91 lines
3.3 KiB
Python
91 lines
3.3 KiB
Python
from __future__ import absolute_import
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import errno
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import os
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from django.utils.translation import ugettext_lazy as _
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from .os_specifics import (assemble_suffixed_filename,
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assemble_path_from_list)
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from .conf.settings import (FILESERVING_ENABLE, FILESERVING_PATH)
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def get_instance_path(index_instance):
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"""
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Return a platform formated filesytem path corresponding to an
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index instance
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"""
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names = []
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for ancestor in index_instance.get_ancestors():
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names.append(ancestor.value)
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names.append(index_instance.value)
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return assemble_path_from_list(names)
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def fs_create_index_directory(index_instance):
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if FILESERVING_ENABLE:
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target_directory = assemble_path_from_list([FILESERVING_PATH, get_instance_path(index_instance)])
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try:
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os.mkdir(target_directory)
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except OSError, exc:
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if exc.errno == errno.EEXIST:
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pass
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else:
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raise Exception(_(u'Unable to create indexing directory; %s') % exc)
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def fs_create_document_link(index_instance, document, suffix=0):
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if FILESERVING_ENABLE:
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filename = assemble_suffixed_filename(document.file.name, suffix)
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filepath = assemble_path_from_list([FILESERVING_PATH, get_instance_path(index_instance), filename])
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try:
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os.symlink(document.file.path, filepath)
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except OSError, exc:
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if exc.errno == errno.EEXIST:
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# This link should not exist, try to delete it
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try:
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os.unlink(filepath)
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# Try again
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os.symlink(document.file.path, filepath)
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except Exception, exc:
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raise Exception(_(u'Unable to create symbolic link, file exists and could not be deleted: %(filepath)s; %(exc)s') % {'filepath': filepath, 'exc': exc})
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else:
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raise Exception(_(u'Unable to create symbolic link: %(filepath)s; %(exc)s') % {'filepath': filepath, 'exc': exc})
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def fs_delete_document_link(index_instance, document, suffix=0):
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if FILESERVING_ENABLE:
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filename = assemble_suffixed_filename(document.file.name, suffix)
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filepath = assemble_path_from_list([FILESERVING_PATH, get_instance_path(index_instance), filename])
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try:
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os.unlink(filepath)
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except OSError, exc:
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if exc.errno != errno.ENOENT:
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# Raise when any error other than doesn't exits
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raise Exception(_(u'Unable to delete document symbolic link; %s') % exc)
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def fs_delete_index_directory(index_instance):
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if FILESERVING_ENABLE:
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target_directory = assemble_path_from_list([FILESERVING_PATH, get_instance_path(index_instance)])
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try:
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os.removedirs(target_directory)
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except OSError, exc:
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if exc.errno == errno.EEXIST:
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pass
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else:
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raise Exception(_(u'Unable to delete indexing directory; %s') % exc)
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def fs_delete_directory_recusive(path=FILESERVING_PATH):
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if FILESERVING_ENABLE:
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for dirpath, dirnames, filenames in os.walk(path, topdown=False):
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for filename in filenames:
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os.unlink(os.path.join(dirpath, filename))
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for dirname in dirnames:
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os.rmdir(os.path.join(dirpath, dirname))
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