mirror of
https://github.com/TrentSPalmer/flask_photo_scaling_app.git
synced 2025-07-05 03:33:15 -07:00
refactor with blueprints
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26
app/photo_routes/scripts/crop_photo.py
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26
app/photo_routes/scripts/crop_photo.py
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#!/usr/bin/env python3
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from PIL import Image
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import os
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def crop_photo(photo, photo_save_path):
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photo_1280 = '1280_' + photo
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photo_480 = '480_' + photo
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processing_tuple = ((1280, photo_1280), (480, photo_480))
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os.chdir(photo_save_path)
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img = Image.open('raw_' + photo)
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if img.size[0] > img.size[1]:
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for x in processing_tuple:
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basewidth = x[0]
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wpercent = (basewidth / float(img.size[0]))
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hsize = int(float(img.size[1] * float(wpercent)))
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img = img.resize((basewidth, hsize), Image.ANTIALIAS)
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img.save(x[1])
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else:
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for x in processing_tuple:
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baseheight = x[0]
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hpercent = (baseheight / float(img.size[1]))
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wsize = int(float(img.size[0] * float(hpercent)))
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img = img.resize((wsize, baseheight), Image.ANTIALIAS)
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img.save(x[1])
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95
app/photo_routes/scripts/get_exif_data.py
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95
app/photo_routes/scripts/get_exif_data.py
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#!/usr/bin/env python3
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from PIL import Image
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from PIL.ExifTags import TAGS, GPSTAGS
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import os
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from datetime import datetime
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def get_exif_data(photo):
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exif_data = {}
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get_file_sizes(photo, exif_data)
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return(exif_data)
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def get_exif(img_raw, exif_data):
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if hasattr(img_raw, '_getexif'):
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exifdata = img_raw._getexif()
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if exifdata is not None:
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date_format = "%Y:%m:%d %H:%M:%S"
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for k, v in TAGS.items():
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if k in exifdata:
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if v == "Make":
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exif_data['Make'] = exifdata[k]
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if v == "Model":
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exif_data['Model'] = exifdata[k]
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if v == "Software":
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exif_data['Software'] = exifdata[k]
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if v == "DateTime":
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exif_data['DateTime'] = datetime.strptime(exifdata[k], date_format)
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if v == "DateTimeOriginal":
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exif_data['DateTimeOriginal'] = datetime.strptime(exifdata[k], date_format)
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if v == "DateTimeDigitized":
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exif_data['DateTimeDigitized'] = datetime.strptime(exifdata[k], date_format)
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if v == "FNumber":
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exif_data['fnumber'] = round(exifdata[k][0] / exifdata[k][1], 1)
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if v == "DigitalZoomRatio":
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exif_data['DigitalZoomRatio'] = round(exifdata[k][0] / exifdata[k][1], 2)
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if v == "TimeZoneOffset":
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exif_data['TimeZoneOffset'] = exifdata[k]
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if v == "GPSInfo":
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gpsinfo = {}
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for h, i in GPSTAGS.items():
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if h in exifdata[k]:
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if i == 'GPSAltitudeRef':
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gpsinfo['GPSAltitudeRef'] = int.from_bytes(exifdata[k][h], "big")
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if i == 'GPSAltitude':
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gpsinfo['GPSAltitude'] = round(exifdata[k][h][0] / exifdata[k][h][1], 3)
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if i == 'GPSLatitudeRef':
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gpsinfo['GPSLatitudeRef'] = exifdata[k][h]
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if i == 'GPSLatitude':
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gpsinfo['GPSLatitude'] = calc_coordinate(exifdata[k][h])
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if i == 'GPSLongitudeRef':
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gpsinfo['GPSLongitudeRef'] = exifdata[k][h]
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if i == 'GPSLongitude':
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gpsinfo['GPSLongitude'] = calc_coordinate(exifdata[k][h])
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update_gpsinfo(gpsinfo, exif_data)
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def update_gpsinfo(gpsinfo, exif_data):
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if 'GPSAltitudeRef' in gpsinfo and 'GPSLatitude' in gpsinfo:
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exif_data['GPSAltitude'] = gpsinfo['GPSAltitude']
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exif_data['GPSAboveSeaLevel'] = False if gpsinfo['GPSAltitudeRef'] != 0 else True
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if 'GPSLatitudeRef' in gpsinfo and 'GPSLatitude' in gpsinfo:
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exif_data['GPSLatitude'] = gpsinfo['GPSLatitude'] if gpsinfo['GPSLatitudeRef'] != 'S' else 0 - gpsinfo['GPSLatitude']
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if 'GPSLongitudeRef' in gpsinfo and 'GPSLongitude' in gpsinfo:
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exif_data['GPSLongitude'] = gpsinfo['GPSLongitude'] if gpsinfo['GPSLongitudeRef'] != 'W' else 0 - gpsinfo['GPSLongitude']
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def calc_coordinate(x):
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degrees = x[0][0] / x[0][1]
