def reorient_image(self, image):
"""
Re-orient image to required orientation to create collages
"""
try:
if hasattr(image, '_getexif'): # only present in JPEGs
for orientation in TAGS.keys():
if TAGS[orientation] == 'Orientation':
break
e = image._getexif() # returns None if no EXIF data
if e is not None:
exif = dict(e.items())
orientation = exif[orientation]
# Make changes in the image according to the orientation
if orientation == 2:
image = image.transpose(Image.FLIP_LEFT_RIGHT)
elif orientation == 3:
image = image.transpose(Image.ROTATE_180)
elif orientation == 4:
image = image.transpose(Image.FLIP_TOP_BOTTOM)
elif orientation == 5:
image = image.transpose(Image.ROTATE_90).transpose(
Image.FLIP_TOP_BOTTOM)
elif orientation == 6:
image = image.transpose(Image.ROTATE_270)
elif orientation == 7:
image = image.transpose(Image.ROTATE_270).transpose(
Image.FLIP_TOP_BOTTOM)
elif orientation == 8:
image = image.transpose(Image.ROTATE_90)
except Exception:
print('Input image does not have metadata. Moving on..')
pass
return image
def rm_exifInfo(download_dir, out_dir):
"""移除exif信息"""
img_list = os.listdir(download_dir)
for f in img_list:
image_file = os.path.join(download_dir, f)
print("image file:{} ,\nexif info:{}".format(
f, get_exif_data(image_file)))
image = Image.open(image_file)
# next 3 lines strip exif
try:
for orientation in TAGS.keys():
if TAGS[orientation] == 'Orientation': break
print("exif :{}".format(image._getexif()))
if image._getexif() is not None:
exif = dict(image._getexif().items())
if exif.has_key(orientation):
print("{} is {}".format(orientation, exif[orientation]))
if exif[orientation] == 3:
image = image.rotate(180, expand=True)
elif exif[orientation] == 6:
image = image.rotate(270, expand=True)
elif exif[orientation] == 8:
image = image.rotate(90, expand=True)
except AttributeError:
image = image
data = list(image.getdata())
image_without_exif = Image.new(image.mode, image.size)
image_without_exif.putdata(data)
image_without_exif.save(os.path.join(out_dir, f))
def rotateImage(imgPath):
im = Image.open(imgPath)
srev = imgPath[::-1]
ext = imgPath[len(srev) - srev.index("."):]
if ext == "jpg" or ext == "jpeg":
toRotate = True
exifdict = im._getexif()
if exifdict:
for k in exifdict.keys():
if k in TAGS.keys():
if TAGS[k] == "Orientation":
orientation = exifdict[k]
if orientation == 3:
im = im.rotate(180, expand=True)
elif orientation == 6:
im = im.rotate(270, expand=True)
elif orientation == 8:
im = im.rotate(90, expand=True)
else:
toRotate = False
if toRotate:
im.save(imgPath)
def handle_file(data, file_obj, uid=False):
path = UPLOAD['media_root'] + file_obj.url(uid)
make_dir(path)
f = open(path, 'wb+')
try:
for chunk in data.chunks():
f.write(chunk)
except AttributeError: # no chunks
f.write(data)
f.close()
os.chmod(path, 0o777)
try:
im = Image.open(path)
except IOError:
os.remove(path)
return False
def fff(size): return Image.new('RGB', size, UPLOAD['fill_transparent'])
# add white background to semi-transparent images
if UPLOAD['fill_transparent'] and im.mode in ('RGBA', 'P'):
bg = fff(im.size)
im = Image.composite(im.convert('RGB'), bg, im.convert('RGBA'))
# process soft rotation
if im.mode == 'RGB':
orientation = 1
try: exif = im._getexif() or {}
except AttributeError: exif = {}
for k in exif.keys():
if k in TAGS.keys() and TAGS[k] == 'Orientation':
orientation = int(exif[k])
for transposition in TRANSPOSITION_CODES[orientation]:
im = im.transpose(transposition)
# convert all to RGB for JPEG
if im.mode != 'RGB':
im.convert('RGB')
# larger canvas for images too small
x, y = im.size
MIN = 180
if x < MIN or y < MIN:
w, h = x, y
if w < MIN: w = MIN
if h < MIN: h = MIN
x1 = w//2 - x//2
y1 = h//2 - y//2
im2 = fff((w, h))
im2.paste(im, (x1,y1,x1+x,y1+y))
im = im2
# downsize large images
down_to_x, down_to_y = UPLOAD['downsize_to']
if x > down_to_x or y > down_to_y:
im.thumbnail(UPLOAD['downsize_to'], Image.ANTIALIAS)
# crop off white edges
if x > MIN and y > MIN:
invert_im = ImageOps.invert(im)
im = im.crop(invert_im.getbbox())
im.save(path, 'JPEG')
return True
def read_one_exif_tag(pil_image, tag):
try:
exif_key = TAGS.keys()[TAGS.values().index(tag)]
except ValueError:
return 'Invalid EXIF Tag'
info_ = pil_image._getexif()
if info_ is None:
return None
else:
invalid_str = 'Invalid EXIF Key: exif_key=%r, tag=%r' % (exif_key, tag)
exif_val = info_.get(exif_key, invalid_str)
return exif_val
def read_one_exif_tag(pil_image, tag):
try:
exif_key = TAGS.keys()[TAGS.values().index(tag)]
except ValueError:
return 'Invalid EXIF Tag'
info_ = pil_image._getexif()
if info_ is None:
return None
else:
invalid_str = 'Invalid EXIF Key: exif_key=%r, tag=%r' % (exif_key, tag)
exif_val = info_.get(exif_key, invalid_str)
return exif_val
def image_info(img):
"""Show information retrieved from image data."""
