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check_file.py
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check_file.py
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#!/usr/bin/env python3
import glob
import re
import sys
import yaml
front_matter_re = re.compile("---\n(.*?)---\n", re.M | re.DOTALL)
allowed_keys = set([
"layout", "title", "date", "tags", "permalink",
"flickr_user", "flickr_username", "flickr_image", "flickr_imagelink", "flickr_imagename",
"flickr", "unsplash_image", "unsplash_title", "unsplash_url", "unsplash_user",
"youtube", "image", "image_title", "image_credit"
])
def check_file(fn):
if not fn.endswith(".md"):
print(f"{fn}: Filename incorrect - should end in .md.")
exit_code = 1
first_line = open(fn).readline()
if first_line != "---\n":
print(f"{fn}: First line should be --- but was '{first_line}''")
exit_code = 1
front_matter_raw = front_matter_re.match(open(fn).read()).group(1)
front_matter = yaml.load(front_matter_raw, Loader=yaml.BaseLoader)
exit_code = 0
keys = set(front_matter.keys())
if len(keys - allowed_keys) > 0:
print(f"{fn}: Key(s) {keys - allowed_keys} not allowed.")
exit_code = 1
return exit_code
def main():
files = glob.glob("_drafts/*") + glob.glob("_posts/*")
exit_code = 0
for fn in files:
exit_code = max(check_file(fn), exit_code)
sys.exit(exit_code)
if __name__ == "__main__":
main()