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from i18n import _
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import re, error
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class sortdict(dict):
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'a simple append-only sorted dictionary'
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def __init__(self, data=None):
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self._list = []
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if data:
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if hasattr(data, '_list'):
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self._list = list(data._list)
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self.update(data)
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def copy(self):
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return sortdict(self)
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def __setitem__(self, key, val):
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if key in self:
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self._list.remove(key)
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self._list.append(key)
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dict.__setitem__(self, key, val)
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def __iter__(self):
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return self._list.__iter__()
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def update(self, src):
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for k in src:
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self[k] = src[k]
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def items(self):
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return [(k,self[k]) for k in self._list]
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class config:
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def __init__(self, data=None):
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self._data = {}
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if data:
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for k in data._data:
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self._data[k] = data[k].copy()
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def copy(self):
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return config(self)
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def __contains__(self, section):
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return section in self._data
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def update(self, src, sections=None):
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if not sections:
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sections = src.sections()
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for s in sections:
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if s not in src:
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continue
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if s not in self:
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self._data[s] = sortdict()
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for k in src._data[s]:
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self._data[s][k] = src._data[s][k]
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def get(self, section, item, default=None):
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return self._data.get(section, {}).get(item, (default, ""))[0]
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def getsource(self, section, item):
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return self._data.get(section, {}).get(item, (None, ""))[1]
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def sections(self):
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return sorted(self._data.keys())
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def items(self, section):
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return [(k, v[0]) for k,v in self._data.get(section, {}).items()]
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def set(self, section, item, value, source=""):
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if section not in self:
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self._data[section] = sortdict()
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self._data[section][item] = (value, source)
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def read(self, path, fp=None):
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sectionre = re.compile(r'\[([^\[]+)\]')
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itemre = re.compile(r'([^=\s]+)\s*=\s*(.*)')
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contre = re.compile(r'\s+(\S.*)')
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emptyre = re.compile(r'(;|#|\s*$)')
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section = ""
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item = None
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line = 0
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cont = 0
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if not fp:
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fp = open(path)
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for l in fp:
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line += 1
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if cont:
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m = contre.match(l)
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if m:
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v = self.get(section, item) + "\n" + m.group(1)
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self.set(section, item, v, "%s:%d" % (path, line))
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continue
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item = None
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if emptyre.match(l):
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continue
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m = sectionre.match(l)
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if m:
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section = m.group(1)
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if section not in self:
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self._data[section] = sortdict()
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continue
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m = itemre.match(l)
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if m:
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item = m.group(1)
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self.set(section, item, m.group(2), "%s:%d" % (path, line))
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cont = 1
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continue
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raise error.ConfigError(_('config error at %s:%d: \'%s\'')
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% (path, line, l.rstrip()))
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