def edit_result_figure(self, figure_id, **data):
"""
Retrieve and edit a previously stored figure.
"""
figure = dao.load_figure(figure_id)
figure.session_name = data['session_name']
figure.name = data['name']
dao.store_entity(figure)
# Load instance from DB to have lazy fields loaded.
figure = dao.load_figure(figure_id)
# Store figure meta data in an XML attached to the image.
self.file_helper.write_image_metadata(figure)
def edit_result_figure(self, figure_id, **data):
"""
Retrieve and edit a previously stored figure.
"""
figure = dao.load_figure(figure_id)
figure.session_name = data['session_name']
figure.name = data['name']
dao.store_entity(figure)
# Load instance from DB to have lazy fields loaded.
figure = dao.load_figure(figure_id)
# Store figure meta data in an XML attached to the image.
self.file_helper.write_image_metadata(figure)
def edit_result_figure(self, figure_id, **data):
"""
Retrieve and edit a previously stored figure.
"""
figure = dao.load_figure(figure_id)
figure.session_name = data['session_name']
figure.name = data['name']
dao.store_entity(figure)
# Load instance from DB to have lazy fields loaded.
figure = dao.load_figure(figure_id)
# Store figure meta data in an XML attached to the image.
_, meta_data = figure.to_dict()
self.storage_interface.write_image_metadata(figure, meta_data)
self.storage_interface.push_folder_to_sync(figure.project.name)
def store_result_figure(self,
project,
user,
img_type,
export_data,
image_name=None):
"""
Store into a file, Result Image and reference in DB.
"""
store_path, file_name = self._image_path(project.name, img_type)
image_name = self._generate_image_name(project, user, image_name)
if img_type == FigureService._TYPE_PNG: # PNG file from canvas
self._write_png(store_path, export_data)
elif img_type == FigureService._TYPE_SVG: # SVG file from svg viewer
self._write_svg(store_path, export_data)
# Store entity into DB
entity = ResultFigure(user.id, project.id,
FigureService._DEFAULT_SESSION_NAME, image_name,
file_name, img_type)
entity = dao.store_entity(entity)
# Load instance from DB to have lazy fields loaded
figure = dao.load_figure(entity.id)
# Write image meta data to disk
_, meta_data = figure.to_dict()
self.storage_interface.write_image_metadata(figure, meta_data)
self.storage_interface.push_folder_to_sync(project.name)
def store_result_figure(self, project, user, img_type, export_data, image_name=None, operation_id=None):
"""
Store into a file, Result Image and reference in DB.
"""
store_path, file_name = self._image_path(project.name, img_type)
if img_type == FigureService._TYPE_PNG: # PNG file from canvas
self._write_png(store_path, export_data)
elif img_type == FigureService._TYPE_SVG: # SVG file from svg viewer
self._write_svg(store_path, export_data)
if operation_id:
operation = dao.get_operation_by_id(operation_id)
else:
operation = None
operation_id = None
image_name = self._generate_image_name(project, user, operation, image_name)
# Store entity into DB
entity = ResultFigure(operation_id, user.id, project.id, FigureService._DEFAULT_SESSION_NAME,
image_name, file_name, img_type)
entity = dao.store_entity(entity)
# Load instance from DB to have lazy fields loaded
figure = dao.load_figure(entity.id)
# Write image meta data to disk
self.file_helper.write_image_metadata(figure)
def _import_image(self, src_folder, metadata_file, project_id,
target_images_path):
"""
Create and store a image entity.
"""
figure_dict = XMLReader(os.path.join(src_folder,
metadata_file)).read_metadata()
actual_figure = os.path.join(
src_folder,
os.path.split(figure_dict['file_path'])[1])
if not os.path.exists(actual_figure):
self.logger.warning("Expected to find image path %s .Skipping" %
actual_figure)
return
figure_dict['fk_user_id'] = self.user_id
figure_dict['fk_project_id'] = project_id
figure_entity = manager_of_class(ResultFigure).new_instance()
figure_entity = figure_entity.from_dict(figure_dict)
stored_entity = dao.store_entity(figure_entity)
# Update image meta-data with the new details after import
figure = dao.load_figure(stored_entity.id)
shutil.move(actual_figure, target_images_path)
self.logger.debug("Store imported figure")
self.files_helper.write_image_metadata(figure)
def store_result_figure(self, project, user, img_type, export_data, image_name=None, operation_id=None):
"""
Store into a file, Result Image and reference in DB.
