def open(url, mode='Pillow'):
if hasattr(url, 'read') or isinstance(url, Image.Image):
stream = url
elif not urlutil.isurl(url):
stream = io.open(url, 'rb')
else:
try:
# wrap BytesIO for rewind stream
stream = io.BytesIO(urlopen(url).read())
except:
warning(u("Could not retrieve: %s"), url)
raise IOError
image = pillow_open(url, stream)
if mode.lower() == 'pillow':
# stream will be closed by GC
return image
else: # mode == 'png'
try:
png_image = io.BytesIO()
image.save(png_image, 'PNG')
if hasattr(stream, 'close'): # close() is implemented on Pillow
stream.close()
except:
warning(u("Could not convert image: %s"), url)
raise IOError
png_image.seek(0)
return png_image
def image(self, box, url):
if not urlutil.isurl(url):
string = open(url, 'rb').read()
url = "data:;base64," + str(base64.b64encode(string))
im = image(url, box.x1, box.y1, box.width, box.height)
self.svg.addElement(im)
def image(self, box, url):
if urlutil.isurl(url):
from reportlab.lib.utils import ImageReader
try:
url = ImageReader(url)
except:
msg = u("WARNING: Could not retrieve: %s\n") % url
sys.stderr.write(msg)
return
y = self.size[1] - box[3]
self.canvas.drawImage(url, box.x1, y, box.width, box.height,
mask='auto', preserveAspectRatio=True)
def image(self, box, url):
if urlutil.isurl(url):
try:
from io import BytesIO as StringIO
except ImportError:
from cStringIO import StringIO
try:
from urllib.request import urlopen
except ImportError:
from urllib import urlopen
try:
url = StringIO(urlopen(url).read())
except:
msg = u("WARNING: Could not retrieve: %s\n") % url
sys.stderr.write(msg)
return
image = Image.open(url)
# resize image.
w = min([box.width, image.size[0] * self.scale_ratio])
h = min([box.height, image.size[1] * self.scale_ratio])
image.thumbnail((w, h), Image.ANTIALIAS)
# centering image.
w, h = image.size
if box.width > w:
x = box[0] + (box.width - w) // 2
else:
x = box[0]
if box.height > h:
y = box[1] + (box.height - h) // 2
else:
y = box[1]
self.paste(image, (x, y))
def get_image_size(filename):
if filename not in _image_size_cache:
uri = filename
if urlutil.isurl(filename):
try:
from io import BytesIO as StringIO
except ImportError:
from cStringIO import StringIO
try:
from urllib.request import urlopen
except ImportError:
from urllib import urlopen
try:
uri = StringIO(urlopen(filename).read())
except IOError:
raise RuntimeError('Could not retrieve: %s' % filename)
try:
_image_size_cache[filename] = Image.open(uri).size
except:
raise RuntimeError('Colud not get size of image: %s' % filename)
return _image_size_cache[filename]
def set_background(self, value):
if urlutil.isurl(value) or os.path.isfile(value):
self.background = value
else:
warning("background image not found: %s", value)
def set_icon(self, value):
if urlutil.isurl(value) or os.path.isfile(value):
self.icon = value
else:
warning("icon image not found: %s", value)
def set_background(self, value):
if urlutil.isurl(value) or os.path.isfile(value):
self.background = value
else:
warning("background image not found: %s", value)
def set_icon(self, value):
if urlutil.isurl(value) or os.path.isfile(value):
self.icon = value
else:
warning("icon image not found: %s", value)
def set_background(self, value):
if urlutil.isurl(value) or os.path.isfile(value):
self.background = value
else:
msg = u("WARNING: background image not found: %s\n") % value
sys.stderr.write(msg)
def set_icon(self, value):
if urlutil.isurl(value) or os.path.isfile(value):
self.icon = value
else:
msg = u("WARNING: icon image not found: %s\n") % value
sys.stderr.write(msg)