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#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file
import copy, re, os
from waflib import Logs, Utils
re_imp = re.compile(r'^(#)*?([^#=]*?)\ =\ (.*?)$', re.M)
class ConfigSet(object):
__slots__ = ('table', 'parent')
def __init__(self, filename=None):
self.table = {}
if filename:
self.load(filename)
def __contains__(self, key):
if key in self.table:
return True
try:
return self.parent.__contains__(key)
except AttributeError:
return False
def keys(self):
keys = set()
cur = self
while cur:
keys.update(cur.table.keys())
cur = getattr(cur, 'parent', None)
keys = list(keys)
keys.sort()
return keys
def __iter__(self):
return iter(self.keys())
def __str__(self):
return "\n".join(["%r %r" % (x, self.__getitem__(x)) for x in self.keys()])
def __getitem__(self, key):
try:
while 1:
x = self.table.get(key)
if not x is None:
return x
self = self.parent
except AttributeError:
return []
def __setitem__(self, key, value):
self.table[key] = value
def __delitem__(self, key):
self[key] = []
def __getattr__(self, name):
if name in self.__slots__:
return object.__getattribute__(self, name)
else:
return self[name]
def __setattr__(self, name, value):
if name in self.__slots__:
object.__setattr__(self, name, value)
else:
self[name] = value
def __delattr__(self, name):
if name in self.__slots__:
object.__delattr__(self, name)
else:
del self[name]
def derive(self):
newenv = ConfigSet()
newenv.parent = self
return newenv
def detach(self):
tbl = self.get_merged_dict()
try:
delattr(self, 'parent')
except AttributeError:
pass
else:
keys = tbl.keys()
for x in keys:
tbl[x] = copy.deepcopy(tbl[x])
self.table = tbl
return self
def get_flat(self, key):
s = self[key]
if isinstance(s, str):
return s
return ' '.join(s)
def _get_list_value_for_modification(self, key):
try:
value = self.table[key]
except KeyError:
try:
value = self.parent[key]
except AttributeError:
value = []
else:
if isinstance(value, list):
value = value[:]
else:
value = [value]
self.table[key] = value
else:
if not isinstance(value, list):
self.table[key] = value = [value]
return value
def append_value(self, var, val):
if isinstance(val, str):
val = [val]
current_value = self._get_list_value_for_modification(var)
current_value.extend(val)
def prepend_value(self, var, val):
if isinstance(val, str):
val = [val]
self.table[var] = val + self._get_list_value_for_modification(var)
def append_unique(self, var, val):
if isinstance(val, str):
val = [val]
current_value = self._get_list_value_for_modification(var)
for x in val:
if x not in current_value:
current_value.append(x)
def get_merged_dict(self):
table_list = []
env = self
while 1:
table_list.insert(0, env.table)
try:
env = env.parent
except AttributeError:
break
merged_table = {}
for table in table_list:
merged_table.update(table)
return merged_table
def store(self, filename):
try:
os.makedirs(os.path.split(filename)[0])
except OSError:
pass
buf = []
merged_table = self.get_merged_dict()
keys = list(merged_table.keys())
keys.sort()
try:
fun = ascii
except NameError:
fun = repr
for k in keys:
if k != 'undo_stack':
buf.append('%s = %s\n' % (k, fun(merged_table[k])))
Utils.writef(filename, ''.join(buf))
def load(self, filename):
tbl = self.table
code = Utils.readf(filename, m='r')
for m in re_imp.finditer(code):
g = m.group
tbl[g(2)] = eval(g(3))
Logs.debug('env: %s', self.table)
def update(self, d):
self.table.update(d)
def stash(self):
orig = self.table
tbl = self.table = self.table.copy()
for x in tbl.keys():
tbl[x] = copy.deepcopy(tbl[x])
self.undo_stack = self.undo_stack + [orig]
def commit(self):
self.undo_stack.pop(-1)
def revert(self):
self.table = self.undo_stack.pop(-1)
|
