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A Python wrapper module for OpenTrep

Project description




Installation of OpenTREP

This module does not install OpenTREP, you have to do that. On RedHat/CentOS/Fedora, OpenTREP is packaged and can therefore easily be installed with the native packager manager (dnf or yum).

On the platforms, it can be installed by following the instructions in the file.

For the remaining of this document, it assumed that OpenTREP has been installed from the sources in ${HOME}/dev/deliveries/opentrep-latest. You can easily customize the PYTHONPATH and LD_LIBRARY_PATH environment variables to suit your own settings.

  • You may put the package created by setuptools in the repository with:
$ export TREP_DIR="${HOME}/dev/deliveries/opentrep-latest"
$ export PYTHONPATH="${TREP_DIR}/lib/python3.7/site-packages/pyopentrep:${TREP_DIR}/lib"
$ export LD_LIBRARY_PATH="${TREP_DIR}/lib"
$ export PATH="${TREP_DIR}/bin:${PATH}"

Installation of pyenv and pipenv

  • Install Python:
$ pyenv install 3.7.4
$ pyenv global 3.7.4 && pip install -U pip pipenv && pyenv global system
  • Clone this Git repository:
$ mkdir -p ~/dev/geo/trep && git clone ~/dev/geo/trep/wrapper
  • Install the Python virtual environment:
$ cd ~/dev/geo/trep/wrapper
$ pipenv install && pipenv install --dev

Test the wrapper application

  • In the following Python examples, it is assumed that an interactive Python Shell has been launched:
$ pipenv run python
  • Or, on MacOS:
$ ASAN_OPTIONS=detect_container_overflow=0 \
 DYLD_INSERT_LIBRARIES=/Library/Developer/CommandLineTools/usr/lib/clang/11.0.0/lib/darwin/libclang_rt.asan_osx_dynamic.dylib \
  • Import the module:
 >>> from OpenTrepWrapper import main_trep, index_trep
 >>> from OpenTrepWrapper import DEFAULT_LOG, DEFAULT_FMT, DEFAULT_DB
  • Index the OPTD data file:
 >>> index_trep (xapianDBPath = '/tmp/opentrep/xapian_traveldb', logFilePath = '/tmp/opentrep/opeentrep-indexer.log', verbose = False)
  • Search:
 >>> main_trep (searchString = 'nce sfo', outputFormat = 'S',  xapianDBPath = '/tmp/opentrep/xapian_traveldb',  logFilePath = '/tmp/opentrep/opeentrep-searcher.log',  verbose = False)
 ([(89.8466, 'NCE'), (357.45599999999996, 'SFO')], '')
  • End the Python session:
 >>> quit()
  • On MacOS, if there is an issue with the interceptors:
$ ASAN_OPTIONS=detect_container_overflow=0 \
 DYLD_INSERT_LIBRARIES=/Library/Developer/CommandLineTools/usr/lib/clang/11.0.0/lib/darwin/libclang_rt.asan_osx_dynamic.dylib \
Ran 6 tests in 2.832s


Release OpenTrepWrapper to PyPi

  • Build the Python artifacts for OpenTrepWrapper:
$ rm -rf dist && mkdir dist
$ pipenv run python sdist bdist_wheel bdist_egg
$ ls -lFh dist
total 48
-rw-r--r--  1 user  staff   7.1K Nov 22 01:03 OpenTrepWrapper-0.7.4.post3-py3-none-any.whl
-rw-r--r--  1 user  staff   6.7K Nov 22 01:03 OpenTrepWrapper-0.7.4.post3-py3.7.egg
-rw-r--r--  1 user  staff   6.2K Nov 22 01:03 OpenTrepWrapper-0.7.4.post3.tar.gz
  • Publish to PyPi:
$ pipenv run twine upload dist/*

Project details

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Files for OpenTrepWrapper, version 0.7.4.post4
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