def setfile(
self,
submittedValue,
filename='',
overwrite=False,
contenttype=''
):
""" Store `submittedValue` (assumed to be a file) as a blob (or FSS).
The name is normalized before storing. Return the normalized name and
the guessed content type. (The `contenttype` parameter is ignored.)
"""
# TODO: does the `contenttype` parameter exist for BBB?
# If so, mention it. If not, can it go?
if filename == '':
filename = submittedValue.filename
if filename:
if """\\""" in filename:
filename = filename.split("\\")[-1]
filename = '.'.join(
[normalizeString(s, encoding='utf-8')
for s in filename.split('.')])
if overwrite and filename in self.objectIds():
self.deletefile(filename)
try:
self._checkId(filename)
except BadRequest:
#
# If filename is a reserved id, we rename it
#
# Rather than risk dates going back in time when timezone is
# changed, always use UTC. I.e. here we care more about
# ordering and uniqueness than about the time (which can be
# found elsewhere on the object).
#
filename = '%s_%s' % (
DateTime().toZone('UTC').strftime("%Y%m%d%H%M%S"),
filename)
if (isinstance(submittedValue, FileUpload) or
type(submittedValue) == file):
submittedValue.seek(0)
contenttype = guessMimetype(submittedValue, filename)
submittedValue = submittedValue.read()
elif submittedValue.__class__.__name__ == '_fileobject':
submittedValue = submittedValue.read()
blob = BlobWrapper(contenttype)
file_obj = blob.getBlob().open('w')
file_obj.write(submittedValue)
file_obj.close()
blob.setFilename(filename)
blob.setContentType(contenttype)
self._setObject(filename, blob)
return (filename, contenttype)
else:
return (None, "")
def _get_blob_from_fs_file(file_path):
"""get blob file from fs file. remove tmp prefix separated by --
"""
file_obj = open(file_path)
file_name = os.path.split(file_path)[-1].split('--')[-1]
file_mimetype = guessMimetype(file_obj, filename=file_name)
file_blob = NamedBlobFile(data=file_obj.read(),
contentType=file_mimetype,
filename=unicode(file_name))
return file_blob
def _get_blob_from_fs_file(file_path):
"""get blob file from fs file. remove tmp prefix separated by --
"""
file_obj = open(file_path)
file_name = os.path.split(file_path)[-1].split('--')[-1]
file_mimetype = guessMimetype(file_obj, filename=file_name)
file_blob = NamedBlobFile(data=file_obj.read(),
contentType=file_mimetype,
filename=unicode(file_name))
return file_blob
def setfile(self,
submittedValue,
filename='',
overwrite=False,
contenttype=''):
""" Store `submittedValue` (assumed to be a file) as a blob (or FSS).
The name is normalized before storing. Return the normalized name and
the guessed content type. (The `contenttype` parameter is ignored.)
"""
# TODO: does the `contenttype` parameter exist for BBB?
# If so, mention it. If not, can it go?
if filename == '':
filename = submittedValue.filename
if filename:
if """\\""" in filename:
filename = filename.split("\\")[-1]
filename = '.'.join([
normalizeString(s, encoding='utf-8')
for s in filename.split('.')
])
if overwrite and filename in self.objectIds():
self.deletefile(filename)
try:
self._checkId(filename)
except BadRequest:
# if filename is a reserved id, we rename it
filename = '%s_%s' % (DateTime().toZone('UTC').strftime(
"%Y%m%d%H%M%S"), filename)
if HAS_BLOB:
if (isinstance(submittedValue, FileUpload)
or type(submittedValue) == file):
submittedValue.seek(0)
contenttype = guessMimetype(submittedValue, filename)
submittedValue = submittedValue.read()
elif submittedValue.__class__.__name__ == '_fileobject':
submittedValue = submittedValue.read()
try:
blob = BlobWrapper(contenttype)
except: # XXX Except what?
# BEFORE PLONE 4.0.1
blob = BlobWrapper()
file_obj = blob.getBlob().open('w')
file_obj.write(submittedValue)
file_obj.close()
blob.setFilename(filename)
blob.setContentType(contenttype)
self._setObject(filename, blob)
else:
self.manage_addFile(filename, submittedValue)
contenttype = self[filename].getContentType()
return (filename, contenttype)
else:
return (None, "")
def setfile(self,
submittedValue,
filename='',
overwrite=False,
contenttype=''):
"""
"""
if filename == '':
filename = submittedValue.filename
if filename != '':
if """\\""" in filename:
filename = filename.split("\\")[-1]
filename = ".".join([
normalizeString(s, encoding='utf-8')
for s in filename.split('.')
