erynwells.me/scripts/new-photo-post

149 lines
4.8 KiB
Python
Executable file

#!/usr/bin/env python3
# Eryn Wells <eryn@erynwells.me>
import argparse
import datetime
import os
import os.path as osp
import shutil
import subprocess
from PIL import Image
from PIL.ExifTags import TAGS
from typing import Optional
from erynwells_me.metadata import slugify
from erynwells_me.paths import photos_path
def parse_args(argv, *a, **kw):
parser = argparse.ArgumentParser(*a, **kw)
parser.add_argument('-e', '--edit', action='store_true')
parser.add_argument('-n', '--dry-run', action='store_true')
parser.add_argument('-t', '--title')
parser.add_argument('-s', '--slug')
parser.add_argument('--dump-exif', action='store_true')
parser.add_argument('photos', nargs='+')
args = parser.parse_args(argv)
return args
def main(argv):
args = parse_args(argv[1:], prog=argv[0])
earliest_exif_date: Optional[datetime.datetime] = None
for index, photo in enumerate(args.photos):
print(f'image\t\t{photo}')
try:
image = Image.open(photo)
except IOError:
continue
raw_exif = image._getexif()
friendly_exif = {TAGS[k]: v for k, v in raw_exif.items() if k in TAGS}
try:
date_string = f'{friendly_exif["DateTime"]} {friendly_exif["OffsetTime"]}'
exif_date = datetime.datetime.strptime(date_string, '%Y:%m:%d %H:%M:%S %z')
except KeyError:
exif_date = datetime.datetime.strptime(friendly_exif["DateTime"], '%Y:%m:%d %H:%M:%S')
print(f'capture-time\t{exif_date.isoformat()}')
iso_rating = friendly_exif.get('ISOSpeedRatings')
if iso_rating:
print(f'iso\t\t{iso_rating}')
focal_length_35mm = friendly_exif.get('FocalLengthIn35mmFilm')
focal_length = friendly_exif.get('FocalLength')
if focal_length or focal_length_35mm:
print(f'focal-length\t{focal_length} {focal_length_35mm}')
fstop = friendly_exif.get('FNumber')
if fstop:
print(f'f-stop\t\t{fstop}')
exposure_time = friendly_exif.get('ExposureTime')
if exposure_time:
print(f'exposure-time\t{exposure_time}')
if not earliest_exif_date or exif_date < earliest_exif_date:
earliest_exif_date = exif_date
if index < len(args.photos) - 1:
print()
if not earliest_exif_date:
earliest_exif_date = datetime.datetime.now()
year = earliest_exif_date.year
month = earliest_exif_date.month
if args.slug:
name = args.slug
elif args.title:
name = slugify(args.title)
else:
name = osp.splitext(osp.basename(photo))[0]
post_path_year = os.path.join(photos_path(), f'{year:04}', name)
post_path_year_month = os.path.join(photos_path(), f'{year:04}', f'{month:02}', name)
if os.path.exists(post_path_year):
if os.path.exists(post_path_year_month):
print("Couldn't find path for photo post. Both of the following paths exist.", file=sys.stderr)
print(f' {post_path_year}', file=sys.stderr)
print(f' {post_path_year_month}', file=sys.stderr)
return -1
else:
post_path = post_path_year_month
else:
post_path = post_path_year
try:
hugo_command = ['hugo', 'new', '--clock', earliest_exif_date.isoformat(), post_path]
if not args.dry_run:
result = subprocess.run(hugo_command)
result.check_returncode()
else:
print(' '.join(hugo_command), file=sys.stderr)
except subprocess.CalledProcessError:
print(f'Failed to create new Hugo post', file=sys.stderr)
return -1
index_file_path = os.path.join(post_path, 'index.md')
if args.title and not args.dry_run:
# The hugo command can't set a title for a post so I need to do it myself.
with open(index_file_path) as index_file:
index_file_contents = index_file.readlines()
for i in range(len(index_file_contents)):
line = index_file_contents[i]
if not line.startswith('title:'):
continue
updated_line = f'title: "{args.title}"\n'
index_file_contents[i] = updated_line
with open(index_file_path, 'w') as index_file:
index_file.writelines(index_file_contents)
if not args.dry_run and args.edit:
editor = os.environ.get('EDITOR', 'vi')
subprocess.run([editor, index_file_path], shell=True)
for photo in args.photos:
print(f'Copy {photo} -> {post_path}')
try:
if not args.dry_run:
shutil.copy(photo, post_path)
except IOError:
print(f'Failed to copy {photo}', file=sys.stderr)
return -2
if __name__ == '__main__':
import sys
result = main(sys.argv)
sys.exit(0 if not result else result)