Re: [ANN]:JSONStream
Looks interesting. In YAML we used three dashes as the stream
separator.
So already a YAML processor could handle a JSON stream ...
for doc in yaml.load_all(
... --- {one: value}
... --- {two: another}
... ---
... {three: a third item in the stream,
... with: more data}
... ):
... print doc
...
{'one': 'value'}
{'two': 'another'}
{'with': 'more data', 'three': 'a third item in the stream'}
--
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HTSQL 2.2 : A Query Language for the Accidental Programmer
We'd like to announce the next release of HTSQL, a high-level
query language for relational databases. HTSQL is specifically
designed for data analysts web developers and makes writing and
maintaining complex queries a pleasure. HTSQL can be used as a
command-line interpreter, a WSGI application, or a Python library.
# Create an HTSQL instance.
from htsql import HTSQL
htsql = HTSQL(pgsql:htsql_demo)
# Find all schools matching the given pattern.
query = /school?name~$pattern
for row in htsql.produce(query, pattern='art'):
... print row
...
school(code=u'art', name=u'School of Art and Design', campus=u'old')
school(code=u'la', name=u'School of Arts and Humanities',
campus=u'old')
# For schools in the old campus, get # of associated programs and
departments.
query = /school{name, count(program), count(department)}?campus='old'
for row in htsql.produce(query):
... print %s: %d programs, %d departments % row
...
School of Art and Design: 3 programs, 2 departments
College of Education: 7 programs, 2 departments
School of Arts and Humanities: 9 programs, 5 departments
School of Natural Sciences: 6 programs, 4 departments
For more detailed instructions for use with Python, see
http://htsql.org/doc/embed.html
Homepage: http://htsql.org
Download: http://pypi.python.org/pypi/HTSQL
Source: http://bitbucket.org/prometheus/htsql
Since our 2.1 release, we've focused on usability improvements.
We've added a web-based query editor with syntax highlighting
completion. We also implemented a new configuration system to
provide granular meta-data customization. Finally, we added
plugins for Django and SQLAlchemy integration. For a detailed
list of changes, see http://htsql.org/blog/htsql-2.2-final.html
Please join us at #htsql on irc.freenode.net
Clark C. Evans Kirill Simonov
--
http://mail.python.org/mailman/listinfo/python-announce-list
Support the Python Software Foundation:
http://www.python.org/psf/donations/
HTSQL 2.1-RC1 : A Query Language for the Accidental Programmer
We'd like to announce the release candidate for HTSQL 2.1, a high-level query language and web service gateway for relational databases. HTSQL is specifically designed for analytical inquiries and targeted to data analysts and web developers. HTSQL is implemented as a WSGI component, works with PostgreSQL, MySQL, SQLite and could be used to embed ad-hoc reporting features into your Python application. Homepage: http://htsql.org Download: http://pypi.python.org/pypi/HTSQL/ Source: http://bitbucket.org/prometheus/htsql Since 2.0 release, announced in February, we added many new language features which increase the query power of the language. HTSQL is now able to express quite sophisticated business inquiries. The 2.2 release of HTSQL later this year will be focused on usability. It'll include improved configuration, a query editor and formatting options. Also for this release we've cleaned up the homepage for HTRAF -- a javascript toolkit for constructing attractive dashboards and interactive reports. This toolkit is MIT licensed and implemented as a JQuery plugin. For more detail, please visit http://htraf.org. Let's us know if you have any questions! Clark C. Evans Kirill Simonov *** HTSQL -- A Query Language for the Accidental Programmer *** HTSQL (Hyper Text Structured Query Language) is a high-level query language for relational databases. The target audience for HTSQL is the accidental programmer -- one who is not a SQL expert, yet needs a usable, comprehensive query tool for data access and reporting. HTSQL is also a web service which takes a request via HTTP, translates it into a SQL query, executes the query against a relational database, and returns the results in a format requested by the user agent (JSON, CSV, HTML, etc.). Use of HTSQL with open source databases (PostgreSQL, MySQL, SQLite) is royalty free under BSD-style conditions. Use of HTSQL with proprietary database systems (Oracle, Microsoft SQL) requires a commercial license. See ``LICENSE`` for details. For installation instructions, see ``INSTALL``. For list of new features in this release, see ``NEWS``. HTSQL documentation is in the ``doc`` directory. http://htsql.org/ The HTSQL homepage http://htsql.org/doc/introduction.html Get taste of HTSQL http://htsql.org/doc/tutorial.html The HTSQL tutorial http://bitbucket.org/prometheus/htsql HTSQL source code irc://irc.freenode.net#htsql IRC chat in #htsql on freenode http://lists.htsql.org/mailman/listinfo/htsql-users The mailing list for users of HTSQL HTSQL is copyright by Prometheus Research, LLC. HTSQL is written by Clark C. Evans c...@clarkevans.com and Kirill Simonov x...@resolvent.net. Generous support for HTSQL was provided by the Simons Foundation. This material is also based upon work supported by the National Science Foundation under Grant #0944460. -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations/
