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Add updating exif info

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Antonio J. Delgado 2021-09-06 17:04:19 +03:00
parent 77d4b2e9c4
commit 6deb7c28b9
1 changed files with 19 additions and 5 deletions
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24
image_classifier/image_classifier.py
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@ -70,13 +70,15 @@ class image_classifier:
self._log.debug(f"Found {len(people)} known people in the image.") self._log.debug(f"Found {len(people)} known people in the image.")
self._log.debug(json.dumps(people, indent=2)) self._log.debug(json.dumps(people, indent=2))
with open(file, 'rb') as image_file: with open(file, 'rb') as image_file:
exif_info = exif.Image(image_file) self.exif_info = exif.Image(image_file)
if exif_info.has_exif: if self.exif_info.has_exif:
for key in exif_info.list_all(): for key in self.exif_info.list_all():
if key != 'cannot read a base/unknown IFD tag instance': if key != 'cannot read a base/unknown IFD tag instance':
sys.stdout.write(f"{key}: ") sys.stdout.write(f"{key}: ")
sys.stdout.write(exif_info[key]) sys.stdout.write(self.exif_info[key])
#exif_info["user_comment"] self.append_people_to_exif(people)
with open(file, 'wb') as new_image_file:
new_image_file.write(self.exif_info.get_file())
else: else:
self._log.debug("No exif info in the image.") self._log.debug("No exif info in the image.")
# get date # get date
@ -84,6 +86,18 @@ class image_classifier:
else: else:
self._log.debug("Doesn't seem to be an image.") self._log.debug("Doesn't seem to be an image.")
def append_people_to_exif(self, people):
if self.is_json(self.exif_info['user_comment']):
data = json.loads(self.exif_info['user_comment'])
if 'PeopleDetected' not in data:
data['PeopleDetected'] = list()
else:
data = {"previous_user_comment": self.exif_info['user_comment']}
data['PeopleDetected'] = list()
for person in people:
data['PeopleDetected'].append(person)
self.exif_info["user_comment"] = json.dumps(data)
def is_json(self, data): def is_json(self, data):
result = json.loads(data) result = json.loads(data)
return True return True