def load(filename, *args, **kwargs):
""" Load data content from a filename """
extension = os.path.basename(filename).split('.')[-1]
if extension == 'npy':
return np.load(filename, *args, **kwargs)
elif extension in ['ttf', 'otf']:
if filename is not None:
return filename
if depth == 0:
log.warning("Falling back to default font")
return get("SourceSansPro-Regular.otf", 1)
else:
log.critical("Default font not available")
raise RuntimeError
elif extension == 'obj':
return objload(filename, *args, **kwargs)
elif extension in ['svg', 'json', 'csv', 'tsv']:
return filename
elif extension in ('png', 'jpg', 'jpeg', 'tif', 'tiff', 'tga'):
if Image is not None:
if filename is not None:
return np.array(Image.open(filename))
log.warning("File not found")
return checkerboard(16,32)
else:
log.warning("PIL/Pillow not installed, cannot load image")
return checkerboard(16,32)
log.warning("Data not found (%s)" % name)
raise RuntimeError
return None
def load(filename, *args, **kwargs):
""" Load data content from a filename """
extension = os.path.basename(filename).split('.')[-1]
if extension == 'npy':
return np.load(filename, *args, **kwargs)
elif extension in ['ttf', 'otf']:
if filename is not None:
return filename
if depth == 0:
log.warning("Falling back to default font")
return get("SourceSansPro-Regular.otf", 1)
else:
log.critical("Default font not available")
raise RuntimeError
elif extension == 'obj':
return objload(filename, *args, **kwargs)
elif extension in ['svg', 'json', 'csv', 'tsv']:
return filename
elif extension in ('png', 'jpg', 'jpeg', 'tif', 'tiff', 'tga'):
if Image is not None:
if filename is not None:
return np.array(Image.open(filename))
log.warning("File not found")
return checkerboard(16, 32)
else:
log.warning("PIL/Pillow not installed, cannot load image")
return checkerboard(16, 32)
log.warning("Data not found (%s)" % name)
raise RuntimeError
return None
def _fetch_file(filename):
"""
Fetch a font file from a remote data server
Available servers:
* https://github.com/glumpy/glumpy-font/raw/master/Fonts
* https://github.com/glumpy/glumpy-data/raw/master/Data
"""
local_directory = os.path.dirname(__file__) or '.'
local_file = os.path.join(local_directory, filename)
if os.path.isfile(local_file):
return local_file
extension = os.path.basename(filename).split('.')[-1]
# Font server
if extension in ['ttf', 'otf']:
server = "https://github.com/glumpy/glumpy-font/raw/master/Fonts"
# Data server
else:
server = "https://github.com/glumpy/glumpy-data/raw/master/Data"
filename = os.path.basename(filename)
remote = os.path.join(server, filename)
# Build url request
log.info('Requesting "%s" from remote server' % filename)
try:
response = request.urlopen(remote)
except:
log.warning('Data not available on remote server')
return None
# Fetch symlink data (font location)
symlink = response.read().decode()
remote = os.path.join(server, symlink)
response = request.urlopen(remote)
# Fetch data
size = response.headers['Content-Length'].strip()
log.info('Fetching data (%s bytes) to "%s"' % (size, local_file))
with open(local_file, 'wb') as fp:
fp.write(response.read())
return local_file
def _fetch_file(filename):
"""
Fetch a font file from a remote data server
Available servers:
* https://github.com/glumpy/glumpy-font/raw/master/Fonts
* https://github.com/glumpy/glumpy-data/raw/master/Data
"""
local_directory = os.path.dirname(__file__) or '.'
local_file = os.path.join(local_directory, filename)
if os.path.isfile(local_file):
return local_file
extension = os.path.basename(filename).split('.')[-1]
# Font server
if extension in ['ttf', 'otf']:
server = "https://github.com/glumpy/glumpy-font/raw/master/Fonts"
# Data server
else:
server = "https://github.com/glumpy/glumpy-data/raw/master/Data"
filename = os.path.basename(filename)
remote = os.path.join(server, filename)
# Build url request
log.info('Requesting "%s" from remote server' % filename)
try:
response = request.urlopen(remote)
except:
log.warning('Data not available on remote server')
return None
# Fetch symlink data (font location)
symlink = response.read().decode()
remote = os.path.join(server, symlink)
response = request.urlopen(remote)
# Fetch data
size = response.headers['Content-Length'].strip()
log.info('Fetching data (%s bytes) to "%s"' % (size, local_file))
with open(local_file, 'wb') as fp:
fp.write(response.read())
return local_file
def get_file(name):
""" Retrieve a shader full path from sub-directories """
path = os.path.dirname(__file__) or '.'
