def test_is_Tuple(self):
assert is_Tuple(())
try:
class mytuple(tuple):
pass
except TypeError:
pass
else:
assert is_Tuple(mytuple(()))
assert not is_Tuple([])
assert not is_Tuple({})
assert not is_Tuple("")
def sub_match(match, val=val, matchlist=matchlist):
a = match.group(1)
if a in matchlist:
a = val
if is_List(a) or is_Tuple(a):
return string.join(map(str, a))
else:
return str(a)
def scons_subst_once(strSubst, env, key):
"""Perform single (non-recursive) substitution of a single
construction variable keyword.
This is used when setting a variable when copying or overriding values
in an Environment. We want to capture (expand) the old value before
we override it, so people can do things like:
env2 = env.Clone(CCFLAGS = '$CCFLAGS -g')
We do this with some straightforward, brute-force code here...
"""
if type(strSubst) == types.StringType and string.find(strSubst, '$') < 0:
return strSubst
matchlist = ['$' + key, '${' + key + '}']
val = env.get(key, '')
def sub_match(match, val=val, matchlist=matchlist):
a = match.group(1)
if a in matchlist:
a = val
if is_List(a) or is_Tuple(a):
return string.join(map(str, a))
else:
return str(a)
if is_List(strSubst) or is_Tuple(strSubst):
result = []
for arg in strSubst:
if is_String(arg):
if arg in matchlist:
arg = val
if is_List(arg) or is_Tuple(arg):
result.extend(arg)
else:
result.append(arg)
else:
result.append(_dollar_exps.sub(sub_match, arg))
else:
result.append(arg)
return result
elif is_String(strSubst):
return _dollar_exps.sub(sub_match, strSubst)
else:
return strSubst
def sub_match(match, val=val, matchlist=matchlist):
a = match.group(1)
if a in matchlist:
a = val
if is_List(a) or is_Tuple(a):
return string.join(map(str, a))
else:
return str(a)
def scons_subst_once(strSubst, env, key):
"""Perform single (non-recursive) substitution of a single
construction variable keyword.
This is used when setting a variable when copying or overriding values
in an Environment. We want to capture (expand) the old value before
we override it, so people can do things like:
env2 = env.Clone(CCFLAGS = '$CCFLAGS -g')
We do this with some straightforward, brute-force code here...
"""
if type(strSubst) == types.StringType and string.find(strSubst, '$') < 0:
return strSubst
matchlist = ['$' + key, '${' + key + '}']
val = env.get(key, '')
def sub_match(match, val=val, matchlist=matchlist):
a = match.group(1)
if a in matchlist:
a = val
if is_List(a) or is_Tuple(a):
return string.join(map(str, a))
else:
return str(a)
if is_List(strSubst) or is_Tuple(strSubst):
result = []
for arg in strSubst:
if is_String(arg):
if arg in matchlist:
arg = val
if is_List(arg) or is_Tuple(arg):
result.extend(arg)
else:
result.append(arg)
else:
result.append(_dollar_exps.sub(sub_match, arg))
else:
result.append(arg)
return result
elif is_String(strSubst):
return _dollar_exps.sub(sub_match, strSubst)
else:
return strSubst
def _gen_nodelist(self):
list = self.list
if list is None:
list = []
elif not is_List(list) and not is_Tuple(list):
list = [list]
# The map(self.func) call is what actually turns
# a list into appropriate proxies.
self.nodelist = SCons.Util.NodeList(map(self.func, list))
self._create_nodelist = self._return_nodelist
return self.nodelist
def _gen_nodelist(self):
list = self.list
if list is None:
list = []
elif not is_List(list) and not is_Tuple(list):
list = [list]
# The map(self.func) call is what actually turns
# a list into appropriate proxies.
self.nodelist = SCons.Util.NodeList(map(self.func, list))
self._create_nodelist = self._return_nodelist
return self.nodelist
def scons_subst_list(strSubst,
env,
mode=SUBST_RAW,
target=None,
source=None,
gvars={},
lvars={},
conv=None):
"""Substitute construction variables in a string (or list or other
object) and separate the arguments into a command list.
The companion scons_subst() function (above) handles basic
substitutions within strings, so see that function instead
if that's what you're looking for.
