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Convert from old categories to tags

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import sys
import yaml

with open(sys.argv[1]) as fp:
    data = fp.read()

if not data.find("---") == 0:
    # no head
    print("NO YAML HEAD FOUND")
    sys.exit(-1)

data = data[3:]
head_end = data.find("---")

head = data[0:head_end]
data = data[head_end+3:]

metadata = yaml.safe_load(head)

cats = metadata.pop('categories', None)
if cats != None:
    if type(cats) == list:
        tags = cats
    elif type(cats) == str:
        tags = cats.split()

    tags = list(map(lambda t: t.lower(), tags))

    metadata["tags"] = ", ".join(tags)
    new_data = f"---\n{yaml.dump(metadata, default_flow_style=False)}---{data}"
    # write it
    print(f"coverted: categories to tags: {tags} - {sys.argv[1]}")
    with open(sys.argv[1], "w") as fp:
        fp.write(new_data)
    sys.exit(0)

if not metadata.get("tags", None):
    metadata["tags"] = "untagged"
    new_data = f"---\n{yaml.dump(metadata, default_flow_style=False)}---{data}"
    print(f"untagged: {sys.argv[1]}")
    # write it
    with open(sys.argv[1], "w") as fp:
        fp.write(new_data)
    sys.exit(0)

print("No changes needed")
This commit is contained in:
Dhananjay Balan
2019-01-28 17:16:27 -05:00
parent eb67654568
commit 58b20109cf
52 changed files with 107 additions and 178 deletions
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3
blog/2013-01-01-a-thank-you-note.markdown
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@@ -4,10 +4,9 @@ comments: true
date: 2013-01-01 00:28:00
layout: post
slug: a-thank-you-note
tags: life
title: A Thank You Note.
wordpress_id: 173304734
categories:
- Life
---
[![4918647118_e1c7e4644f_d](http://dbalan.files.wordpress.com/2013/01/869b2-4918647118_e1c7e4644f_d.jpg)](http://dbalan.files.wordpress.com/2013/01/869b2-4918647118_e1c7e4644f_d.jpg)