def __init__(self, app_dir: str = ''):
"""
finds the location of the required config files based on operating system, can be overridden
load configs from this location and sets them ready for reading
:param app_dir: app's data directory
"""
if app_dir:
app_dir = os.path.expanduser(app_dir)
if not os.path.exists(app_dir):
dialog.FatalError(app_dir, "does not exist")
else:
local_config_dir = os.path.expanduser('~/.config')
if sys.platform == 'darwin':
local_config_dir = os.path.expanduser(
'~/Library/Application Support')
elif sys.platform == 'win32':
local_config_dir = os.getenv('APPDATA') or ''
if not os.path.exists(local_config_dir):
dialog.FatalError("Couldn't find your config directory")
app_dir = os.path.join(local_config_dir, 'PyPad')
if not os.path.exists(app_dir):
try:
os.mkdir(app_dir)
except PermissionError:
dialog.FatalError("Couldn't write to", local_config_dir)
self.config_path = os.path.join(app_dir, 'config.json')
if not os.path.exists(self.config_path):
sample_dir = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
'resources/config.json')
try:
shutil.copyfile(sample_dir, self.config_path)
except PermissionError:
dialog.FatalError("Couldn't write to", self.config_path)
except FileNotFoundError:
dialog.FatalError("Couldn't read", sample_dir)
self.load()
self.font = self.font()
def save(self):
"""
write current config to disk
"""
try:
with open(self.config_path, 'w') as file:
text = json.dumps(self.main)
file.write(text)
except FileNotFoundError:
dialog.FatalError("Couldn't find", self.config_path)
def load(self):
"""
load config from disk
"""
try:
with open(self.config_path, 'r') as file:
text = file.read()
self.main = json.loads(text)
with open(
os.path.join(os.path.dirname(__file__),
'resources/config.json'), 'r') as file:
text = file.read()
self.fallback = json.loads(text)
except FileNotFoundError:
dialog.FatalError("Couldn't find", self.config_path)
self.merge()
def new_file(self):
"""
create a new file
"""
temp = '/tmp'
if sys.platform == 'win32':
temp = os.getenv('temp') or ''
if not os.path.exists(temp):
dialog.FatalError("Couldn't find your config directory")
path = os.path.join(
temp, 'pypad-' + str(uuid.uuid4()).split('-')[0] + '.txt')
# try:
# open(path, 'a').close()
# except PermissionError:
# dialog.FatalError("Couldn't write to", path)
self.path = path
self.editor.setPlainText('')
def get(self, name=None, default=None, fallback: bool = True):
"""
get a config value
:param name: key to fetch
:param default: value to fallback to if the key is not found
:param fallback: should it fetch from the fallback config if the value is not found
:return: requested config value
"""
section = self.merged if fallback else self.main
if name is None:
return section
if isinstance(name, list) or isinstance(name, tuple):
name = '.'.join(name)
keys = name.split('.')
try:
for key in keys:
section = section[key]
return section
except KeyError:
if default is not None:
return default
dialog.FatalError("Couldn't find", name)