def __parse_image_data__(self, data):
"""
Load the image from data with PIL
"""
try:
parser = ImageFile.Parser()
parser.feed(data)
self.__image__ = parser.close()
except IOError:
raise AlbumArtError('Error parsing albumart image data')
try:
self.__mimetype__ = PIL_MIME_MAP[self.__image__.format]
if self.__mimetype__ is None:
raise AlbumArtError('Error detecting image format')
except KeyError:
self.__image__ = None
raise AlbumArtError('Unsupported PIL image format: {}'.format(
self.__image__.format))
if self.__image__.mode != 'RGB':
self.__image__ = self.__image__.convert('RGB')
def merge(self):
# This function will merge every layer together
# Create a batch list
batch = sorted(self.result.keys())
# Converte bytes to image object
images = []
for i in batch:
# Create parser
p = ImageFile.Parser()
# Feed data to parser
self.result[i].seek(0)
p.feed(self.result[i].read())
# Transform data in a image object
images.append(p.close())
# Merge each layer together
bottomImage = images[0].convert("RGBA")
for i in range(1, len(images)):
# merge
bottomImage = Image.alpha_composite(bottomImage,
images[i].convert("RGBA"))
return bottomImage
def upload_image(_file, path="/business_licence/%Y/%m/%d/"):
"""
图片上传函数
:param _file:
:param path: eg: "/business_licence/%Y/%m/%d/"
:return:
"""
if _file:
path = os.path.join(settings.MEDIA_ROOT + path, 'upload')
file_name = str(uuid.uuid1()) + ".jpg"
path_file = os.path.join(path, file_name)
parser = ImageFile.Parser()
for chunk in _file.chunks():
parser.feed(chunk)
img = parser.close()
try:
if img.mode != "RGB":
img = img.convert("RGB")
img.save(path_file, 'jpeg', quality=100)
except Exception as e:
return False
return True
return False
def handleResponse(self,request,data):
try:
isImage = getattr(request,'isImage')
except AttributeError:
isImage = False
if isImage:
try:
image_type=request.imageType
#For some reason more images get parsed using the parser
#rather than a file...PIL still needs some work I guess
p = ImageFile.Parser()
p.feed(data)
im = p.close()
im=im.transpose(Image.ROTATE_180)
output = StringIO()
im.save(output,format=image_type)
data=output.getvalue()
output.close()
logging.info("Flipped image")
except Exception as e:
print "Error: %s" % e
return {'request':request,'data':data}
def get_sizes(uri):
"""
http://stackoverflow.com/questions/8915296/python-image-library-fails-with-message-decoder-jpeg-not-available-pil
needs libjpg etc on system-wide
"""
# get file size *and* image size (None if not known)
file = urllib.urlopen(uri)
size = file.headers.get("content-length")
if size:
size = int(size)
p = ImageFile.Parser()
while 1:
data = file.read(1024)
if not data:
break
p.feed(data)
if p.image:
return size, p.image.size
break
file.close()
return size, None
def getsizes(url):
req = Request(url)
try:
file = urlopen(req, timeout=10)
except:
return (0)
else:
size = file.headers.get("content-length")
if size: size = int(size)
p = ImageFile.Parser()
while 1:
data = file.read(1024)
if not data:
break
try:
p.feed(data)
except:
return (0)
if p.image:
return p.image.size[0] * p.image.size[1]
break
file.close()
return 0
def __compress_illust(data: bytes) -> bytes:
"""
压缩图片（图片以bytes形式传递）
:param data: 图片
"""
p = ImageFile.Parser()
p.feed(data)
img = p.close()
w, h = img.size
if w > compress_size or h > compress_size:
ratio = min(compress_size / w, compress_size / h)
img_cp = img.resize((int(ratio * w), int(ratio * h)), Image.ANTIALIAS)
else:
img_cp = img.copy()
img_cp = img_cp.convert("RGB")
with BytesIO() as bio:
img_cp.save(bio,
format="JPEG",
optimize=True,
quantity=compress_quantity)
return bio.getvalue()
def getsizes(uri):
# get file size *and* image size (None if not known)
file = urllib.urlopen(uri)
size = file.headers.get("content-length")
if size: size = int(size)
p = ImageFile.Parser()
while 1:
data = file.read(1024)
if not data:
break
p.feed(data)
if p.image:
return size, p.image.size
break
file.close()
return size, None
#parse('http://www.huffingtonpost.com/entry/david-cameron-dodgy_us_570bf446e4b0885fb50dc004')
#parse('http://www.huffingtonpost.com/entry/ted-cruz-gold-standard-republican_us_571196bfe4b06f35cb6fbac6?cps=gravity_2425_-8385480002285021224')
#parse('http://www.theblaze.com/stories/2016/04/12/trump-blasts-rnc-chairman-reince-priebus-should-be-ashamed-of-himself/')
def get_image_size(url):
"""
Gets the dimensions of a web image. url must be a direct link to the image,
currently little support around this. Will timeout if
Args:
url (string): The url of the hosted image
Returns:
tuple(float, float): (image width, image height).
on failure: (None, None).
