13306: Changes to arvados-cwl-runner code after running futurize --stage2
[arvados.git] / sdk / cwl / arvados_cwl / pathmapper.py
index d083b78f5a061906164a5978530af9230e767473..7353d7239c2578622e7c409bd829d5e9e5fb1e80 100644 (file)
@@ -1,3 +1,7 @@
+from future import standard_library
+standard_library.install_aliases()
+from builtins import str
+from past.builtins import basestring
 # Copyright (C) The Arvados Authors. All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0
@@ -6,9 +10,9 @@ import re
 import logging
 import uuid
 import os
-import urllib
+import urllib.request, urllib.parse, urllib.error
 
-from arvados_cwl.util import get_current_container, get_intermediate_collection_info
+import arvados_cwl.util
 import arvados.commands.run
 import arvados.collection
 
@@ -60,7 +64,7 @@ class ArvPathMapper(PathMapper):
             src = src[:src.index("#")]
 
         if isinstance(src, basestring) and ArvPathMapper.pdh_dirpath.match(src):
-            self._pathmap[src] = MapperEnt(src, self.collection_pattern % urllib.unquote(src[5:]), srcobj["class"], True)
+            self._pathmap[src] = MapperEnt(src, self.collection_pattern % urllib.parse.unquote(src[5:]), srcobj["class"], True)
 
         debug = logger.isEnabledFor(logging.DEBUG)
 
@@ -77,7 +81,7 @@ class ArvPathMapper(PathMapper):
                     if isinstance(st, arvados.commands.run.UploadFile):
                         uploadfiles.add((src, ab, st))
                     elif isinstance(st, arvados.commands.run.ArvFile):
-                        self._pathmap[src] = MapperEnt(st.fn, self.collection_pattern % urllib.unquote(st.fn[5:]), "File", True)
+                        self._pathmap[src] = MapperEnt(st.fn, self.collection_pattern % urllib.parse.unquote(st.fn[5:]), "File", True)
                     else:
                         raise WorkflowException("Input file path '%s' is invalid" % st)
             elif src.startswith("_:"):
@@ -119,6 +123,39 @@ class ArvPathMapper(PathMapper):
         else:
             raise SourceLine(obj, "location", WorkflowException).makeError("Don't know what to do with '%s'" % obj["location"])
 
+    def needs_new_collection(self, srcobj, prefix=""):
+        """Check if files need to be staged into a new collection.
+
+        If all the files are in the same collection and in the same
+        paths they would be staged to, return False.  Otherwise, a new
+        collection is needed with files copied/created in the
+        appropriate places.
+        """
+
+        loc = srcobj["location"]
+        if loc.startswith("_:"):
+            return True
+        if prefix:
+            if loc != prefix+srcobj["basename"]:
+                return True
+        else:
+            i = loc.rfind("/")
+            if i > -1:
+                prefix = loc[:i+1]
+            else:
+                prefix = loc+"/"
+        if srcobj["class"] == "File" and loc not in self._pathmap:
+            return True
+        for s in srcobj.get("secondaryFiles", []):
+            if self.needs_new_collection(s, prefix):
+                return True
+        if srcobj.get("listing"):
+            prefix = "%s%s/" % (prefix, srcobj["basename"])
+            for l in srcobj["listing"]:
+                if self.needs_new_collection(l, prefix):
+                    return True
+        return False
+
     def setup(self, referenced_files, basedir):
         # type: (List[Any], unicode) -> None
         uploadfiles = set()
@@ -143,7 +180,7 @@ class ArvPathMapper(PathMapper):
                                          packed=False)
 
         for src, ab, st in uploadfiles:
-            self._pathmap[src] = MapperEnt(urllib.quote(st.fn, "/:+@"), self.collection_pattern % st.fn[5:],
+            self._pathmap[src] = MapperEnt(urllib.parse.quote(st.fn, "/:+@"), self.collection_pattern % st.fn[5:],
                                            "Directory" if os.path.isdir(ab) else "File", True)
 
         for srcobj in referenced_files:
@@ -155,8 +192,8 @@ class ArvPathMapper(PathMapper):
                 for l in srcobj.get("listing", []):
                     self.addentry(l, c, ".", remap)
 
-                container = get_current_container(self.arvrunner.api, self.arvrunner.num_retries, logger)
-                info = get_intermediate_collection_info(None, container, self.arvrunner.intermediate_output_ttl)
+                container = arvados_cwl.util.get_current_container(self.arvrunner.api, self.arvrunner.num_retries, logger)
+                info = arvados_cwl.util.get_intermediate_collection_info(None, container, self.arvrunner.intermediate_output_ttl)
 
                 c.save_new(name=info["name"],
                            owner_uuid=self.arvrunner.project_uuid,
@@ -169,13 +206,20 @@ class ArvPathMapper(PathMapper):
             elif srcobj["class"] == "File" and (srcobj.get("secondaryFiles") or
                 (srcobj["location"].startswith("_:") and "contents" in srcobj)):
 
+                # If all secondary files/directories are located in
+                # the same collection as the primary file and the
+                # paths and names that are consistent with staging,
+                # don't create a new collection.
+                if not self.needs_new_collection(srcobj):
+                    continue
+
                 c = arvados.collection.Collection(api_client=self.arvrunner.api,
                                                   keep_client=self.arvrunner.keep_client,
                                                   num_retries=self.arvrunner.num_retries                                                  )
                 self.addentry(srcobj, c, ".", remap)
 
-                container = get_current_container(self.arvrunner.api, self.arvrunner.num_retries, logger)
-                info = get_intermediate_collection_info(None, container, self.arvrunner.intermediate_output_ttl)
+                container = arvados_cwl.util.get_current_container(self.arvrunner.api, self.arvrunner.num_retries, logger)
+                info = arvados_cwl.util.get_intermediate_collection_info(None, container, self.arvrunner.intermediate_output_ttl)
 
                 c.save_new(name=info["name"],
                            owner_uuid=self.arvrunner.project_uuid,
@@ -188,7 +232,7 @@ class ArvPathMapper(PathMapper):
                                                               ab, "File", True)
                 if srcobj.get("secondaryFiles"):
                     ab = self.collection_pattern % c.portable_data_hash()
-                    self._pathmap["_:" + unicode(uuid.uuid4())] = MapperEnt("keep:"+c.portable_data_hash(), ab, "Directory", True)
+                    self._pathmap["_:" + str(uuid.uuid4())] = MapperEnt("keep:"+c.portable_data_hash(), ab, "Directory", True)
 
             if remap:
                 for loc, sub in remap:
@@ -261,7 +305,7 @@ class VwdPathMapper(StagingPathMapper):
         # with any secondary files.
         self.visitlisting(referenced_files, self.stagedir, basedir)
 
-        for path, (ab, tgt, type, staged) in self._pathmap.items():
+        for path, (ab, tgt, type, staged) in list(self._pathmap.items()):
             if type in ("File", "Directory") and ab.startswith("keep:"):
                 self._pathmap[path] = MapperEnt("$(task.keep)/%s" % ab[5:], tgt, type, staged)