Hi, I am facing the exact same issue. Any work-around for this?
On Saturday, March 8, 2014 8:15:26 PM UTC+5:30, Tony Locke wrote: > > Thanks for your list (and patch) Mariano, that's very useful. I've opened > an issue for it at: > > https://github.com/mfenniak/pg8000/issues/30 > > On Monday, 3 March 2014 20:26:15 UTC, Mariano Reingart wrote: >> >> Including contrib in sys.path would be interesting but there could be >> collisions (for example, in this case, witch pg8000 will be imported: the >> one installed or the one in gluon.contrib?) >> >> Tony: there are other changes needed for web2py (see the diff for web2py >> DAL I've attached earlier), the most important are: >> >> * missing __version__ attribute (now it is on setup.py, web2py need it >> to differentiate drivers capabilities) >> * connect doesn't suppor dsn string anymore (you need to pass keyword >> parameters) >> * set_client_encoding is not present anymore (you need to execute SQL >> SET ...) >> * server_version attribute has a leading underscore (_server_version), >> this is need to detect server capabilities like JSON >> >> Also, for the pg8000 driver currently in web2py, I'd applied many >> bugfixes reported in github / launchpad for the original project (mainly >> data types, unicode, importing, etc.) >> Also, I'd improved the psycopg2 compatibility (i.e. set_client_encoding, >> autocommit, set_isolation_level), implementing the simple query protocol >> (the one that uses psycopg2, and to avoid overhead of non-prepared >> statements) and two-phase commit support. >> >> The last would be important for web2py distributed_transaction_commit, >> but currently gluon.dal is sending raw SQL PREPARE TRANSACTION / COMMIT >> PREPARED / ROLLBACK PREPARED without using dbapi proposed methods TPC >> Connection Methods (tpc_begin, tpc_prepare, tpc_commit, tpc_rollback, >> tpc_recover) >> >> You can see the detail of the changes applied to the web2py contrib >> pg8000 here: >> >> https://code.google.com/p/pg8000/source/list >> >> https://github.com/reingart/pg8000/commits/master >> >> If this kind of changes could be accepted (psycopg2 compatibility, simple >> query protocol, dbapi 2.0 two-pass commit, etc.), I could help to make the >> pull requests (note that some could depend on each other). >> Sorry I couldn't keep track of pg8000 due lack of time, so I don't know >> what direction the project has taken. >> >> Best regards, >> >> >> Mariano Reingart >> http://www.sistemasagiles.com.ar >> http://reingart.blogspot.com >> >> >> On Mon, Mar 3, 2014 at 10:23 AM, Massimo Di Pierro <[email protected] >> > wrote: >> >>> I agree with Niphlod. I do not like packages that need to be installed >>> to work and explicit relative imports is better than absolute imports. >>> Yet, this is not the only package we had to tweak to include in contrib. >>> So this may come up again. Any objection to include contrib in sys.path? >>> >>> >>> On Sunday, 2 March 2014 18:29:45 UTC-6, Niphlod wrote: >>>> >>>> as long as you can use it without installing it in sys.path, then it's >>>> fine. If not, it can't be shipped with web2py, just supported as a module. >>>> I don't like packages that needs a complete install to work. It's true >>>> that we have venvs for quite some time now, but a module with less than 10 >>>> files can accomodate for relative imports quite finely without impairing >>>> the code-reader in everyone of us :P >>>> >>>> BTW, search for "explicit relative imports" in that doc :-P >>>> >>>> On Sunday, March 2, 2014 7:24:58 PM UTC+1, Tony Locke wrote: >>>>> >>>>> Hi, I'm a contributor to pg8000 and if there are any changes you need >>>>> to get pg8000 working with web2py, let me know. Looking at the absolute >>>>> import problem, PEP8 seems to think absolute imports are the way to go: >>>>> >>>>> http://legacy.python.org/dev/peps/pep-0008/ >>>>> <http://www.google.com/url?q=http%3A%2F%2Flegacy.python.org%2Fdev%2Fpeps%2Fpep-0008%2F&sa=D&sntz=1&usg=AFQjCNG8T4Krvic_V8TCmT4iog4T5e4pyg> >>>>> >>>>> (search for 'relative' in the text) but I'm open to persuasion :-) >>>>> >>>>> Cheers, >>>>> >>>>> Tony. >>>>> >>>>> On Saturday, 1 March 2014 11:18:43 UTC, Joe Barnhart wrote: >>>>>> >>>>>> Hi Mariano -- >>>>>> >>>>>> I'd like to encourage you to keep making pg8000 a viable alternative >>>>>> for web2py. I started with it but had to change to psycopg2 because of >>>>>> some issues that postgres handled better under the psy driver. But I >>>>>> think >>>>>> pypy could be the future of python and it won't support a driver like >>>>>> psycopg2 -- but it could support pg8000 since it is all python. >>>>>> >>>>>> It's just good to have an alternative because no driver does it all. >>>>>> >>>>>> -- Joe B. >>>>>> >>>>>> On Tuesday, February 25, 2014 6:55:17 PM UTC-8, Mariano Reingart >>>>>> wrote: >>>>>>> >>>>>>> Hi Horst: >>>>>>> >>>>>>> Sadly there have been a lot of changes in pg8000, so it is not >>>>>>> backward compatible with the current custom version in web2py. >>>>>>> >>>>>>> First, you need to delete the pg8000 folder in contrib, and put the >>>>>>> new pg8000 folder (the one with __init__.py) directly in the web2py top >>>>>>> level folder (at the same level as gluon). >>>>>>> Note that the new