"""
# try:
# Subst_List_Strings[strSubst] = Subst_List_Strings[strSubst] + 1
# except KeyError:
# Subst_List_Strings[strSubst] = 1
# import SCons.Debug
# SCons.Debug.caller(1)
class ListSubber(UserList.UserList):
"""A class to construct the results of a scons_subst_list() call.
Like StringSubber, this class binds a specific construction
environment, mode, target and source with two methods
(substitute() and expand()) that handle the expansion.
In addition, however, this class is used to track the state of
the result(s) we're gathering so we can do the appropriate thing
whenever we have to append another word to the result--start a new
line, start a new word, append to the current word, etc. We do
this by setting the "append" attribute to the right method so
that our wrapper methods only need ever call ListSubber.append(),
and the rest of the object takes care of doing the right thing
internally.
"""
def __init__(self, env, mode, target, source, conv, gvars):
UserList.UserList.__init__(self, [])
self.env = env
self.mode = mode
self.target = target
self.source = source
self.conv = conv
self.gvars = gvars
if self.mode == SUBST_RAW:
self.add_strip = lambda x, s=self: s.append(x)
else:
self.add_strip = lambda x, s=self: None
self.in_strip = None
self.next_line()
def expand(self, s, lvars, within_list):
"""Expand a single "token" as necessary, appending the
expansion to the current result.
This handles expanding different types of things (strings,
lists, callables) appropriately. It calls the wrapper
substitute() method to re-expand things as necessary, so that
the results of expansions of side-by-side strings still get
re-evaluated separately, not smushed together.
"""
if is_String(s):
try:
s0, s1 = s[:2]
except (IndexError, ValueError):
self.append(s)
return
if s0 != '$':
self.append(s)
return
if s1 == '$':
self.append('$')
elif s1 == '(':
self.open_strip('$(')
elif s1 == ')':
self.close_strip('$)')
else:
key = s[1:]
if key[0] == '{' or string.find(key, '.') >= 0:
if key[0] == '{':
key = key[1:-1]
try:
s = eval(key, self.gvars, lvars)
except KeyboardInterrupt:
raise
except Exception, e:
if e.__class__ in AllowableExceptions:
return
raise_exception(e, self.target, s)
else:
if lvars.has_key(key):
s = lvars[key]
elif self.gvars.has_key(key):
s = self.gvars[key]
elif not NameError in AllowableExceptions:
raise_exception(NameError(), self.target, s)
else:
return
# Before re-expanding the result, handle
# recursive expansion by copying the local
# variable dictionary and overwriting a null
# string for the value of the variable name
# we just expanded.
lv = lvars.copy()
var = string.split(key, '.')[0]
lv[var] = ''
self.substitute(s, lv, 0)
self.this_word()
elif is_List(s) or is_Tuple(s):
for a in s:
self.substitute(a, lvars, 1)
self.next_word()
def scons_subst(strSubst,
env,
mode=SUBST_RAW,
target=None,
source=None,
gvars={},
lvars={},
conv=None):
"""Expand a string containing construction variable substitutions.
This is the work-horse function for substitutions in file names
and the like. The companion scons_subst_list() function (below)
handles separating command lines into lists of arguments, so see
that function if that's what you're looking for.
"""
if type(strSubst) == types.StringType and string.find(strSubst, '$') < 0:
return strSubst
class StringSubber:
"""A class to construct the results of a scons_subst() call.
This binds a specific construction environment, mode, target and
source with two methods (substitute() and expand()) that handle
the expansion.
"""
def __init__(self, env, mode, target, source, conv, gvars):
self.env = env
self.mode = mode
self.target = target
self.source = source
self.conv = conv
self.gvars = gvars
def expand(self, s, lvars):
"""Expand a single "token" as necessary, returning an
appropriate string containing the expansion.
This handles expanding different types of things (strings,
lists, callables) appropriately. It calls the wrapper
substitute() method to re-expand things as necessary, so that
the results of expansions of side-by-side strings still get
re-evaluated separately, not smushed together.
