()
model.save(filename)
model.properties.lastPrinted = datetime.datetime.now()
model.save(filename)
Traceback: It seems that self.workbook.vba_archive is set to None unexpectedly.
Traceback (most recent call last):
File "D:/h32workspace/trunk/event_editor/eric6/model/test_file.py", line 31, in <module>
model.save(filename)
File "C:\Python27\lib\site-packages\openpyxl\workbook\workbook.py", line 342, in save
save_workbook(self, filename)
File "C:\Python27\lib\site-packages\openpyxl\writer\excel.py", line 269, in save_workbook
writer.save(filename)
File "C:\Python27\lib\site-packages\openpyxl\writer\excel.py", line 251, in save
self.write_data()
File "C:\Python27\lib\site-packages\openpyxl\writer\excel.py", line 81, in write_data
self._write_worksheets()
File "C:\Python27\lib\site-packages\openpyxl\writer\excel.py", line 214, in _write_worksheets
self._write_comment(ws)
File "C:\Python27\lib\site-packages\openpyxl\writer\excel.py", line 184, in _write_comment
vml = fromstring(self.workbook.vba_archive.read(ws.legacy_drawing))
AttributeError: 'NoneType' object has no attribute 'read'
I tried to use keep_vba=True to load workbook, but if failed to save file correctly. The saved file can not be opened.
I used your code to save a sample .xlsx file. It saved without any issues.
Do you have any macro within you .xlsx file?
If yes, you may want to open the xlsx file with macro enabled using
model = load_workbook(filename, keep_vba=True)
See here for details on openpyxl usage with macro.
Also, try to save to a different filename than trying to overwrite original to make sure it works correctly.
fileout = "test2.xlsx"
model.save(fileout)
Hope this helps.
Related
Beginner here.
I've tried making new excel files, running the python code while the excel file is open, tried renaming the excel file, but nothing works. I was just following this youtube tutorial: https://www.youtube.com/watch?v=7YS6YDQKFh0&t=14s
from openpyxl import Workbook, load_workbook
workbook = load_workbook("Test2.xlsx")
The error:
Traceback (most recent call last):
File "c:\Users\Name\Desktop\Python Projects\Excel Manipulation\Excel_Test.py", line 3, in <module>
workbook = load_workbook("Test2.xlsx")
File "C:\Users\Name\AppData\Local\Programs\Python\Python39\lib\site-packages\openpyxl\reader\excel.py", line 315, in load_workbook
reader = ExcelReader(filename, read_only, keep_vba,
File "C:\Users\Name\AppData\Local\Programs\Python\Python39\lib\site-packages\openpyxl\reader\excel.py", line 124, in __init__
self.archive = _validate_archive(fn)
File "C:\Users\Name\AppData\Local\Programs\Python\Python39\lib\site-packages\openpyxl\reader\excel.py", line 96, in _validate_archive
archive = ZipFile(filename, 'r')
File "C:\Users\Name\AppData\Local\Programs\Python\Python39\lib\zipfile.py", line 1239, in __init__
self.fp = io.open(file, filemode)
**FileNotFoundError: [Errno 2] No such file or directory: 'Test2.xlsx'
PS C:\Users\Name>**
I found a solution. Turns out you just need to copy the file location, convert it to raw string, and add \ExcelFile to the end:
from openpyxl import Workbook, load_workbook
location = r'C:\Users\Name\Desktop\Python Projects\Excel Manipulation\Test2.xlsx'
workbook = load_workbook(location)
Derp.
I try to read a xlsx into a data frame:
itut_ir = pd.read_excel('C:\\Users\\Administrator\\Downloads\\reportdata.xlsx')
print(itut_ir.to_string())
I receive this:
Traceback (most recent call last):
File
"C:\Users\Administrator\eclipse-workspace\Reports\GOW\Report.py",
line 44, in
df = pd.read_excel('C:\Users\Administrator\Downloads\reportdata.xlsx')
File
"C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pandas\io\excel_base.py",
line 304, in read_excel
io = ExcelFile(io, engine=engine) File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pandas\io\excel_base.py",
line 824, in init
self._reader = self.enginesengine File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pandas\io\excel_xlrd.py",
line 21, in init
super().init(filepath_or_buffer) File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pandas\io\excel_base.py",
line 353, in init
self.book = self.load_workbook(filepath_or_buffer) File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pandas\io\excel_xlrd.py",
line 36, in load_workbook
return open_workbook(filepath_or_buffer) File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\xlrd_init.py",
line 117, in open_workbook
zf = zipfile.ZipFile(filename) File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\zipfile.py",
line 1222, in init
self._RealGetContents() File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\zipfile.py",
line 1289, in _RealGetContents
raise BadZipFile("File is not a zip file") zipfile.BadZipFile: File is not a zip file
does anybody have an idea? the file does not seem to be broken, I can open it with Excel.
thanks!