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minutes = x[1][0] / x[1][1]
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seconds = x[2][0] / x[2][1]
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return round(degrees + minutes / 60 + seconds / 3600, 5)
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def get_dimensions_and_format(photo, exif_data):
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img_raw = Image.open('raw_' + photo)
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img_1280 = Image.open('1280_' + photo)
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img_480 = Image.open('480_' + photo)
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exif_data['AspectRatio'] = round(img_raw.width / img_raw.height, 5)
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exif_data['photo_format'] = img_raw.format
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exif_data['photo_width'] = img_raw.width
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exif_data['photo_height'] = img_raw.height
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exif_data['photo_1280_width'] = img_1280.width
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exif_data['photo_1280_height'] = img_1280.height
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exif_data['photo_480_width'] = img_480.width
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exif_data['photo_480_height'] = img_480.height
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get_exif(img_raw, exif_data)
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def get_file_sizes(photo, exif_data):
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exif_data['photo_raw_size'] = os.path.getsize('raw_' + photo)
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exif_data['photo_1280_size'] = os.path.getsize('1280_' + photo)
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exif_data['photo_480_size'] = os.path.getsize('480_' + photo)
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get_dimensions_and_format(photo, exif_data)
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163
app/photo_routes/scripts/process_uploaded_photo.py
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163
app/photo_routes/scripts/process_uploaded_photo.py
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#!/usr/bin/env python3
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import psycopg2
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from datetime import datetime
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from time import time
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from .crop_photo import crop_photo
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from .get_exif_data import get_exif_data
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def process_uploaded_photo(filename, current_user, app_config):
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crop_photo(filename, app_config['PHOTO_SAVE_PATH'])
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exif_data = get_exif_data(filename)
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conn = psycopg2.connect(
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dbname=app_config['DATABASE_NAME'],
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user=app_config['DATABASE_USER'],
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host=app_config['DATABASE_HOST'],
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password=app_config['DATABASE_PASSWORD']
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)
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cur = conn.cursor()
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cur.execute("SELECT setval('photo_id_seq', (SELECT MAX(id) FROM photo))")
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conn.commit()
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cur.execute("SELECT count(id) FROM photo WHERE photo_name=%s", (filename, ))
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if cur.fetchone()[0] == 0:
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sql_statement = "INSERT INTO photo("
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sql_statement += "photo_name,"
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sql_statement += "contributor_id,"
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sql_statement += "timestamp,"
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sql_statement += "photo_raw_size,"
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sql_statement += "photo_1280_size,"
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sql_statement += "photo_480_size,"
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sql_statement += "photo_format,"
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sql_statement += "photo_width,"
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sql_statement += "photo_height,"
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sql_statement += "photo_1280_width,"
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sql_statement += "photo_1280_height,"
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sql_statement += "photo_480_width,"
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sql_statement += "photo_480_height,"
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sql_statement += "\"Make\","
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sql_statement += "\"Model\","
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sql_statement += "\"Software\","
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sql_statement += "\"DateTime\","
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sql_statement += "\"DateTimeOriginal\","
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sql_statement += "\"DateTimeDigitized\","
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sql_statement += "fnumber,"
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sql_statement += "\"DigitalZoomRatio\","
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sql_statement += "\"AspectRatio\","
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sql_statement += "\"TimeZoneOffset\","
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sql_statement += "\"GPSAltitude\","
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sql_statement += "\"GPSAboveSeaLevel\","
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sql_statement += "\"GPSLatitude\","
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sql_statement += "\"GPSLongitude\","
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sql_statement += "timestamp_int) "
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sql_statement += "VALUES(%s,%s,%s,%s,%s,%s,"
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sql_statement += "%s,%s,%s,%s,%s,%s,"
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sql_statement += "%s,%s,%s,%s,%s,%s,"
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sql_statement += "%s,%s,%s,%s,%s,%s,"
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sql_statement += "%s,%s,%s,%s) RETURNING id"
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cur.execute(sql_statement, (
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filename,
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current_user.id,
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str(datetime.utcnow()),
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exif_data['photo_raw_size'],
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exif_data['photo_1280_size'],
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exif_data['photo_480_size'],
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exif_data['photo_format'],
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exif_data['photo_width'],
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exif_data['photo_height'],
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exif_data['photo_1280_width'],
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exif_data['photo_1280_height'],
