File: wrap_Utils.cpp

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// $Id$
//
//  Copyright (C) 2003-2012 greg Landrum and Rational Discovery LLC
//
//  @@ All Rights Reserved @@
//  This file is part of the RDKit.
//  The contents are covered by the terms of the BSD license
//  which is included in the file license.txt, found at the root
//  of the RDKit source tree.
//
#include <RDBoost/Wrap.h>
#include <DataStructs/BitVects.h>
#include <DataStructs/BitVectUtils.h>
#include <DataStructs/BitOps.h>
namespace python = boost::python;

ExplicitBitVect *createFromBitString(const std::string &bits) {
  auto *res = new ExplicitBitVect(bits.length());
  FromBitString(*res, bits);
  return res;
}

ExplicitBitVect *createFromFPSText(const std::string &fps) {
  if (fps.length() % 2) {
    throw ValueErrorException(
        "input string must have an even number of characters");
  }
  auto *res = new ExplicitBitVect(fps.length() * 4);
  UpdateBitVectFromFPSText(*res, fps);
  return res;
}

ExplicitBitVect *createFromBinaryText(const std::string &fps) {
  auto *res = new ExplicitBitVect(fps.length() * 8);
  UpdateBitVectFromBinaryText(*res, fps);
  return res;
}

struct Utils_wrapper {
  static void wrap() {
    python::def("ConvertToExplicit", convertToExplicit,
                python::return_value_policy<python::manage_new_object>(),
                "Converts a SparseBitVector to an ExplicitBitVector and "
                "returns the ExplicitBitVector");
    python::def(
        "CreateFromBitString", createFromBitString,
        python::return_value_policy<python::manage_new_object>(),
        "Creates an ExplicitBitVect from a bit string (string of 0s and 1s).");
    python::def("CreateFromFPSText", createFromFPSText,
                python::return_value_policy<python::manage_new_object>(),
                "Creates an ExplicitBitVect from an FPS string.");
    python::def(
        "CreateFromBinaryText", createFromBinaryText,
        python::return_value_policy<python::manage_new_object>(),
        "Creates an ExplicitBitVect from a binary string (byte array).");

    python::def(
        "InitFromDaylightString",
        (void (*)(SparseBitVect &, const std::string &))FromDaylightString);
    python::def(
        "InitFromDaylightString",
        (void (*)(ExplicitBitVect &, const std::string &))FromDaylightString,
        "Fill a BitVect using an ASCII (Daylight) encoding of a fingerprint.\n\
\n\
   **Arguments**\n\
     - bv: either a _SparseBitVect_ or an _ExplicitBitVect_\n\
     - txt: a string with the Daylight encoding (this is the text that\n\
            the Daylight tools put in the FP field of a TDT)\n\
\n");
  }
};

void wrap_Utils() { Utils_wrapper::wrap(); }