def get_images_from_md(md_text):
'''get a list of images and their thumbnails from markdown text'''
text_md_subst, img_blocks = preprocess_md(md_text)
thumbs_abspath = os.path.join( current_app.config['RUN_ABSPATH'],
'media/thumbs' )
images = []
for img_block in img_blocks:
image_src = img_block[1]
image_thumb = os.path.join('/media/thumbs', os.path.basename(image_src))
# handle "external" images
if image_src.startswith('http://'):
image_thumb = image_src
image_src = 'External URL: ' + image_src
image = { 'src': image_src,
'thumb': image_thumb }
images.append(image)
# generate thumbnail
image_abspath = os.path.join( current_app.config['RUN_ABSPATH'],
os.path.relpath(image_src, '/') )
# (debug output)
#sys.stderr.write('\nRUN_ABSPATH:'+str(current_app.config['RUN_ABSPATH']))
#sys.stderr.write('\nIMG SRC:'+image_src)
make_thumb_samename(image_abspath, thumbs_abspath)
return images
def process_image(image_file, image_dir, ref):
'''process image data
- exif information
- insert image in db
- create thumbnail
'''
image_file_abspath = os.path.join(image_dir, image_file)
# extract exif into json
if os.path.splitext(image_file)[1] in current_app.config['JPEG_EXTS']:
img_exif = ExifNice(image_file_abspath)
if img_exif.has_exif:
exif_json = img_exif.get_json()
datetime_norm = datetimesec_norm( img_exif.datetime,
"%Y:%m:%d %H:%M:%S" )
# --> set defaults in ExifNice !!
else:
exif_json = ""
datetime_norm = ""
else:
exif_json = ""
datetime_norm = ""
# add thumb ref
thumb_ref = os.path.join('thumbs', image_file)
# insert in db
db_insert_image( ref,
thumb_ref,
datetime_norm,
exif_json,
gallery_id )
# create thumbnail if not exists
# (existence is checked in function --> maybe better check here ? ==> No, WTF?)
make_thumb_samename(image_file_abspath, thumbs_abspath)