"""
if is_String(s):
try:
s0, s1 = s[:2]
except (IndexError, ValueError):
return s
if s0 != '$':
return s
if s1 == '$':
return '$'
elif s1 in '()':
return s
else:
key = s[1:]
if key[0] == '{' or string.find(key, '.') >= 0:
if key[0] == '{':
key = key[1:-1]
try:
s = eval(key, self.gvars, lvars)
except KeyboardInterrupt:
raise
except Exception, e:
if e.__class__ in AllowableExceptions:
return ''
raise_exception(e, self.target, s)
else:
if lvars.has_key(key):
s = lvars[key]
elif self.gvars.has_key(key):
s = self.gvars[key]
elif not NameError in AllowableExceptions:
raise_exception(NameError(key), self.target, s)
else:
return ''
# Before re-expanding the result, handle
# recursive expansion by copying the local
# variable dictionary and overwriting a null
# string for the value of the variable name
# we just expanded.
#
# This could potentially be optimized by only
# copying lvars when s contains more expansions,
# but lvars is usually supposed to be pretty
# small, and deeply nested variable expansions
# are probably more the exception than the norm,
# so it should be tolerable for now.
lv = lvars.copy()
var = string.split(key, '.')[0]
lv[var] = ''
return self.substitute(s, lv)
elif is_List(s) or is_Tuple(s):
def func(l,
conv=self.conv,
substitute=self.substitute,
lvars=lvars):
return conv(substitute(l, lvars))
r = map(func, s)
return string.join(r)
def scons_subst_list(strSubst, env, mode=SUBST_RAW, target=None, source=None, gvars={}, lvars={}, conv=None):
"""Substitute construction variables in a string (or list or other
object) and separate the arguments into a command list.
The companion scons_subst() function (above) handles basic
substitutions within strings, so see that function instead
if that's what you're looking for.
"""
# try:
# Subst_List_Strings[strSubst] = Subst_List_Strings[strSubst] + 1
# except KeyError:
# Subst_List_Strings[strSubst] = 1
# import SCons.Debug
# SCons.Debug.caller(1)
class ListSubber(UserList.UserList):
"""A class to construct the results of a scons_subst_list() call.
Like StringSubber, this class binds a specific construction
environment, mode, target and source with two methods
(substitute() and expand()) that handle the expansion.
In addition, however, this class is used to track the state of
the result(s) we're gathering so we can do the appropriate thing
whenever we have to append another word to the result--start a new
line, start a new word, append to the current word, etc. We do
this by setting the "append" attribute to the right method so
that our wrapper methods only need ever call ListSubber.append(),
and the rest of the object takes care of doing the right thing
internally.
"""
def __init__(self, env, mode, target, source, conv, gvars):
UserList.UserList.__init__(self, [])
self.env = env
self.mode = mode
self.target = target
self.source = source
self.conv = conv
self.gvars = gvars
if self.mode == SUBST_RAW:
self.add_strip = lambda x, s=self: s.append(x)
else:
self.add_strip = lambda x, s=self: None
self.in_strip = None
self.next_line()
def expand(self, s, lvars, within_list):
"""Expand a single "token" as necessary, appending the
expansion to the current result.
This handles expanding different types of things (strings,
lists, callables) appropriately. It calls the wrapper
substitute() method to re-expand things as necessary, so that
the results of expansions of side-by-side strings still get
re-evaluated separately, not smushed together.
"""
if is_String(s):
try:
s0, s1 = s[:2]
except (IndexError, ValueError):
self.append(s)
return
if s0 != '$':
self.append(s)
return
if s1 == '$':
self.append('$')
elif s1 == '(':
self.open_strip('$(')
elif s1 == ')':
self.close_strip('$)')
else:
key = s[1:]
if key[0] == '{' or string.find(key, '.') >= 0:
if key[0] == '{':
key = key[1:-1]
try:
s = eval(key, self.gvars, lvars)
except KeyboardInterrupt:
raise
except Exception, e:
if e.__class__ in AllowableExceptions:
return
raise_exception(e, self.target, s)
else:
if lvars.has_key(key):
s = lvars[key]
elif self.gvars.has_key(key):
s = self.gvars[key]
elif not NameError in AllowableExceptions:
raise_exception(NameError(), self.target, s)
else:
return
# Before re-expanding the result, handle
# recursive expansion by copying the local
# variable dictionary and overwriting a null
# string for the value of the variable name
# we just expanded.
lv = lvars.copy()
var = string.split(key, '.')[0]
lv[var] = ''
self.substitute(s, lv, 0)
self.this_word()
elif is_List(s) or is_Tuple(s):
for a in s:
self.substitute(a, lvars, 1)
self.next_word()
def scons_subst(strSubst, env, mode=SUBST_RAW, target=None, source=None, gvars={}, lvars={}, conv=None):
"""Expand a string containing construction variable substitutions.