filename = os.path.abspath(os.path.join(path,name))
if os.path.exists(filename):
return filename
for d in os.listdir(path):
fullpath = os.path.abspath(os.path.join(path,d))
if os.path.isdir(fullpath):
filename = os.path.abspath(os.path.join(fullpath,name))
if os.path.exists(filename):
return filename
log.warning("Shader '%s' not found" % name)
return None
def get(name):
""" Retrieve data content from a name """
filename = _get_file(name)
extension = os.path.basename(name).split('.')[-1]
if name == "checkerboard":
return checkerboard(16,32)
elif extension in ['ttf', 'otf']:
return filename
elif extension == 'npy':
return np.load(filename)
elif extension == 'obj':
return objload(filename)
elif extension in ('png', 'jpg', 'jpeg', 'tif', 'tiff', 'tga'):
if Image is not None:
return np.array(Image.open(filename))
else:
log.warning("PIL/Pillow not installed, cannot load image")
return checkerboard(16,32)
log.warning("Data not found (%s)" % name)
return None
def on_error(error, message):
log.warning(message)
def use(backend, api=None, major=None, minor=None, profile=None):
""" Select a specific backend
Parameters
----------
backend : ['osxglut', 'freeglut', 'pyglet', 'glfw', 'sdl', 'sdl2', 'pyside']
Graphical toolkit to use
api : ['GL'|'ES']
OpenGL API to use
major : int
OpenGL major version to use
minor : int
OpenGL minor version to use
profile : ['compatibility'|'core']
OpenGL profile to use
Note
----
A shortened version is available with the following syntax:
use("backend (api major.minor profile)")
For example, `use("glfw (GL 3.3 core)")`
"""
global __backend__
# Parse options (in backend name, see note above)
exp = """(?P<backend>\w+)?
(.*\(
(.*(?P<api>GL|ES))?
(.*(?P<major>[1234])\.(?P<minor>[012345]))?
(.*(?P<profile>compatibility|core))?.*\))?"""
r = re.search(exp, backend, re.IGNORECASE | re.VERBOSE)
_backend = r.group('backend') or "glfw"
_api = r.group('api') or "GL"
_major = int(r.group('major') or "2")
_minor = int(r.group('minor') or "1")
_profile = r.group('profile') or ""
# Arguments take precedence over shortened options
backend = _backend
api = api or _api
major = major or _major
minor = minor or _minor
profile = profile or _profile
config = configuration.get_default()
config.api = api
config.major_version = major
config.minor_version = minor
config.profile = profile
if backend not in backends.__backends__:
log.critical("Unknown backend (%s)" % backend)
log.cirtical("Available backends are: %s", str(backends.__backends__))
sys.exit(0)
# BUG: For some reason, the import module changes the working directory
# We save it beforehand and restore it just after
workdir = os.getcwd()
name = "glumpy.app.window.backends.backend_" + backend
importlib.import_module(name)
backend = sys.modules[name]
os.chdir(workdir)
# Check availability
if backend.available():
__backend__ = backend
return backend
else:
log.warning("Backend (%s) not available" % backend)
return None
def on_error(self, error, message):
log.warning(message)
def on_error(error, message):
log.warning(message)
def use(backend, api=None, major=None, minor=None, profile=None):
""" Select a specific backend
Parameters
----------
backend : ['osxglut', 'freeglut', 'pyglet', 'glfw', 'sdl', 'sdl2', 'pyside']
Graphical toolkit to use
api : ['GL'|'ES']
OpenGL API to use
major : int
OpenGL major version to use
minor : int
OpenGL minor version to use
profile : ['compatibility'|'core']
OpenGL profile to use
Note
----
A shortened version is available with the following syntax:
use("backend (api major.minor profile)")
For example, `use("glfw (GL 3.3 core)")`
"""
global __backend__
# Parse options (in backend name, see note above)
exp = """(?P<backend>\w+)?
(.*\(
(.*(?P<api>GL|ES))?
(.*(?P<major>[1234])\.(?P<minor>[012345]))?
(.*(?P<profile>compatibility|core))?.*\))?"""
r = re.search(exp, backend, re.IGNORECASE | re.VERBOSE)
_backend = r.group('backend') or "glfw"
_api = r.group('api') or "GL"
_major = int(r.group('major') or "2")
_minor = int(r.group('minor') or "1")
_profile = r.group('profile') or ""
# Arguments take precedence over shortened options
backend = _backend
api = api or _api
major = major or _major
minor = minor or _minor
profile = profile or _profile
config = configuration.get_default()
config.api = api
config.major_version = major
config.minor_version = minor
config.profile = profile
if backend not in backends.__backends__:
log.critical("Unknown backend (%s)" % backend)
log.critical("Available backends are: %s", str(backends.__backends__))
sys.exit(0)
# BUG: For some reason, the import module changes the working directory
# We save it beforehand and restore it just after
workdir = os.getcwd()
name = "glumpy.app.window.backends.backend_" + backend
importlib.import_module(name)
backend = sys.modules[name]
os.chdir(workdir)
# Check availability
if backend.available():
__backend__ = backend
return backend
else:
log.warning("Backend (%s) not available" % backend)
return None
