python interface as a separate package
This commit is contained in:
Vítor Santos Costa
@@ -1,100 +0,0 @@
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################################################################
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# YAP/SWI-Prolog R interface package
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# Author: Nicos Angelopoulos
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# Copyright: Perl License
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################################################################
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PACKAGE=pyswip
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DOC=pyswip
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PKGCFLAGS=@PYTHON_INCLUDES@
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include ../Makefile.defs
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OBJS= python.o
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SOLIBS= python.@SO@
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LIBPL= python.pl
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all: @PYTHON_TARGET@
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pyswip: $(SOLIBS)
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dummy::
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python.@SO@: $(OBJS)
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$(LD) $(LDSOFLAGS) -o $@ $(OBJS) $(LIBS) @PYTHON_LIBS@ $(LIBPLSO)
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install: install-@PYTHON_TARGET@
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install-dummy::
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install-pyswip: $(SOLIBS) $(addprefix $(srcdir)/, $(LIBPL))
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mkdir -p $(DESTDIR)$(SOLIBDIR)
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rm -f $(DESTDIR)$(SOLIBDIR)/python.@SO@
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$(INSTALL_PROGRAM) $(SOLIBS) $(SOLIBDIR)
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mkdir -p $(DESTDIR)$(PLLIBDIR)
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for f in $(LIBPL); do \
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$(INSTALL_DATA) $(srcdir)/$$f $(DESTDIR)$(PLLIBDIR); \
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done
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$(MKINDEX)
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install-python:
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(cd $(srcdir); python setup.py install)
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ln-install::
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$(MAKE) INSTALL_DATA="../ln-install" INSTALL_PROGRAM="../ln-install" install
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rpm-install: install
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html-install::
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mkdir -p $(DESTDIR)$(PKGDOC)
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$(INSTALL) -m 644 $(DOC).html $(DESTDIR)$(PKGDOC)
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pdf-install::
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mkdir -p $(DESTDIR)$(PKGDOC)
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$(INSTALL) -m 644 $(DOC).pdf $(DESTDIR)$(PKGDOC)
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uninstall::
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(cd $(SOLIBDIR) && rm -f $(TARGETS))
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(cd $(PLBASE)/library && rm -f $(LIBPL))
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$(MKINDEX)
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################################################################
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# Documentation
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################################################################
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TEXEXTRA= libpython.tex
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$(TEX): $(TEXEXTRA)
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libpython.tex: python.pl
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$(PLTOTEX) --section 'library(python)' --out=$@
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################################################################
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# Testing
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################################################################
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check::
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(cd $(srcdir) && $(PL) -q -f test_python.pl -g test_python,halt -t 'halt(1)' )
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(cd $(srcdir)/examples; python create_term.py)
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(cd $(srcdir)/examples; python knowledgebase.py)
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(cd $(srcdir)/examples; python knowledgebase.py)
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(cd $(srcdir)/examples; python register_foreign.py)
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(cd $(srcdir)/examples; python register_foreign_simple.py)
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(cd $(srcdir)/examples/coins; python coins.py)
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(cd $(srcdir)/examples/draughts; python puzzle1.py)
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(cd $(srcdir)/examples/hanoi; python hanoi.py)
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(cd $(srcdir)/examples/sendmoremoney; python money.py)
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(cd $(srcdir)/examples/sudoku; python sudoku.py)
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(cd $(srcdir)/examples/sudoku; python sudoku_daily.py)
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################################################################
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# Clean
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################################################################
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clean:
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rm -f $(SOLIBS) *~ *.o *% a.out core config.log
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distclean: clean
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rm -f $(TARGETS) config.cache config.h config.status Makefile
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rm -f $(DOC).aux $(DOC).log $(DOC).out $(DOC).toc
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rm -rf html
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rm -rf autom4te.cache
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@@ -1,17 +0,0 @@
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def multiply(a,b):
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print "Will compute", a, "times", b
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c = 0
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for i in range(0, a):
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c = c + b
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return c
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def square(a,b):
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return [a*a,b*b]
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def lsquare(a):
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print a
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b = []
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for i in a:
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b.append(i*i)
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return b
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@@ -1,46 +0,0 @@
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/*
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import nltk
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sentence = """At eight o'clock on Thursday morning
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... Arthur didn't feel very good."""