This is the work-horse function for substitutions in file names
and the like. The companion scons_subst_list() function (below)
handles separating command lines into lists of arguments, so see
that function if that's what you're looking for.
"""
if type(strSubst) == types.StringType and string.find(strSubst, '$') < 0:
return strSubst
class StringSubber:
"""A class to construct the results of a scons_subst() call.
This binds a specific construction environment, mode, target and
source with two methods (substitute() and expand()) that handle
the expansion.
"""
def __init__(self, env, mode, target, source, conv, gvars):
self.env = env
self.mode = mode
self.target = target
self.source = source
self.conv = conv
self.gvars = gvars
def expand(self, s, lvars):
"""Expand a single "token" as necessary, returning an
appropriate string containing the expansion.
This handles expanding different types of things (strings,
lists, callables) appropriately. It calls the wrapper
substitute() method to re-expand things as necessary, so that
the results of expansions of side-by-side strings still get
re-evaluated separately, not smushed together.
"""
if is_String(s):
try:
s0, s1 = s[:2]
except (IndexError, ValueError):
return s
if s0 != '$':
return s
if s1 == '$':
return '$'
elif s1 in '()':
return s
else:
key = s[1:]
if key[0] == '{' or string.find(key, '.') >= 0:
if key[0] == '{':
key = key[1:-1]
try:
s = eval(key, self.gvars, lvars)
except KeyboardInterrupt:
raise
except Exception, e:
if e.__class__ in AllowableExceptions:
return ''
raise_exception(e, self.target, s)
else:
if lvars.has_key(key):
s = lvars[key]
elif self.gvars.has_key(key):
s = self.gvars[key]
elif not NameError in AllowableExceptions:
raise_exception(NameError(key), self.target, s)
else:
return ''
# Before re-expanding the result, handle
# recursive expansion by copying the local
# variable dictionary and overwriting a null
# string for the value of the variable name
# we just expanded.
#
# This could potentially be optimized by only
# copying lvars when s contains more expansions,
# but lvars is usually supposed to be pretty
# small, and deeply nested variable expansions
# are probably more the exception than the norm,
# so it should be tolerable for now.
lv = lvars.copy()
var = string.split(key, '.')[0]
lv[var] = ''
return self.substitute(s, lv)
elif is_List(s) or is_Tuple(s):
def func(l, conv=self.conv, substitute=self.substitute, lvars=lvars):
return conv(substitute(l, lvars))
r = map(func, s)
return string.join(r)
# recursive expansion by copying the local
# variable dictionary and overwriting a null
# string for the value of the variable name
# we just expanded.
#
# This could potentially be optimized by only
# copying lvars when s contains more expansions,
# but lvars is usually supposed to be pretty
# small, and deeply nested variable expansions
# are probably more the exception than the norm,
# so it should be tolerable for now.
lv = lvars.copy()
var = string.split(key, '.')[0]
lv[var] = ''
return self.substitute(s, lv)
elif is_List(s) or is_Tuple(s):
def func(l, conv=self.conv, substitute=self.substitute, lvars=lvars):
return conv(substitute(l, lvars))
r = map(func, s)
return string.join(r)
elif callable(s):
try:
s = s(target=self.target,
source=self.source,
env=self.env,
for_signature=(self.mode != SUBST_CMD))
except TypeError:
# This probably indicates that it's a callable
# object that doesn't match our calling arguments
# (like an Action).
s = str(s)
# recursive expansion by copying the local
# variable dictionary and overwriting a null
# string for the value of the variable name
# we just expanded.
#
# This could potentially be optimized by only
# copying lvars when s contains more expansions,
# but lvars is usually supposed to be pretty
# small, and deeply nested variable expansions
# are probably more the exception than the norm,
# so it should be tolerable for now.
lv = lvars.copy()
var = string.split(key, '.')[0]
lv[var] = ''
return self.substitute(s, lv)
elif is_List(s) or is_Tuple(s):
def func(l, conv=self.conv, substitute=self.substitute, lvars=lvars):
return conv(substitute(l, lvars))
r = map(func, s)
return string.join(r)
elif callable(s):
try:
s = s(target=self.target,
source=self.source,
env=self.env,
for_signature=(self.mode != SUBST_CMD))
except TypeError:
# This probably indicates that it's a callable
# object that doesn't match our calling arguments
# (like an Action).
s = str(s)