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Diffstat (limited to 'python/README.md')
| -rw-r--r-- | python/README.md | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/python/README.md b/python/README.md index 953971d3..03d9f31d 100644 --- a/python/README.md +++ b/python/README.md @@ -8,6 +8,14 @@ Build and install pycdec: Alternatively, run `python setup.py build_ext --inplace` and add the `python/` directory to your `PYTHONPATH`. +To re-build pycdec from the cython source, modify setup.py in the following ways: + * Add this input statement: from Cython.Build import cythonize + * Change the source file from cdec/\_cdec.cpp to cdec/\_cdec.pyx + * Add language='c++' as a property to ext\_modules (e.g. right after extra\_link\_args) + * In the final setup block, change ext\_modules=ext\_modules to ext\_modules=cythonize(ext\_modules) + +Then just build and install normally, as described above. + ## Grammar extractor Compile a parallel corpus and a word alignment into a suffix array representation: @@ -23,7 +31,25 @@ Extract grammar rules from the compiled corpus: cat input.txt | python -m cdec.sa.extract -c extract.ini -g grammars/ -z This will create per-sentence grammar files in the `grammars` directory and output annotated input suitable for translation with cdec. - + +Extract rules in stream mode: + + python -m cdec.sa.extract -c extract.ini -t -z + +This will enable stdio interaction with the following types of lines: + +Extract grammar: + + context ||| sentence ||| grammar_file + +Learn (online mode, specify context name): + + context ||| sentence ||| reference ||| alignment + +Drop (online mode, specify context name): + + context ||| drop + ## Library usage A basic demo of pycdec's features is available in `examples/test.py`. |