"""
width = height = None
try:
file = urllib2.urlopen(url)
except:
print("urllib2.urlopen failed.", end='')
return width, height
try:
p = ImageFile.Parser()
except:
print("ImageFile.Parser failed.", end='')
return width, height
while 1:
data = file.read(1024)
if not data:
print('EOF reached.', end='')
break
p.feed(data)
if p.image:
w, h = p.image.size
width = float(w)
height = float(h)
break
file.close()
return width, height
def getimagesize(url):
"""
Attempts to determine an image's width and height, and returns a string
suitable for use in an <img> tag, or None in case of failure.
Requires that PIL is installed.
>>> getimagesize("http://www.google.com/intl/en_ALL/images/logo.gif")
... #doctest: +ELLIPSIS, +SKIP
'width="..." height="..."'
"""
try:
from PIL import ImageFile
except ImportError:
try:
import ImageFile
except ImportError:
return None
try:
import urllib2
except ImportError:
return None
try:
p = ImageFile.Parser()
f = urllib2.urlopen(url)
while True:
s = f.read(1024)
if not s:
break
p.feed(s)
if p.image:
return 'width="%i" height="%i"' % p.image.size
except (IOError, ValueError):
return None
def get_image_info(url):
"""Returns the content-type, image size (kb), height and width of
an image without fully downloading it.
:param url: The URL of the image.
"""
r = requests.get(url, stream=True)
image_size = r.headers.get("content-length")
image_size = float(image_size) / 1000 # in kilobyte
image_max_size = 10000
image_data = {
"content_type": "",
"size": image_size,
"width": 0,
"height": 0
}
# lets set a hard limit of 10MB
if image_size > image_max_size:
return image_data
data = None
parser = ImageFile.Parser()
while True:
data = r.raw.read(1024)
if not data:
break
parser.feed(data)
if parser.image:
image_data["content_type"] = parser.image.format
image_data["width"] = parser.image.size[0]
image_data["height"] = parser.image.size[1]
break
return image_data
def response(self, response, request, data):
try:
isImage = getattr(request, 'isImage')
except AttributeError:
isImage = False
if isImage:
try:
#For some reason more images get parsed using the parser
#rather than a file...PIL still needs some work I guess
p = ImageFile.Parser()
p.feed(data)
im = p.close()
im = im.transpose(Image.ROTATE_180)
output = StringIO()
im.save(output, format=self.imageType)
data = output.getvalue()
output.close()
self.clientlog.info("Flipped image", extra=request.clientInfo)
except Exception as e:
self.clientlog.info("Error: {}".format(e),
extra=request.clientInfo)
return {'response': response, 'request': request, 'data': data}
def listdata(request):
"""展示文章列表，更改前端展示图片"""
articleall = models.Article.objects.order_by("-Article_time")
banner = models.banners.objects.all()
VisitNumber = models.VisitNumber.objects.all()
Userip = models.Userip.objects.all()
DayNumber = models.DayNumber.objects.all()
try:
res = request.GET.get("del")
print "res--->{}".format(res)
article = models.Article.objects.get(id=res).delete()
except:
pass
if request.method == "POST":
f1 = request.FILES['testimg']
fid = request.POST.get("id")
parser = ImageFile.Parser()
file_suffix = f1.name.split('.')[-1]
f1.name = str(uuid.uuid1()) + '.' + file_suffix
for chunk in f1.chunks():
parser.feed(chunk)
img = parser.close()
name = '%s%s' % (settings.MEDIA_ROOT, f1.name) ##这里的时保存文件的路径加名字！
sqlNamePhone = "/static/media/" + f1.name
img.save(name)
p = models.Article.objects.get(id=fid)
p.Article_images = sqlNamePhone
p.save()
return render(request, "listdata.html", locals())
else:
return render(request, "listdata.html", locals())
def _upload(file):
'''Image Uploading and Storing'''
if file:
path = os.path.join(settings.MEDIA_ROOT, 'static/upload')
file_name = str(uuid.uuid1()) + ".jpg"
path_file = os.path.join(path, file_name)
parser = ImageFile.Parser()
for chunk in file.chunks():
parser.feed(chunk)
try:
img = parser.close()
except OSError:
return 2, 'Not an image.'
try:
if img.mode != "RGB":
img = img.convert("RGB")
img.save(path_file, 'jpeg', quality=100)
except Exception as e:
print(str(e))
return 3, 'Cannot save as jpg file.'
return 1, path_file
return 4, 'No file attached.'
def is_hd(url, min_width, min_height):
"""
Returns false if image from URL is not HD (Specified by min-/max_width)
"""
file = urllib.request.urlopen(url)
size = file.headers.get("content-length")
if size:
size = int(size)
parser = ImageFile.Parser()
while 1:
data = file.read(1024)
if not data:
break
parser.feed(data)
if parser.image:
# return p.image.size
if parser.image.size[0] >= min_width and parser.image.size[
1] >= min_height:
return True
return False
file.close()
return False
def _get_url_size(self, url):
"""
Request the size (width and height) of a URL image.
