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dotfiles/python/data_science/ingest_congress.py

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23 KiB
Python

"""Ingestion pipeline for loading congress data from unitedstates/congress JSON files.
Loads legislators, bills, votes, vote records, and bill text into the data_science_dev database.
Expects the parent directory to contain congress-tracker/ and congress-legislators/ as siblings.
Usage:
ingest-congress /path/to/parent/
ingest-congress /path/to/parent/ --congress 118
ingest-congress /path/to/parent/ --congress 118 --only bills
"""
from __future__ import annotations
import logging
from pathlib import Path # noqa: TC003 needed at runtime for typer CLI argument
from typing import TYPE_CHECKING, Annotated
import orjson
import typer
import yaml
from sqlalchemy import select
from sqlalchemy.orm import Session
from python.common import configure_logger
from python.orm.common import get_postgres_engine
from python.orm.data_science_dev.congress import Bill, BillText, Legislator, LegislatorSocialMedia, Vote, VoteRecord
if TYPE_CHECKING:
from collections.abc import Iterator
from sqlalchemy.engine import Engine
logger = logging.getLogger(__name__)
BATCH_SIZE = 10_000
app = typer.Typer(help="Ingest unitedstates/congress data into data_science_dev.")
@app.command()
def main(
parent_dir: Annotated[
Path,
typer.Argument(help="Parent directory containing congress-tracker/ and congress-legislators/"),
],
congress: Annotated[int | None, typer.Option(help="Only ingest a specific congress number")] = None,
only: Annotated[
str | None,
typer.Option(help="Only run a specific step: legislators, social-media, bills, votes, bill-text"),
] = None,
) -> None:
"""Ingest congress data from unitedstates/congress JSON files."""
configure_logger(level="INFO")
data_dir = parent_dir / "congress-tracker/congress/data/"
legislators_dir = parent_dir / "congress-legislators"
if not data_dir.is_dir():
typer.echo(f"Expected congress-tracker/ directory: {data_dir}", err=True)
raise typer.Exit(code=1)
if not legislators_dir.is_dir():
typer.echo(f"Expected congress-legislators/ directory: {legislators_dir}", err=True)
raise typer.Exit(code=1)
engine = get_postgres_engine(name="DATA_SCIENCE_DEV")
congress_dirs = _resolve_congress_dirs(data_dir, congress)
if not congress_dirs:
typer.echo("No congress directories found.", err=True)
raise typer.Exit(code=1)
logger.info("Found %d congress directories to process", len(congress_dirs))
steps: dict[str, tuple] = {
"legislators": (ingest_legislators, (engine, legislators_dir)),
"legislators-social-media": (ingest_social_media, (engine, legislators_dir)),
"bills": (ingest_bills, (engine, congress_dirs)),
"votes": (ingest_votes, (engine, congress_dirs)),
"bill-text": (ingest_bill_text, (engine, congress_dirs)),
}
if only:
if only not in steps:
typer.echo(f"Unknown step: {only}. Choose from: {', '.join(steps)}", err=True)
raise typer.Exit(code=1)
steps = {only: steps[only]}
for step_name, (step_func, step_args) in steps.items():
logger.info("=== Starting step: %s ===", step_name)
step_func(*step_args)
logger.info("=== Finished step: %s ===", step_name)
logger.info("ingest-congress done")
def _resolve_congress_dirs(data_dir: Path, congress: int | None) -> list[Path]:
"""Find congress number directories under data_dir."""
if congress is not None:
target = data_dir / str(congress)
return [target] if target.is_dir() else []
return sorted(path for path in data_dir.iterdir() if path.is_dir() and path.name.isdigit())
def _flush_batch(session: Session, batch: list[object], label: str) -> int:
"""Add a batch of ORM objects to the session and commit. Returns count added."""
if not batch:
return 0
session.add_all(batch)
session.commit()
count = len(batch)
logger.info("Committed %d %s", count, label)
batch.clear()
return count
# ---------------------------------------------------------------------------
# Legislators — loaded from congress-legislators YAML files
# ---------------------------------------------------------------------------
def ingest_legislators(engine: Engine, legislators_dir: Path) -> None:
"""Load legislators from congress-legislators YAML files."""
legislators_data = _load_legislators_yaml(legislators_dir)
logger.info("Loaded %d legislators from YAML files", len(legislators_data))
with Session(engine) as session:
existing_legislators = {
legislator.bioguide_id: legislator for legislator in session.scalars(select(Legislator)).all()
}
logger.info("Found %d existing legislators in DB", len(existing_legislators))
total_inserted = 0
total_updated = 0
for entry in legislators_data:
bioguide_id = entry.get("id", {}).get("bioguide")
if not bioguide_id:
continue
fields = _parse_legislator(entry)
if existing := existing_legislators.get(bioguide_id):
changed = False
for field, value in fields.items():
if value is not None and getattr(existing, field) != value:
setattr(existing, field, value)
changed = True
if changed:
total_updated += 1
else:
session.add(Legislator(bioguide_id=bioguide_id, **fields))
total_inserted += 1
session.commit()
logger.info("Inserted %d new legislators, updated %d existing", total_inserted, total_updated)
def _load_legislators_yaml(legislators_dir: Path) -> list[dict]:
"""Load and combine legislators-current.yaml and legislators-historical.yaml."""
legislators: list[dict] = []
for filename in ("legislators-current.yaml", "legislators-historical.yaml"):
path = legislators_dir / filename
if not path.exists():
logger.warning("Legislators file not found: %s", path)
continue
with path.open() as file:
data = yaml.safe_load(file)
if isinstance(data, list):
legislators.extend(data)
return legislators
def _parse_legislator(entry: dict) -> dict:
"""Extract Legislator fields from a congress-legislators YAML entry."""
ids = entry.get("id", {})
name = entry.get("name", {})
bio = entry.get("bio", {})
terms = entry.get("terms", [])
latest_term = terms[-1] if terms else {}
fec_ids = ids.get("fec")
fec_ids_joined = ",".join(fec_ids) if isinstance(fec_ids, list) else fec_ids
chamber = latest_term.get("type")
chamber_normalized = {"rep": "House", "sen": "Senate"}.get(chamber, chamber)
return {
"thomas_id": ids.get("thomas"),
"lis_id": ids.get("lis"),
"govtrack_id": ids.get("govtrack"),
"opensecrets_id": ids.get("opensecrets"),
"fec_ids": fec_ids_joined,
"first_name": name.get("first"),
"last_name": name.get("last"),
"official_full_name": name.get("official_full"),
"nickname": name.get("nickname"),
"birthday": bio.get("birthday"),
"gender": bio.get("gender"),
"current_party": latest_term.get("party"),
"current_state": latest_term.get("state"),
"current_district": latest_term.get("district"),
"current_chamber": chamber_normalized,
}
# ---------------------------------------------------------------------------
# Social Media — loaded from legislators-social-media.yaml
# ---------------------------------------------------------------------------
SOCIAL_MEDIA_PLATFORMS = {
"twitter": "https://twitter.com/{account}",
"facebook": "https://facebook.com/{account}",
"youtube": "https://youtube.com/{account}",
"instagram": "https://instagram.com/{account}",
"mastodon": None,
}
def ingest_social_media(engine: Engine, legislators_dir: Path) -> None:
"""Load social media accounts from legislators-social-media.yaml."""
