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252 | class PyHDXSource(TableSource):
_type = "pyhdx"
# see readme/tables_list for tables and their indexes
hdxm_objects = param.Dict({})
d_uptake_results = param.Dict({})
rate_results = param.Dict({}) # dict of rate fitting / guesses results
dG_fits = param.Dict({}) # dict of torch fit result objects
def from_file(self):
pass
# todo load hdxms first
# then use those to reload dG results
def add(self, obj, name): # todo Name is None and use obj name?
if isinstance(obj, HDXMeasurement):
self._add_hdxm_object(obj, name)
elif isinstance(obj, (TorchFitResult, TorchFitResultSet)):
self._add_dG_fit(obj, name)
elif isinstance(obj, RatesFitResult):
self._add_rates_fit(obj, name)
elif isinstance(obj, DUptakeFitResultSet):
self._add_duptake_fit(obj, name)
else:
raise ValueError(f"Unsupported object {obj!r}")
@property
def hdx_set(self):
return HDXMeasurementSet(list(self.hdxm_objects.values()))
@property
def names(self):
"""returns the names of all HDX Measurment objects loaded"""
return list(self.hdxm_objects.keys())
def _add_duptake_fit(self, d_uptake_result, name):
df = d_uptake_result.output
tuples = [(name, *tup) for tup in df.columns]
columns = pd.MultiIndex.from_tuples(
tuples, names=["D_uptake_fit_ID", "state", "exposure", "quantity"]
)
df.columns = fix_multiindex_dtypes(columns)
self._add_table(df, "d_uptake")
self.d_uptake_results[name] = d_uptake_result
self.param.trigger("d_uptake_results") # todo no listeners probably
self.updated = True
def _add_rates_fit(self, rates_result, name):
df = rates_result.output.copy()
tuples = [(name, *tup) for tup in df.columns]
columns = pd.MultiIndex.from_tuples(tuples, names=["guess_ID", "state", "quantity"])
df.columns = columns
self._add_table(df, "rates")
self.rate_results[name] = rates_result
self.param.trigger("rate_results")
self.updated = True
def _add_hdxm_object(
self, hdxm, name
): # where name is new 'protein state' entry (or used for state (#todo clarify))
# Add peptide data
df = hdxm.data_wide.copy()
tuples = [(name, *tup) for tup in df.columns]
columns = pd.MultiIndex.from_tuples(tuples, names=["state", "exposure", "quantity"])
df.columns = columns
self._add_table(df, "peptides")
# Add rfu per residue data
# todo perhaps this combined df should be directly supplied by `hdxm`
rfu = hdxm.rfu_residues
columns = pd.MultiIndex.from_tuples(
[(name, col, "rfu") for col in rfu.columns],
names=["state", "exposure", "quantity"],
)
rfu.columns = columns
rfu_sd = hdxm.rfu_residues_sd
columns = pd.MultiIndex.from_tuples(
[(name, col, "rfu_sd") for col in rfu_sd.columns],
names=["state", "exposure", "quantity"],
)
rfu_sd.columns = columns
combined = pd.concat([rfu, rfu_sd], axis=1).sort_index(axis=1)
self._add_table(combined, "rfu")
self.hdxm_objects[name] = hdxm
self.param.trigger("hdxm_objects") # protein controller listens here
self.updated = True
def _add_dG_fit(self, fit_result, name):
# Add dG values table (+ covariances etc)
df = fit_result.output.copy()
tuples = [(name, *tup) for tup in df.columns]
columns = pd.MultiIndex.from_tuples(tuples, names=["fit_ID", "state", "quantity"])
df.columns = columns
self._add_table(df, "dG")
# Add calculated d-uptake values
df = fit_result.get_dcalc()
tuples = [(name, *tup) for tup in df.columns]
columns = pd.MultiIndex.from_tuples(
tuples,
names=["fit_ID", "state", "peptide_id", "quantity"],
)
df.columns = columns
self._add_table(df, "d_calc")
# Add losses df
df = fit_result.losses.copy()
if df.columns.nlevels == 1:
tuples = [(name, "*", column) for column in df.columns]
columns = pd.MultiIndex.from_tuples(tuples, names=["fit_ID", "state", "loss_type"])
else:
tuples = [(name, *tup) for tup in df.columns]
columns = pd.MultiIndex.from_tuples(tuples, names=["fit_ID", "state", "loss_type"])
df.columns = columns
self._add_table(df, "loss")
# Add MSE per peptide df
# current bug: convert dtypes drop column names: https://github.com/pandas-dev/pandas/issues/41435
# use before assigning column names
mse_df = fit_result.get_peptide_mse().convert_dtypes()
# mse_df = pd.concat(dfs.values(), keys=dfs.keys(), axis=1).convert_dtypes()
mse_df.index.name = "peptide_id"
tuples = [(name, *tup) for tup in mse_df.columns]
columns = pd.MultiIndex.from_tuples(tuples, names=["fit_ID", "state", "quantity"])
mse_df.columns = columns
self._add_table(mse_df, "peptide_mse")
self.dG_fits[name] = fit_result
self.updated = True
def _add_table(self, df, table, categorical=True): # TODO add_table is (name, dataframe)
"""
:param df:
:param table: name of the table
:param categorical: True if top level of multiindex should be categorical
:return:
"""
if table in self.tables:
current = self.tables[table]
new = pd.concat([current, df], axis=1, sort=True)
categories = list(current.columns.unique(level=0)) + list(df.columns.unique(level=0))
else:
new = df
categories = list(df.columns.unique(level=0))
if categorical:
new.columns = multiindex_astype(new.columns, 0, "category")
new.columns = multiindex_set_categories(new.columns, 0, categories, ordered=True)
self.add_table(table, new)
|