I frequently use a script to FTP files, but since upgrading to Python 3.9, Iíve been unable to run the script without getting an error stating that codec canít decode certain bytes because theyíre invalid start bytes. Hereís the most recent
Traceback (most recent call last):
File "C:\Tools\source\GBAS_master\GBAS\src\RepositorySync.py", line 601, in <module>
File "C:\Tools\source\GBAS_master\GBAS\src\RepositorySync.py", line 537, in ProcessSubdirectory
unusedDirFlag1 = ProcessFileGroup('*.COM', trimmedTarget) # Must be first as this creates new output _ListFiles.txt
File "C:\Tools\source\GBAS_master\GBAS\src\RepositorySync.py", line 506, in ProcessFileGroup
File "C:\Tools\source\GBAS_master\GBAS\src\RepositorySync.py", line 370, in GetFile
res = self.ftp.retrlines('RETR ' + file, SpecialWrite) # This line varies....
File "C:\Program Files\Python39\lib\ftplib.py", line 458, in retrlines
line = fp.readline(self.maxline + 1)
File "C:\Program Files\Python39\lib\codecs.py", line 322, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xfa in position 6310: invalid start byte
0xfa is an interpunct/middle dot(∑). I also got the same error multiple times with byte 0xa9 which is the copyright symbol (©).
My team believes a Python bug is causing this error because my boss was able to run the exact same script minutes with Python 3.7.7 & 3.8.3 without throwing an error.
Please let me know if I can provide any more information.
In case this helps, it looks like someone else ran into this same error with Python 2.7 back in 2017: https://github.com/dxa4481/truffleHog/issues/27
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