def render(self, objects,
title_force_uppercase=False,
output_encoding=None,
msdos_eol_style=False,
omit_fields_mapping={}):
""" Export a bunch of bibliographic entries in bibex format"""
# This implementation here is completely bullshit from the
# beginning. Why is there no interface and API for getting hold
# of the exportable items? The iterator interface here sucks.
# This method should also work with *single* bibliographic entries.
#request = getattr(objects[0], 'REQUEST', None)
#if request is None:
request = TestRequest()
# Adapt to IBibliography if necessary/possible
# If not, it could be ok if `entries' can be iterated over anyway.
objects = IBibliography(objects, objects)
found = False
if HAVE_CMFBIB_AT:
if IBibliographicItem.providedBy(objects):
entries = [objects]
found = True
if not found:
try:
# We want the values from a dictionary-ish/IBibliography object
entries = objects.itervalues()
except AttributeError:
# Otherwise we just iterate over what is presumably something
# sequence-ish.
entries = iter(objects)
rendered = []
for obj in entries:
ref = queryAdapter(obj, interface=IBibliographicReference,
name=self.__name__)
if ref is None:
# if there is no named adapter, get the default adapter
# compatibility with older versions
ref = IBibliographicReference(obj, None)
if ref is None:
continue
# do rendering for entry
view = getMultiAdapter((ref, request), name=self.view_name)
omit_fields = omit_fields_mapping.get(ref.publication_type, [])
bibtex_string = view.render(title_force_uppercase=title_force_uppercase,
omit_fields=omit_fields
)
rendered.append(bibtex_string)
rendered = ''.join(rendered)
if msdos_eol_style:
rendered = rendered.replace('\n', '\r\n')
return rendered
