mirror of https://github.com/tuhiproject/tuhi.git
136 lines
4.0 KiB
Python
136 lines
4.0 KiB
Python
#!/usr/bin/env python3
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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from gi.repository import GObject
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import xdg.BaseDirectory
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import os
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import configparser
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import re
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import logging
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from .drawing import Drawing
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logger = logging.getLogger('tuhi.config')
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ROOT_PATH = os.path.join(xdg.BaseDirectory.xdg_data_home, 'tuhi')
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def is_btaddr(addr):
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return re.match('^([0-9A-F]{2}[:-]){5}([0-9A-F]{2})$', addr) is not None
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class TuhiConfig(GObject.Object):
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def __init__(self):
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GObject.Object.__init__(self)
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try:
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os.mkdir(ROOT_PATH)
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except FileExistsError:
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pass
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self._devices = {}
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self._scan_config_dir()
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@property
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def devices(self):
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"""
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Returns a dictionary with the bluetooth address as key
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"""
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return self._devices
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def _scan_config_dir(self):
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with os.scandir(ROOT_PATH) as it:
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for entry in it:
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if entry.is_file():
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continue
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if not is_btaddr(entry.name):
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continue
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path = os.path.join(ROOT_PATH, entry.name, 'settings.ini')
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if not os.path.isfile(path):
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continue
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logger.debug(f'{entry.name}: configuration found')
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config = configparser.ConfigParser()
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config.read(path)
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assert config['Device']['Address'] == entry.name
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self._devices[entry.name] = config['Device']
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def new_device(self, address, uuid):
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assert is_btaddr(address)
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assert len(uuid) == 12
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logger.debug(f'{address}: adding new config, UUID {uuid}')
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path = os.path.join(ROOT_PATH, address)
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try:
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os.mkdir(path)
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except FileExistsError:
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pass
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# The ConfigParser default is to write out options as lowercase, but
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# the ini standard is Capitalized. But it's convenient to have
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# write-out nice but read-in flexible. So have two different config
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# parsers for writing and then for handling the reads later
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path = os.path.join(path, 'settings.ini')
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config = configparser.ConfigParser()
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config.optionxform = str
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config.read(path)
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config['Device'] = {
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'Address': address,
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'UUID': uuid,
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}
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with open(path, 'w') as configfile:
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config.write(configfile)
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config = configparser.ConfigParser()
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config.read(path)
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self._devices[address] = config['Device']
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def store_drawing(self, address, drawing):
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assert is_btaddr(address)
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assert drawing is not None
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if address not in self.devices:
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logger.error(f'{address}: cannot store drawings for unknown device')
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return
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logger.debug(f'{address}: adding new drawing, timestamp {drawing.timestamp}')
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path = os.path.join(ROOT_PATH, address, f'{drawing.timestamp}.json')
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with open(path, "w") as f:
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f.write(drawing.to_json())
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def load_drawings(self, address):
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assert is_btaddr(address)
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drawings = []
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if address not in self.devices:
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return drawings
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configdir = os.path.join(ROOT_PATH, address)
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with os.scandir(configdir) as it:
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for entry in it:
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if not entry.is_file():
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continue
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if not entry.name.endswith('.json'):
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continue
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d = Drawing.from_json(entry)
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drawings.append(d)
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return drawings
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