pg8000 uses absolute imports that will not work if >>>>>>> pg8000 is in contrib folder (or it should be added to the PYTHONPATH) >>>>>>> >>>>>>> Second, you need to apply the attached patch to gluon/dal.py to: >>>>>>> * change the import (and add a missing __version__ attribute) >>>>>>> * change connection to pass individual parameters (dsn string is >>>>>>> not supported anymore) >>>>>>> * change after_connection set_client_encoding to execute SQL >>>>>>> * change server_version to _server_version >>>>>>> >>>>>>> I'll propose (again) to the pg8000 group the changes I've introduced >>>>>>> for web2py, so the latest version could be used as a direct drop-in >>>>>>> replacement for psycopg2 >>>>>>> IIRC, at some stage the author gave me commit access, but I didn't >>>>>>> have time to pull my changes and missed some discussions about the >>>>>>> project >>>>>>> internals. >>>>>>> >>>>>>> Best regards >>>>>>> >>>>>>> >>>>>>> Mariano Reingart >>>>>>> http://www.sistemasagiles.com.ar >>>>>>> http://reingart.blogspot.com >>>>>>> >>>>>>> >>>>>>> On Tue, Feb 25, 2014 at 5:46 PM, Horst Horst <[email protected]> >>>>>>> wrote: >>>>>>> >>>>>>>> I've tried the latest pg8000 as a drop-in replacement, but it seems >>>>>>>> web2py can't import it: >>>>>>>> >>>>>>>> <type 'exceptions.RuntimeError'> Failure to connect, tried 5 times: >>>>>>>> Traceback (most recent call last): File "/Users/sfx/dev/mdb/web2py. >>>>>>>> app/Contents/Resources/gluon/dal.py", line 7766, in __init__ File >>>>>>>> "/Users/sfx/dev/mdb/web2py.app/Contents/Resources/gluon/dal.py", >>>>>>>> line 2756, in __init__ File "/Users/sfx/dev/mdb/web2py. >>>>>>>> app/Contents/Resources/gluon/dal.py", line 795, in find_driver >>>>>>>> RuntimeError: no driver available ('psycopg2', 'pg8000') >>>>>>>> >>>>>>>> I didn't step through it in the debugger, but the module's >>>>>>>> __init__.pyc got compiled, so I know web2py attempted an import. >>>>>>>> >>>>>>>> The latest pg8000/__init__.py contains a section which matches the >>>>>>>> former interface >>>>>>>> >>>>>>>> # For compatibility with 1.8 >>>>>>>> import pg8000 as dbapi >>>>>>>> DBAPI = dbapi >>>>>>>> pg8000_dbapi = DBAPI >>>>>>>> >>>>>>>> so I'd guess it's a minor problem, nonetheless I'm lost at this >>>>>>>> point. >>>>>>>> >>>>>>>> >>>>>>>> On Monday, February 24, 2014 9:32:05 PM UTC+1, Mariano Reingart >>>>>>>> wrote: >>>>>>>> >>>>>>>>> You could try to update pg8000 from the official: >>>>>>>>> >>>>>>>>> https://github.com/mfenniak/pg8000 >>>>>>>>> >>>>>>>>> Let us know if that works, so we could update the one distributed >>>>>>>>> with web2py >>>>>>>>> The one currently distributed in contrib is an older version with >>>>>>>>> custom patches (as it was not being mantained at the time it was >>>>>>>>> included >>>>>>>>> to web2py), but now the official site has updates that could help you >>>>>>>>> in >>>>>>>>> this case. >>>>>>>>> >>>>>>>>> Best regards >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> Mariano Reingart >>>>>>>>> http://www.sistemasagiles.com.ar >>>>>>>>> http://reingart.blogspot.com >>>>>>>>> >>>>>>>>> >>>>>>>>> On Mon, Feb 24, 2014 at 10:18 AM, Horst Horst <[email protected]> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> I'm getting a: >>>>>>>>>> >>>>>>>>>> <class 'gluon.contrib.pg8000.errors.NotSupportedError'> type >>>>>>>>>> oid 114 not mapped to py type >>>>>>>>>> >>>>>>>>>> I'm wondering what's the best thing to do now? Currently I'm >>>>>>>>>> considering: >>>>>>>>>> >>>>>>>>>> - using TEXT instead. But my former JSON strings are then >>>>>>>>>> enclosed by "|" which leads to new errors >>>>>>>>>> >>>>>>>>>> - updating gp8000 (there seems to be a newer version, but the >>>>>>>>>> version numbering is confusing) >>>>>>>>>> >>>>>>>>>> - using psycopg2. How can I install this into an Mac OS >>>>>>>>>> standalone version of web2py? >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> Resources: >>>>>>>>>> - http://web2py.com >>>>>>>>>> - http://web2py.com/book (Documentation) >>>>>>>>>> - http://github.com/web2py/web2py (Source code) >>>>>>>>>> - https://code.google.com/p/web2py/issues/list (Report Issues) >>>>>>>>>> --- >>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>> Google Groups "web2py-users" group. >>>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>>> send an email to [email protected]. >>>>>>>>>> >>>>>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>> Resources: >>>>>>>> - http://web2py.com >>>>>>>> - http://web2py.com/book (Documentation) >>>>>>>> - http://github.com/web2py/web2py (Source code) >>>>>>>> - https://code.google.com/p/web2py/issues/list (Report Issues) >>>>>>>> --- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "web2py-users" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to [email protected]. >>>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>>> >>>>>>> >>>>>>> -- >>> Resources: >>> - http://web2py.com >>> - http://web2py.com/book (Documentation) >>> - http://github.com/web2py/web2py (Source code) >>> - https://code.google.com/p/web2py/issues/list (Report Issues) >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "web2py-users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. 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