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tokens = nltk.word_tokenize(sentence)
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tagged = nltk.pos_tag(tokens)
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tagged[0:6]
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entities = nltk.chunk.ne_chunk(tagged)
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entities
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*/
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:- use_module(library(python)).
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:- use_module(library(maplist)).
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main :-
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main(Sentence, Tokens, Tagged),
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writeln(Sentence),
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writeln(tokens=Tokens),
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writeln(tagged=Tagged),
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fail.
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main :-
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Sentence = 'Debutta a New York il nuovo sistema operativo (cronaca in diretta). E c\'è il tablet Surface. Svolta radicale che strizza l\'occhio al mondo touch per l\'azienda che controlla il 92% dei pc dal nostro inviato M. Serafini',
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% c = nltk.stem.snowball.ItalianStemmer("italian')
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$c := nltk:stem:snowball:'ItalianStemmer'(italian),
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Tokens := nltk:word_tokenize(Sentence),
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writeln(tokens=Tokens),
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% o = c.stem('voglio')
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maplist(process, Tokens, Stems),
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writeln(stems=Stems).
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process(In, Out) :-
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Out := $c:stem(In),
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writeln(In:=Out).
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process(In, In).
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main(Sentence, Tokens, Tagged) :-
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Sentence = '\"At eight o\'clock on Thursday morning\
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... Arthur didn\'t feel very good.\"',
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Tokens := nltk:word_tokenize(Sentence),
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%['At', 'eight', "o'clock", 'on', 'Thursday', 'morning',
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% 'Arthur', 'did', "n't", 'feel', 'very', 'good', '.']
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Tagged := nltk:pos_tag(Tokens).
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%>>> tagged[0:6]
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%[('At', 'IN'), ('eight', 'CD'), ("o'clock", 'JJ'), ('on', 'IN'),
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%('Thursday', 'NNP'), ('morning', 'NN')]
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@@ -1,567 +0,0 @@
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#include <SWI-Stream.h>
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#include <SWI-Prolog.h>
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#ifdef HAVE_STAT
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#undef HAVE_STAT
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#endif
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#include <Python.h>
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#include <assert.h>
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static atom_t ATOM_true,
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ATOM_false,
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ATOM_t;
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static functor_t FUNCTOR_dollar1,
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FUNCTOR_pointer1,
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FUNCTOR_add2,
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FUNCTOR_sub2,
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FUNCTOR_mul2,
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FUNCTOR_div2,
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FUNCTOR_hat2;
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static PyObject *py_Main;
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static inline int
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proper_ascii_string(const char *s)
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{
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unsigned int c;
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while ((c = *s++)) {