"""
store_path, file_name = self._image_path(project.name, img_type)
if img_type == FigureService._TYPE_PNG: # PNG file from canvas
self._write_png(store_path, export_data)
elif img_type == FigureService._TYPE_SVG: # SVG file from svg viewer
self._write_svg(store_path, export_data)
if operation_id:
operation = dao.get_operation_by_id(operation_id)
else:
operation = None
operation_id = None
image_name = self._generate_image_name(project, user, operation, image_name)
# Store entity into DB
entity = model.ResultFigure(operation_id, user.id, project.id, FigureService._DEFAULT_SESSION_NAME,
image_name, file_name, img_type)
entity = dao.store_entity(entity)
# Load instance from DB to have lazy fields loaded
figure = dao.load_figure(entity.id)
# Write image meta data to disk
self.file_helper.write_image_metadata(figure)
if operation:
# Force writing operation meta data on disk.
# This is important later for operation import
self.file_helper.write_operation_metadata(operation)
def remove_result_figure(self, figure_id):
"""
Remove figure from DB and file storage.
"""
figure = dao.load_figure(figure_id)
self.storage_interface.remove_figure(figure)
# Remove figure reference from DB.
result = dao.remove_entity(ResultFigure, figure_id)
return result
def remove_result_figure(self, figure_id):
"""
Remove figure from DB and file storage.
"""
figure = dao.load_figure(figure_id)
# Delete all figure related files from disk.
figures_folder = self.file_helper.get_images_folder(figure.project.name)
path2figure = os.path.join(figures_folder, figure.file_path)
if os.path.exists(path2figure):
os.remove(path2figure)
self.file_helper.remove_image_metadata(figure)
# Remove figure reference from DB.
result = dao.remove_entity(model.ResultFigure, figure_id)
return result
def remove_result_figure(self, figure_id):
"""
Remove figure from DB and file storage.
"""
figure = dao.load_figure(figure_id)
# Delete all figure related files from disk.
figures_folder = self.file_helper.get_images_folder(
figure.project.name)
path2figure = os.path.join(figures_folder, figure.file_path)
if os.path.exists(path2figure):
os.remove(path2figure)
self.file_helper.remove_image_metadata(figure)
# Remove figure reference from DB.
result = dao.remove_entity(model.ResultFigure, figure_id)
return result
def __populate_image(self, file_name, project_id, op_id):
"""
Create and store a image entity.
"""
figure_dict = XMLReader(file_name).read_metadata()
new_path = os.path.join(os.path.split(file_name)[0],
os.path.split(figure_dict['file_path'])[1])
if os.path.exists(new_path):
figure_dict['fk_op_id'] = op_id
figure_dict['fk_user_id'] = self.user_id
figure_dict['fk_project_id'] = project_id
figure_entity = manager_of_class(model.ResultFigure).new_instance()
figure_entity = figure_entity.from_dict(figure_dict)
stored_entity = dao.store_entity(figure_entity)
# Update image meta-data with the new details after import
figure = dao.load_figure(stored_entity.id)
self.logger.debug("Store imported figure")
self.files_helper.write_image_metadata(figure)
def __populate_image(self, file_name, project_id, op_id):
"""
Create and store a image entity.
"""
figure_dict = XMLReader(file_name).read_metadata()
new_path = os.path.join(
os.path.split(file_name)[0],
os.path.split(figure_dict['file_path'])[1])
if os.path.exists(new_path):
figure_dict['fk_op_id'] = op_id
figure_dict['fk_user_id'] = self.user_id
figure_dict['fk_project_id'] = project_id
figure_entity = manager_of_class(model.ResultFigure).new_instance()
figure_entity = figure_entity.from_dict(figure_dict)
stored_entity = dao.store_entity(figure_entity)
# Update image meta-data with the new details after import
figure = dao.load_figure(stored_entity.id)
self.logger.debug("Store imported figure")
self.files_helper.write_image_metadata(figure)
def _populate_image(self, file_name, project_id):
"""
Create and store a image entity.
"""
figure_dict = XMLReader(file_name).read_metadata()
new_path = os.path.join(os.path.split(file_name)[0], os.path.split(figure_dict['file_path'])[1])
if not os.path.exists(new_path):
self.logger.warn("Expected to find image path %s .Skipping" % new_path)
op = dao.get_operation_by_gid(figure_dict['fk_from_operation'])
figure_dict['fk_op_id'] = op.id if op is not None else None
figure_dict['fk_user_id'] = self.user_id
figure_dict['fk_project_id'] = project_id
figure_entity = manager_of_class(model.ResultFigure).new_instance()
figure_entity = figure_entity.from_dict(figure_dict)
stored_entity = dao.store_entity(figure_entity)
# Update image meta-data with the new details after import
figure = dao.load_figure(stored_entity.id)
self.logger.debug("Store imported figure")
self.files_helper.write_image_metadata(figure)
def _populate_image(self, file_name, project_id):
"""
Create and store a image entity.
