strix

A simple web UI for motion
git clone https://www.brianlane.com/git/strix
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config.py (2360B)

      1 # strix/motion/config.py
      2 #
      3 # Copyright (C) 2017 Brian C. Lane
      4 #
      5 # This program is free software; you can redistribute it and/or modify
      6 # it under the terms of the GNU General Public License as published by
      7 # the Free Software Foundation; either version 2 of the License, or
      8 # (at your option) any later version.
      9 #
     10 # This program is distributed in the hope that it will be useful,
     11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 # GNU General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU General Public License
     16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     17 import os
     18 
     19 class MotionConfig():
     20     """ Parse a motion configuration file into dicts
     21 
     22     Last key wins. Threads are stored in self.thread["thread-N"]
     23     """
     24     config = {}
     25     thread = {}
     26     _thread_n = 0
     27 
     28     def thread_n(self) -> str:
     29         """ Return an incrementing thread-N string
     30 
     31         :returns: str
     32         """
     33         self._thread_n += 1
     34         return "thread-%d" % self._thread_n
     35 
     36     def split(self, s):
     37         """ Split the line into key and optional values.
     38 
     39         :returns: (k, v) where v may be ""
     40         """
     41         try:
     42             k, v = s.strip().split(" ", 1)
     43 
     44             # thread|camera is a special case, can be more than 1
     45             if k == "thread" or k == "camera":
     46                 k = self.thread_n()
     47         except ValueError:
     48             k = s
     49             v = ""
     50         return (k, v)
     51 
     52     def parse(self, config_path):
     53         """ Parse a motion config file
     54 
     55         :returns: dict
     56         """
     57         with open(config_path) as f:
     58             return dict([
     59                  self.split(line)
     60                  for line in f.readlines()
     61                  if line.strip() and not line.startswith("#")])
     62 
     63     def __init__(self, config_path):
     64         self.config = self.parse(config_path)
     65         for t in filter(lambda k: k.startswith("thread") or k.startswith("camera"), self.config.keys()):
     66             thread_path = self.config[t]
     67             if not thread_path.startswith("/"):
     68                 # Turn the relative path into an absolute one using the config_path
     69                 thread_path = os.path.abspath(os.path.join(os.path.dirname(config_path), thread_path))
     70             self.thread[t] = self.parse(thread_path)