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if (c > 127)
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return FALSE;
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}
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return TRUE;
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}
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static PyObject *
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term_to_python(term_t t)
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{
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// Yap_DebugPlWrite(YAP_GetFromSlot(t)); fprintf(stderr, " here I am\n");
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switch (PL_term_type(t)) {
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case PL_VARIABLE:
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return NULL;
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case PL_ATOM:
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{
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char *s;
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if (!PL_get_atom_chars(t, &s)) {
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wchar_t *w;
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atom_t at;
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size_t len;
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if (!PL_get_atom(t, &at))
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return NULL;
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if (!(w = PL_atom_wchars(at, &len)))
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return NULL;
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return PyUnicode_FromWideChar(w, wcslen(w) );
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}
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if (proper_ascii_string(s))
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return PyString_FromStringAndSize(s, strlen(s) );
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else
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return PyUnicode_DecodeLatin1(s, strlen(s), NULL);
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}
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case PL_INTEGER:
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{
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int64_t j;
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if (!PL_get_int64_ex(t, &j))
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return NULL;
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return PyInt_FromLong(j);
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}
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case PL_STRING:
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{
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char *s;
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size_t len;
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if (!PL_get_string_chars(t, &s, &len))
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return NULL;
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return PyByteArray_FromStringAndSize(s, len);
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}
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case PL_FLOAT:
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{
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double fl;
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if (!PL_get_float(t, &fl))
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return NULL;
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return PyFloat_FromDouble( fl );
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}
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case PL_TERM:
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if (PL_is_list(t)) {
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size_t len, i;
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term_t tail = PL_new_term_ref(), arg;
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PyObject *out;
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PL_skip_list(t, tail, &len);
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if (!PL_get_nil(tail))
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return NULL;
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arg = tail;
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out = PyList_New(len);
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if (!out)
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return NULL;
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for (i=0; i< len; i++) {
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if (!PL_get_list(t, arg, t)) {
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return NULL;
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}
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if (PyList_SetItem(out, i, term_to_python(arg)) < 0)
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return NULL;
