httpie-cli/httpie/config.py
2019-08-30 15:14:51 +02:00

100 lines
2.6 KiB
Python

import errno
import json
import os
from pathlib import Path
from typing import Union
from httpie import __version__
from httpie.compat import is_windows
DEFAULT_CONFIG_DIR = Path(os.environ.get(
'HTTPIE_CONFIG_DIR',
os.path.expanduser('~/.httpie') if not is_windows else
os.path.expandvars(r'%APPDATA%\\httpie')
))
class BaseConfigDict(dict):
name = None
helpurl = None
about = None
def _get_path(self) -> Path:
"""Return the config file path without side-effects."""
raise NotImplementedError()
def path(self) -> Path:
"""Return the config file path creating basedir, if needed."""
path = self._get_path()
try:
path.parent.mkdir(mode=0o700, parents=True)
except OSError as e:
if e.errno != errno.EEXIST:
raise
return path
def is_new(self) -> bool:
return not self._get_path().exists()
def load(self):
try:
with self.path().open('rt') as f:
try:
data = json.load(f)
except ValueError as e:
raise ValueError(
'Invalid %s JSON: %s [%s]' %
(type(self).__name__, str(e), self.path())
)
self.update(data)
except IOError as e:
if e.errno != errno.ENOENT:
raise
def save(self, fail_silently=False):
self['__meta__'] = {
'httpie': __version__
}
if self.helpurl:
self['__meta__']['help'] = self.helpurl
if self.about:
self['__meta__']['about'] = self.about
try:
with self.path().open('w') as f:
json.dump(self, f, indent=4, sort_keys=True, ensure_ascii=True)
f.write('\n')
except IOError:
if not fail_silently:
raise
def delete(self):
try:
self.path().unlink()
except OSError as e:
if e.errno != errno.ENOENT:
raise
class Config(BaseConfigDict):
name = 'config'
helpurl = 'https://httpie.org/doc#config'
about = 'HTTPie configuration file'
DEFAULTS = {
'default_options': []
}
def __init__(self, directory: Union[str, Path] = DEFAULT_CONFIG_DIR):
super().__init__()
self.update(self.DEFAULTS)
self.directory = Path(directory)
def _get_path(self) -> Path:
return self.directory / (self.name + '.json')
@property
def default_options(self) -> list:
return self['default_options']