*** UPDATE ***
the file producing the error is being downloaded from FTP. opening the original file works ... if that gives you a hint :) thanks
I had the same issue just a little bit ago with an XLSX that I created in LibreOffice.
The solution was to check the XLSX to make sure it wasn't corrupted. In my case, loading a previous version of the XLSX file corrected the problem.
I am encountering a problem when running with openpyxl the code below
import openpyxl
import os
wb = openpyxl.load_workbook('example.xlsx')
sheet = wb.get_sheet_by_name('Sheet1')
sheet["A1"].value
sheet["A1"].value == None
sheet["A1"].value = 42
sheet["A3"].value = 'Hello'
os.chdir("/Users/mac/Desktop")
wb.save('exceeeel.xlsx')
The error is
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/openpyxl/reader/excel.py", line 312, in load_wo
rkbook
reader = ExcelReader(filename, read_only, keep_vba,
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/openpyxl/reader/excel.py", line 124, in __init_
_
self.archive = _validate_archive(fn)
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/openpyxl/reader/excel.py", line 96, in _validat
e_archive
What am I doing wrong? I am using the current version of the openpyxl library.
I can't provide a confident answer because the question only includes a partial traceback. That being said, it looks like the traceback one would get for a FileNotFoundError:
C:\Python37\python.exe C:/Users/user/PycharmProjects/scratch/scratch2.py
Traceback (most recent call last):
File "C:/Users/user/PycharmProjects/scratch/scratch2.py", line 3, in <module>
wb = openpyxl.load_workbook('example.xlsx')
File "C:\Python37\lib\site-packages\openpyxl\reader\excel.py", line 313, in load_workbook
data_only, keep_links)
File "C:\Python37\lib\site-packages\openpyxl\reader\excel.py", line 124, in __init__
self.archive = _validate_archive(fn)
File "C:\Python37\lib\site-packages\openpyxl\reader\excel.py", line 96, in _validate_archive
archive = ZipFile(filename, 'r')
File "C:\Python37\lib\zipfile.py", line 1207, in __init__
self.fp = io.open(file, filemode)
FileNotFoundError: [Errno 2] No such file or directory: 'example.xlsx'
Process finished with exit code 1
This error will be raised when the path your provided to the file you want to load with openpyxl.load_workbook does not contain the specified file. Since the only argument you provided in your call of that function is 'example.xlsx' that probably means there is no file in the folder you are running this script from.
If this 'example.xlsx' file is in a different folder then you'll want to either specify the relative path to that file as your argument or move the file into the same folder as your script.
If this isn't what's going on then you'll need to provide the full traceback that you are seeing on your end in order to get a better answer.
I am having issues with getting basic function of the nptdms module working.
First, I am just trying to open a TDMS file and print the contents of specific channels within specific groups.
Using python 2.7 and the nptdms quick start here
Following this, I will be writing these specific pieces of data into a new TDMS file. Then, my ultimate goal is to be able to take a set of source files, open each, and write (append) to a new file. The source data files contain far more information that is needed, so I am breaking out the specifics into their own file.
The problem I have is that I cannot get past a basic error.