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}
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return out;
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} else {
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functor_t fun;
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if (!PL_get_functor(t, &fun))
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return NULL;
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if (fun == FUNCTOR_dollar1) {
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char *s;
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term_t targ = PL_new_term_ref();
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if (! PL_get_arg(1, t, targ) )
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return NULL;
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if (!PL_get_atom_chars(targ, &s))
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return NULL;
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/* return __main__,s */
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return PyObject_GetAttrString(py_Main, s);
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} else if (fun == FUNCTOR_pointer1) {
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void *ptr;
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term_t targ = PL_new_term_ref();
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if (! PL_get_arg(1, t, targ) )
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return NULL;
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if (!PL_get_pointer(targ, &ptr))
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return NULL;
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/* return __main__,s */
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return (PyObject *)ptr;
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} else if (fun == FUNCTOR_add2) {
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term_t targ = PL_new_term_ref();
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PyObject *lhs, *rhs;
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if (! PL_get_arg(1, t, targ) )
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return NULL;
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lhs = term_to_python(targ);
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if (!PyNumber_Check(lhs))
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return NULL;
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if (! PL_get_arg(2, t, targ) )
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return NULL;
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rhs = term_to_python(targ);
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if (!PyNumber_Check(rhs))
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return NULL;
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return PyNumber_Add(lhs, rhs);
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} else if (fun == FUNCTOR_sub2) {
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term_t targ = PL_new_term_ref();
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PyObject *lhs, *rhs;
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if (! PL_get_arg(1, t, targ) )
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return NULL;
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lhs = term_to_python(targ);
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if (!PyNumber_Check(lhs))
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return NULL;
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if (! PL_get_arg(2, t, targ) )
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return NULL;
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rhs = term_to_python(targ);
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if (!PyNumber_Check(rhs))
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return NULL;
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return PyNumber_Subtract(lhs, rhs);
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} else if (fun == FUNCTOR_mul2) {
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term_t targ = PL_new_term_ref();
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PyObject *lhs, *rhs;
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if (! PL_get_arg(1, t, targ) )
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return NULL;
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lhs = term_to_python(targ);
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if (!PyNumber_Check(lhs))
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return NULL;
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if (! PL_get_arg(2, t, targ) )
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return NULL;
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rhs = term_to_python(targ);
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if (!PyNumber_Check(rhs))
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return NULL;
