diff options
Diffstat (limited to 'engine/SCons/Builder.py')
| -rw-r--r-- | engine/SCons/Builder.py | 111 |
1 files changed, 55 insertions, 56 deletions
diff --git a/engine/SCons/Builder.py b/engine/SCons/Builder.py index 7a9a028..3b4f2e8 100644 --- a/engine/SCons/Builder.py +++ b/engine/SCons/Builder.py @@ -96,12 +96,10 @@ There are the following methods for internal use within this module: # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# -__revision__ = "src/engine/SCons/Builder.py 4720 2010/03/24 03:14:11 jars" +__revision__ = "src/engine/SCons/Builder.py 5023 2010/06/14 22:05:46 scons" -import UserDict -import UserList +import collections import SCons.Action from SCons.Debug import logInstanceCreation @@ -113,17 +111,16 @@ import SCons.Node.FS import SCons.Util import SCons.Warnings -class _Null: +class _Null(object): pass _null = _Null def match_splitext(path, suffixes = []): if suffixes: - matchsuf = filter(lambda S,path=path: path[-len(S):] == S, - suffixes) + matchsuf = [S for S in suffixes if path[-len(S):] == S] if matchsuf: - suf = max(map(None, map(len, matchsuf), matchsuf))[1] + suf = max([(len(_f),_f) for _f in matchsuf])[1] return [path[:-len(suf)], path[-len(suf):]] return SCons.Util.splitext(path) @@ -139,7 +136,7 @@ class DictCmdGenerator(SCons.Util.Selector): self.source_ext_match = source_ext_match def src_suffixes(self): - return self.keys() + return list(self.keys()) def add_action(self, suffix, action): """Add a suffix-action pair to the mapping. @@ -156,22 +153,25 @@ class DictCmdGenerator(SCons.Util.Selector): for src in map(str, source): my_ext = match_splitext(src, suffixes)[1] if ext and my_ext != ext: - raise UserError("While building `%s' from `%s': Cannot build multiple sources with different extensions: %s, %s" % (repr(map(str, target)), src, ext, my_ext)) + raise UserError("While building `%s' from `%s': Cannot build multiple sources with different extensions: %s, %s" + % (repr(list(map(str, target))), src, ext, my_ext)) ext = my_ext else: ext = match_splitext(str(source[0]), self.src_suffixes())[1] if not ext: #return ext - raise UserError("While building `%s': Cannot deduce file extension from source files: %s" % (repr(map(str, target)), repr(map(str, source)))) + raise UserError("While building `%s': " + "Cannot deduce file extension from source files: %s" + % (repr(list(map(str, target))), repr(list(map(str, source))))) try: ret = SCons.Util.Selector.__call__(self, env, source, ext) except KeyError, e: - raise UserError("Ambiguous suffixes after environment substitution: %s == %s == %s" % (e[0], e[1], e[2])) + raise UserError("Ambiguous suffixes after environment substitution: %s == %s == %s" % (e.args[0], e.args[1], e.args[2])) if ret is None: raise UserError("While building `%s' from `%s': Don't know how to build from a source file with suffix `%s'. Expected a suffix in this list: %s." % \ - (repr(map(str, target)), repr(map(str, source)), ext, repr(self.keys()))) + (repr(list(map(str, target))), repr(list(map(str, source))), ext, repr(list(self.keys())))) return ret class CallableSelector(SCons.Util.Selector): @@ -197,7 +197,7 @@ class DictEmitter(SCons.Util.Selector): target, source = emitter(target, source, env) return (target, source) -class ListEmitter(UserList.UserList): +class ListEmitter(collections.UserList): """A callable list of emitters that calls each in sequence, returning the result. """ @@ -215,7 +215,7 @@ misleading_keywords = { 'sources' : 'source', } -class OverrideWarner(UserDict.UserDict): +class OverrideWarner(collections.UserDict): """A class for warning about keyword arguments that we use as overrides in a Builder call. @@ -224,14 +224,14 @@ class OverrideWarner(UserDict.UserDict): warnings once, no matter how many Builders are invoked. """ def __init__(self, dict): - UserDict.UserDict.__init__(self, dict) + collections.UserDict.