Re: HTSQL 2.0 RC1 -- a Query Language for the Accidental Programmer
On Fri, 21 Jan 2011 21:25 -0800, rusi rustompm...@gmail.com wrote: On Jan 22, 2:45 am, Clark C. Evans c...@clarkevans.com wrote: Kirill Simonov and myself would like to introduce HTSQL, a novel approach to relational database access which is neither an ORM nor raw SQL. Given the claim htsql is higher level than sql I am interested in bill-of-materials type (recursive) queries. Rusi, HTSQL 2.0 does not yet support SQL's common table expressions. However, this particular use case, along with CUBE, server-side stored procedures, and related needs is what made us branch from our 1.X production release. Our immediate focus is SQL-92. Once we cover most SELECT patterns and SQL back-ends, we'll be looking at SQL:1999, SQL:2003, and SQL:2008 (as well as proprietary equivalents such as Oracle's CONNECT BY). Best, Clark -- http://mail.python.org/mailman/listinfo/python-list
HTSQL 2.0 RC1 -- a Query Language for the Accidental Programmer
Kirill Simonov and myself would like to introduce HTSQL, a novel approach to relational database access which is neither an ORM nor raw SQL. HTSQL is a URI-based high-level query language for relational databases. It's implemented as a Python WSGI application. Currently it supports PostgreSQL and SQLite (more databases juicy features forthcoming). Homepage: http://htsql.org Download: http://pypi.python.org/pypi/HTSQL/ Source: http://bitbucket.org/prometheus/htsql At this point, HTSQL 2.0 may not be mature enough for production use; we expect to fill in any remaining gaps in the coming months. We're curious what you think. Join us in #htsql on freenode [1], subscribe to the mailing list [2] and please come to our PyCon 2011 talk [3]. Clark Kirill [1] irc://irc.freenode.net/#htsql [2] http://lists.htsql.org/mailman/listinfo/htsql-users [3] http://us.pycon.org/2011/schedule/sessions/264/ -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations/
HTSQL 2.0 RC1 -- a Query Language for the Accidental Programmer
Kirill Simonov and myself would like to introduce HTSQL, a novel approach to relational database access which is neither an ORM nor raw SQL. HTSQL is a URI-based high-level query language for relational databases. It's implemented as a Python WSGI application. Currently it supports PostgreSQL and SQLite (more databases juicy features forthcoming). Homepage: http://htsql.org Download: http://pypi.python.org/pypi/HTSQL/ Source: http://bitbucket.org/prometheus/htsql At this point, HTSQL 2.0 may not be mature enough for production use; we expect to fill in any remaining gaps in the coming months. We're curious what you think. Join us in #htsql on freenode [1], subscribe to the mailing list [2] and please come to our PyCon 2011 talk [3]. Clark Kirill [1] irc://irc.freenode.net/#htsql [2] http://lists.htsql.org/mailman/listinfo/htsql-users [3] http://us.pycon.org/2011/schedule/sessions/264/ -- http://mail.python.org/mailman/listinfo/python-list
feature request / max size limit on StringIO
Hello. I've not been able to use cStringIO since I have the need to ensure that the memory buffers created are bounded within a resonable limit set by specifications. No, this code does not properly belong in my application as the modules that use files should not have to care about any resource limitations that may be imposed. class LimitedBuffer(StringIO): def __init__(self, buffer = None, maxsize = 5 * 1000 * 1000): StringIO.__init__(self,buffer) self.cursize = 0 self.maxsize = maxsize def write(self,str): self.cursize += len(str) if self.cursize self.maxsize: raise IOError(allocated buffer space exceeded) return StringIO.write(self,str) Kind Regards, Clark Evans -- http://mail.python.org/mailman/listinfo/python-list
file uploading via urllib2 (multipart/form-data)
Hello. I was wondering if anyone has built a module that works with urllib2 to upload file content via POST multipart/form-data. I'm aware of ASPN 146306, however, I need to use urllib2 beacuse I'm using HTTP Digest over SSL. Cheers, Clark -- http://mail.python.org/mailman/listinfo/python-list
