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amanuensis
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Allow require wrappers to check and load models

This commit is contained in:
Tim Van Baak 2020-01-22 17:21:25 -08:00
parent 4661b232c2
commit f0cdcb8d8c
1 changed files with 40 additions and 26 deletions
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42
amanuensis/cli/helpers.py
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@ -29,35 +29,49 @@ def no_argument(command):
command(cmd_args)
return augmented_command
# Wrapper for commands requiring lexicon or username options
# Wrappers for commands requiring lexicon or username options
def requires(arg, metavar, dest, fallback, help):
"""Subparser fallback for -u and -n options"""
def req_checker(command):
def requires_lexicon(command):
@wraps(command)
def augmented_command(cmd_args):
if type(cmd_args) is ArgumentParser:
cmd_args.add_argument(arg, metavar=metavar, dest=dest, help=help)
cmd_args.add_argument("-n", metavar="LEXICON", dest="lexicon", help="Specify a lexicon to operate on")
if command.__dict__.get('wrapper', False):
command(cmd_args)
if type(cmd_args) is Namespace:
base_val = hasattr(cmd_args, fallback) and getattr(cmd_args, fallback)
subp_val = hasattr(cmd_args, dest) and getattr(cmd_args, dest)
base_val = hasattr(cmd_args, "tl_lexicon") and getattr(cmd_args, "tl_lexicon")
subp_val = hasattr(cmd_args, "lexicon") and getattr(cmd_args, "lexicon")
val = subp_val or base_val or None
if not val:
import config
config.logger.error("This command requires {}".format(arg))
config.logger.error("This command requires specifying a lexicon")
return -1
setattr(cmd_args, dest, val)
from lexicon import LexiconModel
cmd_args.lexicon = val#LexiconModel.by(name=val).name
command(cmd_args)
augmented_command.__dict__['wrapper'] = True
return augmented_command
return req_checker
requires_lexicon = requires("-n", "LEXICON", "lexicon", "tl_lexicon",
"Specify a lexicon to operate on")
requires_username = requires("-u", "USERNAME", "username", "tl_username",
"Specify a user to operate on")
def requires_username(command):
@wraps(command)
def augmented_command(cmd_args):
if type(cmd_args) is ArgumentParser:
cmd_args.add_argument("-u", metavar="USERNAME", dest="username", help="Specify a user to operate on")
if command.__dict__.get('wrapper', False):
command(cmd_args)
if type(cmd_args) is Namespace:
base_val = hasattr(cmd_args, "tl_username") and getattr(cmd_args, "tl_lexicon")
subp_val = hasattr(cmd_args, "username") and getattr(cmd_args, "username")
val = subp_val or base_val or None
if not val:
import config
config.logger.error("This command requires specifying a user")
return -1
from user import UserModel
cmd_args.username = val#UserModel.by(name=val).name
command(cmd_args)
augmented_command.__dict__['wrapper'] = True
return augmented_command
# Helpers for common command tasks