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return PyNumber_Multiply(lhs, rhs);
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} else if (fun == FUNCTOR_div2) {
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term_t targ = PL_new_term_ref();
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PyObject *lhs, *rhs;
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if (! PL_get_arg(1, t, targ) )
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return NULL;
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lhs = term_to_python(targ);
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if (!PyNumber_Check(lhs))
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return NULL;
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if (! PL_get_arg(2, t, targ) )
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return NULL;
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rhs = term_to_python(targ);
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if (!PyNumber_Check(rhs))
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return NULL;
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return PyNumber_Divide(lhs, rhs);
|
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} else if (fun == FUNCTOR_hat2) {
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term_t targ = PL_new_term_ref();
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PyObject *lhs, *rhs;
|
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if (! PL_get_arg(1, t, targ) )
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return NULL;
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lhs = term_to_python(targ);
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if (! PL_get_arg(2, t, targ) )
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return NULL;
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rhs = term_to_python(targ);
|
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return PyObject_GetItem(lhs, rhs);
|
||||
}
|
||||
}
|
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return NULL;
|
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}
|
||||
return NULL;
|
||||
}
|
||||
|
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static foreign_t
|
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python_to_term(PyObject *pVal, term_t t)
|
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{
|
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if (PyLong_Check(pVal)) {
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return PL_unify_int64(t, PyLong_AsLong(pVal));
|
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} else if (PyInt_Check(pVal)) {
|
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return PL_unify_int64(t, PyInt_AsLong(pVal));
|
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} else if (PyBool_Check(pVal)) {
|
||||
if (PyObject_IsTrue(pVal)) {
|
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return PL_unify_atom(t, ATOM_true);
|
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} else {
|
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return PL_unify_atom(t, ATOM_false);
|
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}
|
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} else if (PyFloat_Check(pVal)) {
|
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return PL_unify_float(t, PyFloat_AsDouble(pVal));
|
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} else if (PyUnicode_Check(pVal)) {
|
||||
Py_ssize_t sz = PyUnicode_GetSize(pVal)+1;
|
||||
wchar_t *ptr;
|
||||
ptr = malloc(sizeof(wchar_t)*sz);
|
||||
sz = PyUnicode_AsWideChar((struct PyUnicodeObject *)pVal, ptr, sz-1);
|
||||
atom_t tmp_atom = PL_new_atom_wchars(sz,ptr);
|
||||
free(ptr);
|
||||
return PL_unify_atom(t, tmp_atom);
|
||||
} else if (PyByteArray_Check(pVal)) {
|
||||
atom_t tmp_atom = PL_new_atom(PyByteArray_AsString(pVal));
|
||||
return PL_unify_atom(t, tmp_atom);
|
||||
} else if (PyString_Check(pVal)) {
|
||||
atom_t tmp_atom = PL_new_atom(PyString_AsString(pVal));
|
||||
return PL_unify_atom(t, tmp_atom);
|
||||
} else if (PyTuple_Check(pVal)) {
|
||||
Py_ssize_t i, sz = PyTuple_GET_SIZE(pVal);
|
||||
functor_t f = PL_new_functor(ATOM_t, 2);
|
||||
if (!PL_unify_functor(t, f))
|
||||
return FALSE;
|
||||
for (i = 0; i < sz; i++) {
|
||||
term_t to = PL_new_term_ref();
|
||||
if (!PL_unify_arg(i+1, t, to))
|
||||
return FALSE;
|
||||
if ( !python_to_term(PyTuple_GetItem(pVal, i), to) )
|
||||
return FALSE;
|
||||
}
|
||||
return TRUE;
|
||||
} else if (PyList_Check(pVal)) {
|
||||
term_t to = PL_new_term_ref();
|
||||
Py_ssize_t i, sz = PyList_GET_SIZE(pVal);
|
||||
|
||||
for (i = 0; i < sz; i++) {
|
||||
if (!PL_unify_list(t, to, t) ||
|
||||
!python_to_term(PyList_GetItem(pVal, i), to))
|
||||
return FALSE;
|
||||
}
|
||||
return PL_unify_nil(t);
|
||||
} else {
|
||||
term_t to = PL_new_term_ref(), t1 = PL_new_term_ref();
|
||||
PL_put_pointer(t1, (void *)pVal);
|
||||
