Jaculabilis/amanuensis
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Add --update to init

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This commit is contained in:
Tim Van Baak 2020-01-03 09:00:08 -08:00
parent d614893692
commit 3629f91bf4
1 changed files with 41 additions and 13 deletions
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54
amanuensis/cli.py
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@ -41,29 +41,57 @@ def no_argument(command):
return augmented_command
@no_argument
@add_argument("--update", action="store_true", help="Refresh an existing config directory")
def command_init(args):
"""Initialize an Amanuensis config directory at the directory given by
--config-dir"""
from collections import OrderedDict
import fcntl
import json
import os
import pkg_resources
cfd = args.config_dir
# Create the directory if it doesn't exist.
if not os.path.isdir(cfd):
os.mkdir(cfd)
# Check if the directory is empty, check with user if not.
if len(os.listdir(cfd)) > 0:
check = input("Directory {} is not empty, proceed? [y/N] ".format(cfd))
if check != "y":
return -1
# Directory validated, set up config directory.
# The directory should be empty if we're not updating an existing one.
if len(os.listdir(cfd)) > 0 and not args.update:
print("Directory {} is not empty".format(cfd))
return -1
# Update or create global config.
def_cfg = pkg_resources.resource_stream(__name__, "resources/default_config.json")
with open(os.path.join(cfd, "config.json"), 'wb') as f:
f.write(def_cfg.read())
with open(os.path.join(cfd, "pid"), 'w') as f:
f.write(str(os.getpid()))
os.mkdir(os.path.join(cfd, "lexicon"))
os.mkdir(os.path.join(cfd, "user"))
if args.update and os.path.isfile(os.path.join(cfd, "config.json")):
with open(os.path.join(cfd, "config.json"), 'r+', encoding='utf8') as cfg_file:
fcntl.lockf(cfg_file, fcntl.LOCK_EX)
old_cfg = json.load(cfg_file, object_pairs_hook=OrderedDict)
new_cfg = json.load(def_cfg, object_pairs_hook=OrderedDict)
merged = {}
for key in new_cfg:
merged[key] = old_cfg[key] if key in old_cfg else new_cfg[key]
if key not in old_cfg:
print("Added key '{}' to config".format(key))
for key in old_cfg:
if key not in new_cfg:
print("Config contains unknown key '{}'".format(key))
merged[key] = old_cfg[key]
cfg_file.seek(0)
json.dump(merged, cfg_file, allow_nan=False, indent='\t')
cfg_file.truncate()
fcntl.lockf(cfg_file, fcntl.LOCK_UN)
else:
with open(os.path.join(cfd, "config.json"), 'wb') as f:
f.write(def_cfg.read())
# Ensure pidfile exists.
if not os.path.isfile(os.path.join(cfd, "pid")):
with open(os.path.join(cfd, "pid"), 'w') as f:
f.write(str(os.getpid()))
# Ensure subdirs exist.
if not os.path.isdir(os.path.join(cfd, "lexicon")):
os.mkdir(os.path.join(cfd, "lexicon"))
if not os.path.isdir(os.path.join(cfd, "user")):
os.mkdir(os.path.join(cfd, "user"))
@add_argument("-a", "--address", default="127.0.0.1")
@add_argument("-p", "--port", default="5000")