python: add flux.job.info.strtostate and strtoresult

Problem: flux_job_strtostate(3) and flux_job_strtoresult(3) are not
exposed in the Python API.

Add strtostate() and strtoresult() to flux.job.info.

Author: grondo

src/bindings/python/flux/job/info.py

@@ -19,7 +19,7 @@
 from itertools import chain
 
 import flux.constants
-from flux.core.inner import raw
+from flux.core.inner import ffi, raw
 from flux.job.JobID import JobID
 from flux.job.stats import JobStats
 from flux.memoized_property import memoized_property
@@ -42,6 +42,12 @@ def statetostr(stateid, fmt="L"):
     return raw.flux_job_statetostr(stateid, fmt).decode("utf-8")
 
 
+def strtostate(state):
+    result = ffi.new("flux_job_state_t [1]")
+    raw.flux_job_strtostate(state, result)
+    return int(result[0])
+
+
 def statetoemoji(stateid):
     statestr = raw.flux_job_statetostr(stateid, "S").decode("utf-8")
     if statestr == "N":
@@ -81,6 +87,12 @@ def resulttostr(resultid, fmt="L"):
     return raw.flux_job_resulttostr(resultid, fmt).decode("utf-8")
 
 
+def strtoresult(arg):
+    result = ffi.new("flux_job_result_t [1]")
+    raw.flux_job_strtoresult(arg, result)
+    return int(result[0])
+
+
 def resulttoemoji(resultid):
     if resultid != "":
         resultstr = raw.flux_job_resulttostr(resultid, "S").decode("utf-8")