social_media_path = legislators_dir / "legislators-social-media.yaml"
if not social_media_path.exists():
logger.warning("Social media file not found: %s", social_media_path)
return
with social_media_path.open() as file:
social_media_data = yaml.safe_load(file)
if not isinstance(social_media_data, list):
logger.warning("Unexpected format in %s", social_media_path)
return
logger.info("Loaded %d entries from legislators-social-media.yaml", len(social_media_data))
with Session(engine) as session:
legislator_map = _build_legislator_map(session)
existing_accounts = {
(account.legislator_id, account.platform)
for account in session.scalars(select(LegislatorSocialMedia)).all()
}
logger.info("Found %d existing social media accounts in DB", len(existing_accounts))
total_inserted = 0
total_updated = 0
for entry in social_media_data:
bioguide_id = entry.get("id", {}).get("bioguide")
if not bioguide_id:
continue
legislator_id = legislator_map.get(bioguide_id)
if legislator_id is None:
continue
social = entry.get("social", {})
for platform, url_template in SOCIAL_MEDIA_PLATFORMS.items():
account_name = social.get(platform)
if not account_name:
continue
url = url_template.format(account=account_name) if url_template else None
if (legislator_id, platform) in existing_accounts:
total_updated += 1
else:
session.add(
LegislatorSocialMedia(
legislator_id=legislator_id,
platform=platform,
account_name=str(account_name),
url=url,
source="https://github.com/unitedstates/congress-legislators",
)
)
existing_accounts.add((legislator_id, platform))
total_inserted += 1
session.commit()
logger.info("Inserted %d new social media accounts, updated %d existing", total_inserted, total_updated)
def _iter_voters(position_group: object) -> Iterator[dict]:
"""Yield voter dicts from a vote position group (handles list, single dict, or string)."""
if isinstance(position_group, dict):
yield position_group
elif isinstance(position_group, list):
for voter in position_group:
if isinstance(voter, dict):
yield voter
# ---------------------------------------------------------------------------
# Bills
# ---------------------------------------------------------------------------
def ingest_bills(engine: Engine, congress_dirs: list[Path]) -> None:
"""Load bill data.json files."""
with Session(engine) as session:
existing_bills = {(bill.congress, bill.bill_type, bill.number) for bill in session.scalars(select(Bill)).all()}
logger.info("Found %d existing bills in DB", len(existing_bills))
total_inserted = 0
batch: list[Bill] = []
for congress_dir in congress_dirs:
bills_dir = congress_dir / "bills"
if not bills_dir.is_dir():
continue
logger.info("Scanning bills from %s", congress_dir.name)
for bill_file in bills_dir.rglob("data.json"):
data = _read_json(bill_file)
if data is None:
continue
bill = _parse_bill(data, existing_bills)
if bill is not None:
batch.append(bill)
if len(batch) >= BATCH_SIZE:
total_inserted += _flush_batch(session, batch, "bills")
total_inserted += _flush_batch(session, batch, "bills")
logger.info("Inserted %d new bills total", total_inserted)
def _parse_bill(data: dict, existing_bills: set[tuple[int, str, int]]) -> Bill | None:
"""Parse a bill data.json dict into a Bill ORM object, skipping existing."""
raw_congress = data.get("congress")
bill_type = data.get("bill_type")
raw_number = data.get("number")
if raw_congress is None or bill_type is None or raw_number is None:
return None
congress = int(raw_congress)
number = int(raw_number)
if (congress, bill_type, number) in existing_bills:
return None
sponsor_bioguide = None
sponsor = data.get("sponsor")
if sponsor:
sponsor_bioguide = sponsor.get("bioguide_id")
return Bill(
congress=congress,
bill_type=bill_type,
number=number,
title=data.get("short_title") or data.get("official_title"),
title_short=data.get("short_title"),
official_title=data.get("official_title"),
status=data.get("status"),
status_at=data.get("status_at"),
sponsor_bioguide_id=sponsor_bioguide,
subjects_top_term=data.get("subjects_top_term"),
)
# ---------------------------------------------------------------------------
# Votes (and vote records)
# ---------------------------------------------------------------------------
def ingest_votes(engine: Engine, congress_dirs: list[Path]) -> None:
"""Load vote data.json files with their vote records."""