PL_cons_functor(to, FUNCTOR_pointer1, t1);
|
||||
Py_INCREF(pVal);
|
||||
return PL_unify(t, to);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
python_import(term_t mname, term_t mod)
|
||||
{
|
||||
char *s;
|
||||
size_t len;
|
||||
PyObject *pName, *pModule;
|
||||
|
||||
if ( !PL_get_nchars(mname, &len, &s, CVT_ALL|CVT_EXCEPTION) ) {
|
||||
return FALSE;
|
||||
}
|
||||
pName = PyString_FromString(s);
|
||||
if (pName == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
pModule = PyImport_Import(pName);
|
||||
// PyErr_Print();
|
||||
Py_DECREF(pName);
|
||||
if (pModule == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
return python_to_term(pModule, mod);
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_f(term_t tmod, term_t fname, term_t tf)
|
||||
{
|
||||
char *s;
|
||||
size_t len;
|
||||
PyObject *pF, *pModule;
|
||||
|
||||
/* if an atom, fetch again */
|
||||
if ( PL_is_atom(tmod) ) {
|
||||
PyObject *pName;
|
||||
|
||||
if ( !PL_get_nchars(fname, &len, &s, CVT_ALL|CVT_EXCEPTION) ) {
|
||||
return FALSE;
|
||||
}
|
||||
pName = PyString_FromString(s);
|
||||
if (pName == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
pModule = PyImport_Import(pName);
|
||||
} else if (!(pModule = term_to_python(tmod)))
|
||||
return FALSE;
|
||||
if ( !PL_get_nchars(fname, &len, &s, CVT_ALL|CVT_EXCEPTION) ) {
|
||||
return FALSE;
|
||||
}
|
||||
pF = PyObject_GetAttrString(pModule, s);
|
||||
if (pF == NULL || ! PyCallable_Check(pF)) {
|
||||
return FALSE;
|
||||
}
|
||||
return python_to_term(pF, tf);
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_o(term_t tmod, term_t fname, term_t tf)
|
||||
{
|
||||
char *s;
|
||||
size_t len;
|
||||
PyObject *pO, *pModule;
|
||||
|
||||
pModule = term_to_python(tmod);
|
||||
if ( !PL_get_nchars(fname, &len, &s, CVT_ALL|CVT_EXCEPTION) ) {
|
||||
return FALSE;
|
||||
}
|
||||
pO = PyObject_GetAttrString(pModule, s);
|
||||
if (pO == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
return python_to_term(pO, tf);
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_set_item(term_t tobj, term_t tpos, term_t titem)
|
||||
{
|
||||
PyObject *obj, *item, *pos;
|
||||
|
||||
obj = term_to_python(tobj);
|
||||
if (obj == NULL)
|
||||
return FALSE;
|
||||
item = term_to_python(titem);
|
||||
if (item == NULL)
|
||||
return FALSE;
|
||||
pos = term_to_python(tpos);
|
||||
if (pos == NULL)
|
||||
return FALSE;
|
||||
if (PyObject_SetItem(obj, pos, item) < 0)
|
||||
return FALSE;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_len(term_t tobj, term_t tf)
|
||||
{
|
||||
Py_ssize_t len;
|
||||
PyObject *o;
|
||||
|
||||
o = term_to_python(tobj);
|
||||
if (o == NULL)
|
||||
return FALSE;
|
||||
len = PyObject_Length(o);
|
||||
return PL_unify_int64(tf, len);
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_dir(term_t tobj, term_t tf)
|
||||
{
|
||||
PyObject *dir;
|
||||
PyObject *o;
|
||||
|
||||
o = term_to_python(tobj);
|
||||
if (o == NULL)
|
||||
return FALSE;
|
||||
dir = PyObject_Dir(o);
|
||||
return python_to_term(dir, tf);
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_is(term_t tobj, term_t tf)
|
||||
{
|
||||
PyObject *o;
|
||||
|
||||
o = term_to_python(tobj);
|
||||
if (!o)
|
||||
return FALSE;
|
||||
return python_to_term(o, tf);
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_apply(term_t tin, term_t targs, term_t tf)
|
||||
{
|
||||
PyObject *pF, *pValue;
|
||||
PyObject *pArgs;
|
||||
int i, arity;
|
||||
atom_t aname;
|
||||
foreign_t out;
|
||||
term_t targ = PL_new_term_ref();
|
||||
|
||||
pF = term_to_python(tin);
|
||||
if ( pF == NULL ) {
|
||||
return FALSE;
|
||||
}
|
||||
if (! PL_get_name_arity( targs, &aname, &arity) ) {
|
||||
return FALSE;
|
||||
}
|
||||
pArgs = PyTuple_New(arity);
|
||||
for (i = 0 ; i < arity; i++) {
|
||||
PyObject *pArg;
|
||||
if (! PL_get_arg(i+1, targs, targ) )
|
||||
return FALSE;
|
||||
pArg = term_to_python(targ);
|
||||
if (pArg == NULL)
|
||||
return FALSE;
|
||||
/* pArg reference stolen here: */
|
||||
PyTuple_SetItem(pArgs, i, pArg);
|
||||
}
|
||||
if (PyCallable_Check(pF)) {
|
||||
pValue = PyObject_CallObject(pF, pArgs);
|
||||
} else {
|
||||
return FALSE;
|
||||
}
|
||||
PyErr_Print();
|
||||
Py_DECREF(pArgs);
|
||||
if (pValue == NULL)
|
||||
return FALSE;
|
||||
out = python_to_term(pValue, tf);
|
||||
Py_DECREF(pValue);
|
||||
return out;
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_assign(term_t name, term_t exp)
|
||||
{
|
||||
PyObject *e = term_to_python(exp);
|
||||
char *s;
|
||||
|
||||
if (e == NULL)
|
||||
return FALSE;
|
||||
if (!PL_get_atom_chars(name, &s))
|
||||
return FALSE;
|
||||
return PyObject_SetAttrString(py_Main, s, e) >= 0;
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_access(term_t obj, term_t f, term_t out)
|
||||
{
|
||||
PyObject *o = term_to_python(obj), *pValue, *pArgs, *pF;
|
||||
atom_t name;
|
||||
char *s;
|
||||
int i, arity;
|
||||
term_t targ = PL_new_term_ref();
|
||||
|
||||
if (o == NULL)
