def _get_image_dimensions(self, field):
cachename = "__%s_dimensions_cache" % field.name
if not hasattr(self, cachename):
from django.utils.images import get_image_dimensions
filename = self._get_FIELD_filename(field)
setattr(self, cachename, get_image_dimensions(filename))
return getattr(self, cachename)
def _get_image_dimensions(self, field):
cachename = "__%s_dimensions_cache" % field.name
if not hasattr(self, cachename):
from django.utils.images import get_image_dimensions
filename = self._get_FIELD_filename(field)
setattr(self, cachename, get_image_dimensions(filename))
return getattr(self, cachename)
def _save_FIELD_file(self, field, filename, raw_contents, save=True):
directory = field.get_directory_name()
try: # Create the date-based directory if it doesn't exist.
os.makedirs(os.path.join(settings.MEDIA_ROOT, directory))
except OSError: # Directory probably already exists.
pass
filename = field.get_filename(filename)
# If the filename already exists, keep adding an underscore to the name of
# the file until the filename doesn't exist.
while os.path.exists(os.path.join(settings.MEDIA_ROOT, filename)):
try:
dot_index = filename.rindex('.')
except ValueError: # filename has no dot
filename += '_'
else:
filename = filename[:dot_index] + '_' + filename[dot_index:]
# Write the file to disk.
setattr(self, field.attname, filename)
full_filename = self._get_FIELD_filename(field)
fp = open(full_filename, 'wb')
fp.write(raw_contents)
fp.close()
# Save the width and/or height, if applicable.
if isinstance(field, ImageField) and (field.width_field
or field.height_field):
from django.utils.images import get_image_dimensions
width, height = get_image_dimensions(full_filename)
if field.width_field:
setattr(self, field.width_field, width)
if field.height_field:
setattr(self, field.height_field, height)
# Save the object because it has changed unless save is False
if save:
self.save()
def _save_FIELD_file(self, field, filename, raw_contents, save=True):
directory = field.get_directory_name()
try: # Create the date-based directory if it doesn't exist.
os.makedirs(os.path.join(settings.MEDIA_ROOT, directory))
except OSError: # Directory probably already exists.
pass
filename = field.get_filename(filename)
# If the filename already exists, keep adding an underscore to the name of
# the file until the filename doesn't exist.
while os.path.exists(os.path.join(settings.MEDIA_ROOT, filename)):
try:
dot_index = filename.rindex(".")
except ValueError: # filename has no dot
filename += "_"
else:
filename = filename[:dot_index] + "_" + filename[dot_index:]
# Write the file to disk.
setattr(self, field.attname, filename)
full_filename = self._get_FIELD_filename(field)
fp = open(full_filename, "wb")
fp.write(raw_contents)
fp.close()
# Save the width and/or height, if applicable.
if isinstance(field, ImageField) and (field.width_field or field.height_field):
from django.utils.images import get_image_dimensions
width, height = get_image_dimensions(full_filename)
if field.width_field:
setattr(self, field.width_field, width)
if field.height_field:
setattr(self, field.height_field, height)
# Save the object because it has changed unless save is False
if save:
self.save()
def _save_FIELD_file(self, field, filename, raw_field, save=True):
# Create the upload directory if it doesn't already exist
directory = os.path.join(settings.MEDIA_ROOT,
field.get_directory_name())
if not os.path.exists(directory):
os.makedirs(directory)
elif not os.path.isdir(directory):
raise IOError('%s exists and is not a directory' % directory)
# Check for old-style usage (files-as-dictionaries). Warn here first
# since there are multiple locations where we need to support both new
# and old usage.
if isinstance(raw_field, dict):
import warnings
warnings.warn(
message=
"Representing uploaded files as dictionaries is deprecated. Use django.core.files.uploadedfile.SimpleUploadedFile instead.",
category=DeprecationWarning,
stacklevel=2)
from django.core.files.uploadedfile import SimpleUploadedFile
raw_field = SimpleUploadedFile.from_dict(raw_field)
elif isinstance(raw_field, str):
import warnings
warnings.warn(
message=
"Representing uploaded files as strings is deprecated. Use django.core.files.uploadedfile.SimpleUploadedFile instead.",
category=DeprecationWarning,
stacklevel=2)
from django.core.files.uploadedfile import SimpleUploadedFile
raw_field = SimpleUploadedFile(filename, raw_field)
if filename is None:
filename = raw_field.file_name
filename = field.get_filename(filename)
# If the filename already exists, keep adding an underscore to the name
# of the file until the filename doesn't exist.
while os.path.exists(os.path.join(settings.MEDIA_ROOT, filename)):
try:
dot_index = filename.rindex('.')
