get_monomer_library_root()
Ensure the latest ChEMBL monomer library is downloaded and parse its root with xml.
xml
version (Optional[str]) – The version number of ChEMBL to get. If none specified, uses latest() to look up the latest.
Optional
str
latest()
prefix (Optional[Sequence[str]]) – The directory inside pystow to use
Sequence
pystow
Element
Return the root of the monomers XML tree, parsed