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nexedi
slapos.buildout
Commits
d32669a0
Commit
d32669a0
authored
Mar 17, 2013
by
Jim Fulton
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Formatting and minor refactoring of defau;t globals arg.
parent
c39cdf2a
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1
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src/zc/buildout/configparser.py
src/zc/buildout/configparser.py
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src/zc/buildout/configparser.py
View file @
d32669a0
...
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@@ -111,7 +111,7 @@ option_start = re.compile(
leading_blank_lines = re.compile(r"^(
\
s*
\
n)+")
def parse(fp, fpname, exp_globals=
None
):
def parse(fp, fpname, exp_globals=
dict
):
"""Parse a sectioned setup file.
The sections in setup files contain a title line at the top,
...
...
@@ -176,18 +176,22 @@ def parse(fp, fpname, exp_globals=None):
if expression:
# normalize tail comments to Python style
tail = tail.replace(';', '#') if tail else ''
# un-escape literal # and ; . Do not use a string-escape decode
# un-escape literal # and ; . Do not use a
# string-escape decode
expr = expression.replace(r'
\
x23
','#').replace(r'x3b', ';')
# rebuild a valid Python expression wrapped in a list
expr = head + expr + tail
# lazily populate context only expression
if not context:
context = exp_globals()
if exp_globals else {}
context = exp_globals()
# evaluated expression is in list: get first element
section_condition = eval(expr, context)[0]
# finally, ignore section when an expression evaluates to false
# finally, ignore section when an expression
# evaluates to false
if not section_condition:
logger.debug('Ignoring section %(sectname)r with [expression]: %(expression)r' % locals())
logger.debug(
'Ignoring section %(sectname)r with [expression]:'
' %(expression)r' % locals())
continue
if sectname in sections:
...
...
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