error UnicodeDecodeError utf-8 codec can t decode byte 0xff in position 0 invalid start byte

Question

https   github com affinelayer pix2pix-tensorflow tree master tools  An error occurred when compiling  process py  on the above site    python tools process py --input dir data --            operation resize --outp ut dir data2 resize data 0 jpg - gt  data2 resize 0 png   Traceback  most recent call last    File  tools process py   line 235  in  lt module gt    main   File  tools process py   line 167  in main   src   load src path  File  tools process py   line 113  in load   contents   open path  read         File  home user anaconda3 envs tensorflow 2 lib python3 5 codecs py   line 321  in decode    result  consumed    self  buffer decode data  self errors  final  UnicodeDecodeError   utf-8  codec can t decode     byte 0xff in position 0  invalid start byte   What is the cause of the error  Python s version is 3 5 2

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Use encoding format ISO-8859-1 to solve the issue

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I had a similar issue with PNG files  and I tried the solutions above without success  this one worked for me in python 3 8 with open path   quot rb quot   as f

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This is due to the different encoding method when read the file  In python  it defaultly encode the data with unicode  However  it may not works in various platforms  I propose an encoding method which can help you solve this if  utf-8  not works  with open path  newline     encoding  cp1252   as csvfile      reader   csv reader csvfile   It should works if you change the encoding method here  Also  you can find other encoding method here standard-encodings   if above doesn t work for you

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You have to use the encoding as latin1 to read this file as there are some special character in this file  use the below code snippet to read the file  The problem here is the encoding type  When Python can t convert the data to be read  it gives an error  You can you latin1 or other encoding values  I say try and test to find the right one for your dataset

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It simply means that one chose the wrong encoding to read the file   On Mac  use file -I file txt to find the correct encoding  On Linux  use file -i file txt

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Had an issue similar to this  Ended up using UTF-16 to decode  my code is below   with open path to file  rb   as f      contents   f read   contents   contents rstrip   n   decode  utf-16   contents   contents split   r n     this would take the file contents as an import  but it would return the code in UTF format  from there it would be decoded and seperated by lines

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Python tries to convert a byte-array  a bytes which it assumes to be a utf-8-encoded string  to a unicode string  str    This process of course is a decoding according to utf-8 rules   When it tries this  it encounters a byte sequence which is not allowed in utf-8-encoded strings  namely this 0xff at position 0    Since you did not provide any code we could look at  we only could guess on the rest   From the stack trace we can assume that the triggering action was the reading from a file  contents   open path  read      I propose to recode this in a fashion like this   with open path   rb   as f    contents   f read     That b in the mode specifier in the open   states that the file shall be treated as binary  so contents will remain a bytes   No decoding attempt will happen this way

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I have the same issue when processing a file generated from Linux  It turns out it was related with files containing question marks

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Check the path of the file to be read  My code kept on giving me errors until I changed the path name to present working directory  The error was   newchars  decodedbytes   self decode data  self errors  UnicodeDecodeError   utf-8  codec can t decode byte 0xff in position 0  invalid start byte

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I had a similar issue and searched all the internet for this problem if you have this problem just copy your HTML code in a new HTML file and use the normal   lt meta charset  quot UTF-8 quot  gt  and it will work     just create a new HTML file in the same location and use a different name

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I have a similar problem  I try to run an example in tensorflow models objective detection and met the same message  Try to change Python3 to Python2

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if you are receiving data from a serial port  make sure you are using the right baudrate  and the other configs      decoding using  utf-8  but the wrong config will generate the same error     UnicodeDecodeError   utf-8  codec can t decode byte 0xff in position 0  invalid start byte   to check your serial port config on linux use   stty -F  dev ttyUSBX -a

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I ve come across this thread when suffering the same error  after doing some research I can confirm  this is an error that happens when you try to decode a UTF-16 file with UTF-8   With UTF-16 the first characther  2 bytes in UTF-16  is a Byte Order Mark  BOM   which is used as a decoding hint and doesn t appear as a character in the decoded string  This means the first byte will be either FE or FF and the second  the other   Heavily edited after I found out the real answer

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If possible  open the file in a text editor and try to change the encoding to UTF-8  Otherwise do it programatically at the OS level

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I had a similar problem   Solved it by   import io  with io open filename   r   encoding  utf-8   as fn    lines   fn readlines     However  I had another problem  Some html files  in my case  were not utf-8  so I received a similar error  When I excluded those html files  everything worked smoothly   So  except from fixing the code  check also the files you are reading from  maybe there is an incompatibility there indeed

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Use this solution it will strip out  ignore  the characters and return the string without them  Only use this if your need is to strip them not convert them   with open path  encoding  utf8   errors  ignore   as f    Using errors  ignore  You ll just lose some characters  but if your don t care about them as they seem to be extra characters originating from a the bad formatting and programming of the clients connecting to my socket server  Then its a easy direct solution  reference

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use only   base64 b64decode a     instead of   base64 b64decode a  decode  utf-8

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If you are on a mac check if you for a hidden file   DS Store  After removing the file my program worked

[python] error UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position 0: invalid start byte

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