|
||||
return FALSE;
|
||||
if ( PL_is_atom(f) ) {
|
||||
if (!PL_get_atom_chars(f, &s))
|
||||
return FALSE;
|
||||
if ((pValue = PyObject_GetAttrString(o, s)) == NULL)
|
||||
return FALSE;
|
||||
if ( PyCallable_Check(pValue) )
|
||||
pValue = PyObject_CallObject(pValue, NULL);
|
||||
PyErr_Print();
|
||||
return python_to_term(pValue, out);
|
||||
}
|
||||
if (! PL_get_name_arity( f, &name, &arity) ) {
|
||||
return FALSE;
|
||||
}
|
||||
s = PL_atom_chars(name);
|
||||
if ((pF = PyObject_GetAttrString(o, s)) == NULL) {
|
||||
PyErr_Print();
|
||||
return FALSE;
|
||||
}
|
||||
pArgs = PyTuple_New(arity);
|
||||
for (i = 0 ; i < arity; i++) {
|
||||
PyObject *pArg;
|
||||
if (! PL_get_arg(i+1, f, targ) )
|
||||
return FALSE;
|
||||
pArg = term_to_python(targ);
|
||||
if (pArg == NULL)
|
||||
return FALSE;
|
||||
/* pArg reference stolen here: */
|
||||
PyTuple_SetItem(pArgs, i, pArg);
|
||||
}
|
||||
pValue = PyObject_CallObject(pF, pArgs);
|
||||
if (pValue == NULL) {
|
||||
Py_DECREF(pArgs);
|
||||
Py_DECREF(pF);
|
||||
return FALSE;
|
||||
}
|
||||
Py_DECREF(pArgs);
|
||||
Py_DECREF(pF);
|
||||
return python_to_term(pValue, out);
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
python_run_command(term_t cmd)
|
||||
{
|
||||
char *s;
|
||||
size_t len;
|
||||
|
||||
if ( PL_get_nchars(cmd, &len, &s, CVT_ALL|CVT_EXCEPTION) ) {
|
||||
PyRun_SimpleString(s);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
init_python(void)
|
||||
{
|
||||
Py_Initialize();
|
||||
py_Main = PyImport_AddModule("__main__");
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static foreign_t
|
||||
end_python(void)
|
||||
{
|
||||
Py_Finalize();
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
install_t install_python(void);
|
||||
|
||||
install_t
|
||||
install_python(void)
|
||||
{ // FUNCTOR_dot2 = PL_new_functor(PL_new_atom("."), 2);
|
||||
// FUNCTOR_equal2 = PL_new_functor(PL_new_atom("="), 2);
|
||||
// FUNCTOR_boolop1 = PL_new_functor(PL_new_atom("@"), 1);
|
||||
ATOM_true = PL_new_atom("true");
|
||||
ATOM_false = PL_new_atom("false");
|
||||
ATOM_t = PL_new_atom("t");
|
||||
FUNCTOR_dollar1 = PL_new_functor(PL_new_atom("$"), 1);
|
||||
FUNCTOR_pointer1 = PL_new_functor(PL_new_atom("__obj__"), 1);
|
||||
FUNCTOR_add2 = PL_new_functor(PL_new_atom("+"), 2);
|
||||
FUNCTOR_sub2 = PL_new_functor(PL_new_atom("-"), 2);
|
||||
FUNCTOR_mul2 = PL_new_functor(PL_new_atom("*"), 2);
|
||||
FUNCTOR_div2 = PL_new_functor(PL_new_atom("/"), 2);
|
||||
FUNCTOR_hat2 = PL_new_functor(PL_new_atom("^"), 2);
|
||||
|
||||
PL_register_foreign("init_python", 0, init_python, 0);
|
||||
PL_register_foreign("end_python", 0, end_python, 0);
|
||||
PL_register_foreign("python_import", 2, python_import, 0);
|
||||
PL_register_foreign("python_f", 3, python_f, 0);
|
||||
PL_register_foreign("python_o", 3, python_o, 0);
|
||||
PL_register_foreign("python_len", 2, python_len, 0);
|
||||
PL_register_foreign("python_is", 2, python_is, 0);
|
||||
PL_register_foreign("python_dir", 2, python_dir, 0);
|
||||
PL_register_foreign("python_apply", 3, python_apply, 0);
|
||||
PL_register_foreign("python_access", 3, python_access, 0);
|
||||
PL_register_foreign("python_assign", 2, python_assign, 0);
|
||||
PL_register_foreign("python_set_item", 3, python_set_item, 0);
|
||||
PL_register_foreign("python_run_command", 1, python_run_command, 0);
|
||||
}
|
||||
|
||||
@@ -1,152 +0,0 @@
|
||||
%%% -*- Mode: Prolog; -*-
|
||||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
% Author: Vitor Santos Costa
|
||||
% E-mail: vsc@dcc.fc.up.pt
|
||||
% Copyright (C): Universidade do Porto
|
||||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
%
|
||||
% This file is part of the YAP Python Interface
|
||||
% distributed according to Perl Artistic License
|
||||
% check LICENSE file for distribution license
|
||||
%
|
||||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||||
|
||||
/** <module> python
|
||||
|
||||
A C-based Prolog interface to python.
|
||||
|
||||
@author Vitor Santos Costa
|
||||
@version 0:0:5, 2012/10/8
|
||||
@license Perl Artistic License
|
||||
|
||||
*/
|
||||
|
||||
%%%
|
||||
|
||||
:- module(python, [
|
||||
init_python/0,
|
||||
end_python/0,
|
||||
python_command/1,
|
||||
python_assign/3,
|
||||
python_import/1,
|
||||
python/2,
|
||||
op(100,fy,$),
|
||||
op(950,fy,:=),
|
||||
op(950,yfx,:=),
|
||||
(:=)/2,
|
||||
(:=)/1
|
||||
]).
|
||||
|
||||
|
||||
/************************************************************************************************************
|
||||
|
||||
Python interface
|
||||
|
||||
Data types are
|
||||
|
||||
Python Prolog
|
||||
string atoms
|
||||
numbers numbers
|
||||
lists lists
|
||||
tuples t(...)
|
||||
generic objs __pointer__(Address)
|
||||
|
||||
$var refers to the attribute __main__.var
|
||||
|
||||
*************************************************************************************************************/
|
||||
|
||||
:- use_module(library(shlib)).
