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feat: hash file for cache filename

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rebase me
This commit is contained in:
dgrisham 2018-09-27 10:15:21 -06:00
parent 33c8290452
commit 499b1c4ff5
1 changed files with 10 additions and 2 deletions
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12
pywal/colors.py
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@ -6,6 +6,7 @@ import os
import random
import re
import sys
import hashlib
from . import theme
from . import util
@ -86,12 +87,19 @@ def saturate_colors(colors, amount):
def cache_fname(img, backend, light, cache_dir, sat=""):
"""Create the cache file name."""
color_type = "light" if light else "dark"
file_name = re.sub("[/|\\|.]", "_", img)
file_hash = hashf(img)
file_parts = [file_name, color_type, backend, sat, __cache_version__]
file_parts = [file_hash, color_type, backend, sat, __cache_version__]
return [cache_dir, "schemes", "%s_%s_%s_%s_%s.json" % (*file_parts,)]
def hashf(fpath):
return hashlib.md5(file_bytes(open(fpath, 'rb'))).hexdigest()
def file_bytes(fpath):
with fpath:
return fpath.read()
def get_backend(backend):
"""Figure out which backend to use."""
if backend == "random":