def _determine_units(sheet: xlrd.book.sheet) -> (str, str, int):
indicator_unit = "?"
flow_unit = "?"
unit_col = -1
row, col, _ = _find_data_start(sheet)
row -= 2
if row > 0:
s = xls.cell_str(sheet, row, col)
if s is not None and s != "":
if "/" in s:
parts = s.strip(" ()").split("/")
indicator_unit = parts[0].strip()
flow_unit = parts[1].strip()
else:
indicator_unit = s.strip()
for row, col in xls.iter_cells(sheet):
if row > 5:
break
s = xls.cell_str(sheet, row, col)
if _eqstr(s, "Unit"):
unit_col = col
break
if indicator_unit != "?":
log.debug("determined indicator unit: %s", indicator_unit)
elif _containstr(sheet.name, "land", "transformation"):
log.debug("unknown indicator unit; assuming it is m2")
indicator_unit = "m2"
elif _containstr(sheet.name, "land", "occupation"):
log.debug("unknown indicator unit; assuming it is m2*a")
indicator_unit = "m2*a"
elif _containstr(sheet.name, "water", "consumption"):
log.debug("unknown indicator unit; assuming it is m3")
indicator_unit = "m3"
else:
log.debug("unknown indicator unit")
if _containstr(flow_unit, "kg"):
flow_unit = "kg"
if unit_col > -1:
log.debug("take units from column %i", unit_col)
elif flow_unit != "?":
log.debug("determined flow unit: %s", flow_unit)
elif _containstr(sheet.name, "land", "transformation"):
log.debug("unknown flow unit; assume it is m2")
flow_unit = "m2"
elif _containstr(sheet.name, "land", "occupation"):
log.debug("unknown flow unit; assuming it is m2*a")
flow_unit = "m2*a"
elif _containstr(sheet.name, "water", "consumption"):
log.debug("unknown flow unit; assuming it is m3")
flow_unit = "m3"
else:
log.debug("unknown flow unit; assuming it is 'kg'")
flow_unit = "kg"
return indicator_unit, flow_unit, unit_col
def _find_cas_column(sheet: xlrd.book.sheet) -> int:
ccol = -1
for row, col in xls.iter_cells(sheet):
s = xls.cell_str(sheet, row, col)
if _eqstr(s, "cas"):
ccol = col
log.debug("identified column %i %s for CAS numbers", ccol, s)
break
return ccol
def _find_data_start(sheet: xlrd.book.sheet) -> (int, int, bool):
for row, col in xls.iter_cells(sheet):
s = xls.cell_str(sheet, row, col)
if s is None or s == "":
continue
if _eqstr(s, "I") or _containstr(s, "Individualist"):
return row + 1, col, True
if _eqstr(s, "all perspectives"):
return row + 1, col, False
return -1, -1
def _find_flow_column(sheet: xlrd.book.sheet) -> int:
if _containstr(sheet.name, "land", "occupation"):
ncol = 1
return ncol
ncol = -1
for row, col in xls.iter_cells(sheet):
s = xls.cell_str(sheet, row, col)
if _containstr(s, "name") or _containstr(s, "substance"):
ncol = col
log.debug("identified column %i %s for flow names", ncol, s)
break
if ncol < 0:
log.debug("no 'name' column in %s, take col=0 for that", sheet.name)
ncol = 0
return ncol
def _determine_compartments(sheet: xlrd.book.sheet) -> (str, int):
compartment_col = -1
for row, col in xls.iter_cells(sheet):
if row > 5:
break
s = xls.cell_str(sheet, row, col)
if _containstr(s, "compartment") \
or _containstr(s, "name", "in", "ReCiPe"):
compartment_col = col
break
if compartment_col > -1:
log.debug("found compartment column %i", compartment_col)
return "", compartment_col
elif _containstr(sheet.name, "global", "warming") \
or _containstr(sheet.name, "ozone") \
or _containstr(sheet.name, "particulate") \
or _containstr(sheet.name, "acidification"):
log.debug("no compartment column; assuming 'air'")
return "air", -1
elif _containstr(sheet.name, "mineral", "resource", "scarcity"):
log.debug("no compartment column; assuming 'resource/ground'")
return "resource/ground", -1
elif _containstr(sheet.name, "fossil", "resource", "scarcity"):
log.debug("no compartment column; assuming 'resource'")
return "resource", -1
if _containstr(sheet.name, "water", "consumption"):
log.debug("no compartment column; assuming 'resource/fresh water'")
return "resource/fresh water", -1
log.debug("no compartment column")
return "", -1
