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reproduce behavior from normal lookups for ${} syntax

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This commit is contained in:
adam j hartz 2016-01-10 19:54:20 -05:00
parent da0e76af2f
commit 1988b86719
1 changed files with 15 additions and 7 deletions
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22
xonsh/parser.py
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@ -2314,7 +2314,6 @@ class Parser(object):
lineno=lineno,
col_offset=col)
def _envvar_by_name(self, var, lineno=None, col=None):
"""Looks up a xonsh variable by name."""
xenv = self._xenv(lineno=lineno, col=col)
@ -2461,12 +2460,21 @@ class Parser(object):
p0._cliarg_action = 'extend'
elif p1 == '${':
xenv = self._xenv(lineno=self.lineno, col=self.col)
idx = ast.Index(value=p[2])
p0 = ast.Subscript(value=xenv,
slice=idx,
ctx=ast.Load(),
lineno=self.lineno,
col_offset=self.col)
func = ast.Attribute(value=xenv,
attr='get',
ctx = ast.Load(),
lineno=self.lineno,
col_offset=self.col)
p0 = ast.Call(func=func,
args=[p[2],
ast.Str(s='',
lineno=self.lineno,
col_offset=self.col)],
keywords=[],
starargs=None,
kwargs=None,
lineno=self.lineno,
col_offset=self.col)
p0._cliarg_action = 'append'
elif p1 == '$(':
p0 = xonsh_call('__xonsh_subproc_captured__',