:param url:
:return: [width, height]
"""
size = [0, 0]
with urllib.request.urlopen(url) as file:
image_parser = ImageFile.Parser()
while True:
data = file.read(1024)
if not data:
break
image_parser.feed(data)
if image_parser.image:
size = image_parser.image.size
break
return size
def make_avatar(file_obj):
import time, random
fn = time.strftime('%Y%m%d%H%M%S')
fn = fn + '_%d' % random.randint(0, 100)
url = 'static/avatars/%s.jpg' % fn
from PIL import Image, ImageFile
parser = ImageFile.Parser()
for chunk in file_obj.chunks():
parser.feed(chunk)
img = parser.close()
w, h = img.size
if w != 80 or h != 80:
if w > h:
diff = (w - h) / 2
img = img.crop((diff, 0, w - diff, h))
else:
diff = (h - w) / 2
img = img.crop((0, diff, w, h - diff))
img = img.resize((80, 80), Image.ANTIALIAS)
if img.mode != "RGB":
img = img.convert("RGB")
img.save(url, quality=90)
return url[7:]
def test_raise_typeerror(self):
with pytest.raises(TypeError):
parser = ImageFile.Parser()
parser.feed(1)
def volunteer_twitter(request, urlname, token):
try:
conference = Conference.objects.select_related('series').get(
urlname=urlname)
except Conference.DoesNotExist:
raise Http404()
if not conference.has_social_broadcast:
raise Http404()
reg = get_object_or_404(ConferenceRegistration,
conference=conference,
regtoken=token)
if conference.administrators.filter(pk=reg.attendee_id).exists(
) or conference.series.administrators.filter(pk=reg.attendee_id):
is_admin = True
canpost = conference.twitter_postpolicy != 0
canpostdirect = conference.twitter_postpolicy != 0
canmoderate = conference.twitter_postpolicy in (2, 3)
elif not conference.volunteers.filter(pk=reg.pk).exists():
raise Http404()
else:
is_admin = False
canpost = conference.twitter_postpolicy >= 2
canpostdirect = conference.twitter_postpolicy == 4
canmoderate = conference.twitter_postpolicy == 3
providers = ProviderCache()
if request.method == 'POST':
if request.POST.get('op', '') == 'post':
approved = False
approvedby = None
if is_admin:
if conference.twitter_postpolicy == 0:
raise PermissionDenied()
# Admins can use the bypass parameter to, well, bypass
if request.POST.get('bypass', '0') == '1':
approved = True
approvedby = reg.attendee
else:
if conference.twitter_postpolicy in (0, 1):
raise PermissionDenied()
if conference.twitter_postpolicy == 4:
# Post without approval for volunteers
approved = True
approvedby = reg.attendee
# Check if we have *exactly the same tweet* in the queue already, in the past 5 minutes.
# in which case it's most likely a clicked-too-many-times.
if ConferenceTweetQueue.objects.filter(
conference=conference,
contents=request.POST['txt'],
author=reg.attendee,
datetime__gt=timezone.now() -
datetime.timedelta(minutes=5)):
return _json_response({'error': 'Duplicate post detected'})
# Now insert it in the queue, bypassing time validation since it's not an automatically
# generated tweet.
t = ConferenceTweetQueue(
conference=conference,
contents=request.POST['txt'][:280],
approved=approved,
approvedby=approvedby,
author=reg.attendee,
replytotweetid=request.POST.get('replyid', None),
)
if 'image' in request.FILES:
t.image = request.FILES['image'].read()
# Actually validate that it loads as PNG or JPG
try:
p = ImageFile.Parser()
p.feed(t.image)
p.close()
image = p.image
if image.format not in ('PNG', 'JPEG'):
return _json_response({
'error':
'Image must be PNG or JPEG, not {}'.format(
image.format)
})
except Exception as e:
return _json_response({'error': 'Failed to parse image'})
MAXIMAGESIZE = 1 * 1024 * 1024
if len(t.image) > MAXIMAGESIZE:
