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#!/usr/bin/env python3
# Startdate: 2021-01-29 15:35
# Purpose: generate symlink forest of a directory path
# methodology:
# 1. read exif data first, YYYY/MM
# 2. use timestamp of file, and log warnings
# Usage:
# ./generate.py -i /mnt/bgstack15/Backups/bgstack15/Images/Photos/camera/2018/ -o /mnt/public/www/gallery/my2018 -n -d2 -x 'October' -s --nr
from argparse import ArgumentParser, RawDescriptionHelpFormatter
from genlib import *
generate_version="2021-02-25a"
# WORKHERE the if __main__ thing:
parser = ArgumentParser(description="Make symlink forest for images",
formatter_class=RawDescriptionHelpFormatter,
epilog="""FORMATTING
Format string will be interpreted as a python f-string, so wrap variable
names with curly braces.
Default format is "{Y}/{M}"
{Y} is 4-digit year
{M} is month (affected by padding)
{D} is day (affected by padding)""")
parser.add_argument("-d","--debug",nargs='?', default=0, type=int, choices=range(0,11), help="Set debug level")
parser.add_argument("-v","--version", action="version", version="%(prog)s " + generate_version)
g_dryrun = parser.add_mutually_exclusive_group()
g_dryrun.add_argument("-n","--dryrun", action="store_true", help="Make no changes (default)")
g_dryrun.add_argument("-a","--apply", action="store_true", help="Actually make changes")
g_zeropad = parser.add_mutually_exclusive_group()
g_zeropad.add_argument("-z","-0","--zeropad",action="store_true", help="Zero pad month and day strings (default)")
g_zeropad.add_argument("--nz","--nozeropad","--no-zeropad",action="store_true", help="Do not zero pad")
g_action = parser.add_mutually_exclusive_group()
g_action.add_argument("-c","--copy", action="store_true", help="Copy files instead of symlinks. Not recommended.")
g_action.add_argument("-s","--symlink", action="store_true", help="Make symlinks (default)")
g_action.add_argument("-m","--move", action="store_true", help="Move files. Not recommended.")
g_relative = parser.add_mutually_exclusive_group()
g_relative.add_argument("-r","--relative", action="store_true",help="Make relative symlinks if possible.")
g_relative.add_argument("--nr","--norelative","--no-relative", action="store_true",help="Make absolute symlinks (default)")
parser.add_argument("-i","--indir",required=True)
parser.add_argument("-o","--outdir",required=True)
parser.add_argument("-x","--exclude",action="append",help="Exclude pathname matches. Can be used multiple times.")
parser.add_argument("-f","--format",action="store",default="{Y}/{M}",help="Subdirectories should follow this pattern. See FORMATTING heading.")
# pull useful values out of the argparse entry
args = parser.parse_args()
debuglevel=0
if args.debug is None:
debuglevel = 10
elif args.debug:
debuglevel = args.debug
indir = args.indir
outdir = args.outdir
dryrun = args.dryrun or not args.apply # the mutually exclusive group handles this OK
eprint(args)
zero_pad = args.zeropad or not args.nz
if args.copy:
action = "copy"
elif args.symlink:
action = "symlink"
elif args.move:
action = "move"
relative_symlinks = not (not args.relative or args.nr)
excludes = []
try:
for i in args.exclude:
excludes.append(i)
except:
# no exclusions
pass
subdirformat=args.format
if debuglevel >= 10:
eprint(args)
if len(excludes) > 0:
eprint("Excluding path matches:", excludes)
# MAIN
these_files = limit(
list_files(
indir,
debuglevel=debuglevel,
excludes=excludes
),
["image","video"]
)
print("FOUND FILE COUNT:",len(these_files))
make_forest(
outdir,
these_files,
subdirformat = subdirformat,
action = action,
dryrun = dryrun,
debuglevel = debuglevel,
zero_pad = zero_pad,
relative_symlinks = relative_symlinks
)
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