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Document file storage is can now be changed from the settings.py file, better configuration options names

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This commit is contained in:
Roberto Rosario
2011-02-06 22:22:01 -04:00
parent f38561099c
commit 1d70d68505
4 changed files with 50 additions and 33 deletions
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7
apps/documents/conf/settings.py
View File

@@ -5,6 +5,7 @@ import uuid
from django.conf import settings
from django.contrib.auth.models import User
from documents.storage import DocumentStorage
default_available_functions = {
'current_date':datetime.datetime.now().date,
@@ -26,7 +27,9 @@ DELETE_LOCAL_ORIGINAL = getattr(settings, 'DOCUMENTS_DELETE_LOCAL_ORIGINAL', Fal
CHECKSUM_FUNCTION = getattr(settings, 'DOCUMENTS_CHECKSUM_FUNCTION', lambda x: hashlib.sha256(x).hexdigest())
UUID_FUNCTION = getattr(settings, 'DOCUMENTS_UUID_FUNTION', lambda:unicode(uuid.uuid4()))
# Storage
STORAGE_BACKEND = getattr(settings, 'DOCUMENTS_STORAGE_BACKEND', DocumentStorage)
STORAGE_DIRECTORY_NAME = getattr(settings, 'DOCUMENTS_STORAGE_DIRECTORY_NAME', 'documents')
# Serving
FILESERVING_PATH = getattr(settings, 'DOCUMENTS_FILESERVING_PATH', u'/tmp/mayan/documents')
SLUGIFY_PATH = getattr(settings, 'DOCUMENTS_SLUGIFY_PATH', False)
FILESYSTEM_FILESERVING_ENABLE = getattr(settings, 'DOCUMENTS_FILESYSTEM_FILESERVING_ENABLE', True)
FILESYSTEM_FILESERVING_PATH = getattr(settings, 'DOCUMENTS_FILESERVING_PATH', u'/tmp/mayan/documents')
FILESYSTEM_SLUGIFY_PATHS = getattr(settings, 'DOCUMENTS_SLUGIFY_PATHS', False)

63
apps/documents/models.py
View File

@@ -12,14 +12,17 @@ from django.utils.translation import ugettext
from dynamic_search.api import register
from documents.conf.settings import AVAILABLE_FUNCTIONS
from documents.conf.settings import FILESERVING_PATH
from documents.conf.settings import SLUGIFY_PATH
from documents.conf.settings import AVAILABLE_MODELS
from documents.conf.settings import CHECKSUM_FUNCTION
from documents.conf.settings import UUID_FUNCTION
from documents.conf.settings import STORAGE_BACKEND
from documents.conf.settings import STORAGE_DIRECTORY_NAME
from documents.conf.settings import AVAILABLE_MODELS
from documents.conf.settings import FILESYSTEM_FILESERVING_ENABLE
from documents.conf.settings import FILESYSTEM_FILESERVING_PATH
from documents.conf.settings import FILESYSTEM_SLUGIFY_PATHS
if SLUGIFY_PATH == False:
if FILESYSTEM_SLUGIFY_PATHS == False:
#Do not slugify path or filenames and extensions
slugify = lambda x:x
@@ -52,7 +55,7 @@ class Document(models.Model):
Inherit this model to customise document metadata, see BasicDocument for an example.
"""
document_type = models.ForeignKey(DocumentType, verbose_name=_(u'document type'))
file = models.FileField(upload_to=get_filename_from_uuid)
file = models.FileField(upload_to=get_filename_from_uuid, storage=STORAGE_BACKEND())
uuid = models.CharField(max_length=48, default=UUID_FUNCTION(), blank=True, editable=False)
file_mimetype = models.CharField(max_length=64, default='', editable=False)
file_filename = models.CharField(max_length=64, default='', editable=False)
@@ -90,36 +93,38 @@ class Document(models.Model):
targets = []
for metadata in self.documentmetadata_set.all():
if metadata.metadata_type.documenttypemetadatatype_set.all()[0].create_directory_link:
target_directory = os.path.join(FILESERVING_PATH, slugify(metadata.metadata_type.name), slugify(metadata.value))
target_directory = os.path.join(FILESYSTEM_FILESERVING_PATH, slugify(metadata.metadata_type.name), slugify(metadata.value))
targets.append(os.path.join(target_directory, os.extsep.join([slugify(self.file_filename), slugify(self.file_extension)])))
return targets
def create_fs_links(self):
for target in self.calculate_fs_links():
try:
os.makedirs(os.path.dirname(target))
except OSError, exc:
if exc.errno == errno.EEXIST:
pass
else:
raise OSError(ugettext(u'Unable to create metadata indexing directory: %s') % exc)
try:
os.symlink(os.path.abspath(self.file.path), target)
except OSError, exc:
if exc.errno == errno.EEXIST:
pass
else:
raise OSError(ugettext(u'Unable to create metadata indexing symbolic link: %s') % exc)
if FILESYSTEM_FILESERVING_ENABLE:
for target in self.calculate_fs_links():
try:
os.makedirs(os.path.dirname(target))
except OSError, exc:
if exc.errno == errno.EEXIST:
pass
else:
raise OSError(ugettext(u'Unable to create metadata indexing directory: %s') % exc)
try:
os.symlink(os.path.abspath(self.file.path), target)
except OSError, exc:
if exc.errno == errno.EEXIST:
pass
else:
raise OSError(ugettext(u'Unable to create metadata indexing symbolic link: %s') % exc)
def delete_fs_links(self):
for target in self.calculate_fs_links():
try:
os.unlink(target)
except OSError, exc:
if exc.errno == errno.ENOENT:
pass
else:
raise OSError(ugettext(u'Unable to delete metadata indexing symbolic link: %s') % exc)
if FILESYSTEM_FILESERVING_ENABLE:
for target in self.calculate_fs_links():
try:
os.unlink(target)
except OSError, exc:
if exc.errno == errno.ENOENT:
pass
else:
raise OSError(ugettext(u'Unable to delete metadata indexing symbolic link: %s') % exc)
available_functions_string = (_(u' Available functions: %s') % ','.join(['%s()' % name for name, function in AVAILABLE_FUNCTIONS.items()])) if AVAILABLE_FUNCTIONS else ''

8
apps/documents/storage.py Normal file
View File

@@ -0,0 +1,8 @@
from django.core.files.storage import FileSystemStorage
class DocumentStorage(FileSystemStorage):
def __init__(self, *args, **kwargs):
super(DocumentStorage, self).__init__(*args, **kwargs)
self.location='document_storage'
self.base_url='document_storage'

5
settings.py
View File

@@ -178,8 +178,9 @@ LOGIN_EXEMPT_URLS = (
# Storage
#DOCUMENTS_STORAGE_DIRECTORY_NAME = 'documents'
# Serving
#DOCUMENTS_FILESERVING_PATH = u'/tmp/mayan/documents'
#DOCUMENTS_SLUGIFY_PATH = False
#DOCUMENTS_FILESYSTEM_FILESERVING_ENABLE = True
#DOCUMENTS_FILESYSTEM_FILESERVING_PATH = u'/tmp/mayan/documents'
#DOCUMENTS_FILESYSTEM_SLUGIFY_PATHS = False
#======== End of configuration options =======
try: