def generate_image(image, size):
size = int(size)
path = os.path.join(settings.MEDIA_ROOT, image)
name = os.path.basename(image)
mime = guess_type(path)
if mime.startswith('image/'):
img = Image.open(path)
elif mime.startswith('video/'):
thumbdir = os.path.join(
settings.MEDIA_ROOT, 'thumb', os.path.dirname(image)
)
try:
os.makedirs(thumbdir)
except OSError:
pass
thumbpath = os.path.join(thumbdir, name) + ".jpg"
if not os.path.exists(thumbpath):
subprocess.call(['avconv', '-i', path, '-vframes', '1', thumbpath])
img = Image.open(thumbpath)
else:
return None
if hasattr(img, '_getexif'):
exif = img._getexif()
else:
exif = None
if exif:
orientation = exif.get(0x0112, 1)
else:
orientation = 1
rotate = {
3: Image.ROTATE_180,
6: Image.ROTATE_270,
8: Image.ROTATE_90
}
if orientation in rotate:
img = img.transpose(rotate[orientation])
if size < 256:
img = ImageOps.fit(img, (size, size), Image.ANTIALIAS)
elif size < 600:
img.thumbnail((size, size), Image.ANTIALIAS)
else:
width, height = img.size
if width > size:
ratio = float(size) / float(width)
height = int(height * ratio)
img = img.resize((size, height), Image.ANTIALIAS)
tdir = os.path.join(settings.MEDIA_ROOT, str(size), os.path.dirname(image))
try:
os.makedirs(tdir)
except OSError:
pass
img.save(os.path.join(tdir, name), 'JPEG')
data = BytesIO()
img.save(data, 'JPEG')
data.seek(0)
return data
def mimetype(self):
if self.type is not None:
return self.type.mimetype
if self.file.name not in (None, ""):
mimetype = guess_type(self.file.name, self.file.read(1024))
return mimetype
else:
return None
def mimetype(self):
if self.type is not None:
return self.type.mimetype
if self.file.name not in (None, ""):
mimetype = guess_type(self.file.name, self.file.read(1024))
return mimetype
else:
return None
def mimetype(self):
if self.type is not None:
return self.type.mimetype
if self.file.name not in (None, ""):
from wq.io.util import guess_type
mimetype = guess_type(self.file.name, self.file.read(1024))
return mimetype
else:
return None
def mimetype(self):
if self.type is not None:
return self.type.mimetype
if self.file.name not in (None, ""):
from wq.io.util import guess_type
mimetype = guess_type(self.file.name, self.file.read(1024))
return mimetype
else:
return None
def generate_image(image, size):
size = int(size)
path = os.path.join(settings.MEDIA_ROOT, image)
name = os.path.basename(image)
mime = guess_type(path)
if mime.startswith('image/'):
img = Image.open(path)
elif mime.startswith('video/'):
thumbdir = os.path.join(settings.MEDIA_ROOT, 'thumb',
os.path.dirname(image))
try:
os.makedirs(thumbdir)
except OSError:
pass
thumbpath = os.path.join(thumbdir, name) + ".jpg"
if not os.path.exists(thumbpath):
subprocess.call(['avconv', '-i', path, '-vframes', '1', thumbpath])
img = Image.open(thumbpath)
else:
return None
if hasattr(img, '_getexif'):
exif = img._getexif()
else:
exif = None
if exif:
orientation = exif.get(0x0112, 1)
else:
orientation = 1
rotate = {3: Image.ROTATE_180, 6: Image.ROTATE_270, 8: Image.ROTATE_90}
if orientation in rotate:
img = img.transpose(rotate[orientation])
if size < 256:
img = ImageOps.fit(img, (size, size), Image.ANTIALIAS)
elif size < 600:
img.thumbnail((size, size), Image.ANTIALIAS)
else:
width, height = img.size
if width > size:
ratio = float(size) / float(width)
height = int(height * ratio)
img = img.resize((size, height), Image.ANTIALIAS)
tdir = os.path.join(settings.MEDIA_ROOT, str(size), os.path.dirname(image))
try:
os.makedirs(tdir)
except OSError:
pass
img.save(os.path.join(tdir, name), 'JPEG')
data = BytesIO()
img.save(data, 'JPEG')
data.seek(0)
return data
def export_image(source, dest, size):
size = int(size)
mime = guess_type(source)
if not mime.startswith('image/'):
raise Exception("Unknown file type %s for %s!" % (mime, source))
img = Image.open(source)
if hasattr(img, '_getexif'):
exif = img._getexif()
else:
exif = None
if exif:
orientation = exif.get(0x0112, 1)
else:
orientation = 1
rotate = {3: Image.ROTATE_180, 6: Image.ROTATE_270, 8: Image.ROTATE_90}
if orientation in rotate:
img = img.transpose(rotate[orientation])
img = ImageOps.fit(img, (size, size), Image.ANTIALIAS)
img.save(dest, 'JPEG')
def mimetype(self):
if self.file.name not in (None, ""):
self.file.open()
return guess_type(self.file.name, self.file.read(1024))
else:
return None
