def render(self):
with NamedTemporaryFile(suffix=".xml") as buffer:
buffer.write('<?xml version="1.0" encoding="UTF-8"?>\n')
buffer.write('<sitemapindex ')
buffer.write(
'xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">\n'
)
for page in xrange(1, self.page_count + 1):
loc = '<sitemap><loc>%s</loc></sitemap>\n'
method = '%s.sitemap' % self.model._name
buffer.write(loc % url_for(method, page=page, _external=True))
buffer.write('</sitemapindex>')
return send_file(buffer.name, cache_timeout=self.cache_timeout)
def render(self):
"""This method writes the sitemap directly into the response as a stream
using the ResponseStream
"""
with NamedTemporaryFile(suffix=".xml") as buffer:
buffer.write('<?xml version="1.0" encoding="UTF-8"?>\n')
buffer.write(
'<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">\n'
)
for line in self:
buffer.write(etree.tostring(line) + u'\n')
buffer.write('</urlset>')
return send_file(buffer.name, cache_timeout=self.cache_timeout)
def send_static_file(cls, folder, name):
"""
Invokes the send_file method in nereid.helpers to send a file as the
response to the request. The file is sent in a way which is as
efficient as possible. For example nereid will use the X-Send_file
header to make nginx send the file if possible.
:param folder: name of the folder
:param name: name of the file
"""
# TODO: Separate this search and find into separate cached method
files = cls.search([("folder.name", "=", folder), ("name", "=", name)])
if not files:
abort(404)
return send_file(files[0].file_path)
def send_static_file(cls, folder, name):
"""
Invokes the send_file method in nereid.helpers to send a file as the
response to the request. The file is sent in a way which is as
efficient as possible. For example nereid will use the X-Send_file
header to make nginx send the file if possible.
:param folder: folder_name of the folder
:param name: name of the file
"""
#TODO: Separate this search and find into separate cached method
files = cls.search([('folder.folder_name', '=', folder),
('name', '=', name)])
if not files:
abort(404)
return send_file(files[0].file_path)
def download_invoice(self):
"""
Allow user to download invoice.
"""
Report = Pool().get('account.invoice', type='report')
if self.party != current_user.party:
abort(403)
vals = Report.execute([self.id], {})
with tempfile.NamedTemporaryFile(delete=False) as file:
file.write(vals[1])
return send_file(
file.name,
as_attachment=True,
attachment_filename=vals[3],
)
def send_static_file(self, folder, name):
"""
Invokes the send_file method in nereid.helpers to send a file as the
response to the reuqest. The file is sent in a way which is as
efficient as possible. For example nereid will use the X-Send_file
header to make nginx send the file if possible.
:param folder: folder_name of the folder
:param name: name of the file
"""
#TODO: Separate this search and find into separate cached method
ids = self.search([
('folder.folder_name', '=', folder),
('name', '=', name)
])
if not ids:
abort(404)
file_ = self.browse(ids[0])
return send_file(file_.file_path)
def transform_static_file(self, commands, extension):
"""
Transform the static file and send the transformed file
:param commands: A list of commands separated by /
:param extension: The image format to use
"""
tmp_folder = os.path.join(
'/tmp/nereid/', Transaction().cursor.dbname, str(self.id)
)
if not os.path.exists(tmp_folder):
os.makedirs(tmp_folder)
filename = os.path.join(
tmp_folder,
'%s.%s' % (secure_filename(commands), extension)
)
if not os.path.exists(filename):
self._transform_static_file(commands, extension, filename)
rv = send_file(filename)
rv.headers['Cache-Control'] = 'public, max-age=%d' % 86400
return rv
class NereidStaticFile:
__name__ = "nereid.static.file"
allowed_operations = ['resize', 'thumbnail']
@staticmethod
def thumbnail(image, w=128, h=128, m='n'):
"""
:param image: Image instance
:param w: width
:param h: height
:param m: mode for the resize operation
* n - NEAREST
* l - BILINEAR
* c - BICUBIC
* a - ANTIALIAS (best quality)
"""
image.thumbnail((int(w), int(h)), FILTER_MAP[m])
return image
@staticmethod
def resize(image, w=128, h=128, m='n'):
"""
:param image: Image instance
:param w: width
:param h: height
:param m: mode for the resize operation
* n - NEAREST
* l - BILINEAR
* c - BICUBIC
* a - ANTIALIAS (best quality)
"""
return image.resize((int(w), int(h)), FILTER_MAP[m])
def _transform_static_file(self, commands, extension, filename):
"""
Transform the static file and send the transformed file
:param commands: A list of commands separated by /
:param extension: The image format to use
:param filename: The file to which the transformed image
needs to be written
"""
# Ugly hack '[:]' to fix issue in python 2.7.3
image_file = Image.open(BytesIO(self.file_binary[:]))
parse_command = TransformationCommand.parse_command
for command in commands.split('/'):
operation, params = parse_command(command)
assert operation in self.allowed_operations
image_file = getattr(self, operation)(image_file, **params)
image_file.save(filename)
def transform_static_file(self, commands, extension):
"""
Transform the static file and send the transformed file
:param commands: A list of commands separated by /
:param extension: The image format to use
"""
tmp_folder = os.path.join('/tmp/nereid/',
Transaction().cursor.dbname, str(self.id))
try:
os.makedirs(tmp_folder)
except OSError, err:
if err.errno == 17:
# directory exists
pass
else:
raise
filename = os.path.join(
tmp_folder, '%s.%s' % (secure_filename(commands), extension))
file_date = os.path.exists(filename) and datetime.fromtimestamp(
os.path.getmtime(filename), pytz.timezone('UTC'))
if not file_date or (self.write_date and
file_date < pytz.UTC.localize(self.write_date)):
self._transform_static_file(commands, extension, filename)
rv = send_file(filename)
rv.headers['Cache-Control'] = 'public, max-age=%d' % 86400
return rv
