def clone(name1, name2):
"""Clone symbol with name1 to name2. Doesn't chech that name1 is
consistent symbol directory
"""
if not SymModule._ready:
raise ValueError("not mounted")
symdir1 = SymModule.DIR.hpath(name1)
symdir2 = SymModule.DIR.hpath(name2)
if not path.exists(symdir1):
raise Exception("Source symbol does not exist")
if path.exists(symdir2):
raise Exception("Destination symbol already exists")
# copy unmodified files
shutil.copytree(symdir1, symdir2)
# modify descr-file
descr2 = path.join(symdir2, SymModule.DESCR)
dc = DotCfg()
with codecs.open(descr2, "r", encoding="utf8") as f:
dc.parse(f)
par = dc.get(u"date")
if par:
par.value = time.strftime("%Y-%m-%d %H:%M:%S")
par = dc.get(u"author")
if par:
par.value = os.getenv("USER", os.getenv("USERNAME", "Unknown"))
dc.flush()