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new caching structure with support for distribution

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This commit is contained in:
Julian Hammer
2020-10-28 16:29:23 +01:00
parent b5b1a1f2b2
commit 9d2ea8603f
6 changed files with 73 additions and 76 deletions
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25
osaca/utils.py
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@@ -1,28 +1,17 @@
#!/usr/bin/env python3
import os.path
from pathlib import Path
import hashlib
DATA_DIRS = [os.path.expanduser('~/.osaca/data'),
os.path.join(os.path.dirname(__file__), 'data')]
CACHE_DIR = os.path.expanduser('~/.osaca/cache')
def find_file(name):
def find_datafile(name):
"""Check for existence of name in user or package data folders and return path."""
search_paths = [os.path.expanduser('~/.osaca/data'),
os.path.join(os.path.dirname(__file__), 'data')]
for dir in search_paths:
for dir in DATA_DIRS:
path = os.path.join(dir, name)
if os.path.exists(path):
return path
raise FileNotFoundError("Could not find {!r} in {!r}.".format(name, search_paths))
def exists_cached_file(name):
"""Check for existence of file in cache dir. Returns path if it exists and False otherwise."""
if not os.path.exists(CACHE_DIR):
os.makedirs(CACHE_DIR)
return False
search_paths = [CACHE_DIR]
for dir in search_paths:
path = os.path.join(dir, name)
if os.path.exists(path):
return path
return False
raise FileNotFoundError("Could not find {!r} in {!r}.".format(name, DATA_DIRS))