# pylint: disable=protected-access
if USE_WAND:
inkex.debug('Size:\t\t\t{} x {}'.format(int(img.size[0]),
int(img.size[1])))
inkex.debug('Format:\t\t{}'.format(img.format))
inkex.debug('Mimetype:\t\t{}'.format(img.mimetype))
inkex.debug('Alpha channel:\t{}'.format(img.alpha_channel))
inkex.debug('Background:\t{}'.format(img.background_color))
inkex.debug('Matte color:\t{}'.format(img.matte_color))
inkex.debug('VirtualPixel:\t{}'.format(img.virtual_pixel))
inkex.debug('Colorspace:\t{}'.format(img.colorspace))
inkex.debug('Depth:\t\t{}'.format(img.depth))
inkex.debug('Orientation:\t{}'.format(img.orientation))
inkex.debug('Resolution:\t{}'.format(img.resolution))
inkex.debug('Type:\t\t{}'.format(img.type))
inkex.debug('Units:\t\t{}'.format(img.units))
if hasattr(img, 'metadata'):
inkex.debug('\nMetadata:')
for key, value in img.metadata.items():
inkex.debug('\t{}: {}'.format(key, value))
elif USE_PIL:
inkex.debug('Size:\t\t\t{} x {}'.format(int(img.size[0]),
int(img.size[1])))
inkex.debug('Format:\t\t{}'.format(img.format))
inkex.debug('Mode:\t\t{}'.format(img.mode))
if hasattr(img, 'info'):
inkex.debug('\nInfo:')
for key, value in img.info.items():
if key != "exif":
# TODO: strings need attention (e.g. icc_profile)
if isinstance(value, str):
tagval = tuple(ord(c) for c in value)
else:
tagval = value
inkex.debug('\t{}: {}'.format(key, tagval))
if hasattr(img, '_getexif'):
inkex.debug('\nExif:')
exif = img._getexif()
if exif is not None:
for (key, value) in six.iteritems(exif):
if PIL_EXIF_TAGS and key in PIL_EXIF_TAGS.keys():
# TODO: more value formatting for PIL?
if isinstance(value, str):
tagval = tuple(ord(c) for c in value)
else:
tagval = value
inkex.debug('\t{}: {}'.format(PIL_EXIF_TAGS.get(key),
tagval))
else:
raise RuntimeError(NO_MODULE)
def process(self, image):
orientation = None
for orientation in TAGS.keys():
if TAGS[orientation] == 'Orientation':
break
exif = dict(image.getexif().items())
if orientation in exif:
if exif[orientation] == 3:
image = image.rotate(180, expand=True)
elif exif[orientation] == 6:
image = image.rotate(270, expand=True)
elif exif[orientation] == 8:
image = image.rotate(90, expand=True)
return image
def rotate(self):
"""Attempt to rotate image based on EXIF orientation tags.
Raises:
Exif.Invalid: if data does not contain orientation tags.