with Session(engine) as session:
legislator_map = _build_legislator_map(session)
logger.info("Loaded %d legislators into lookup map", len(legislator_map))
bill_map = _build_bill_map(session)
logger.info("Loaded %d bills into lookup map", len(bill_map))
existing_votes = {
(vote.congress, vote.chamber, vote.session, vote.number) for vote in session.scalars(select(Vote)).all()
}
logger.info("Found %d existing votes in DB", len(existing_votes))
total_inserted = 0
batch: list[Vote] = []
for congress_dir in congress_dirs:
votes_dir = congress_dir / "votes"
if not votes_dir.is_dir():
continue
logger.info("Scanning votes from %s", congress_dir.name)
for vote_file in votes_dir.rglob("data.json"):
data = _read_json(vote_file)
if data is None:
continue
vote = _parse_vote(data, legislator_map, bill_map, existing_votes)
if vote is not None:
batch.append(vote)
if len(batch) >= BATCH_SIZE:
total_inserted += _flush_batch(session, batch, "votes")
total_inserted += _flush_batch(session, batch, "votes")
logger.info("Inserted %d new votes total", total_inserted)
def _build_legislator_map(session: Session) -> dict[str, int]:
"""Build a mapping of bioguide_id -> legislator.id."""
return {legislator.bioguide_id: legislator.id for legislator in session.scalars(select(Legislator)).all()}
def _build_bill_map(session: Session) -> dict[tuple[int, str, int], int]:
"""Build a mapping of (congress, bill_type, number) -> bill.id."""
return {(bill.congress, bill.bill_type, bill.number): bill.id for bill in session.scalars(select(Bill)).all()}
def _parse_vote(
data: dict,
legislator_map: dict[str, int],
bill_map: dict[tuple[int, str, int], int],
existing_votes: set[tuple[int, str, int, int]],
) -> Vote | None:
"""Parse a vote data.json dict into a Vote ORM object with records."""
raw_congress = data.get("congress")
chamber = data.get("chamber")
raw_number = data.get("number")
vote_date = data.get("date")
if raw_congress is None or chamber is None or raw_number is None or vote_date is None:
return None
raw_session = data.get("session")
if raw_session is None:
return None
congress = int(raw_congress)
number = int(raw_number)
session_number = int(raw_session)
# Normalize chamber from "h"/"s" to "House"/"Senate"
chamber_normalized = {"h": "House", "s": "Senate"}.get(chamber, chamber)
if (congress, chamber_normalized, session_number, number) in existing_votes:
return None
# Resolve linked bill
bill_id = None
bill_ref = data.get("bill")
if bill_ref:
bill_key = (
int(bill_ref.get("congress", congress)),
bill_ref.get("type"),
int(bill_ref.get("number", 0)),
)
bill_id = bill_map.get(bill_key)
raw_votes = data.get("votes", {})
vote_counts = _count_votes(raw_votes)
vote_records = _build_vote_records(raw_votes, legislator_map)
return Vote(
congress=congress,
chamber=chamber_normalized,
session=session_number,
number=number,
vote_type=data.get("type"),
question=data.get("question"),
result=data.get("result"),
result_text=data.get("result_text"),
vote_date=vote_date[:10] if isinstance(vote_date, str) else vote_date,
bill_id=bill_id,
vote_records=vote_records,
**vote_counts,
)
def _count_votes(raw_votes: dict) -> dict[str, int]:
"""Count voters per position category, correctly handling dict and list formats."""
yea_count = 0
nay_count = 0
not_voting_count = 0
present_count = 0
for position, position_group in raw_votes.items():
voter_count = sum(1 for _ in _iter_voters(position_group))
if position in ("Yea", "Aye"):
yea_count += voter_count
elif position in ("Nay", "No"):
nay_count += voter_count
elif position == "Not Voting":
not_voting_count += voter_count
elif position == "Present":
present_count += voter_count
return {
"yea_count": yea_count,
"nay_count": nay_count,
"not_voting_count": not_voting_count,
"present_count": present_count,
}
def _build_vote_records(raw_votes: dict, legislator_map: dict[str, int]) -> list[VoteRecord]:
"""Build VoteRecord objects from raw vote data."""