# Image is bigger than 4Mb, but it is a valid image, so try to rescale it
# We can't know exactly how to resize it to get it to the right size, but most
# likely if we cut the resolution by n% the filesize goes down by > n% (usually
# an order of magnitude), so we base it on that and just fail again if that didn't
# work.
rescalefactor = MAXIMAGESIZE / len(t.image)
newimg = image.resize((int(image.size[0] * rescalefactor),
int(image.size[1] * rescalefactor)),
Image.ANTIALIAS)
b = io.BytesIO()
newimg.save(b, image.format)
t.image = b.getvalue()
if len(t.image) > MAXIMAGESIZE:
return _json_response({
'error':
'Image file too big and automatic resize failed'
})
t.save()
if request.POST.get('replyid', None):
orig = ConferenceIncomingTweet.objects.select_related(
'provider').get(conference=conference,
statusid=get_int_or_error(
request.POST, 'replyid'))
orig.processedat = timezone.now()
orig.processedby = reg.attendee
orig.save()
# When when replying to a tweet, it goes to the original provider *only*
t.remainingtosend.set([orig.provider])
return _json_response({})
elif request.POST.get('op', None) in ('approve', 'discard'):
if not is_admin:
# Admins can always approve, but volunteers only if policy allows
if conference.twitter_postpolicy != 3:
raise PermissionDenied()
try:
t = ConferenceTweetQueue.objects.get(conference=conference,
approved=False,
pk=get_int_or_error(
request.POST, 'id'))
except ConferenceTweetQueue.DoesNotExist:
return _json_response({'error': 'Tweet already discarded'})
if t.approved:
return _json_response(
{'error': 'Tweet has already been approved'})
if request.POST.get('op') == 'approve':
if t.author == reg.attendee:
return _json_response(
{'error': "Can't approve your own tweets"})
t.approved = True
t.approvedby = reg.attendee
t.save()
trigger_immediate_job_run('twitter_post')
else:
t.delete()
return _json_response({})
elif request.POST.get('op', None) in ('dismissincoming', 'retweet'):
if not is_admin:
# Admins can always approve, but volunteers only if policy allows
if conference.twitter_postpolicy != 3:
raise PermissionDenied()
try:
t = ConferenceIncomingTweet.objects.get(
conference=conference,
statusid=get_int_or_error(request.POST, 'id'))
except ConferenceIncomingTweet.DoesNotExist:
return _json_response({'error': 'Tweet does not exist'})
if request.POST.get('op', None) == 'dismissincoming':
if t.processedat:
return _json_response(
{'error': 'Tweet is already dismissed or replied'})
t.processedby = reg.attendee
t.processedat = timezone.now()
t.save(update_fields=['processedby', 'processedat'])
else:
if t.retweetstate > 0:
return _json_response({'error': 'Tweet '})
t.retweetstate = 1
t.save(update_fields=['retweetstate'])
trigger_immediate_job_run('twitter_post')
return _json_response({})
else:
# Unknown op
raise Http404()
# GET request here
if request.GET.get('op', None) == 'queue':
# We show the queue to everybody, but non-moderators don't get to approve
# Return the approval queue
queue = ConferenceTweetQueue.objects.defer(
'image',
'imagethumb').filter(conference=conference, approved=False).extra(
select={
'hasimage': "image is not null and image != ''"
}).order_by('datetime')
# Return the latest ones approved
latest = ConferenceTweetQueue.objects.defer(
'image',
'imagethumb').filter(conference=conference, approved=True).extra(
select={
'hasimage': "image is not null and image != ''"
}).order_by('-datetime')[:5]
def _postdata(objs):
return [{
'id': t.id,
'txt': t.contents,
'author': t.author and t.author.username or '',
'time': t.datetime,
'hasimage': t.hasimage,
'delivered': t.sent,
} for t in objs]
return _json_response({
'queue': _postdata(queue),
'latest': _postdata(latest),
})
elif request.GET.get('op', None) == 'incoming':
incoming = ConferenceIncomingTweet.objects.select_related(
'provider').filter(conference=conference,
processedat__isnull=True).order_by('created')
latest = ConferenceIncomingTweet.objects.select_related(
'provider').filter(
conference=conference,
processedat__isnull=False).order_by('-processedat')[:5]
def _postdata(objs):
return [{
'id':
str(t.statusid),
'txt':
t.text,
'author':
t.author_screenname,
'authorfullname':
t.author_name,
'time':
t.created,
'rt':
t.retweetstate,
'provider':
t.provider.publicname,
'media': [m for m in t.media if m is not None],
'url':
providers.get(t.provider).get_public_url(t),
'replymaxlength':
providers.get(t.provider).max_post_length,
} for t in objs.annotate(
media=ArrayAgg('conferenceincomingtweetmedia__mediaurl'))]
return _json_response({
'incoming': _postdata(incoming),
'incominglatest': _postdata(latest),
})
elif request.GET.get('op', None) == 'hasqueue':
return _json_response({
'hasqueue':
ConferenceTweetQueue.objects.filter(
conference=conference,
approved=False).exclude(author=reg.attendee_id).exists(),
'hasincoming':
ConferenceIncomingTweet.objects.filter(
conference=conference, processedat__isnull=True).exists(),
})
elif request.GET.get('op', None) == 'thumb':
# Get a thumbnail -- or make one if it's not there
t = get_object_or_404(ConferenceTweetQueue,
conference=conference,
pk=get_int_or_error(request.GET, 'id'))
if not t.imagethumb:
# Need to generate a thumbnail here. Thumbnails are always made in PNG!
p = ImageFile.Parser()
p.feed(bytes(t.image))
p.close()
im = p.image
im.thumbnail((256, 256))
b = io.BytesIO()
im.save(b, "png")
t.imagethumb = b.getvalue()
t.save()
resp = HttpResponse(content_type='image/png')
resp.write(bytes(t.imagethumb))
return resp
# Maximum length from any of the configured providers
providermaxlength = {
m.provider.publicname: providers.get(m.provider).max_post_length
for m in ConferenceMessaging.objects.select_related('provider').filter(
conference=conference, broadcast=True, provider__active=True)
}
return render(
request, 'confreg/twitter.html', {
'conference':
conference,
'reg':
reg,
'poster':
canpost and 1 or 0,
'directposter':
canpostdirect and 1 or 0,
'moderator':
canmoderate and 1 or 0,
'providerlengths':
", ".join(
["{}: {}".format(k, v) for k, v in providermaxlength.items()]),
'maxlength':
max((v for k, v in providermaxlength.items())),
})
def LocalMapTileHandler(self, handler, is_imagery, layer_id):
"""Handle requests for map imagery or vector jpeg tiles."""
if not handler.IsValidRequest():
raise tornado.web.HTTPError(404)
x = int(handler.request.arguments["x"][0])
y = int(handler.request.arguments["y"][0])
z = int(handler.request.arguments["z"][0])
if tornado.web.globe_.IsMbtiles() and is_imagery:
handler.write(tornado.web.globe_.ReadMapImageryTile(x, y, z))
return
qtnode = self.ConvertToQtNode(x, y, z)
channel = int(handler.request.arguments["channel"][0])
try:
if is_imagery:
handler.write(
tornado.web.globe_.ReadMapImageryPacket(
qtnode, channel, layer_id))
return
else:
handler.write(
tornado.web.globe_.ReadMapVectorPacket(
qtnode, channel, layer_id))
return
except:
# Super-sample tiles where there is missing imagery data.
if (not is_imagery
or not tornado.web.globe_.IsBaseLayer(layer_id, channel)):
return
if (not pil_enabled
or not tornado.web.globe_.config_.FillMissingMapTiles()):
if tornado.web.globe_.IsBaseLayer(layer_id, channel):
handler.write(self.empty_tile_)
return
length = len(qtnode)
max_index = min(
length, tornado.web.globe_.config_.MaxMissingMapTileAncestor())
index = 1
size = 128
xoff = 0
yoff = 0
# Use shift since we are moving right to left off address.
shift = 1
while index < max_index:
try:
if size > 0:
last_node = qtnode[length - index]
if last_node == "0":
yoff += shift
elif last_node == "1":
yoff += shift
xoff += shift
elif last_node == "2":
xoff += shift
elif last_node == "3":
pass
else:
raise (Exception("Unexpected qtnode: %s" %
qtnode[:length - index]))
parser = ImageFile.Parser()
parser.feed(
tornado.web.globe_.ReadMapImageryPacket(
qtnode[:length - index], channel, layer_id))
image = parser.close()
# Skip 1 x 1 placeholders
if image.size[0] == 1:
if tornado.web.globe_.IsBaseLayer(layer_id, channel):
handler.write(self.empty_tile_)
return
xoffset = xoff * size
yoffset = yoff * size
image = image.crop((xoffset, yoffset, xoffset + size,
yoffset + size)).resize((256, 256))
output = StringIO.StringIO()
# If has palette, use PNG.
if image.mode == "P":
image.save(output, "PNG")
else:
image.save(output, "JPEG")
content = output.getvalue()
output.close()
handler.write(content)
return
except portable_globe.UnableToFindException, e:
index += 1
if size > 1:
size >>= 1 # divide by 2
shift <<= 1 # multiply by 2
else:
# If we get down to a single pixel,
# keep cutting the resolution of the
# offset in half to grab the "best"
# pixel.
xoff >>= 1 # divide by 2
yoff >>= 1 # divide by 2
# Unable to find a near enough ancestor; show "no data".
if tornado.web.globe_.IsBaseLayer(layer_id, channel):
handler.write(self.empty_tile_)
def photo_handler():
"""
Main function for photo handling.
