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Code Issues Releases Wiki Activity

✨ page_info: Use boolean for indicator variable, str for hrefs

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This commit is contained in:
Mike Gerber 2025-06-11 20:41:13 +02:00
parent 64ed7298da
commit d685454c52
3 changed files with 15 additions and 3 deletions
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10
check_dtypes.py
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@ -10,6 +10,7 @@ with warnings.catch_warnings():
mods_info = pd.read_parquet("mods_info_df.parquet")
page_info = pd.read_parquet("page_info_df.parquet")
alto_info = pd.read_parquet("alto_info_df.parquet")
# Check
@ -37,6 +38,11 @@ EXPECTED_TYPES = {
r"language_.*Term": ("object", ["str", "NoneType"]),
r"classification-.*": ("object", ["str", "NoneType"]),
# page_info
r"fileGrp_.*_file_FLocat_href": ("object", ["str", "NoneType"]),
r"structMap-LOGICAL_TYPE_.*": ("boolean", None),
# alto_info
r"Description_.*": ("object", ["str", "NoneType"]),
@ -49,6 +55,7 @@ EXPECTED_TYPES = {
r"Layout_Page_(WIDTH|HEIGHT)": ("Int64", None),
}
def expected_types(c):
for r, types in EXPECTED_TYPES.items():
if re.fullmatch(r, c):
@ -65,7 +72,7 @@ def check_types(df):
edt, einner_types = expected_types(c)
if edt is None:
print(f"No expected dtype known for column {c}")
print(f"No expected dtype known for column {c} (got {dt})")
elif dt != edt:
print(f"Unexpected dtype {dt} for column {c} (expected {edt})")
@ -75,5 +82,6 @@ def check_types(df):
print(f"Unexpected inner types {inner_types} for column {c} (expected {einner_types})")
check_types(mods_info)
check_types(page_info)
check_types(alto_info)

4
src/mods4pandas/lib.py
View file

@ -378,10 +378,12 @@ def convert_db_to_parquet(con, table, index_col, output_file):
df[c] = df[c].astype("Int64")
elif column_type == "float64":
df[c] = df[c].astype("Float64")
elif column_type == "bool":
df[c] = df[c].map({"True": True, "False": False}).astype("boolean")
elif column_type == "set":
# TODO WIP
continue
else:
raise NotImplementedError(f"Column type {column_type} not implemented yet.")
raise NotImplementedError(f"Column {c}: type {column_type} not implemented yet.")
df.to_parquet(output_file)

4
src/mods4pandas/mods4pandas.py
View file

@ -327,6 +327,8 @@ def pages_to_dict(mets, raise_errors=True) -> List[Dict]:
assert file_ is not None
fileGrp_USE = file_.getparent().attrib.get("USE")
file_FLocat_href = (file_.xpath('mets:FLocat/@xlink:href', namespaces=ns) or [None])[0]
if file_FLocat_href is not None:
file_FLocat_href = str(file_FLocat_href)
page_dict[f"fileGrp_{fileGrp_USE}_file_FLocat_href"] = file_FLocat_href
def get_struct_log(*, to_phys):
@ -368,7 +370,7 @@ def pages_to_dict(mets, raise_errors=True) -> List[Dict]:
for struct_div in struct_divs:
type_ = struct_div.attrib.get("TYPE").lower()
assert type_
page_dict[f"structMap-LOGICAL_TYPE_{type_}"] = 1
page_dict[f"structMap-LOGICAL_TYPE_{type_}"] = True
result.append(page_dict)