When running this code, I get:
Traceback (most recent call last):
File "PullTDMSdataIntoNewFile.py", line 27, in <module>
tdms_file = TdmsFile(r"C:\\Users\daniel.worts\Desktop\this_is_my_tdms_file.tdms","r")
File "C:\Anaconda2\lib\site-packages\nptdms\tdms.py", line 94, in __init__
self._read_segments(f)
File "C:\Anaconda2\lib\site-packages\nptdms\tdms.py", line 119, in _read_segments
object._initialise_data(memmap_dir=self.memmap_dir)
File "C:\Anaconda2\lib\site-packages\nptdms\tdms.py", line 709, in _initialise_data
mode='w+b', prefix="nptdms_", dir=memmap_dir)
File "C:\Anaconda2\lib\tempfile.py", line 475, in NamedTemporaryFile
(fd, name) = _mkstemp_inner(dir, prefix, suffix, flags)
File "C:\Anaconda2\lib\tempfile.py", line 244, in _mkstemp_inner
fd = _os.open(file, flags, 0600)
OSError: [Errno 2] No such file or directory: 'r\\nptdms_yjfyam'
Here is my code:
from nptdms import TdmsFile
import numpy as np
import pandas as pd
#set Tdms file path
tdms_file = TdmsFile(r"C:\\Users\daniel.worts\Desktop\this_is_my_tdms_file.tdms","r")
# set variable for TDMS groups
group_nameone = '101'
group_nametwo = '752'
# set objects for TDMS channels
channel_dataone = tdms_file.object(group_nameone 'Payload_1')
channel_datatwo = tdms_file.object(group_nametwo, 'Payload_2')
# set data from channels
data_dataone = channel_dataone.data
data_datatwo = channel_datatwo.data
print data_dataone
print data_datatwo
Big thanks to anyone who may have encountered this before and can help point to what I am missing.
Best,
- Dan
edit:
Solved the read data issue by removing the 'r' argument from the file path.
Now I am having another error I can't trace when trying to write.
from nptdms import TdmsFile, TdmsWriter, RootObject, GroupObject, ChannelObject
import numpy as np
import pandas as pd
newfilepath = r"C:\\Users\daniel.worts\Desktop\Mined.tdms"
datetimegroup101_channel_object = ChannelObject('101', DateTime, data_datetimegroup101)
with TdmsWriter(newfilepath) as tdms_writer:
tdms_writer.write_segment([datetimegroup101_channel_object])
Returns error:
Traceback (most recent call last):
File "PullTDMSdataIntoNewFile.py", line 82, in <module>
tdms_writer.write_segment([datetimegroup101_channel_object])
File "C:\Anaconda2\lib\site-packages\nptdms\writer.py", line 68, in write_segment
segment = TdmsSegment(objects)
File "C:\Anaconda2\lib\site-packages\nptdms\writer.py", line 88, in __init__
paths = set(obj.path for obj in objects)
File "C:\Anaconda2\lib\site-packages\nptdms\writer.py", line 88, in <genexpr>
paths = set(obj.path for obj in objects)
File "C:\Anaconda2\lib\site-packages\nptdms\writer.py", line 254, in path
self.channel.replace("'", "''"))
AttributeError: 'TdmsObject' object has no attribute 'replace'
This is a very very strange issue. I have quite a large excel file (the contents of which I cannot discuss as it is sensitive data) that is a .xlsx and IS a valid excel file.
When I download it from my email and save it on my desktop and try to open the workbook using xlrd, xlrd throws an AssertionError and does not show me what went wrong.
When I open the file using my file browser, then save it (without making any changes), it works perfectly with xlrd.
Has anyone faced this issue before? I tried passing in various flags to the open_workbook function to no avail and I tried googling for the error. So far I haven't found anything.
The method I used was as follows
file = open('bigexcelfile.xlsx')
fileString = file.read()
wb = open_workbook(file_contents=filestring)
Please help! The error is as follows
Traceback (most recent call last):
File "./varify/samples/resources.py", line 354, in post
workbook = xlrd.open_workbook(file_contents=fileString)
File "/home/vagrant/varify-env/lib/python2.7/site-packages/xlrd/__init__.py", line 416, in open_workbook
ragged_rows=ragged_rows,
File "/home/vagrant/varify-env/lib/python2.7/site-packages/xlrd/xlsx.py", line 791, in open_workbook_2007_xml
x12sheet.process_stream(zflo, heading)
File "/home/vagrant/varify-env/lib/python2.7/site-packages/xlrd/xlsx.py", line 528, in own_process_stream
self_do_row(elem)
File "/home/vagrant/varify-env/lib/python2.7/site-packages/xlrd/xlsx.py", line 722, in do_row
assert tvalue is not None
AssertionError
rename or Save as your Excel file as .xls instead of .xlsx
Thank You
Use pyopenxl, not xlrd, for this format: https://openpyxl.readthedocs.org/en/latest/