Sure! Let me see how to do that and I will. Thank you

Le mercredi 28 mars 2018 18:49:08 UTC+2, Massimo Di Pierro a écrit :
>
> I think this is. Can you please open an issue about it?
>
> On Tuesday, 27 March 2018 13:32:15 UTC-5, [email protected] 
> <javascript:> wrote:
>>
>> Hello All,
>>
>> I'm an absolute newbie with web2py so I'm not sure if the issue lies in 
>> web2py/3.6 or my own mistakes... My apologies in advance.
>>
>> I encounter this error in a db.my_table.update_or_insert(..)
>>
>> UnicodeDecodeError: 'utf-8' codec can't decode byte 0xfe in position 96328: 
>> invalid start byte'
>>
>>
>> What I'm trying to do:
>> I have a text file that is the representation of a datamodel in a 
>> specific COTS format.
>> I want to parse it, list the tables to be created and create them 
>> actually.
>> I know that the file countains non-utf-8 characters, that's why I open it 
>> in binary:
>>
>>        dpm_file = gzip.open(filepath,'rb')
>>
>> ... parse it using binary regex: (I imported the 'regex' module)
>>         regexp = regex.compile(b':columns 
>> (\(((?>[^()]+)|(?1))*\))',regex.DOTALL)
>>         header_classes = regexp.findall(one_format_text)[0]
>>
>> ... and insert the results in db blob fields: (the error occurs here)
>>     db.dpm_header.update_or_insert(db.dpm_header.dpm == my_dpm_id, dpm = 
>> my_dpm_id, header_classes  = header_classes, header_objects  = 
>> header_objects)
>>
>> I defined blob fields because I thought that it was the way to write 
>> directly in binary in database.
>> I really wanted to use binary preciselly to avoid to manage the 
>> encoding/decoding issues.
>>
>> In addition, this project is an attempt to transport in web2py an older 
>> project that was working perfectly in pure python 3.6.3 (unix and windows) 
>> (except that instead of creating tables in a DB, I created text files in a 
>> filer...).
>> Is it a issue on web2py/python 3.6? Or my misunderstanding on database 
>> management...
>>
>> Thank you for your help!
>>
>> Here is the trace
>>
>> Traceback (most recent call last):
>>   File "D:\web\zz\web2py\gluon\restricted.py", line 219, in restricted
>>     exec(ccode, environment)
>>   File "D:/web/zz/web2py/applications/dpm_manager/controllers/default.py" 
>> <http://127.0.0.1:8000/admin/default/edit/dpm_manager/controllers/default.py>,
>>  line 175, in <module>
>>   File "D:\web\zz\web2py\gluon\globals.py", line 419, in <lambda>
>>     self._caller = lambda f: f()
>>   File "D:\web\zz\web2py\gluon\tools.py", line 3982, in f
>>     return action(*a, **b)
>>   File "D:/web/zz/web2py/applications/dpm_manager/controllers/default.py" 
>> <http://127.0.0.1:8000/admin/default/edit/dpm_manager/controllers/default.py>,
>>  line 131, in analyze
>>     header_classes  = header_classes)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\objects.py", line 811, in 
>> update_or_insert
>>     record = self(_key)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\objects.py", line 565, in 
>> __call__
>>     orderby_on_limitby=False).first()
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\objects.py", line 2250, in 
>> select
>>     return adapter.select(self.query, fields, attributes)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\adapters\sqlite.py", line 
>> 82, in select
>>     return super(SQLite, self).select(query, fields, attributes)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\adapters\base.py", line 
>> 762, in select
>>     return self._select_aux(sql, fields, attributes, colnames)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\adapters\base.py", line 
>> 741, in _select_aux
>>     return processor(rows, fields, colnames, cacheable=cacheable)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\adapters\base.py", line 
>> 305, in parse
>>     for row in rows
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\adapters\base.py", line 
>> 302, in <listcomp>
>>     self._parse(
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\adapters\base.py", line 
>> 231, in _parse
>>     value = self.parse_value(value, fit, ft, blob_decode)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\adapters\base.py", line 
>> 198, in parse_value
>>     return self.parser.parse(value, field_itype, field_type)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\parsers\__init__.py", line 
>> 101, in parse
>>     return self.registered[field_itype](value, field_type)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\parsers\__init__.py", line 
>> 76, in __call__
>>     return self.call(value, field_type)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\parsers\__init__.py", line 
>> 73, in _call
>>     return self.f(self.parser, value)
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\parsers\base.py", line 37, 
>> in _blob
>>     return to_native(b64decode(to_bytes(value)))
>>   File "D:\web\zz\web2py\gluon\packages\dal\pydal\_compat.py", line 82, in 
>> to_native
>>     return obj.decode(charset, errors)
>> UnicodeDecodeError: 'utf-8' codec can't decode byte 0xfe in position 96328: 
>> invalid start byte
>>
>>

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