def write_to_bq(self, dataset, gcs_bucket):
"""Writes population data to BigQuery from the provided GCS bucket
dataset: The BigQuery dataset to write to
gcs_bucket: The name of the gcs bucket to read the data from"""
# TODO change this to have it read metadata from GCS bucket
metadata = fetch_acs_metadata(self.base_acs_url)
var_map = parse_acs_metadata(metadata, list(GROUPS.keys()))
race_and_hispanic_frame = gcs_to_bq_util.load_values_as_dataframe(
gcs_bucket, self.get_filename(HISPANIC_BY_RACE_CONCEPT))
race_and_hispanic_frame = update_col_types(race_and_hispanic_frame)
race_and_hispanic_frame = standardize_frame(
race_and_hispanic_frame,
get_vars_for_group(HISPANIC_BY_RACE_CONCEPT, var_map, 2),
[HISPANIC_COL, RACE_COL],
self.county_level,
POPULATION_COL)
total_frame = gcs_to_bq_util.load_values_as_dataframe(
gcs_bucket, self.add_filename_suffix(TOTAL_POP_VARIABLE_ID))
total_frame = update_col_types(total_frame)
total_frame = standardize_frame(
total_frame,
{TOTAL_POP_VARIABLE_ID: ['Total']},
[RACE_OR_HISPANIC_COL],
self.county_level,
POPULATION_COL)
sex_by_age_frames = {}
for concept in SEX_BY_AGE_CONCEPTS_TO_RACE:
sex_by_age_frame = gcs_to_bq_util.load_values_as_dataframe(
gcs_bucket, self.get_filename(concept))
sex_by_age_frame = update_col_types(sex_by_age_frame)
sex_by_age_frames[concept] = sex_by_age_frame
frames = {
self.get_table_name_by_race(): self.get_all_races_frame(
race_and_hispanic_frame, total_frame),
self.get_table_name_by_sex_age_race(): self.get_sex_by_age_and_race(
var_map, sex_by_age_frames)
}
for table_name, df in frames.items():
# All breakdown columns are strings
column_types = {c: 'STRING' for c in df.columns}
column_types[POPULATION_COL] = 'INT64'
gcs_to_bq_util.add_dataframe_to_bq(
df, dataset, table_name, column_types=column_types)
def get_sex_by_age_and_race(self, var_map, sex_by_age_frames):
"""Returns a DataFrame of population by sex and age and race.
var_map: ACS metadata variable map, as returned by
`parse_acs_metadata`
sex_by_age_frames: Map of concept to non-standardized DataFrame for
that concept."""
frames = []
for concept, race in SEX_BY_AGE_CONCEPTS_TO_RACE.items():
frame = sex_by_age_frames[concept]
group_vars = get_vars_for_group(concept, var_map, 2)
sex_by_age = standardize_frame(frame, group_vars,
[SEX_COL, AGE_COL],
self.county_level, POPULATION_COL)
# TODO reorder columns so population is last
sex_by_age[RACE_CATEGORY_ID_COL] = race
frames.append(sex_by_age)
result = pandas.concat(frames)
result[AGE_COL] = result[AGE_COL].apply(rename_age_bracket)
result = add_sum_of_rows(result, AGE_COL, POPULATION_COL, TOTAL_VALUE)
result = add_sum_of_rows(result, SEX_COL, POPULATION_COL, TOTAL_VALUE)
add_race_columns_from_category_id(result)
return self.sort_sex_age_race_frame(result)
def write_local_files_debug(self):
"""Downloads and writes the tables to the local file system as csv and
json files. This is only for debugging/convenience, and should not
be used in production."""
metadata = fetch_acs_metadata(self.base_acs_url)
var_map = parse_acs_metadata(metadata, list(GROUPS.keys()))
by_hisp_and_race_json = fetch_acs_group(self.base_acs_url,
HISPANIC_BY_RACE_CONCEPT,
var_map, 2, self.county_level)
sex_by_age_frames = {}
for concept in SEX_BY_AGE_CONCEPTS_TO_RACE:
json_string = fetch_acs_group(self.base_acs_url, concept, var_map,
2, self.county_level)
frame = gcs_to_bq_util.values_json_to_dataframe(json_string)
sex_by_age_frames[concept] = update_col_types(frame)
race_and_hispanic_frame = gcs_to_bq_util.values_json_to_dataframe(
by_hisp_and_race_json)
race_and_hispanic_frame = update_col_types(race_and_hispanic_frame)
race_and_hispanic_frame = standardize_frame(
race_and_hispanic_frame,
get_vars_for_group(HISPANIC_BY_RACE_CONCEPT, var_map, 2),
[HISPANIC_COL, RACE_COL], self.county_level, POPULATION_COL)
frames = {
self.get_table_name_by_race():
self.get_all_races_frame(race_and_hispanic_frame),
self.get_table_name_by_sex_age_race():
self.get_sex_by_age_and_race(var_map, sex_by_age_frames)
}
for key, df in frames.items():
df.to_csv("table_" + key + ".csv", index=False)
df.to_json("table_" + key + ".json", orient="records")
def testStandarizeFrameTwoDims(self):
"""Tests standardizing an ACS DataFrame"""
metadata = census.parse_acs_metadata(
self._fake_metadata, ["B02001", "B01001"])
group_vars = census.get_vars_for_group("SEX BY AGE", metadata, 2)
df = gcs_to_bq_util.values_json_to_dataframe(
json.dumps(self._fake_sex_by_age_data))
df = census.standardize_frame(
df, group_vars, ["sex", "age"], False, "population")
expected_df = gcs_to_bq_util.values_json_to_dataframe(
json.dumps(self._expected_sex_by_age_data)).reset_index(drop=True)
assert_frame_equal(expected_df, df)