"""
figure_dict = XMLReader(file_name).read_metadata()
new_path = os.path.join(os.path.split(file_name)[0], os.path.split(figure_dict['file_path'])[1])
if not os.path.exists(new_path):
self.logger.warn("Expected to find image path %s .Skipping" % new_path)
op = dao.get_operation_by_gid(figure_dict['fk_from_operation'])
figure_dict['fk_op_id'] = op.id if op is not None else None
figure_dict['fk_user_id'] = self.user_id
figure_dict['fk_project_id'] = project_id
figure_entity = manager_of_class(model.ResultFigure).new_instance()
figure_entity = figure_entity.from_dict(figure_dict)
stored_entity = dao.store_entity(figure_entity)
# Update image meta-data with the new details after import
figure = dao.load_figure(stored_entity.id)
self.logger.debug("Store imported figure")
self.files_helper.write_image_metadata(figure)
def store_result_figure(self, project, user, img_type, operation_id, export_data):
"""
Store into a file, Result Image and reference in DB.
"""
session_name = "Default"
file_name = "snapshot." + img_type
# Generate path where to store image
store_path = self.file_helper.get_images_folder(project.name, operation_id)
store_path = utils.get_unique_file_name(store_path, file_name)[0]
file_name = os.path.split(store_path)[1]
if img_type == "jpg": # JPG file from canvas
# Store image
img_data = base64.b64decode(export_data)
dest = open(store_path, 'wb')
dest.write(img_data)
dest.close()
elif img_type == 'svg': # SVG file from svg viewer
# Generate path where to store image
dest = open(store_path, 'w')
dest.write(export_data)
dest.close()
# Store entity into DB
entity = model.ResultFigure(operation_id, user.id, project.id, session_name,
"Snapshot-" + operation_id, file_name)
entity = dao.store_entity(entity)
# Load instance from DB to have lazy fields loaded
figure = dao.load_figure(entity.id)
# Write image meta data to disk
self.file_helper.write_image_metadata(figure)
# Force writing operation meta data on disk.
# This is important later for operation import
operation = dao.get_operation_by_id(operation_id)
self.file_helper.write_operation_metadata(operation)
def load_figure(figure_id):
"""
Loads a stored figure by its id.
"""
return dao.load_figure(figure_id)
def store_result_figure(self, project, user, img_type, operation_id, export_data):
"""
Store into a file, Result Image and reference in DB.
"""
# Generate path where to store image
store_path = self.file_helper.get_images_folder(project.name, operation_id)
store_path = utils.get_unique_file_name(store_path, FigureService._DEFAULT_IMAGE_FILE_NAME + img_type)[0]
file_path = os.path.split(store_path)[1]
if img_type == FigureService._TYPE_PNG: # PNG file from canvas
imgData = base64.b64decode(export_data) # decode the image
fakeImgFile = StringIO(imgData) # PIL.Image only opens from file, so fake one
origImg = Image.open(fakeImgFile)
brandingBar = Image.open(FigureService._BRANDING_BAR_PNG)
finalSize = (origImg.size[0], # original width
origImg.size[1] + brandingBar.size[1]) # original height + brandingBar height
finalImg = Image.new("RGBA", finalSize)
finalImg.paste(origImg, (0, 0)) # add the original image
finalImg.paste(brandingBar, (0, origImg.size[1])) # add the branding bar, below the original
# the extra width will be discarded
finalImg.save(store_path) # store to disk
elif img_type == FigureService._TYPE_SVG: # SVG file from svg viewer
dom = xml.dom.minidom.parseString(export_data)
figureSvg = dom.getElementsByTagName('svg')[0] # get the original image
dom = xml.dom.minidom.parse(FigureService._BRANDING_BAR_SVG)
brandingSvg = dom.getElementsByTagName('svg')[0] # get the branding bar
brandingSvg.setAttribute("y", figureSvg.getAttribute("height")) # position it below the figure
finalSvg = dom.createElement('svg') # prepare the final svg
width = figureSvg.getAttribute('width').replace('px', '') # same width as original figure
finalSvg.setAttribute("width", width)
height = float(figureSvg.getAttribute('height').replace('px', '')) # increase original height with
height += float(brandingSvg.getAttribute('height').replace('px', '')) # branding bar's height
finalSvg.setAttribute("height", str(height))
finalSvg.appendChild(figureSvg) # add the image
finalSvg.appendChild(brandingSvg) # and the branding bar
# Generate path where to store image
dest = open(store_path, 'w')
finalSvg.writexml(dest) # store to disk
dest.close()
operation = dao.get_operation_by_id(operation_id)
file_name = 'TVB-%s-%s' % (operation.algorithm.name.replace(' ', '-'), operation_id) # e.g. TVB-Algo-Name-352
# Store entity into DB
entity = model.ResultFigure(operation_id, user.id, project.id, FigureService._DEFAULT_SESSION_NAME,
file_name, file_path, img_type)
entity = dao.store_entity(entity)
# Load instance from DB to have lazy fields loaded
figure = dao.load_figure(entity.id)
# Write image meta data to disk
self.file_helper.write_image_metadata(figure)
# Force writing operation meta data on disk.
# This is important later for operation import
self.file_helper.write_operation_metadata(operation)
def load_figure(figure_id):
"""
Loads a stored figure by its id.
"""
return dao.load_figure(figure_id)
