part.py

>>> sda = b.devicetree.getDeviceByName("sda")
>>> new_part = b.newPartition(size=Size("10GiB"), parents=[sda])
>>> b.createDevice(new_part)
>>> blivet.partitioning.doPartitioning(b)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.7/site-packages/blivet/partitioning.py", line 889, in doPartitioning
    allocatePartitions(storage, disks, partitions, free)
  File "/usr/lib/python2.7/site-packages/blivet/partitioning.py", line 1006, in allocatePartitions
    disklabel = disklabels[_disk.path]
KeyError: '/dev/sda'
>>> quit()

NOTE:
storage.partitioned in doPartitioning() is an empty list.

>>> b.partitions           
[PartitionDevice instance (0x3fffa81bb550) --
  name = req0  status = False  kids = 0 id = 49
  parents = []
  uuid = None  size = 10 GiB
  format = non-existent None
  major = 0  minor = 0  exists = False  protected = False
  sysfs path =   partedDevice = None
  target size = 10 GiB  path = /dev/req0
  format args = []  originalFormat = None  grow = False  max size = 0 B  bootable = None
  part type = None  primary = False  start sector = None  end sector = None
  partedPartition = None
  disk = None
]
>>> b.partitioned
[]