+ return None
+
+
+class StagingPathMapper(PathMapper):
+ # Note that StagingPathMapper internally maps files from target to source.
+ # Specifically, the 'self._pathmap' dict keys are the target location and the
+ # values are 'MapperEnt' named tuples from which we use the 'resolved' attribute
+ # as the file identifier. This makes it possible to map an input file to multiple
+ # target directories. The exception is for file literals, which store the contents of
+ # the file in 'MapperEnt.resolved' and are therefore still mapped from source to target.
+
+ _follow_dirs = True
+
+ def __init__(self, referenced_files, basedir, stagedir, separateDirs=True):
+ self.targets = set()
+ super(StagingPathMapper, self).__init__(referenced_files, basedir, stagedir, separateDirs)
+
+ def visit(self, obj, stagedir, basedir, copy=False, staged=False):
+ # type: (Dict[unicode, Any], unicode, unicode, bool) -> None
+ loc = obj["location"]
+ tgt = os.path.join(stagedir, obj["basename"])
+ basetgt, baseext = os.path.splitext(tgt)
+
+ def targetExists():
+ return tgt in self.targets and ("contents" not in obj) and (self._pathmap[tgt].resolved != loc)
+ def literalTargetExists():
+ return tgt in self.targets and "contents" in obj
+
+ n = 1
+ if targetExists() or literalTargetExists():
+ while tgt in self.targets:
+ n += 1
+ tgt = "%s_%i%s" % (basetgt, n, baseext)
+ self.targets.add(tgt)
+ if obj["class"] == "Directory":
+ if obj.get("writable"):
+ self._pathmap[tgt] = MapperEnt(loc, tgt, "WritableDirectory", staged)
+ else:
+ self._pathmap[tgt] = MapperEnt(loc, tgt, "Directory", staged)
+ if loc.startswith("_:") or self._follow_dirs:
+ self.visitlisting(obj.get("listing", []), tgt, basedir)
+ elif obj["class"] == "File":
+ if tgt in self._pathmap:
+ return
+ if "contents" in obj and loc.startswith("_:"):
+ self._pathmap[loc] = MapperEnt(obj["contents"], tgt, "CreateFile", staged)
+ else:
+ if copy or obj.get("writable"):
+ self._pathmap[tgt] = MapperEnt(loc, tgt, "WritableFile", staged)
+ else:
+ self._pathmap[tgt] = MapperEnt(loc, tgt, "File", staged)
+ self.visitlisting(obj.get("secondaryFiles", []), stagedir, basedir)
+
+ def mapper(self, src): # type: (Text) -> MapperEnt.
+ # Overridden to maintain the use case of mapping by source (identifier) to
+ # target regardless of how the map is structured interally.
+ def getMapperEnt(src):
+ for k,v in viewitems(self._pathmap):
+ if (v.type != "CreateFile" and v.resolved == src) or (v.type == "CreateFile" and k == src):
+ return v
+
+ if u"#" in src:
+ i = src.index(u"#")
+ v = getMapperEnt(src[i:])
+ return MapperEnt(v.resolved, v.target + src[i:], v.type, v.staged)
+ return getMapperEnt(src)
+
+
+class VwdPathMapper(StagingPathMapper):
+ def setup(self, referenced_files, basedir):
+ # type: (List[Any], unicode) -> None
+
+ # Go through each file and set the target to its own directory along
+ # with any secondary files.
+ self.visitlisting(referenced_files, self.stagedir, basedir)
+
+ for path, (ab, tgt, type, staged) in viewitems(self._pathmap):
+ if type in ("File", "Directory") and ab.startswith("keep:"):
+ self._pathmap[path] = MapperEnt("$(task.keep)/%s" % ab[5:], tgt, type, staged)
+
+
+class NoFollowPathMapper(StagingPathMapper):
+ _follow_dirs = False
+ def setup(self, referenced_files, basedir):
+ # type: (List[Any], unicode) -> None
+ self.visitlisting(referenced_files, self.stagedir, basedir)