74 lines
1.6 KiB
Python
74 lines
1.6 KiB
Python
import logging, os, json
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class Singleton(type):
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_instances = {}
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def __call__(cls, *args, **kwargs):
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if cls not in cls._instances:
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cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
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logging.info('**** new Singleton instance')
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return cls._instances[cls]
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class Archives(metaclass=Singleton):
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def __init__(self, archives_dir=None):
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if archives_dir==None:
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from www import config
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self.archives_dir = config.ARCHIVES_PATH
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else:
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self.archives_dir = archives_dir
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self.data = {}
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self.loaded = False
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logging.info('loading archives...')
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self.load()
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logging.info('done.')
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def load(self):
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if self.loaded:
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return
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if not os.path.isdir(self.archives_dir):
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logging.error("Archives:: the path - " + self.archives_dir + " - is not a valid directory. Aborting.")
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logging.error(" -- current cwd is: " + os.getcwd())
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return
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arch = [d for d in os.listdir(self.archives_dir) if os.path.isdir(os.path.join(self.archives_dir, d))]
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self.data = {}
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for a in arch:
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logging.info("loading " + a)
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archive_path = os.path.join(self.archives_dir, a)
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self.data[a] = self.load_archive(archive_path)
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logging.info("done.")
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self.loaded = True
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def load_archive(self, archive_dir):
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if not os.path.isdir(archive_dir):
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logging.error("Archives:: the path - " + archive_dir + " - is not a valid directory. Aborting.")
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return
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files = [f for f in os.listdir(archive_dir) if f.endswith('.json')]
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arch = {}
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for f in files:
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file_path = os.path.join(archive_dir, f)
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with open(file_path) as fdata:
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arch[f.replace('.json', '')] = json.load(fdata)
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return arch
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