Generate send-hooks for addresses (set from, force encrypt...) using a yaml configuration file The file is called a "ruleset" Each entry is a "rule" and is a dictionary Each rule can map to many mutt hooks

make_hooks.py

'''
Generate send-hooks for addresses (set from, force encrypt...) using a yaml
configuration file

The file is called a "ruleset"
Each entry is a "rule" and is a dictionary
Each rule can map to many mutt hooks
'''
import yaml
try:
    from yaml import CLoader as Loader
except:
    from yaml import Loader

def make_rule(rule):
    when = []
    what = []
    if 'domains' in rule:
        for domain in rule['domains']:
            when.append(r'\@%s$' % domain)
    if 'addresses' in rule:
        for address in rule['addresses']:
            when.append(r'^%s$' % address)

    if 'from' in rule:
        what.append('my_hdr From: %s' % rule['from'])
    if 'gpg' in rule:
        gpg = []
        if 'crypt' in rule['gpg']:
            gpg.append('crypt_autoencrypt')
        if 'sign' in rule['gpg']:
            gpg.append('crtyp_autosign')
        if gpg:
            what.append('set %s' % ' '.join(gpg))

    for condition in when:
        for action in what:
            yield "send-hook '~t %s' '%s'" % (condition, action)


def make_rules(src):
    ruleset = yaml.load(src, Loader=Loader)
    for rule in ruleset:
        out = tuple(make_rule(rule))
        for hook in out:
            print hook

if __name__ == '__main__':
    import sys
    src = sys.argv[1]
    make_rules(open(src, 'r'))