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CQP and CL interfaces for Python

Project description

This is a Python wrapper to the low-level API of CQP which allows
you to access CQP corpora in the same way as Perl's CWB::CL

If you installed CQP in a non-standard location (which is the default for
newer versions of CQP), point the setup in the right direction with, e.g.
export CWB_DIR=/usr/local/cwb-3.4.10

To install the module, use the standard
python setup.py build
sudo python setup.py install
command sequence.

As a prerequisite, install Cython with
pip install Cython

If you use an old version of CQP (CWB 2.99 and older), you need to
change the value of the "extra_libs" variable in setup.py.

To give you an idea how to use the library, see the following sample:

--- 8< ---
from CWB.CL import Corpus

# open the corpus
corpus=Corpus('TUEPP')
# get sentences and words
sentences=corpus.attribute('s','s')
words=corpus.attribute('word','p')
postags=corpus.attribute('pos','p')
# retrieve offsets of the 1235th sentence (0-based)
s_1234=sentences[1234]

for w,p in zip(words[s_1234[0]:s_1234[1]+1],postags[s_1234[0]:s_1234[1]+1]):
print "%s/%s"%(w,p)

--- 8< ---

In order to test the CWB.CL module's correct installation
independently of any CQP corpora, you can do a
python -m doctest tests/idlist.txt
which should terminate with no output when everything is well.

Project details


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