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Python interface for groonga

Project description

What’s this?

Python interface for groonga fulltext search engine.


  • Python 2.6 or 3.x and later
  • groonga


from pypi:

% pip install pyroonga

from source:

% python install


First, Please run groonga by server mode or daemon mode. see folowing:

# server mode
% groonga -s DB_PATH_NAME

# daemon mode
% groonga -d DB_PATH_NAME

See groonga --help for more options.

Create Table

from pyroonga import tablebase, Column, Groonga

# create the base class for table definition.
Table = tablebase()

# define the table
class Site(Table):
   title = Column()
   name = Column()

class Blog(Table):
   entry = Column()

# create and bind the groonga connection object
grn = Groonga()

# create the all table on groonga's database

Query and get data as a mapped object

Get the all data from Site table:

data =

And print the data:

for row in data:
    print(row._id, row._key, row.title)

Fulltext search query:'foo').all()'foo', name='bar').all()  # "or" search

The above is the same as a following groonga query:

select --table Site --query "title:@\"foo\""

Conditional search query: == 'bar').all()

Conbination for a condition: > 3) & (Site.title == 'baz')).all()

Limit and offset:

Sortby:   # asc  # desc

Select the output columns:

# get the title and name columns,

# get the all columns


Switch to the drilldown query after the call of drilldown() from select() method chain:

data =

Result of drilldown will be stored to the drilldown attribute of the return value from all() method:

for drilldown in data.drilldown:
    print(drilldown._key, drilldown._nsubrecs)

A sortby() method in example above, It is query option of --sortby. For sortby of drilldown, Please call of sortby() method after the call of drilldown() method:

A sortby() method in example above, It is query option of --drilldown_sortby. Of course, As well as limit() , offset() and output_columns() methods.


However, Data load is not yet implemented. And more documents is still not written.


pyroonga is licensed under the BSD license.


v0.2 (2012-02-17)

  • Add ORM
  • Add documentation of basic usage

v0.1 (2012-02-05)

  • First release

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