def toFieldValue(self, value):
if value is None or value == '':
return self.field.missing_value
if INamed.providedBy(value):
return value
elif utils.is_file_upload(value):
filename = safe_basename(value.filename)
if filename is not None and isinstance(filename, six.binary_type):
# Work-around for
# https://bugs.launchpad.net/zope2/+bug/499696
filename = filename.decode('utf-8')
value.seek(0)
data = value.read()
if data or filename:
return self.field._type(data=data, filename=filename)
else:
return self.field.missing_value
else:
if isinstance(value, six.text_type):
value = value.encode('utf-8')
return self.field._type(data=value)
def toFieldValue(self, value):
if value is None or value == '':
return self.field.missing_value
if INamed.providedBy(value):
return value
elif isinstance(value, FileUpload):
filename = safe_basename(value.filename)
if filename is not None and not isinstance(filename, unicode):
# Work-around for
# https://bugs.launchpad.net/zope2/+bug/499696
filename = filename.decode('utf-8')
value.seek(0)
data = value.read()
if data or filename:
return self.field._type(data=data, filename=filename)
else:
return self.field.missing_value
else:
return self.field._type(data=str(value))
def toFieldValue(self, value):
if value is None or value == '':
return self.field.missing_value
if INamed.providedBy(value):
return value
elif isinstance(value, FileUpload):
filename = safe_basename(value.filename)
if filename is not None and not isinstance(filename, unicode):
# Work-around for
# https://bugs.launchpad.net/zope2/+bug/499696
filename = filename.decode('utf-8')
value.seek(0)
data = value.read()
if data or filename:
return self.field._type(data=data, filename=filename)
else:
return self.field.missing_value
else:
return self.field._type(data=str(value))
def filename(self):
if INamed.providedBy(self.value):
return self.value.filename
elif utils.is_file_upload(self.value):
return safe_basename(self.value.filename)
else:
return None
def toFieldValue(self, value):
if value is None or value == '':
return self.field.missing_value
if INamed.providedBy(value):
return value
elif isinstance(value, FileUpload):
headers = value.headers
filename = safe_basename(value.filename)
if filename is not None and not isinstance(filename, unicode):
# Work-around for
# https://bugs.launchpad.net/zope2/+bug/499696
filename = filename.decode('utf-8')
contentType = 'application/octet-stream'
if headers:
contentType = headers.get('Content-Type', contentType)
value.seek(0)
data = value.read()
if data or filename:
return self.field._type(data=data, contentType=contentType, filename=filename)
else:
return self.field.missing_value
else:
return self.field._type(data=str(value))
def filename(self):
if self.field is not None and self.value == self.field.missing_value:
return None
elif INamed.providedBy(self.value):
return self.value.filename
elif isinstance(self.value, FileUpload):
return safe_basename(self.value.filename)
else:
return None
def filename(self):
if self.field is not None and self.value == self.field.missing_value:
return None
elif INamed.providedBy(self.value):
return self.value.filename
elif isinstance(self.value, FileUpload):
return safe_basename(self.value.filename)
else:
return None
def getImage(self, value):
widget = self.widget
req = widget.request
if isinstance(value, FileUpload):
filename = safe_basename(value.filename)
if filename is not None and not isinstance(filename, unicode):
# Work-around for
# https://bugs.launchpad.net/zope2/+bug/499696
filename = filename.decode('utf-8')
value.seek(0)
data = value.read()
if data or filename:
value = self.field._type(data=data, filename=filename)
else:
return self.get_missing_image()
else:
args = {}
if req.get(widget.name + '.filename'):
filename = req.get(widget.name + '.filename')
if type(filename) in (list, set, tuple) and filename:
filename = filename[0]
if not isinstance(filename, unicode):
filename = filename.decode('utf8')
args['filename'] = filename
if isinstance(value, basestring):
if value.startswith('reference:'):
reference = value.replace('reference:', '')
obj = uuidToObject(reference)
if obj:
try:
try:
ct = obj.image.contentType
except AttributeError:
ct = None
value = NamedBlobImage(contentType=ct)
alsoProvides(value, IReferenceNamedImage)
value.reference = reference
except AttributeError:
pass
elif value.startswith('data:'):
value = b64decode(value.split(',')[-1])
value = self.field._type(data=value, **args)
else:
try:
value = self.field._type(data=str(value), **args)
except UnicodeEncodeError:
value = self.field._type(data=value.encode('utf8'), **args)
return value
def _toFieldSubValue(self, value, current_field_value):
"""
Converts a subvalue to an `INamedFile`.
Parameters:
value -- The value extracted from the request by the widget.
current_field_value -- The current value of the field on the context.
