config.py
93 lines
| 3.1 KiB
| text/x-python
|
PythonLexer
/ mercurial / config.py
|
r8144 | from i18n import _ | ||
import re, error | ||||
class sortdict(dict): | ||||
'a simple append-only sorted dictionary' | ||||
def __init__(self, data=None): | ||||
self._list = [] | ||||
if data: | ||||
if hasattr(data, '_list'): | ||||
self._list = list(data._list) | ||||
self.update(data) | ||||
def copy(self): | ||||
return sortdict(self) | ||||
def __setitem__(self, key, val): | ||||
if key in self: | ||||
self._list.remove(key) | ||||
self._list.append(key) | ||||
dict.__setitem__(self, key, val) | ||||
def __iter__(self): | ||||
return self._list.__iter__() | ||||
def update(self, src): | ||||
for k in src: | ||||
self[k] = src[k] | ||||
def items(self): | ||||
return [(k,self[k]) for k in self._list] | ||||
class config: | ||||
def __init__(self, data=None): | ||||
self._data = {} | ||||
if data: | ||||
for k in data._data: | ||||
self._data[k] = data[k].copy() | ||||
def copy(self): | ||||
return config(self) | ||||
def __contains__(self, section): | ||||
return section in self._data | ||||
def update(self, src, sections=None): | ||||
if not sections: | ||||
sections = src.sections() | ||||
for s in sections: | ||||
if s not in src: | ||||
continue | ||||
if s not in self: | ||||
self._data[s] = sortdict() | ||||
for k in src._data[s]: | ||||
self._data[s][k] = src._data[s][k] | ||||
def get(self, section, item, default=None): | ||||
return self._data.get(section, {}).get(item, (default, ""))[0] | ||||
def getsource(self, section, item): | ||||
return self._data.get(section, {}).get(item, (None, ""))[1] | ||||
def sections(self): | ||||
return sorted(self._data.keys()) | ||||
def items(self, section): | ||||
return [(k, v[0]) for k,v in self._data.get(section, {}).items()] | ||||
def set(self, section, item, value, source=""): | ||||
if section not in self: | ||||
self._data[section] = sortdict() | ||||
self._data[section][item] = (value, source) | ||||
def read(self, path, fp): | ||||
sectionre = re.compile(r'\[([^\[]+)\]') | ||||
itemre = re.compile(r'([^=\s]+)\s*=\s*(.*)') | ||||
contre = re.compile(r'\s+(\S.*)') | ||||
emptyre = re.compile(r'(;|#|\s*$)') | ||||
section = "" | ||||
item = None | ||||
line = 0 | ||||
cont = 0 | ||||
for l in fp: | ||||
line += 1 | ||||
if cont: | ||||
m = contre.match(l) | ||||
if m: | ||||
v = self.get(section, item) + "\n" + m.group(1) | ||||
self.set(section, item, v, "%s:%d" % (path, line)) | ||||
continue | ||||
item = None | ||||
if emptyre.match(l): | ||||
continue | ||||
m = sectionre.match(l) | ||||
if m: | ||||
section = m.group(1) | ||||
if section not in self: | ||||
self._data[section] = sortdict() | ||||
continue | ||||
m = itemre.match(l) | ||||
if m: | ||||
item = m.group(1) | ||||
self.set(section, item, m.group(2), "%s:%d" % (path, line)) | ||||
cont = 1 | ||||
continue | ||||
raise error.ConfigError(_('config error at %s:%d: \'%s\'') | ||||
% (path, line, l.rstrip())) | ||||