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exif_data['photo_480_width'],
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exif_data['photo_480_height'],
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exif_data['Make'] if 'Make' in exif_data else None,
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exif_data['Model'] if 'Model' in exif_data else None,
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exif_data['Software'] if 'Software' in exif_data else None,
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exif_data['DateTime'] if 'DateTime' in exif_data else None,
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exif_data['DateTimeOriginal'] if 'DateTimeOriginal' in exif_data else None,
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exif_data['DateTimeDigitized'] if 'DateTimeDigitized' in exif_data else None,
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exif_data['fnumber'] if 'fnumber' in exif_data else None,
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exif_data['DigitalZoomRatio'] if 'DigitalZoomRatio' in exif_data else None,
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exif_data['AspectRatio'],
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exif_data['TimeZoneOffset'] if 'TimeZoneOffset' in exif_data else None,
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exif_data['GPSAltitude'] if 'GPSAltitude' in exif_data else None,
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exif_data['GPSAboveSeaLevel'] if 'GPSAboveSeaLevel' in exif_data else None,
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exif_data['GPSLatitude'] if 'GPSLatitude' in exif_data else None,
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exif_data['GPSLongitude'] if 'GPSLongitude' in exif_data else None,
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int(time() * 1000)
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))
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photo_id = cur.fetchone()[0]
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else:
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cur.execute("SELECT id FROM photo WHERE photo_name=%s", (filename, ))
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photo_id = cur.fetchone()[0]
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sql_statement = "UPDATE photo SET "
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sql_statement += "contributor_id=%s, "
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sql_statement += "timestamp=%s, "
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sql_statement += "photo_raw_size=%s, "
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sql_statement += "photo_1280_size=%s, "
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sql_statement += "photo_480_size=%s, "
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sql_statement += "photo_format=%s, "
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sql_statement += "photo_width=%s, "
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sql_statement += "photo_height=%s, "
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sql_statement += "photo_1280_width=%s, "
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sql_statement += "photo_1280_height=%s, "
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sql_statement += "photo_480_width=%s, "
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sql_statement += "photo_480_height=%s, "
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sql_statement += "\"Make\"=%s, "
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sql_statement += "\"Model\"=%s, "
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sql_statement += "\"Software\"=%s, "
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sql_statement += "\"DateTime\"=%s, "
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sql_statement += "\"DateTimeOriginal\"=%s, "
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sql_statement += "\"DateTimeDigitized\"=%s, "
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sql_statement += "fnumber=%s, "
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sql_statement += "\"DigitalZoomRatio\"=%s, "
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sql_statement += "\"AspectRatio\"=%s, "
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sql_statement += "\"TimeZoneOffset\"=%s, "
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sql_statement += "\"GPSAltitude\"=%s, "
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sql_statement += "\"GPSAboveSeaLevel\"=%s, "
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sql_statement += "\"GPSLatitude\"=%s, "
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sql_statement += "\"GPSLongitude\"=%s, "
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sql_statement += "timestamp_int=%s WHERE photo_name=%s"
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cur.execute(sql_statement, (
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current_user.id,
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str(datetime.utcnow()),
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exif_data['photo_raw_size'],
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exif_data['photo_1280_size'],
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exif_data['photo_480_size'],
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exif_data['photo_format'],
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exif_data['photo_width'],
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exif_data['photo_height'],
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exif_data['photo_1280_width'],
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exif_data['photo_1280_height'],
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exif_data['photo_480_width'],
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exif_data['photo_480_height'],
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exif_data['Make'] if 'Make' in exif_data else None,
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exif_data['Model'] if 'Model' in exif_data else None,
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exif_data['Software'] if 'Software' in exif_data else None,
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exif_data['DateTime'] if 'DateTime' in exif_data else None,
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exif_data['DateTimeOriginal'] if 'DateTimeOriginal' in exif_data else None,
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exif_data['DateTimeDigitized'] if 'DateTimeDigitized' in exif_data else None,
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exif_data['fnumber'] if 'fnumber' in exif_data else None,
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exif_data['DigitalZoomRatio'] if 'DigitalZoomRatio' in exif_data else None,
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exif_data['AspectRatio'],
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exif_data['TimeZoneOffset'] if 'TimeZoneOffset' in exif_data else None,
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exif_data['GPSAltitude'] if 'GPSAltitude' in exif_data else None,
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exif_data['GPSAboveSeaLevel'] if 'GPSAboveSeaLevel' in exif_data else None,
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exif_data['GPSLatitude'] if 'GPSLatitude' in exif_data else None,
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exif_data['GPSLongitude'] if 'GPSLongitude' in exif_data else None,
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int(time() * 1000),
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filename
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))
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conn.commit()
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conn.close()
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return(photo_id)
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