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common.py
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# Common procedures for all scripts
#
# Author: Haraldo Albergaria
# Date : Apr 14, 2020
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
import flickrapi
import api_credentials
import time
#===== CONSTANTS =================================#
api_key = api_credentials.api_key
api_secret = api_credentials.api_secret
# Flickr api access
flickr = flickrapi.FlickrAPI(api_key, api_secret, format='parsed-json')
# getExif retries
max_retries = 10
retry_wait = 1
#===== PROCEDURES =======================================================#
def getExif(photo_id, retry, print_retry=True):
try:
exif = flickr.photos.getExif(api_key=api_key, photo_id=photo_id)['photo']['exif']
if len(exif) == 0:
while len(exif) == 0 and retry < max_retries:
time.sleep(retry_wait)
retry += 1
if print_retry:
print("ERROR when getting Exif for photo id: {}".format(photo_id))
print("Retrying: {0}".format(retry))
try:
exif = flickr.photos.getExif(api_key=api_key, photo_id=photo_id)['photo']['exif']
except:
exif = ''
return exif
except:
if retry < max_retries:
time.sleep(retry_wait)
retry += 1
if print_retry:
print("ERROR when getting Exif for photo id: {}".format(photo_id))
print("Retrying: {0}".format(retry))
getExif(photo_id, retry)
else:
print('Unable to get Exif for photo id: {}'.format(photo_id))
return ''
def getCameraMaker(exif):
if exif != '':
for i in range(len(exif)):
if exif[i]['tag'] == "Make":
return exif[i]['raw']['_content']
return ''
def getCameraModel(exif):
if exif != '':
for i in range(len(exif)):
if exif[i]['tag'] == "Model":
return exif[i]['raw']['_content']
return ''
def getCameraType(exif):
if exif != '':
for i in range(len(exif)):
if exif[i]['tag'] == "CameraType":
return exif[i]['raw']['_content']
return ''
def getLensModel(exif):
maker = ''
if exif != '':
maker = getCameraMaker(exif)
for i in range(len(exif)):
if exif[i]['tag'] == "LensModel" or exif[i]['tag'] == "Lens":
if exif[i]['raw']['_content'] != '':
return exif[i]['raw']['_content']
return maker
def getFocalLength(exif):
if exif != '':
for i in range(len(exif)):
if exif[i]['tag'] == "FocalLength":
return exif[i]['raw']['_content']
return ''
def getAperture(exif):
if exif != '':
for i in range(len(exif)):
if exif[i]['tag'] == "FNumber":
return exif[i]['raw']['_content']
return ''
def getISO(exif):
if exif != '':
for i in range(len(exif)):
if exif[i]['tag'] == "ISO":
return exif[i]['raw']['_content']
return ''
def hasTag(photo_id, tag):
try:
photo_tags = flickr.tags.getListPhoto(photo_id=photo_id)
tags = photo_tags['photo']['tags']['tag']
for i in range(len(tags)):
tag_id = tags[i]['id']
tag_raw = tags[i]['raw']
if tag_raw == tag :
return True
except:
pass
return False
def hasTagRemove(photo_id, tag):
try:
photo_tags = flickr.tags.getListPhoto(photo_id=photo_id)
tags = photo_tags['photo']['tags']['tag']
for i in range(len(tags)):
tag_id = tags[i]['id']
tag_raw = tags[i]['raw']
if tag_raw == tag :
flickr.photos.removeTag(api_key=api_key, tag_id=tag_id)
return True
except:
pass
return False
def isInGroup(photo_id, group_id):
try:
photo_groups = flickr.photos.getAllContexts(photo_id=photo_id)['pool']
for i in range(len(photo_groups)):
if photo_groups[i]['id'] == group_id:
return True
except:
pass
return False
def isInSet(photo_id, set_id):
try:
photo_sets = flickr.photos.getAllContexts(photo_id=photo_id)['set']
for i in range(len(photo_sets)):
if photo_sets[i]['id'] == set_id:
return True
except:
pass
return False