:return:
"""
# Get directory names
source_dirname = app.config.get("SOURCE_FOLDER")
original_dirname = app.config["ORIGINAL_FOLDER"]
medium_dirname = app.config["MEDIUM_FOLDER"]
small_dirname = app.config["SMALL_FOLDER"]
# Connect to pcloud and get directory structure
pcloud = pcloud_handler.PcloudHandler()
public_cloud_id = pcloud.get_public_cloud_id()
# Get folders from Public Folder
subdirs, _ = pcloud.folder_contents(public_cloud_id)
# Directory names to folder IDs - remove trailing slashes from directory names
if source_dirname:
source_folderid = subdirs[source_dirname[:-1]]["folderid"]
else:
source_folderid = public_cloud_id
original_folderid = subdirs[original_dirname[:-1]]["folderid"]
medium_folderid = subdirs[medium_dirname[:-1]]["folderid"]
small_folderid = subdirs[small_dirname[:-1]]["folderid"]
# Collect files from source directory
_, files = pcloud.folder_contents(source_folderid)
# Only handle accepted file types
accepted_types = [".JPG", ".jpg"]
files = [files[file] for file in files if Path(file).suffix in accepted_types]
for filedata in files:
file = filedata["name"]
fileid = filedata["fileid"]
app.logger.debug("Working on file {}".format(file))
# Get file contents and convert to an image - also required to get exif for date and time of picture taken.
content = pcloud.get_content(filedata)
app.logger.debug("File {} length: {} (expected: {})".format(file, len(content), filedata["size"]))
parser = ImageFile.Parser()
parser.feed(content)
img = parser.close()
# Get exif information from picture
exif = get_labeled_exif(file, img)
app.logger.debug("EXIF: {}".format(exif))
# Calculate new filename including date/time picture taken
created_dt = get_created_datetime(filedata, exif)
fn = get_filename(file, created_dt)
create_node(fn, file, created_dt)
# Move file to Original directory
pcloud.movefile(fileid, original_folderid, fn)
# Create medium image
medium_img = to_medium(img)
if isinstance(exif, dict):
try:
medium_img = rotate_image(medium_img, exif["Orientation"])
except KeyError:
app.logger.info("{} ({}) no Orientation in exif data".format(file, fn))
medium_ffn = os.path.join(os.getenv('LOGDIR'), fn)
medium_img.save(medium_ffn)
res = pcloud.upload_file(fn, medium_ffn, medium_folderid)
app.logger.info("File {} medium format loaded, result: {}".format(fn, res["result"]))
os.remove(medium_ffn)
# Create small image
small_img = to_small(medium_img)
small_ffn = os.path.join(os.getenv('LOGDIR'), fn)
small_img.save(small_ffn)
res = pcloud.upload_file(fn, small_ffn, small_folderid)
app.logger.info("File {} small format loaded, result: {}".format(fn, res["result"]))
os.remove(small_ffn)
pcloud.close_connection()
nr_files = len(files)
app.logger.info("{} pictures have been processed.".format(nr_files))
return nr_files
def get_image_format(data):
p = PILImageFile.Parser()
p.feed(data)
return p.close().format
def make_thumb(item,
collection,
interrupt_fn=None,
force=False,
cache=None,
use_embedded=False,
write_to_cache=True):
'''
create a thumbnail from the original image using either PIL or dcraw
interrupt_fn = callback that returns False if routine should cancel (not implemented)
force = True if thumbnail should be recreated even if already present
affects thumb, thumburi members of item
'''
itemfile = collection.get_path(item)
thumb_pb = None
if cache == None and thumb_factory.has_valid_failed_thumbnail(
itemfile, int(item.mtime)):
if not force:
item.thumb = False
return False
print 'Forcing thumbnail creation'
uri = io.get_uri(itemfile)
thumb_uri = thumb_factory.lookup(uri, int(item.mtime))
if write_to_cache and thumb_uri:
os.remove(thumb_uri)
if not force and item.thumb == False:
return False
delete_thumb(item)
##todo: could also try extracting the thumb from the image (essential for raw files)
## would not need to make the thumb in that case
print 'Creating thumbnail for', item.uid, itemfile
t = time.time()
try:
uri = io.get_uri(itemfile)
mimetype = io.get_mime_type(itemfile)
thumb_pb = None
if mimetype.lower().startswith('video'):
cmd = settings.video_thumbnailer % (itemfile, )
imdata = os.popen(cmd).read()
image = Image.open(StringIO.StringIO(imdata))
image.thumbnail(
(128, 128),
Image.ANTIALIAS) ##TODO: this is INSANELY slow -- find out why
else:
try:
mime = io.get_mime_type(itemfile)
if use_embedded and load_embedded_thumb(item, collection):
thumb_pb = item.thumb
image = None
print 'Used embedded thumb'
elif not settings.is_windows and mime in gdk_mime_types: #todo: this is completely broken on windows
thumb_pb = gtk.gdk.pixbuf_new_from_file_at_size(
itemfile, 128, 128)
thumb_pb = orient_pixbuf(thumb_pb, item.meta)
image = None
print 'Opened with GDK'
else:
image = Image.open(itemfile)
image.thumbnail((128, 128), Image.ANTIALIAS)
print 'Opened with PIL'
except:
cmd = settings.dcraw_cmd % (itemfile, )
imdata = os.popen(cmd).read()
if not imdata or len(imdata) < 100:
cmd = settings.dcraw_backup_cmd % (itemfile, )
imdata = os.popen(cmd).read()
# pipe = subprocess.Popen(cmd, shell=True,
# stdout=PIPE) ##, close_fds=True
# print pipe
# pipe=pipe.stdout
# print 'pipe opened'
# imdata=pipe.read()
# print 'pipe read'
p = ImageFile.Parser()
p.feed(imdata)
image = p.close()
image.thumbnail((128, 128), Image.ANTIALIAS)
image = orient_image(image, item.meta)
print 'Opened with DCRAW'
if image is not None:
thumb_pb = image_to_pixbuf(image)
if thumb_pb is None:
raise TypeError
except:
item.thumb = False
item.thumburi = None
if write_to_cache and cache == None:
thumb_factory.create_failed_thumbnail(itemfile, int(item.mtime))
print 'Error creating thumbnail for', item
import sys
import traceback
tb_text = traceback.format_exc(sys.exc_info()[2])
print tb_text
return False
width = thumb_pb.get_width()
height = thumb_pb.get_height()
uri = io.get_uri(itemfile)
#save the new thumbnail
try:
if write_to_cache:
if cache == None:
thumb_factory.save_thumbnail(thumb_pb, uri, int(item.mtime))
item.thumburi = thumb_factory.lookup(uri, int(item.mtime))
else:
if not os.path.exists(cache):
os.makedirs(cache)
item.thumburi = os.path.join(
cache, muuid(item.uid + str(int(item.mtime)))) + '.png'
thumb_pb.save(item.thumburi, "png")
print 'cached at', item.thumburi
except:
print 'Error caching thumbnail for', item
import sys
import traceback
tb_text = traceback.format_exc(sys.exc_info()[2])
print tb_text
item.thumb = False
item.thumburi = None
if write_to_cache and cache == None:
thumb_factory.create_failed_thumbnail(itemfile, int(item.mtime))
return False
item.thumb = thumb_pb
cache_thumb_in_memory(item)
return True
def pil_from_CompressedImage(msg):
from PIL import ImageFile # @UnresolvedImport
parser = ImageFile.Parser()
parser.feed(msg.data)
res = parser.close()
return res
root = '/data_new/zxbsmk/moire/trainData'
# you need to clean the training set
input_path = os.path.join(root, 'source')
gt_path = os.path.join(root, 'target')
input_imgs = [
os.path.join(input_path, img) for img in os.listdir(input_path)
]
gt_imgs = [os.path.join(gt_path, img) for img in os.listdir(gt_path)]
input_imgs.sort()
gt_imgs.sort()
cot = 0
loop = tqdm(enumerate(input_imgs), total=len(input_imgs), leave=False)
for idx, img in loop:
with open(img, "rb") as f:
ImPar = ImageFile.Parser()
chunk = f.read(2048)
count = 2048
while chunk != "":
ImPar.feed(chunk)
if ImPar.image:
break
chunk = f.read(2048)
count += 2048
M, N = ImPar.image.size[0], ImPar.image.size[1]
if M < 260 or N < 260:
os.remove(input_imgs[idx])
os.remove(gt_imgs[idx])
cot += 1
def test_ico(self):
with open('Tests/images/python.ico', 'rb') as f:
data = f.read()
with ImageFile.Parser() as p:
p.feed(data)
self.assertEqual((48, 48), p.image.size)
def fetch_url(url, useragent, referer=None, retries=1, dimension=False):
cur_try = 0
nothing = None if dimension else (None, None)
url = clean_url(url)
if not url.startswith(('http://', 'https://')):
return nothing
response = None
while True:
try:
response = requests.get(url,
stream=True,
timeout=5,
headers={
'User-Agent': useragent,
'Referer': referer,
})
# if we only need the dimension of the image, we may not
# need to download the entire thing
if dimension:
content = response.raw.read(chunk_size)
else:
content = response.raw.read()
content_type = response.headers.get('Content-Type')
if not content_type:
return nothing
if 'image' in content_type:
p = ImageFile.Parser()
new_data = content
while not p.image and new_data:
try:
p.feed(new_data)
except IOError:
traceback.print_exc()
p = None
break
except ValueError:
traceback.print_exc()
p = None
break
except Exception as e:
