def find_lowest_available_suffix(index_instance, document):
# TODO: verify extension's role in query
index_instance_documents = DocumentRenameCount.objects.filter(index_instance=index_instance)#.filter(document__file_extension=document.file_extension)
files_list = []
for index_instance_document in index_instance_documents:
files_list.append(assemble_suffixed_filename(index_instance_document.document.file.name, index_instance_document.suffix))
for suffix in xrange(MAX_SUFFIX_COUNT):
if assemble_suffixed_filename(document.file.name, suffix) not in files_list:
return suffix
raise MaxSuffixCountReached(ugettext(u'Maximum suffix (%s) count reached.') % MAX_SUFFIX_COUNT)
def fs_create_document_link(index_instance, document, suffix=0):
if FILESERVING_ENABLE:
filename = assemble_suffixed_filename(document.file.name, suffix)
filepath = assemble_path_from_list(
[FILESERVING_PATH,
get_instance_path(index_instance), filename])
try:
os.symlink(document.file.path, filepath)
except OSError, exc:
if exc.errno == errno.EEXIST:
# This link should not exist, try to delete it
try:
os.unlink(filepath)
# Try again
os.symlink(document.file.path, filepath)
except Exception, exc:
raise Exception(
_(u'Unable to create symbolic link, file exists and could not be deleted: %(filepath)s; %(exc)s'
) % {
'filepath': filepath,
'exc': exc
})
else:
raise Exception(
_(u'Unable to create symbolic link: %(filepath)s; %(exc)s')
% {
'filepath': filepath,
'exc': exc
})
def fs_create_document_link(index_instance, document, suffix=0):
if FILESERVING_ENABLE:
filename = assemble_suffixed_filename(document.file.name, suffix)
filepath = assemble_path_from_list([FILESERVING_PATH, get_instance_path(index_instance), filename])
try:
os.symlink(document.file.path, filepath)
except OSError, exc:
if exc.errno == errno.EEXIST:
# This link should not exist, try to delete it
try:
os.unlink(filepath)
# Try again
os.symlink(document.file.path, filepath)
except Exception, exc:
raise Exception(
_(
u"Unable to create symbolic link, file exists and could not be deleted: %(filepath)s; %(exc)s"
)
% {"filepath": filepath, "exc": exc}
)
else:
raise Exception(
_(u"Unable to create symbolic link: %(filepath)s; %(exc)s") % {"filepath": filepath, "exc": exc}
)
def find_lowest_available_suffix(index_instance, document):
# TODO: verify extension's role in query
index_instance_documents = DocumentRenameCount.objects.filter(
index_instance=index_instance
) #.filter(document__file_extension=document.file_extension)
files_list = []
for index_instance_document in index_instance_documents:
files_list.append(
assemble_suffixed_filename(
index_instance_document.document.file.name,
index_instance_document.suffix))
for suffix in xrange(MAX_SUFFIX_COUNT):
if assemble_suffixed_filename(document.file.name,
suffix) not in files_list:
return suffix
raise MaxSuffixCountReached(
ugettext(u'Maximum suffix (%s) count reached.') % MAX_SUFFIX_COUNT)
def fs_delete_document_link(index_instance, document, suffix=0):
if FILESERVING_ENABLE:
filename = assemble_suffixed_filename(document.file.name, suffix)
filepath = assemble_path_from_list([FILESERVING_PATH, get_instance_path(index_instance), filename])
try:
os.unlink(filepath)
except OSError, exc:
if exc.errno != errno.ENOENT:
# Raise when any error other than doesn't exits
raise Exception(_(u"Unable to delete document symbolic link; %s") % exc)
def fs_delete_document_link(index_instance, document, suffix=0):
if FILESERVING_ENABLE:
filename = assemble_suffixed_filename(document.file.name, suffix)
filepath = assemble_path_from_list(
[FILESERVING_PATH,
get_instance_path(index_instance), filename])
try:
os.unlink(filepath)
except OSError, exc:
if exc.errno != errno.ENOENT:
# Raise when any error other than doesn't exits
raise Exception(
_(u'Unable to delete document symbolic link; %s') % exc)