|
||||
:- use_module(library(lists)).
|
||||
:- use_module(library(apply_macros)).
|
||||
:- use_module(library(charsio)).
|
||||
|
||||
:- dynamic python_mref_cache/2.
|
||||
|
||||
:= F :- python(F,_).
|
||||
|
||||
V := F :- var(V), !, python(F,V).
|
||||
'$'(V) := F :- atom(V), !, python(F,F1), python_assign(V, F1).
|
||||
A^Key := F :- python(F,F1), python_set_item(A, Key, F1).
|
||||
|
||||
python_import(Module) :-
|
||||
python_do_import(Module, _).
|
||||
|
||||
python_do_import(Module, MRef) :-
|
||||
python_mref_cache(Module, MRef), !.
|
||||
python_do_import(Module, MRef) :-
|
||||
python_import(Module, MRef),
|
||||
assert( python_mref_cache(Module, MRef) ).
|
||||
|
||||
fetch_module(M:E, M1, E1, MRef) :-
|
||||
atom(M),
|
||||
python_import(M, MRef0),
|
||||
module_extend(M, E, M1, E1, MRef0, MRef).
|
||||
|
||||
%
|
||||
% extend the module as much as we can.
|
||||
%
|
||||
module_extend(M0, M:E, MF, EF, MRef0, MRef) :-
|
||||
atom(M),
|
||||
atom_concat([M0,'.',M], MM),
|
||||
python_import(MM, MRef1), !,
|
||||
module_extend(MM, E, MF, EF, MRef1, MRef).
|
||||
module_extend(M, E, M, E, MRef, MRef).
|
||||
|
||||
% given an object, detect its len method
|
||||
python_eval_term(Expression, O) :-
|
||||
fetch_module(Expression, Module, Exp, MRef), !,
|
||||
(
|
||||
atom(Exp)
|
||||
->
|
||||
python_access(MRef, Exp, O)
|
||||
;
|
||||
functor(Exp, F, _),
|
||||
python_f(MRef, F, FRef),
|
||||
python_apply(FRef, Exp, O)
|
||||
).
|
||||
python_eval_term(Obj:Field, O) :-
|
||||
python_access(Obj, Field, O).
|
||||
|
||||
python(Obj, Out) :-
|
||||
python_eval_term(Obj, Out), !.
|
||||
python(Obj, OArg) :-
|
||||
python_do_is(Obj, Obj1),
|
||||
python_is(Obj1, OArg).
|
||||
|
||||
python_do_is(A+B, NA+NB) :- !,
|
||||
python_do_is(A, NA),
|
||||
python_do_is(B, NB).
|
||||
python_do_is(A-B, NA-NB) :- !,
|
||||
python_do_is(A, NA),
|
||||
python_do_is(B, NB).
|
||||
python_do_is(A*B, NA*NB) :- !,
|
||||
python_do_is(A, NA),
|
||||
python_do_is(B, NB).
|
||||
python_do_is(A/B, NA/NB) :- !,
|
||||
python_do_is(A, NA),
|
||||
python_do_is(B, NB).
|
||||
python_do_is(A, NA) :-
|
||||
python_eval_term(A, NA), !.
|
||||
python_do_is(A, A).
|
||||
|
||||
python_command(Cmd) :-
|
||||
python_run_command(Cmd).
|
||||
|
||||
start_python :-
|
||||
use_foreign_library(foreign(python)),
|
||||
init_python,
|
||||
python_command('import sys').
|
||||
|
||||
add_cwd_to_python :-
|
||||
unix(getcwd(Dir)),
|
||||
atom_concat(['sys.path.append(\"',Dir,'\")'], Command),
|
||||
python_command(Command).
|
||||
% done
|
||||
|
||||
python_assign(Name, Exp, '$'(Name)) :-
|
||||
python_assign(Name, Exp).
|
||||
|
||||
:- initialization(start_python, now).
|
||||
|
||||
:- initialization(add_cwd_to_python).
|
||||
|
||||
Reference in New Issue
Block a user