Return:
a value of the fields value_type or it's `missing_value` if the value cannot be converted.
See plone.formwidget.namedfile.converter.NamedDataConverter
"""
value_type = self.field.value_type._type
missing_value = self.field.value_type.missing_value
if value is None or value == '':
return missing_value
elif INamed.providedBy(value):
return value
elif isinstance(value, basestring) and value.startswith('index:'):
# we already have the file
index = int(value.split(':')[1])
try:
return current_field_value[index]
except IndexError:
return missing_value
elif isinstance(value, FileUpload):
# create a new file
headers = value.headers
filename = safe_basename(value.filename)
if filename is not None and not isinstance(filename, unicode):
# Work-around for
# https://bugs.launchpad.net/zope2/+bug/499696
filename = filename.decode('utf-8')
contentType = 'application/octet-stream'
if headers:
contentType = headers.get('Content-Type', contentType)
value.seek(0)
data = value.read()
if data or filename:
return value_type(data=data, contentType=contentType, filename=filename)
else:
return missing_value
else:
return value_type(data=str(value))
def toFieldValue(self, value):
filename = None
data = None
if INamed.providedBy(value):
filename = value.filename
data = value.data
elif isinstance(value, FileUpload):
filename = safe_basename(value.filename)
value.seek(0)
data = value.read()
if not data:
return self.field.missing_value
return b64encode_file(filename, data)
def toFieldValue(self, value):
filename = None
data = None
if INamed.providedBy(value):
filename = value.filename
data = value.data
elif isinstance(value, FileUpload):
filename = safe_basename(value.filename)
value.seek(0)
data = value.read()
if not data:
return self.field.missing_value
return b64encode_file(filename, data)
def replace_link(link):
if not match(link):
return link
try:
f = self.url_opener.open(link)
except urllib2.HTTPError:
return link
except urllib2.URLError as error:
logger.warning('Could not replace link %s in %s: %s' % (
link, '/'.join(self.context.getPhysicalPath()), error
))
return link
path = urlparse.urlparse(link).path
filename = unicode(urllib.quote(safe_basename(path)))
key = cache_keys.getKey(link)
value = self.image_blob_factory(f.read(), filename=filename)
cache_manager.add(key, self.context, value)
return prefix + urllib.quote(key, safe='')
def replace_link(link):
if not match(link):
return link
try:
f = self.url_opener.open(link)
except urllib2.HTTPError:
return link
except urllib2.URLError as error:
logger.warning(
'Could not replace link %s in %s: %s' %
(link, '/'.join(self.context.getPhysicalPath()), error))
return link
path = urlparse.urlparse(link).path
filename = unicode(urllib.quote(safe_basename(path)))
key = cache_keys.getKey(link)
value = self.image_blob_factory(f.read(), filename=filename)
cache_manager.add(key, self.context, value)
return prefix + urllib.quote(key, safe='')
def extract(self, default=NOVALUE):
url = self.request.getURL()
action = self.request.get("%s.action" % self.name, None)
if url.endswith('kss_z3cform_inline_validation')\
or url.endswith('z3cform_validate_field'):
# Ignore validation requests.
action = 'nochange'
if action == 'remove':
return None
elif action == 'nochange':
if self.value is not None:
return self.value
if url.endswith('z3cform_validate_field'):
# Ignore validation requests.
return None
# Handle already uploaded files in case of previous form errors
file_upload_id = self.request.get(
"%s.file_upload_id" % self.name
) or 0
if file_upload_id:
upload_map = IFileUploadTemporaryStorage(getSite()).upload_map
fileinfo = upload_map.get(file_upload_id, {})
filename = fileinfo.get('filename')
data = fileinfo.get('data')
if filename or data:
if filename:
filename = safe_basename(filename)
if (
filename is not None
and not isinstance(filename, six.text_type)
):
# work-around for
# https://bugs.launchpad.net/zope2/+bug/499696
filename = filename.decode('utf-8')
del upload_map[file_upload_id]
value = {
'data': data,
'filename': filename,
}
ret = _make_namedfile(value, self.field, self)
return ret
if self.ignoreContext:
return default
dm = getMultiAdapter((self.context, self.field,), IDataManager)
# For sub-widgets to function use a query() not get()
data = dm.query(default)
data = _make_namedfile(data, self.field, self.context)
return data
# empty unnamed FileUploads should not count as a value
value = super(NamedFileWidget, self).extract(default)
if utils.is_file_upload(value):
value.seek(0, SEEK_END)
empty = value.tell() == 0
value.seek(0)
if empty and not value.filename:
return default
value.seek(0)
return value