# For some favicon.ico images, the image is so small
# that our PIL feed() method fails a length test.
is_favicon = (urls.url_to_filetype(url) == 'ico')
if is_favicon:
pass
else:
raise e
p = None
break
new_data = response.raw.read(chunk_size)
content += new_data
if p is None:
return nothing
# return the size, or return the data
if dimension and p.image:
return p.image.size
elif dimension:
return nothing
elif dimension:
# expected an image, but didn't get one
return nothing
return content_type, content
except requests.exceptions.RequestException as e:
cur_try += 1
if cur_try >= retries:
log.debug('error while fetching: %s refer: %s' %
(url, referer))
return nothing
finally:
if response is not None:
response.raw.close()
if response.raw._connection:
response.raw._connection.close()
def test_ico(self):
with open("Tests/images/python.ico", "rb") as f:
data = f.read()
with ImageFile.Parser() as p:
p.feed(data)
assert (48, 48) == p.image.size
from PIL import ImageFile
fp = open("Test1.pdf", "rb")
p = ImageFile.Parser()
while 1:
s = fp.read(1024)
if not s:
break
else:
p.feed(s)
im = p.close()
im.save("00985413-1_img.jpg")
def load_image(item,
collection,
interrupt_fn,
draft_mode=False,
apply_transforms=True,
itemfile=None):
'''
load a PIL image and store it in item.image
if transform_handlers are specified and the image has tranforms they will be applied
'''
if itemfile is None:
itemfile = collection.get_path(item)
mimetype = io.get_mime_type(itemfile)
oriented = False
try:
##todo: load by mimetype (after porting to gio)
# non-parsed version
if 'original_image' in item.__dict__:
image = item.original_image.copy()
oriented = True
else:
if not mimetype.startswith('image'):
print 'No image available for item', item, 'with mimetype', mimetype
item.image = False
return False
print 'Loading Image:', item, mimetype
if io.get_mime_type(
itemfile
) in settings.raw_image_types: ##for extraction with dcraw
raise TypeError
image = Image.open(
itemfile
) ## retain this call even in the parsed version to avoid lengthy delays on raw images (since this call trips the exception)
# parsed version
if not draft_mode and image.format == 'JPEG':
#parser doesn't seem to work correctly on anything but JPEGs
f = open(itemfile, 'rb')
imdata = f.read(10000)
p = ImageFile.Parser()
while imdata and len(imdata) > 0:
p.feed(imdata)
if not interrupt_fn():
return False
imdata = f.read(10000)
f.close()
image = p.close()
print 'Parsed image with PIL'
else:
raise TypeError
except:
try:
if mimetype in gdk_mime_types:
image_pb = gtk.gdk.pixbuf_new_from_file(itemfile)
image_pb = orient_pixbuf(image_pb, item.meta)
print image_pb.get_has_alpha()
print image_pb.get_n_channels()
print image_pb.get_colorspace()
oriented = True
width, height = image_pb.get_width(), image_pb.get_height()
if image_pb.get_n_channels() >= 3:
if image_pb.get_has_alpha():
image = Image.fromstring("RGBA", (width, height),
image_pb.get_pixels())
else:
image = Image.fromstring("RGB", (width, height),
image_pb.get_pixels())
else:
print "GDK Parser - Can't handle image with less than 3 channel"
raise TypeError
print 'Parsed image with GDK'
else:
if mimetype in settings.raw_image_types:
cmd = settings.raw_image_types[mimetype][0] % (itemfile, )
else:
cmd = settings.dcraw_cmd % (itemfile, )
imdata = os.popen(cmd).read()
if not imdata or len(imdata) < 100:
cmd = settings.dcraw_backup_cmd % (itemfile, )
oriented = True
imdata = os.popen(cmd).read()
if not interrupt_fn():
return False
p = ImageFile.Parser()
p.feed(imdata)
image = p.close()
print 'Parsed image with DCRAW'
except:
import sys
import traceback
tb_text = traceback.format_exc(sys.exc_info()[2])
print 'Error Loading Image', item, mimetype
print tb_text
item.image = False
return False
print item.meta
if draft_mode:
image.draft(image.mode,
(1024, 1024)) ##todo: pull size from screen resolution
if not interrupt_fn():
return
if oriented:
item.image = orient_image(image, {})
else:
item.image = orient_image(image, item.meta)
try:
item.imagergba = 'A' in item.image.getbands()
except:
item.imagergba = False
if item.image:
if apply_transforms:
transformer.apply_transforms(item, interrupt_fn)
cache_image(item)
return True
return False