137 lines
4.6 KiB
Python
137 lines
4.6 KiB
Python
# config.py - configuration parsing for Mercurial
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#
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# Copyright 2009 Matt Mackall <mpm@selenic.com> and others
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2, incorporated herein by reference.
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from i18n import _
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import error
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import re, os
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class sortdict(dict):
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'a simple 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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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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def __delitem__(self, key):
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dict.__delitem__(self, key)
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self._list.remove(key)
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class config(object):
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def __init__(self, data=None):
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self._data = {}
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self._source = {}
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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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self._source = data._source.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 __getitem__(self, section):
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return self._data.get(section, {})
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def __iter__(self):
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for d in self.sections():
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yield d
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def update(self, src):
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for s in src:
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if s not in self:
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self._data[s] = sortdict()
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self._data[s].update(src._data[s])
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self._source.update(src._source)
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def get(self, section, item, default=None):
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return self._data.get(section, {}).get(item, default)
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def source(self, section, item):
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return self._source.get((section, item), "")
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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 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
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self._source[(section, item)] = source
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def parse(self, src, data, sections=None, remap=None, include=None):
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sectionre = re.compile(r'\[([^\[]+)\]')
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itemre = re.compile(r'([^=\s][^=]*?)\s*=\s*(.*\S|)')
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contre = re.compile(r'\s+(\S.*\S)')
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emptyre = re.compile(r'(;|#|\s*$)')
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unsetre = re.compile(r'%unset\s+(\S+)')
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includere = re.compile(r'%include\s+(\S.*\S)')
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section = ""
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item = None
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line = 0
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cont = False
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for l in data.splitlines(True):
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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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if sections and section not in sections:
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continue
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v = self.get(section, item) + "\n" + m.group(1)
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self.set(section, item, v, "%s:%d" % (src, line))
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continue
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item = None
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m = includere.match(l)
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if m:
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inc = m.group(1)
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base = os.path.dirname(src)
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inc = os.path.normpath(os.path.join(base, inc))
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if include:
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include(inc, remap=remap, sections=sections)
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continue
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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 remap:
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section = remap.get(section, section)
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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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cont = True
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if sections and section not in sections:
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continue
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self.set(section, item, m.group(2), "%s:%d" % (src, line))
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continue
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m = unsetre.match(l)
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if m:
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name = m.group(1)
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if sections and section not in sections:
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continue
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if self.get(section, name) != None:
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del self._data[section][name]
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continue
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raise error.ConfigError(_("config error at %s:%d: '%s'")
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% (src, line, l.rstrip()))
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def read(self, path, fp=None, sections=None, remap=None):
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if not fp:
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fp = open(path)
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self.parse(path, fp.read(), sections, remap, self.read)
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