])
if overwrite and filename in self.objectIds():
self.deletefile(filename)
try:
self._checkId(filename)
except BadRequest:
# if filename is a reserved id, we rename it
filename = DateTime().toZone('UTC').strftime(
"%Y%m%d%H%M%S") + "_" + filename
if (self.getParentDatabase().getStorageAttachments() == True):
tmpfile = File(filename, filename, submittedValue)
storage = FileSystemStorage()
storage.set(filename, self, tmpfile)
contenttype = storage.get(filename, self).getContentType()
elif HAS_BLOB:
if isinstance(submittedValue,
FileUpload) or type(submittedValue) == file:
submittedValue.seek(0)
contenttype = guessMimetype(submittedValue, filename)
submittedValue = submittedValue.read()
try:
blob = BlobWrapper(contenttype)
except:
# BEFORE PLONE 4.0.1
blob = BlobWrapper()
file_obj = blob.getBlob().open('w')
file_obj.write(submittedValue)
file_obj.close()
blob.setFilename(filename)
blob.setContentType(contenttype)
self._setObject(filename, blob)
else:
self.manage_addFile(filename, submittedValue)
contenttype = self[filename].getContentType()
return (filename, contenttype)
else:
return (None, "")
def getRarMimeTypes(blobfile):
""" Get mime-types from RAR archive
"""
filename = getattr(blobfile, 'filename', '')
if hasattr(blobfile, 'getIterator'):
blobfile = blobfile.getIterator()
with NamedTemporaryFile(suffix=filename) as tmpfile:
for chunk in blobfile:
tmpfile.write(chunk)
tmpfile.flush()
zfile = RarFile(tmpfile.name)
for zchild in zfile.infolist():
data = StringIO(zchild.header_data)
filename = getattr(zchild, 'filename', None)
mimetype = guessMimetype(data, filename)
if not mimetype:
continue
yield mimetype
def attachThis(plominoDocument, submittedValue, itemname, filename='', overwrite=True):
'''
Funcion with the aim to simplify the setting of a file as an attachment of a plominoDocument
Usage sample:
submittedValue = plominoPrint(plominoDocument, 'stampa_autorizzazione')
attachThis(plominoDocument, submittedValue, 'autorizzazione', filename='stampa_autorizzazione.pdf')
#### TO DO ####
a batter reciper proposed by Eric B. could be found here:
https://github.com/plomino/Plomino/issues/172#issuecomment-9494835
###############
'''
new_file = None
try:
os.path.isfile(submittedValue)
except:
pass
else:
if os.path.isfile(submittedValue):
with open(submittedValue, 'r') as ff:
(new_file, contenttype) = plominoDocument.setfile(ff,
filename=filename, overwrite=overwrite)
if not new_file:
(new_file, contenttype) = plominoDocument.setfile(submittedValue,
filename=filename, overwrite=overwrite)
if not contenttype:
# then try a guess
try:
import cStringIO
from plone.app.blob.utils import guessMimetype
tmpFile = cStringIO.StringIO()
tmpFile.write(submittedValue)
contenttype = guessMimetype(tmpFile, filename)
tmpFile.close()
except:
pass
current_files = plominoDocument.getItem(itemname, {}) or {}
current_files[new_file] = contenttype or 'unknown filetype'
plominoDocument.setItem(itemname, current_files)
return new_file
def __init__(self, context):
self.context = context
self.__mimetype = guessMimetype(self.context, self.filename())
def mimetype(self):
""" see interface ... """
return guessMimetype(self.context, self.filename())
def __init__(self, context):
self.context = context
self.__mimetype = guessMimetype(self.context, self.filename())
def mimetype(self):
""" see interface ... """
return guessMimetype(StringIO(self.context.data), None)
def testMimetypeGuessing(self):
gif = StringIO(getImage())
self.assertEqual(guessMimetype(gif), 'image/gif')
self.assertEqual(guessMimetype(gif, 'image.jpg'), 'image/jpeg')
self.assertEqual(guessMimetype(StringIO(), 'image.jpg'), 'image/jpeg')
self.assertEqual(guessMimetype(StringIO('foo')), 'text/plain')
def mimetype(self):
""" see interface ... """
mimetype = self.context.mimetype
if mimetype is None:
mimetype = guessMimetype(self.context.file, self.filename())
return mimetype
def testMimetypeGuessing(self):
gif = StringIO(getImage())
self.assertEqual(guessMimetype(gif), 'image/gif')
self.assertEqual(guessMimetype(gif, 'image.jpg'), 'image/jpeg')
self.assertEqual(guessMimetype(StringIO(), 'image.jpg'), 'image/jpeg')
self.assertEqual(guessMimetype(StringIO('foo')), 'text/plain')
try:
import cStringIO
from plone.app.blob.utils import guessMimetype
except ImportError, err:
out.update(dict(
contenttype = None,
success = 0,
err_msg = '%s' % err
))
out['contenttype'] = None
else:
tmpFile = cStringIO.StringIO()
tmpFile.write(submittedValue)
out.update(dict(
contenttype = guessMimetype(tmpFile, filename),
success = 1,
))
tmpFile.close()
return out
def attachThis(plominoDocument, submittedValue, itemname, filename='', overwrite=True):
'''
Funcion with the aim to simplify the setting of a file as an attachment of a plominoDocument
Usage sample:
submittedValue = plominoPrint(plominoDocument, 'stampa_autorizzazione')
attachThis(plominoDocument, submittedValue, 'autorizzazione', filename='stampa_autorizzazione.pdf')
#### TO DO ####
a batter reciper proposed by Eric B. could be found here:
https://github.com/plomino/Plomino/issues/172#issuecomment-9494835