"""
self.image.seek(0)
orientation = None
for key in TAGS.keys():
if TAGS[key] == "Orientation":
orientation = key
break
if orientation is None or orientation not in self.ROTATIONS:
raise self.Invalid("Cannot find valid orientation key")
self.image.rotate(self.ROTATIONS[orientation], expand=True)
def orientation_rotation(im):
#take pil Image insctance and if need rotate it
orientation = None
try:
exifdict = im._getexif()
except AttributeError:
exifdict = {}
if exifdict:
for k in exifdict.keys():
if k in TAGS.keys():
if TAGS[k] == 'Orientation':
orientation = exifdict[k]
if orientation in (3, 6, 8):
if orientation == 6:
im = im.rotate(-90)
elif orientation == 8:
im = im.rotate(90)
elif orientation == 3:
im = im.rotate(180)
return im
def cleanup_image(filename):
"""
Create a smaller version of the image and rotate it if need be
"""
thumbfile = "thumb-%s" % filename
im = Image.open(os.path.join(UPLOAD_FOLDER, filename))
exifdict = im._getexif()
orientation = None
if len(exifdict):
for k in exifdict.keys():
if k in TAGS.keys() and TAGS[k] == 'Orientation':
orientation = exifdict[k]
if orientation == 3:
im=im.rotate(180, expand=True)
elif orientation == 6:
im=im.rotate(270, expand=True)
elif orientation == 8:
im=im.rotate(90, expand=True)
im.thumbnail(size, Image.ANTIALIAS)
im.save(os.path.join(UPLOAD_FOLDER, thumbfile), "JPEG")
return thumbfile
def export(event_name, targetdirectory = "gallery", jquery='jquery-2.0.3.min.js',
show_time=False, author="Anonymous", verbose=False, db='~/.shotwell/data/photo.db'):
db = sqlite3.connect(os.path.expanduser(db))
gallery = []
q = """\
SELECT strftime("%Y/%m/%d", datetime(PhotoTable.exposure_time, "unixepoch")),
EventTable.name, PhotoTable.filename, PhotoTable.title,
PhotoTable.rating, strftime("%Hh%M", datetime(PhotoTable.time_created, "unixepoch"))
FROM PhotoTable
LEFT JOIN EventTable
ON PhotoTable.event_id = EventTable.id
WHERE EventTable.name=?"""
cur = db.cursor()
result = cur.execute(q, (event_name,)).fetchall()
nbr, i = len(result), 0
yield nbr
for pic in result:
i = i+1
if pic[4] == 0:
yield "[%5.1f%%] Skip image (%d/5) %s/%s: %s\n" % (i/float(nbr)*100, pic[4], pic[0], pic[1], pic[2])
continue
basename = '.'.join(os.path.basename(pic[2]).split('.')[:-1])
extension = os.path.basename(pic[2]).split('.')[-1]
# create target directory
d = os.path.join(targetdirectory, str(pic[0])) + '/'
if not os.path.exists(d):
os.makedirs(d)
# create picture metadata
descr = ""
if show_time:
descr = pic[5]
if pic[3]:
descr = descr + ", " if descr != "" else "" + str(pic[3]), # add tags
else:
descr = descr
picture = dict(
image = os.path.join('/', d, basename + '.' + extension),
thumb = os.path.join('/', d, basename + '-sml.' + extension),
big = os.path.join('/', d, basename + '-big.' + extension),
title = pic[1],
description = descr,
link = os.path.join('/', d, basename + '.' + extension)
)
yield "[%5.1f%%] Create image (%d/5) %s/%s: %s" % (i/float(nbr)*100, pic[4], pic[0], pic[1], basename+'.'+extension)
# copy image file
if os.path.exists(str(pic[2])) and not os.path.exists(os.path.join(d, os.path.basename(pic[2]))):
shutil.copyfile(pic[2], os.path.join(d, os.path.basename(pic[2])))
# create thumbnail
try :
image = Image.open(os.path.join(d, os.path.basename(pic[2])))
for orientation in TAGS.keys() :
if TAGS[orientation]=='Orientation' : break
exif=dict(image._getexif().items())
if exif[orientation] == 3 :
image=image.rotate(180, expand=True)
image.save(os.path.join(d, os.path.basename(pic[2])))
elif exif[orientation] == 6 :
image=image.rotate(270, expand=True)
image.save(os.path.join(d, os.path.basename(pic[2])))
elif exif[orientation] == 8 :
image=image.rotate(90, expand=True)
image.save(os.path.join(d, os.path.basename(pic[2])))
yield " ; thumbnail "
for r in (0.1, 'sml'), (0.2, 'mdm'), (0.75, 'big'):
im2 = image.copy()
im2.thumbnail((int(image.size[0] * r[0]) , int(image.size[1] * r[0])), Image.ANTIALIAS)
im2.save(os.path.join(d, basename + '-{}'.format(r[1]) +
'.' + extension))
yield r[1] + " "
except:
traceback.print_exc()
else:
yield " ; does already exist, not overwritten"
# append to gallery
gallery.append(picture)
yield " ; added to gallery.\n"
# enable javascript stuff
yield "Copying the resources.\n"
if not os.path.exists(os.path.join(targetdirectory, 'rsrc')):
os.makedirs(os.path.join(targetdirectory, 'rsrc'))
pkg_dir = os.path.abspath(os.path.join(os.path.split(__file__)[0], '..'))