records: list[VoteRecord] = []
for position, position_group in raw_votes.items():
for voter in _iter_voters(position_group):
bioguide_id = voter.get("id")
if not bioguide_id:
continue
legislator_id = legislator_map.get(bioguide_id)
if legislator_id is None:
continue
records.append(
VoteRecord(
legislator_id=legislator_id,
position=position,
)
)
return records
# ---------------------------------------------------------------------------
# Bill Text
# ---------------------------------------------------------------------------
def ingest_bill_text(engine: Engine, congress_dirs: list[Path]) -> None:
"""Load bill text from text-versions directories."""
with Session(engine) as session:
bill_map = _build_bill_map(session)
logger.info("Loaded %d bills into lookup map", len(bill_map))
existing_bill_texts = {
(bill_text.bill_id, bill_text.version_code) for bill_text in session.scalars(select(BillText)).all()
}
logger.info("Found %d existing bill text versions in DB", len(existing_bill_texts))
total_inserted = 0
batch: list[BillText] = []
for congress_dir in congress_dirs:
logger.info("Scanning bill texts from %s", congress_dir.name)
for bill_text in _iter_bill_texts(congress_dir, bill_map, existing_bill_texts):
batch.append(bill_text)
if len(batch) >= BATCH_SIZE:
total_inserted += _flush_batch(session, batch, "bill texts")
total_inserted += _flush_batch(session, batch, "bill texts")
logger.info("Inserted %d new bill text versions total", total_inserted)
def _iter_bill_texts(
congress_dir: Path,
bill_map: dict[tuple[int, str, int], int],
existing_bill_texts: set[tuple[int, str]],
) -> Iterator[BillText]:
"""Yield BillText objects for a single congress directory, skipping existing."""
bills_dir = congress_dir / "bills"
if not bills_dir.is_dir():
return
for bill_dir in bills_dir.rglob("text-versions"):
if not bill_dir.is_dir():
continue
bill_key = _bill_key_from_dir(bill_dir.parent, congress_dir)
if bill_key is None:
continue
bill_id = bill_map.get(bill_key)
if bill_id is None:
continue
for version_dir in sorted(bill_dir.iterdir()):
if not version_dir.is_dir():
continue
if (bill_id, version_dir.name) in existing_bill_texts:
continue
text_content = _read_bill_text(version_dir)
version_data = _read_json(version_dir / "data.json")
yield BillText(
bill_id=bill_id,
version_code=version_dir.name,
version_name=version_data.get("version_name") if version_data else None,
date=version_data.get("issued_on") if version_data else None,
text_content=text_content,
)
def _bill_key_from_dir(bill_dir: Path, congress_dir: Path) -> tuple[int, str, int] | None:
"""Extract (congress, bill_type, number) from directory structure."""
congress = int(congress_dir.name)
bill_type = bill_dir.parent.name
name = bill_dir.name
# Directory name is like "hr3590" — strip the type prefix to get the number
number_str = name[len(bill_type) :]
if not number_str.isdigit():
return None
return (congress, bill_type, int(number_str))
def _read_bill_text(version_dir: Path) -> str | None:
"""Read bill text from a version directory, preferring .txt over .xml."""
for extension in ("txt", "htm", "html", "xml"):
candidates = list(version_dir.glob(f"document.{extension}"))
if not candidates:
candidates = list(version_dir.glob(f"*.{extension}"))
if candidates:
try:
return candidates[0].read_text(encoding="utf-8")
except Exception:
logger.exception("Failed to read %s", candidates[0])
return None
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
def _read_json(path: Path) -> dict | None:
"""Read and parse a JSON file, returning None on failure."""
try:
return orjson.loads(path.read_bytes())
except FileNotFoundError:
return None
except Exception:
logger.exception("Failed to parse %s", path)
return None
if __name__ == "__main__":
app()