Improve the package structure of pycdec

This change should not break anything, but now you can run:

    python setup.py build_ext --inplace

and use the cleaner:

    PYTHONPATH=/path/to/cdec/python python -m ...

1 files changed, 35 insertions, 0 deletions

diff --git a/python/cdec/decoder.pxd b/python/cdec/decoder.pxd
new file mode 100644
index 00000000..b68b836e
--- /dev/null
+++ b/python/cdec/decoder.pxd
@@ -0,0 +1,35 @@
+from libcpp.string cimport string
+from libcpp.vector cimport vector
+from hypergraph cimport Hypergraph
+from grammar cimport Grammar
+from utils cimport *
+
+cdef extern from "decoder/ff_register.h":
+    void register_feature_functions()
+
+cdef extern from "decoder/decoder.h":
+    cdef cppclass SentenceMetadata:
+        pass
+
+    cdef cppclass DecoderObserver:
+        DecoderObserver()
+
+    cdef cppclass Decoder:
+        Decoder(istream* config_file) nogil
+        bint Decode(string& inp, DecoderObserver* observer) nogil
+
+        # access this to either *read* or *write* to the decoder's last
+        # weight vector (i.e., the weights of the finest past)
+        vector[weight_t]& CurrentWeightVector()
+
+        # void SetId(int id)
+        variables_map& GetConf()
+
+        # add grammar rules (currently only supported by SCFG decoders)
+        void AddSupplementalGrammarFromString(string& grammar_str) nogil
+        void AddSupplementalGrammar(shared_ptr[Grammar] grammar) nogil
+
+cdef extern from "observer.h":
+    cdef cppclass BasicObserver(DecoderObserver):
+        Hypergraph* hypergraph
+        BasicObserver()