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Project Description

Why?

DB API 2.0 works. ORMs are convenient but sometimes overkill. sql is a lightweight wrapper sitting on top of any DB API 2.0 connection offering a postgres like interface which makes working with SQL results bliss.

How?

>>> import sqlite3
>>> connection = sqlite3.connect(':memory:')
>>> import sql
>>> bliss = sql.SQL(connection)

run

run is the method to use when you want to run a query but do not care about the result e.g. to create a table:

>>> bliss.run("CREATE TABLE contributors (firstname VARCHAR, lastname VARCHAR)")
>>> bliss.run("INSERT INTO contributors VALUES (?, ?)", [('Andrew', 'Kuchling'),
...                                                      ('James', 'Henstridge'),
...                                                      ('Daniele', 'Varrazzo'),
...                                                      ('Marc-Andre', 'Lemburg')])

Nothing impressive so far, creating a cursor and calling executemany would achieve the same result.

one

one is the method to use when you know the result is a single row or only care about one.

>>> bliss.one("SELECT firstname FROM contributors WHERE lastname='Lemburg'") # doctest: +SKIP
u'Marc-Andre'

The string, nothing but the string, which in my book beats:

>>> cursor = connection.cursor()
>>> cursor.execute("SELECT firstname FROM contributors WHERE lastname='Lemburg'") # doctest: +ELLIPSIS
<sqlite3.Cursor object at ...>
>>> cursor.fetchone() # doctest: +SKIP
(u'Marc-Andre',)

Even better, if the result contains several column, one returns a namedtuple:

>>> bliss.one("SELECT * FROM contributors WHERE firstname='James'") # doctest: +SKIP
Record(firstname=u'James', lastname=u'Henstridge')

all

all is the method to use to retrieve all rows from a query.

>>> bliss.all("SELECT firstname FROM contributors") #doctest: +SKIP
[u'Andrew', u'James', u'Daniele', u'Marc-Andre']

It returns a list of namedtuples when appropriate:

>>> bliss.all("SELECT firstname, LENGTH(lastname) AS length FROM contributors") # doctest: +NORMALIZE_WHITESPACE +SKIP
[Record(firstname=u'Andrew', length=8),
 Record(firstname=u'James', length=10),
 Record(firstname=u'Daniele', length=8),
 Record(firstname=u'Marc-Andre', length=7)]
Release History

Release History

0.4.0

This version

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0.3.0

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0.2.0

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0.1.1

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0.1.0

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
sql-0.4.0.tar.gz (3.6 kB) Copy SHA256 Checksum SHA256 Source Jan 6, 2014

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