mirror of
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96 lines
2.8 KiB
Python
96 lines
2.8 KiB
Python
import os
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from neatlynx.exceptions import NeatLynxException
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class DataFilePathError(NeatLynxException):
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def __init__(self, msg):
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NeatLynxException.__init__(self, 'Data file error: {}'.format(msg))
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class NotInDataDirError(NeatLynxException):
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def __init__(self, data_dir):
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NeatLynxException.__init__(self,
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'Data file location error: the file has to be in the data directory "{}"'.
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format(data_dir))
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class DataFileObj(object):
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STATE_FILE_SUFFIX = '.state'
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CACHE_FILE_SEP = '_'
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def __init__(self, data_file, git, config):
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self._git = git
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self._config = config
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self._curr_dir_abs = os.path.realpath(os.curdir)
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data_file = os.path.realpath(data_file)
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self._data_file_name = os.path.basename(data_file)
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data_file_dir = os.path.realpath(os.path.dirname(data_file))
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data_dir = os.path.join(self._git.git_dir_abs, config.data_dir)
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self._rel_path = os.path.relpath(data_file_dir, data_dir)
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if not data_file_dir.startswith(data_dir):
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raise NotInDataDirError(config.data_dir)
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if self._rel_path == '.':
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self._rel_path = ''
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pass
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# Data file properties
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@property
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def data_file_name(self):
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return self._data_file_name
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@property
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def data_file_nlx(self):
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return os.path.join(self._config.data_dir, self._rel_path, self.data_file_name)
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@property
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def data_file_abs(self):
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return os.path.join(self._git.git_dir_abs, self.data_file_nlx)
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@property
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def data_file_relative(self):
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return os.path.relpath(self.data_file_abs, self._curr_dir_abs)
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# Cache file properties
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@property
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def cache_file_name(self):
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if not self._git.curr_commit:
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return None
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return self.data_file_name + self.CACHE_FILE_SEP + self._git.curr_commit
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@property
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def cache_file_nlx(self):
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if not self._git.curr_commit:
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return None
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return os.path.join(self._config.cache_dir, self._rel_path, self.cache_file_name)
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@property
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def cache_file_abs(self):
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return os.path.join(self._git.git_dir_abs, self.cache_file_nlx)
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@property
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def cache_file_relative(self):
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return os.path.relpath(self.cache_file_abs, self._curr_dir_abs)
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# State file properties
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@property
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def state_file_name(self):
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return self.data_file_name + self.STATE_FILE_SUFFIX
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@property
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def state_file_nlx(self):
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return os.path.join(self._config.state_dir, self._rel_path, self.state_file_name)
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@property
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def state_file_abs(self):
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return os.path.join(self._git.git_dir_abs, self.state_file_nlx)
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@property
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def state_file_relative(self):
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return os.path.relpath(self.state_file_abs, self._curr_dir_abs)
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