__init__(self, dict) if __debug__: logInstanceCreation(self, 'Builder.OverrideWarner') self.already_warned = None def warn(self): if self.already_warned: return for k in self.keys(): - if misleading_keywords.has_key(k): + if k in misleading_keywords: alt = misleading_keywords[k] msg = "Did you mean to use `%s' instead of `%s'?" % (alt, k) SCons.Warnings.warn(SCons.Warnings.MisleadingKeywordsWarning, msg) @@ -240,14 +240,14 @@ class OverrideWarner(UserDict.UserDict): def Builder(**kw): """A factory for builder objects.""" composite = None - if kw.has_key('generator'): - if kw.has_key('action'): - raise UserError, "You must not specify both an action and a generator." + if 'generator' in kw: + if 'action' in kw: + raise UserError("You must not specify both an action and a generator.") kw['action'] = SCons.Action.CommandGeneratorAction(kw['generator'], {}) del kw['generator'] - elif kw.has_key('action'): + elif 'action' in kw: source_ext_match = kw.get('source_ext_match', 1) - if kw.has_key('source_ext_match'): + if 'source_ext_match' in kw: del kw['source_ext_match'] if SCons.Util.is_Dict(kw['action']): composite = DictCmdGenerator(kw['action'], source_ext_match) @@ -256,7 +256,7 @@ def Builder(**kw): else: kw['action'] = SCons.Action.Action(kw['action']) - if kw.has_key('emitter'): + if 'emitter' in kw: emitter = kw['emitter'] if SCons.Util.is_String(emitter): # This allows users to pass in an Environment @@ -265,14 +265,14 @@ def Builder(**kw): # a callable to use as the actual emitter. var = SCons.Util.get_environment_var(emitter) if not var: - raise UserError, "Supplied emitter '%s' does not appear to refer to an Environment variable" % emitter + raise UserError("Supplied emitter '%s' does not appear to refer to an Environment variable" % emitter) kw['emitter'] = EmitterProxy(var) elif SCons.Util.is_Dict(emitter): kw['emitter'] = DictEmitter(emitter) elif SCons.Util.is_List(emitter): kw['emitter'] = ListEmitter(emitter) - result = apply(BuilderBase, (), kw) + result = BuilderBase(**kw) if not composite is None: result = CompositeBuilder(result, composite) @@ -289,7 +289,7 @@ def _node_errors(builder, env, tlist, slist): # were specified. for t in tlist: if t.side_effect: - raise UserError, "Multiple ways to build the same target were specified for: %s" % t + raise UserError("Multiple ways to build the same target were specified for: %s" % t) if t.has_explicit_builder(): if not t.env is None and not t.env is env: action = t.builder.action @@ -301,24 +301,24 @@ def _node_errors(builder, env, tlist, slist): SCons.Warnings.warn(SCons.Warnings.DuplicateEnvironmentWarning, msg) else: msg = "Two environments with different actions were specified for the same target: %s" % t - raise UserError, msg + raise UserError(msg) if builder.multi: if t.builder != builder: msg = "Two different builders (%s and %s) were specified for the same target: %s" % (t.builder.get_name(env), builder.get_name(env), t) - raise UserError, msg + raise UserError(msg) # TODO(batch): list constructed each time! if t.get_executor().get_all_targets() != tlist: - msg = "Two different target lists have a target in common: %s (from %s and from %s)" % (t, map(str, t.get_executor().get_all_targets()), map(str, tlist)) - raise UserError, msg + msg = "Two different target lists have a target in common: %s (from %s and from %s)" % (t, list(map(str, t.get_executor().get_all_targets())), list(map(str, tlist))) + raise UserError(msg) elif t.sources != slist: - msg = "Multiple ways to build the same target were specified for: %s (from %s and from %s)" % (t, map(str, t.sources), map(str, slist)) - raise UserError, msg + msg = "Multiple ways to build the same target were specified for: %s (from %s and from %s)" % (t, list(map(str, t.sources)), list(map(str, slist))) + raise UserError(msg) if builder.single_source: if len(slist) > 1: - raise UserError, "More than one source given for single-source builder: targets=%s sources=%s" % (map(str,tlist), map(str,slist)) + raise UserError("More than one source given for single-source builder: targets=%s sources=%s" % (list(map(str,tlist)), list(map(str,slist)))) -class EmitterProxy: +class EmitterProxy(object): """This is a callable class that can act as a Builder emitter. It holds on to a string that is a key into an Environment dictionary, and will @@ -334,7 +334,7 @@ class EmitterProxy: # Recursively substitute the variable. # We can't use env.subst() because it deals only # in strings. Maybe we should change that? - while SCons.Util.is_String(emitter) and env.has_key(emitter): + while SCons.Util.is_String(emitter) and emitter in env: emitter = env[emitter] if callable(emitter): target, source = emitter(target, source, env) @@ -348,7 +348,7 @@ class EmitterProxy: def __cmp__(self, other): return cmp(self.var, other.var) -class BuilderBase: +class BuilderBase(object): """Base class for Builders, objects that create output nodes (files) from input nodes (files). """ @@ -387,14 +387,14 @@ class BuilderBase: suffix = CallableSelector(suffix) self.env = env self.single_source = single_source - if