shutil.copyfile(os.path.join(pkg_dir, 'contrib', jquery),
os.path.join(targetdirectory, 'rsrc', jquery))
shutil.copyfile(os.path.join(pkg_dir, 'contrib/galleria/src/galleria.js',),
os.path.join(targetdirectory, 'rsrc', 'galleria.js'))
shutil.copyfile(os.path.join(pkg_dir, 'contrib/galleria/src/themes/classic/galleria.classic.js',),
os.path.join(targetdirectory, 'rsrc', 'galleria.classic.js'))
shutil.copyfile(os.path.join(pkg_dir, 'contrib/galleria/src/themes/classic/galleria.classic.css',),
os.path.join(targetdirectory, 'rsrc', 'galleria.classic.css'))
shutil.copyfile(os.path.join(pkg_dir, 'contrib/galleria/src/themes/classic/classic-loader.gif',),
os.path.join(targetdirectory, 'rsrc', 'classic-loader.gif'))
shutil.copyfile(os.path.join(pkg_dir, 'contrib/galleria/src/themes/classic/classic-map.png',),
os.path.join(targetdirectory, 'rsrc', 'classic-map.png'))
yield "Creating index file...\n"
# create index
with open(os.path.join(targetdirectory, 'index.html'), 'w') as idx:
idx.write(WEBPAGE_TPL.format(title=event_name,
data=json.dumps(gallery),
cred=author))
def handle_file(data, file_obj):
path = file_obj.path()
make_dir(path)
f = open(path, 'wb+')
try:
for chunk in data.chunks():
f.write(chunk)
except AttributeError: # no chunks
f.write(data)
f.close()
os.chmod(path, 0o777)
try:
im = Image.open(path)
except IOError:
os.remove(path)
return False
def fff(size):
return Image.new('RGB', size, app_settings.UPLOAD_FILL_ALPHA)
# add white background to semi-transparent images
if app_settings.UPLOAD_FILL_ALPHA and im.mode in ('RGBA', 'P'):
bg = fff(im.size)
im = Image.composite(im.convert('RGB'), bg, im.convert('RGBA'))
# process soft rotation
if im.mode == 'RGB':
orientation = 1
try:
exif = im._getexif() or {}
except AttributeError:
exif = {}
for k in exif.keys():
if k in TAGS.keys() and TAGS[k] == 'Orientation':
orientation = int(exif[k])
for transposition in TRANSPOSITION_CODES[orientation]:
im = im.transpose(transposition)
# convert all to RGB for JPEG
if im.mode != 'RGB':
im.convert('RGB')
# larger canvas for images too small
x, y = im.size
MIN = 180
if x < MIN or y < MIN:
w, h = x, y
if w < MIN: w = MIN
if h < MIN: h = MIN
x1 = w//2 - x//2
y1 = h//2 - y//2
im2 = fff((w, h))
im2.paste(im, (x1, y1, x1+x, y1+y))
im = im2
# downsize large images
down_to_x, down_to_y = app_settings.UPLOAD_DOWNSIZE_TO
if x > down_to_x or y > down_to_y:
im.thumbnail(app_settings.UPLOAD_DOWNSIZE_TO, Image.ANTIALIAS)
# autocrop
if x > MIN and y > MIN:
im = autocrop(im)
im.save(path, 'JPEG')
save_sizes(file_obj)
return im
def copyFileToStorage(data={}, istorage=''):
thumb_sizes = {'thumb': (250, 250), 'normal': (1280, 1280)}
new_size = 0
try:
#if data['ext'] == 'JPG':
pyear = os.path.join(istorage, data['image'].split('/')[0])
pmonth = os.path.join(pyear, data['image'].split('/')[1])
pfile = os.path.join(istorage, data['image'])
if not os.path.exists(pyear):
os.makedirs(pyear)
if not os.path.exists(pmonth):
os.makedirs(pmonth)
data['orig_path'] = data['orig_path'] #unicode(data['orig_path'])
#shutil.copy2(data['orig_path'], pfile)
print(data['orig_path'], pfile)
copyFile(data['orig_path'], pfile)
isimg = 0
try:
z = Image.open(pfile)
isimg = 1
except:
pass
if '.THM' in pfile:
isimg = 0
if isimg:
z = Image.open(pfile)
for orientation in TAGS.keys():
if TAGS[orientation] == 'Orientation': break
if '_getexif' in dir(z):
fex = z._getexif()
else:
fex = None
if fex:
exif = dict(z._getexif().items())
if exif.get(orientation, '*') != '*':
if exif[orientation] == 3:
z = z.rotate(180, expand=True)
elif exif[orientation] == 6:
z = z.rotate(270, expand=True)
new_size = 1
elif exif[orientation] == 8:
z = z.rotate(90, expand=True)
new_size = 1
z.save(pfile, quality=100)
#print new_size
#TODO: здесь какой-то косяк происходит, не копируются exif данные
#/mnt/drive_d/PHOTO_IMPORT/Анина свадьба 13.07.13/IMG_1785.JPG /mnt/drive_d/PHOTO_STORAGE/2013/07/20130712104615862913.JPG
#try:
# oldmeta = pyexiv2.ImageMetadata(data['orig_path'])
# oldmeta.read()
#
# newmeta = pyexiv2.ImageMetadata(pfile)
# newmeta.read()
# oldmeta.copy(newmeta)
# new_size = z.size
# newmeta['Exif.Image.Orientation'] = 1
# newmeta["Exif.Photo.PixelXDimension"] = z.size[0]
# newmeta["Exif.Photo.PixelYDimension"] = z.size[1]
# newmeta.write()
#except:
# print 'ZZZ: meta bag'
for thms in thumb_sizes.keys():
th_p = os.path.join(istorage, thms)
th_pyear = os.path.join(th_p, data['image'].split('/')[0])
th_pmonth = os.path.join(th_pyear, data['image'].split('/')[1])
th_pfile = os.path.join(istorage, thms, data['image'])
if not os.path.exists(th_p):
os.makedirs(th_p)
if not os.path.exists(th_pyear):
os.makedirs(th_pyear)
if not os.path.exists(th_pmonth):
os.makedirs(th_pmonth)
try:
if not data['is_img']:
z = Image.open(pfile)
if thms == 'thumb':
width, height = z.size
if width > height:
delta = width - height
left = int(delta / 2)
upper = 0
right = height + left
lower = height
else:
delta = height - width
left = 0
upper = int(delta / 2)
right = width
lower = width + upper
z = z.crop((left, upper, right, lower))
z.thumbnail(thumb_sizes[thms], Image.ANTIALIAS)
z.save(th_pfile, quality=75)
except:
pass
else:
pass
#else:
except:
return (0, new_size)
return (1, new_size)
import os, logging
from PIL import Image as pImage, ImageOps
from PIL.ExifTags import TAGS
# Compute 'reverse' exif TAGS
RTAGS = {}
for k in TAGS.keys():
RTAGS[TAGS[k]] = k
from django.dispatch import receiver
from django.db.models.signals import post_delete, post_save
from gallery.models import Image
Logger = logging.getLogger(__name__)
# Delete image files from disk when image objects are deleted
@receiver(post_delete, sender=Image)
def on_delete(sender, **kwargs):
img = kwargs['instance']
# First delete cache files. The cache directory holding the photo variants is:
cache_dir = os.path.commonpath((img.preview.path, img.thumbnail.path))
for d in (img.preview, img.thumbnail):
if d.storage.exists(d.path):
d.storage.delete(d.path) # Delete each variant
if os.path.exists(cache_dir):
try:
os.rmdir(cache_dir)
except OSError:
# Cache dirs can end up shared if two photos/images have the same basename
# but different suffix (e.g.: 'jpeg' and 'jpg' or 'png', etc
Logger.info(
from PIL import Image
from PIL.ExifTags import TAGS
img = Image.open('IMG_7408.JPG')
exifdict = img._getexif()
if len(exifdict):
for k in exifdict.keys():
if k in TAGS.keys():
print (TAGS[k], exifdict[k])
else:
print (k, exifdict[k])
