we've got unicode round trips down very well for years now with plenty of
tests, so would need a specific series of steps to reproduce what you're doing
here. Note that the recommended connect string for MySQL + Mysqldb looks like
mysql://scott:ti...@localhost/test?charset=utf8&use_unicode=0 .
On Nov 29, 2010, at 2:37 AM, Warwick Prince wrote:
> Hi All
>
> I thought I had "Character Encoding" licked, but I've hit something I can't
> work through. Any help appreciated.
>
> I have a "legacy" non SQL database that I read legacy data from (using cool
> Python code that emulates the old ISDB binary comms) and it reads a str which
> has "Foreign" language chars in it. (French for example).
>
> So, firstly, I have myStr = ''Aligot\xc3\xa9" which when printed is
> Aligoté. So far so good.
>
> I then convert that to unicode by myUnicode = unicode(myStr, 'utf-8',
> errors='ignore') and get u'Aligot\xe9'. This printed is also Aligoté,
> therefore all is good.
>
> I have a MySQL database, InnoDB table, charset utf-8.
>
> I set up my values in a dict called setValues with all the columns and their
> respective unicode'd values ready to go
>
> I then do a table.insert(values=setValues).execute() and get this error.
>
> Traceback (most recent call last):
> File "C:\Documents and Settings\wprince\Desktop\PY CODE
> DEVELOPMENT\CESyncSQL\TEST_Sync.py", line 148, in SYNC_IT
> SyncFunction(ceDB, session, meta)
> File "C:\Documents and Settings\wprince\Desktop\PY CODE
> DEVELOPMENT\CESyncSQL\TEST_Sync.py", line 840, in SYNC_VarietiesOUT
> DAPDB_SetColumns(meta, 'varieties',
> {'DescriptiveText':self.CEUnicode(tVarieties.ceVarietyText.value),
> 'FlavourText':self.CEUnicode(tVarieties.ceFlavourText.value),
> 'ImageURL':imageURL}, Variety=variety)
> File "C:\Python26\lib\DAPDBHelpers.py", line 323, in DAPDB_SetColumns
> table.insert(values=setColumns).execute()
> File "C:\Python26\lib\site-packages\sqlalchemy\sql\expression.py", line
> 1217, in execute
> return e._execute_clauseelement(self, multiparams, params)
> File "C:\Python26\lib\site-packages\sqlalchemy\engine\base.py", line 1722,
> in _execute_clauseelement
> return connection._execute_clauseelement(elem, multiparams, params)
> UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position
> 4: ordinal not in range(128)
>
> I know what the error "means", I just don't know why I'm getting it. The
> offending u'\xe9' character is in the DescriptiveText column.
> DAPDB_SetColumns is a simple wrapper around an update/insert that builds up
> the table.insert(values=setColumns).execute() you see.
>
> This is what setColumns looks like;
> {'ImageURL': '', 'DescriptiveText': u'Carm\xe9n\xe8re is a red wine grape
> variety originally from Bordeaux, France. Having lost favor in France, the
> largest area planted with this variety is in now Chile. It only survived, due
> to growers believing it was Merlot. The vines were imported into Chil',
> 'FlavourText': u'Carmenere is a full bodied red wine with approachable
> tannins and a combination of sweet berry fruit, savory pepper, smoke, tar,
> with a slight leafy character.\n', 'Variety': u'Carmenere'}
>
> 'Variety' is the primary key BTW.
>
> What gives? It feels like SQLA is encoding/decoding somewhere it shouldn't..
>
> Cheers
> Warwick
>
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