overrides.has_key('overrides'): - SCons.Warnings.warn(SCons.Warnings.DeprecatedWarning, + if 'overrides' in overrides: + SCons.Warnings.warn(SCons.Warnings.DeprecatedBuilderKeywordsWarning, "The \"overrides\" keyword to Builder() creation has been deprecated;\n" +\ "\tspecify the items as keyword arguments to the Builder() call instead.") overrides.update(overrides['overrides']) del overrides['overrides'] - if overrides.has_key('scanner'): - SCons.Warnings.warn(SCons.Warnings.DeprecatedWarning, + if 'scanner' in overrides: + SCons.Warnings.warn(SCons.Warnings.DeprecatedBuilderKeywordsWarning, "The \"scanner\" keyword to Builder() creation has been deprecated;\n" "\tuse: source_scanner or target_scanner as appropriate.") del overrides['scanner'] @@ -427,7 +427,7 @@ class BuilderBase: self.src_builder = src_builder def __nonzero__(self): - raise InternalError, "Do not test for the Node.builder attribute directly; use Node.has_builder() instead" + raise InternalError("Do not test for the Node.builder attribute directly; use Node.has_builder() instead") def get_name(self, env): """Attempts to get the name of the Builder. @@ -438,8 +438,8 @@ class BuilderBase: name (if there is one) or the name of the class (by default).""" try: - index = env['BUILDERS'].values().index(self) - return env['BUILDERS'].keys()[index] + index = list(env['BUILDERS'].values()).index(self) + return list(env['BUILDERS'].keys())[index] except (AttributeError, KeyError, TypeError, ValueError): try: return self.name @@ -493,7 +493,7 @@ class BuilderBase: except IndexError: tlist = [] else: - splitext = lambda S,self=self,env=env: self.splitext(S,env) + splitext = lambda S: self.splitext(S,env) tlist = [ t_from_s(pre, suf, splitext) ] else: target = self._adjustixes(target, pre, suf, self.ensure_suffix) @@ -573,8 +573,8 @@ class BuilderBase: if executor is None: if not self.action: fmt = "Builder %s must have an action to build %s." - raise UserError, fmt % (self.get_name(env or self.env), - map(str,tlist)) + raise UserError(fmt % (self.get_name(env or self.env), + list(map(str,tlist)))) key = self.action.batch_key(env or self.env, tlist, slist) if key: try: @@ -611,7 +611,7 @@ class BuilderBase: ekw = self.executor_kw.copy() ekw['chdir'] = chdir if kw: - if kw.has_key('srcdir'): + if 'srcdir' in kw: def prependDirIfRelative(f, srcdir=kw['srcdir']): import os.path if SCons.Util.is_String(f) and not os.path.isabs(f): @@ -619,7 +619,7 @@ class BuilderBase: return f if not SCons.Util.is_List(source): source = [source] - source = map(prependDirIfRelative, source) + source = list(map(prependDirIfRelative, source)) del kw['srcdir'] if self.overrides: env_kw = self.overrides.copy() @@ -658,9 +658,7 @@ class BuilderBase: src_suffix = [] elif not SCons.Util.is_List(src_suffix): src_suffix = [ src_suffix ] - adjust = lambda suf, s=self: \ - callable(suf) and suf or s.adjust_suffix(suf) - self.src_suffix = map(adjust, src_suffix) + self.src_suffix = [callable(suf) and suf or self.adjust_suffix(suf) for suf in src_suffix] def get_src_suffix(self, env): """Get the first src_suffix in the list of src_suffixes.""" @@ -723,7 +721,7 @@ class BuilderBase: lengths = list(set(map(len, src_suffixes))) def match_src_suffix(name, src_suffixes=src_suffixes, lengths=lengths): - node_suffixes = map(lambda l, n=name: n[-l:], lengths) + node_suffixes = [name[-l:] for l in lengths] for suf in src_suffixes: if suf in node_suffixes: return suf @@ -749,8 +747,7 @@ class BuilderBase: # target, then filter out any sources that this # Builder isn't capable of building. if len(tlist) > 1: - mss = lambda t, m=match_src_suffix: m(t.name) - tlist = filter(mss, tlist) + tlist = [t for t in tlist if match_src_suffix(t.name)] result.extend(tlist) else: result.append(s) @@ -819,7 +816,7 @@ class BuilderBase: return memo_dict[memo_key] except KeyError: pass - suffixes = map(lambda x, s=self, e=env: e.subst(x), self.src_suffix) + suffixes = [env.subst(x) for x in self.src_suffix] memo_dict[memo_key] = suffixes return suffixes @@ -838,7 +835,7 @@ class BuilderBase: sdict[s] = 1 for builder in self.get_src_builders(env): for s in builder.src_suffixes(env): - if not sdict.has_key(s): + if s not in sdict: sdict[s] = 1 suffixes.append(s) return suffixes @@ -857,6 +854,8 @@ class CompositeBuilder(SCons.Util.Proxy): self.cmdgen = cmdgen self.builder = builder + __call__ = SCons.Util.Delegate('__call__') + def add_action(self, suffix, action): self.cmdgen.add_action(suffix, action) self.set_src_suffix(self.cmdgen.src_suffixes()) |