what charset is in your my.cnf and/or how are you connecting. Mine only
produces a warning. Here is an MCVE (definition: I can actually run it):
from sqlalchemy import *
from sqlalchemy.orm import *
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()
class A(Base):
__tablename__ = 'a'
id = Column(Integer, primary_key=True)
data = Column(String(255))
e = create_engine("mysql+pymysql://scott:tiger@localhost/test", echo=True)
Base.metadata.create_all(e)
gcm_key =
'\xfeE\x87\xe7\xc9\xe5\xec\xe0\x9c\xd6\x85\x11\xc7\xebd\xe3\x7f\xd9\xfel\xe6\x86"j\xbe=\xf4\xd7\x95\x99F\x8f'
s = Session(e)
s.add(A(data=gcm_key))
s.commit()
output:
python test.py
/home/classic/.venv/lib/python2.7/site-packages/pymysql/cursors.py:146:
Warning: Table 'test' already exists
result = self._query(query)
/home/classic/.venv/lib/python2.7/site-packages/pymysql/cursors.py:146:
Warning: Incorrect string value: '\xFEE\x87\xE7\xC9\xE5...' for column
'data' at row 1
result = self._query(query)
please run this script and modify it to show your error thanks!
On 06/09/2016 10:42 AM, Ven Karri wrote:
Any ideas?
On Thursday, June 9, 2016 at 10:21:27 AM UTC-4, Ven Karri wrote:
Using, python 2.7 using 'mysql+pymysql' driver
Code is very simple:
gcm_key =
'\xfeE\x87\xe7\xc9\xe5\xec\xe0\x9c\xd6\x85\x11\xc7\xebd\xe3\x7f\xd9\xfel\xe6\x86"j\xbe=\xf4\xd7\x95\x99F\x8f'
model = Sample(gcm_key=gcm_key)
session.add(model)
Now what you said is to make it u'some string'. The string in
question here is the gcm_key. So, I did this:
gcm_key = gcm_key.decode('utf8')
That throws an error:
UnicodeDecodeError: 'utf8' codec can't decode byte 0xfe in position
0: invalid start byte
On Thursday, June 9, 2016 at 10:04:49 AM UTC-4, Mike Bayer wrote:
On 06/09/2016 09:52 AM, Ven Karri wrote:
> I am getting a UTF-8 error upon insert using sql alchemy ORM.
The same
> query runs fine when I run using raw sql. Here's the ORM query:
>
> rotating_keys_object = rotating_keys_model(
> gcm_key=rot_gcm_key,
> nonce=rot_nonce,
> tag=rot_tag,
> operational_team_id=self.operational_team_id
> )
> session.add(rotating_keys_object)
>
> Here's the error:
>
> DatabaseError: (raised as a result of Query-invoked autoflush;
consider
> using a session.no_autoflush block if this flush is occurring
> prematurely) (DatabaseError) 1300: Invalid utf8 character string:
> 'FE4587' u'INSERT INTO rotating_keys (gcm_key, nonce, tag,
> operational_team_id) VALUES (%(gcm_key)s, %(nonce)s, %(tag)s,
> %(operational_team_id)s)' {'gcm_key':
>
'\xfeE\x87\xe7\xc9\xe5\xec\xe0\x9c\xd6\x85\x11\xc7\xebd\xe3\x7f\xd9\xfel\xe6\x86"j\xbe=\xf4\xd7\x95\x99F\x8f',
> 'nonce': 'o\xcb\x06\xe0\xe9\xech\xed\xed?T\xf4\xaf\x9a\xe1N',
> 'operational_team_id': 1, 'tag':
> ";p\xcce\xd2\xb8'\xf5\x89q\xc1\xa0\xfa\xff\x11\xf9"}
when you deal with non-ascii values in Python, it's best to use an
encoding-neutral Python unicode object, in Py2K this is a string
like
u'some string'. The conversion to utf8 is done by the database
driver
when it is passed from your application to the driver.
If that's not the problem here then you'd need to illustrate
many more
details, including version of python in use, database driver in
use, an
MCVE code example that we can run (see
http://stackoverflow.com/help/mcve
<http://stackoverflow.com/help/mcve>).
>
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