Missing data files during lom2mlr execution

[encolpe]

After a pip install lom2mlr or a python setup.py install in the source folder I ran into this error:

Traceback (most recent call last):
  File "/home/encolpe/Projects/venv-lom2mlr/bin/lom2mlr", line 9, in <module>
    load_entry_point('lom2mlr==0.3.dev0', 'console_scripts', 'lom2mlr')()
  File "/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/lom2mlr/transform.py", line 137, in main
    converter = Converter(STYLESHEET)
  File "/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/lom2mlr/transform.py", line 61, in __init__
    converter.XMLTransform.__init__(self, stylesheet, extensions)
  File "/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/common/converter.py", line 33, in __init__
    stylesheet_xml = etree.parse(stylesheet)
  File "lxml.etree.pyx", line 3239, in lxml.etree.parse (src/lxml/lxml.etree.c:70141)
  File "parser.pxi", line 1749, in lxml.etree._parseDocument (src/lxml/lxml.etree.c:102252)
  File "parser.pxi", line 1775, in lxml.etree._parseDocumentFromURL (src/lxml/lxml.etree.c:102516)
  File "parser.pxi", line 1679, in lxml.etree._parseDocFromFile (src/lxml/lxml.etree.c:101551)
  File "parser.pxi", line 1110, in lxml.etree._BaseParser._parseDocFromFile (src/lxml/lxml.etree.c:97003)
  File "parser.pxi", line 582, in lxml.etree._ParserContext._handleParseResultDoc (src/lxml/lxml.etree.c:91461)
  File "parser.pxi", line 683, in lxml.etree._handleParseResult (src/lxml/lxml.etree.c:92647)
  File "parser.pxi", line 620, in lxml.etree._raiseParseError (src/lxml/lxml.etree.c:91908)
IOError: Error reading file '/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/lom2mlr/lom2mlr.xsl': failed to load external entity "/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/lom2mlr/lom2mlr.xsl"

After a quick search I realized that it comes from the package_data option in the setup file. Once the egg installed, the data are not in the lom2mlr subpackage but in egg's root:

find /home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/ -name "*.xsl"
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/lom2mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-3-2011-VA.2_eng.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.2_eng.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.2_mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-9-2014-VA.2.1_eng.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.5_fra.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.5_rus.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.4_mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.4_fra.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.5_mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.2_rus.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.4_eng.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.3_fra.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.5_eng.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.1_mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.1_rus.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.4_rus.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-3-2011-VA.2_mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.1_fra.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-3-2011-VA.2_fra.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.3_eng.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.2_fra.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-3-2011-VA.2_rus.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-9-2014-VA.2.1_rus.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-9-2014-VA.2.1_mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-9-2014-VA.2.1_fra.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.3_mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.3_rus.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/vdex/ISO_IEC_19788-5-2012-VA.1_eng.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/translations/translation_mlr.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/translations/translation_rus.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/translations/translation_eng.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/translations/translation_fra.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/iso639.xsl
/home/encolpe/Projects/venv-lom2mlr/local/lib/python2.7/site-packages/lom2mlr-0.3.dev0-py2.7.egg/correspondances_xsl.xsl

If you choose to install the egg in develop mode (eg: python setup.py develop) you don't run into this problem.