import os
def tagger():
    tag_data = open('tag_database').read()
    tag_dict = {}
    tag_list = tag_data.split('\n')
    for tag in tag_list:
        category = tag.split(':')[1]
        snippet = tag.split(':')[0]
        if category in tag_dict:
            tag_dict[category].append(snippet)
        else:
            tag_dict[category] = [snippet]
    return tag_dict
files = os.listdir('snippets')
start = open("static-parts/readme-start.md").read() + '\n\n'
end = open("static-parts/readme-end.md").read()
toAppend = ''
tag_dict = tagger()
for category in tag_dict:
    toAppend = toAppend + '# ' + category +'\n\n'
    for snippet in tag_dict[category]:
        someFile = open("snippets/" + snippet + '.md')
        fileData = someFile.read() 
        toAppend += fileData + '\n'
open("README.md",'w').write(start+toAppend+'\n'+end)