except ValueError: # filename has no dot.
filename += '_'
else:
filename = filename[:dot_index] + '_' + filename[dot_index:]
# Save the file name on the object and write the file to disk.
setattr(self, field.attname, filename)
full_filename = self._get_FIELD_filename(field)
if hasattr(raw_field, 'temporary_file_path'):
# This file has a file path that we can move.
raw_field.close()
file_move_safe(raw_field.temporary_file_path(), full_filename)
else:
# This is a normal uploadedfile that we can stream.
fp = open(full_filename, 'wb')
locks.lock(fp, locks.LOCK_EX)
for chunk in raw_field.chunks():
fp.write(chunk)
locks.unlock(fp)
fp.close()
# Save the width and/or height, if applicable.
if isinstance(field, ImageField) and \
(field.width_field or field.height_field):
from django.utils.images import get_image_dimensions
width, height = get_image_dimensions(full_filename)
if field.width_field:
setattr(self, field.width_field, width)
if field.height_field:
setattr(self, field.height_field, height)
# Save the object because it has changed, unless save is False.
if save:
self.save()
def _save_FIELD_file(self, field, filename, raw_field, save=True):
# Create the upload directory if it doesn't already exist
directory = os.path.join(settings.MEDIA_ROOT, field.get_directory_name())
if not os.path.exists(directory):
os.makedirs(directory)
elif not os.path.isdir(directory):
raise IOError('%s exists and is not a directory' % directory)
# Check for old-style usage (files-as-dictionaries). Warn here first
# since there are multiple locations where we need to support both new
# and old usage.
if isinstance(raw_field, dict):
import warnings
warnings.warn(
message = "Representing uploaded files as dictionaries is deprecated. Use django.core.files.uploadedfile.SimpleUploadedFile instead.",
category = DeprecationWarning,
stacklevel = 2
)
from django.core.files.uploadedfile import SimpleUploadedFile
raw_field = SimpleUploadedFile.from_dict(raw_field)
elif isinstance(raw_field, str):
import warnings
warnings.warn(
message = "Representing uploaded files as strings is deprecated. Use django.core.files.uploadedfile.SimpleUploadedFile instead.",
category = DeprecationWarning,
stacklevel = 2
)
from django.core.files.uploadedfile import SimpleUploadedFile
raw_field = SimpleUploadedFile(filename, raw_field)
if filename is None:
filename = raw_field.file_name
filename = field.get_filename(filename)
# If the filename already exists, keep adding an underscore to the name
# of the file until the filename doesn't exist.
while os.path.exists(os.path.join(settings.MEDIA_ROOT, filename)):
try:
dot_index = filename.rindex('.')
except ValueError: # filename has no dot.
filename += '_'
else:
filename = filename[:dot_index] + '_' + filename[dot_index:]
# Save the file name on the object and write the file to disk.
setattr(self, field.attname, filename)
full_filename = self._get_FIELD_filename(field)
if hasattr(raw_field, 'temporary_file_path'):
# This file has a file path that we can move.
raw_field.close()
file_move_safe(raw_field.temporary_file_path(), full_filename)
else:
# This is a normal uploadedfile that we can stream.
fp = open(full_filename, 'wb')
locks.lock(fp, locks.LOCK_EX)
for chunk in raw_field.chunks():
fp.write(chunk)
locks.unlock(fp)
fp.close()
# Save the width and/or height, if applicable.
if isinstance(field, ImageField) and \
(field.width_field or field.height_field):
from django.utils.images import get_image_dimensions
width, height = get_image_dimensions(full_filename)
if field.width_field:
setattr(self, field.width_field, width)
if field.height_field:
setattr(self, field.height_field, height)
# Save the object because it has changed, unless save is False.
if save:
self.save()