httpie-cli/httpie/config.py
2014-04-27 23:12:48 +02:00

98 lines
2.4 KiB
Python

import os
import json
import errno
from . import __version__
from .compat import is_windows
DEFAULT_CONFIG_DIR = 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 __getattr__(self, item):
return self[item]
def _get_path(self):
"""Return the config file path without side-effects."""
raise NotImplementedError()
@property
def path(self):
"""Return the config file path creating basedir, if needed."""
path = self._get_path()
try:
os.makedirs(os.path.dirname(path), mode=0o700)
except OSError as e:
if e.errno != errno.EEXIST:
raise
return path
def is_new(self):
return not os.path.exists(self._get_path())
def load(self):
try:
with open(self.path, 'rt') as f:
try:
data = json.load(f)
except ValueError as e:
raise ValueError(
'Invalid %s JSON: %s [%s]' %
(type(self).__name__, e.message, self.path)
)
self.update(data)
except IOError as e:
if e.errno != errno.ENOENT:
raise
def save(self):
self['__meta__'] = {
'httpie': __version__
}
if self.helpurl:
self['__meta__']['help'] = self.helpurl
if self.about:
self['__meta__']['about'] = self.about
with open(self.path, 'w') as f:
json.dump(self, f, indent=4, sort_keys=True, ensure_ascii=True)
f.write('\n')
def delete(self):
try:
os.unlink(self.path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
class Config(BaseConfigDict):
name = 'config'
helpurl = 'https://github.com/jkbr/httpie#config'
about = 'HTTPie configuration file'
DEFAULTS = {
'implicit_content_type': 'json',
'default_options': []
}
def __init__(self, directory=DEFAULT_CONFIG_DIR):
super(Config, self).__init__()
self.update(self.DEFAULTS)
self.directory = directory
def _get_path(self):
return os.path.join(self.directory, self.name + '.json')