369 lines
12 KiB
Python
369 lines
12 KiB
Python
"""
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Series ID builders for major BLS surveys.
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These functions construct the coded series IDs used by the BLS API.
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Pass the returned string directly to BLSClient.fetch().
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Example:
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from bls_client.series import laus_state, ces_national
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client.fetch([laus_state(11, "rate"), ces_national("00000000", "01")], 2020, 2025)
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"""
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# ---------------------------------------------------------------------------
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# LAUS — Local Area Unemployment Statistics
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# Series format: LA[adj][area_type+area_code 15 chars][measure 2 chars]
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# ---------------------------------------------------------------------------
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_LAUS_MEASURE = {
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"rate": "03",
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"unemployed": "04",
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"employed": "05",
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"laborforce": "06",
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"emp_pop": "07",
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"lfpr": "08",
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"pop": "09",
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}
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def laus_state(state_fips: int, measure: str = "rate", seasonal: bool = False) -> str:
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"""
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LAUS series for a state.
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Args:
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state_fips: 2-digit state FIPS (e.g. 11=DC, 24=MD, 51=VA)
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measure: "rate" | "unemployed" | "employed" | "laborforce"
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seasonal: True for seasonally adjusted
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Examples:
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laus_state(11, "rate") → "LAUST110000000000003"
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laus_state(24, "employed") → "LAUST240000000000005"
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"""
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adj = "S" if seasonal else "U"
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m = _LAUS_MEASURE.get(measure, measure)
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# Area code = ST(2) + state_fips(2) + 11 zeros = 15 chars → total series = 20
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return f"LA{adj}ST{state_fips:02d}{'0'*11}{m}"
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def laus_county(state_fips: int, county_fips: int, measure: str = "rate", seasonal: bool = False) -> str:
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"""
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LAUS series for a county.
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Args:
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state_fips: 2-digit state FIPS
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county_fips: 3-digit county FIPS
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measure: "rate" | "unemployed" | "employed" | "laborforce"
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seasonal: True for seasonally adjusted
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Examples:
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laus_county(11, 1, "rate") → "LAUCN110010000000003"
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"""
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adj = "S" if seasonal else "U"
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m = _LAUS_MEASURE.get(measure, measure)
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# Area code = CN(2) + state_fips(2) + county_fips(3) + 8 zeros = 15 chars → total = 20
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return f"LA{adj}CN{state_fips:02d}{county_fips:03d}{'0'*8}{m}"
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def laus_msa(state_fips: int, cbsa_code: int, measure: str = "rate") -> str:
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"""
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LAUS series for a Metropolitan Statistical Area.
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The state_fips should be the primary state in the MSA.
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Args:
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state_fips: 2-digit FIPS of the primary state
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cbsa_code: 5-digit CBSA code
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measure: "rate" | "unemployed" | "employed" | "laborforce"
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Examples:
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laus_msa(11, 47900, "rate") → DC-Arlington MSA unemployment rate
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laus_msa(24, 12580, "rate") → Baltimore MSA unemployment rate
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laus_msa(51, 40060, "rate") → Richmond MSA unemployment rate
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"""
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m = _LAUS_MEASURE.get(measure, measure)
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return f"LAUMT{state_fips:02d}{cbsa_code:05d}000000{m}"
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# ---------------------------------------------------------------------------
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# CES — Current Employment Statistics (National)
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# Series format: CE[adj][industry 8 chars][data_type 2 chars]
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# ---------------------------------------------------------------------------
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_CES_SUPERSECTOR = {
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"total_nonfarm": "00000000",
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"total_private": "05000000",
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"mining_logging": "10000000",
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"construction": "20000000",
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"manufacturing": "30000000",
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"durable": "31000000",
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"nondurable": "32000000",
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"trade_trans_util":"40000000",
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"wholesale": "41000000",
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"retail": "42000000",
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"information": "50000000",
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"financial": "55000000",
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"professional": "60000000",
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"education_health":"65000000",
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"leisure": "70000000",
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"other_services": "80000000",
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"government": "90000000",
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}
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_CES_DATATYPE = {
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"employees": "01",
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"avg_weekly_hours": "02",
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"avg_hourly_earn": "03",
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"prod_employees": "06",
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"women_employees": "10",
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"avg_weekly_earn": "11",
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}
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def ces_national(
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industry: str = "total_nonfarm",
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data_type: str = "employees",
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seasonal: bool = True,
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) -> str:
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"""
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CES national employment series.
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Args:
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industry: Supersector name (see _CES_SUPERSECTOR) or 8-digit code string
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data_type: Measure name (see _CES_DATATYPE) or 2-digit code string
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seasonal: True for seasonally adjusted
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Examples:
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ces_national() → "CES0000000001"
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ces_national("manufacturing", "employees") → "CES3000000001"
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ces_national("retail", "avg_hourly_earn") → "CES4200000003"
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"""
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adj = "S" if seasonal else "U"
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ind = _CES_SUPERSECTOR.get(industry, industry)
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dtype = _CES_DATATYPE.get(data_type, data_type)
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return f"CE{adj}{ind}{dtype}"
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def ces_state(
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state_fips: int,
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industry: str = "total_nonfarm",
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data_type: str = "employees",
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seasonal: bool = True,
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area_code: str = "00000",
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) -> str:
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"""
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State or metro employment series (SM prefix).
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Args:
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state_fips: 2-digit state FIPS
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industry: Supersector name or 8-digit code
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data_type: Measure name or 2-digit code
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seasonal: True for SA
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area_code: 5-digit metro area code; "00000" = statewide
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Examples:
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ces_state(11) → "SMS110000000000001" (DC total nonfarm)
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ces_state(24, "retail") → "SMS240000042000001" (MD retail)
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"""
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adj = "S" if seasonal else "U"
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ind = _CES_SUPERSECTOR.get(industry, industry)
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dtype = _CES_DATATYPE.get(data_type, data_type)
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return f"SM{adj}{state_fips:02d}{area_code}{ind}{dtype}"
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# ---------------------------------------------------------------------------
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# CPI — Consumer Price Index
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# Series format: CU[adj][periodicity][area 4 chars][item 6 chars]
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# ---------------------------------------------------------------------------
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_CPI_ITEM = {
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"all_items": "SA0",
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"core": "SA0L1E", # all items less food & energy
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"food": "SAF",
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"food_at_home": "SAF1",
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"energy": "SA0E",
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"shelter": "SAH1",
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"apparel": "SAA",
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"transportation":"SAT",
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"medical": "SAM",
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"education": "SAE",
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"recreation": "SAR",
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"gasoline": "SS47014",
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"electricity": "SEHF01",
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"new_vehicles": "SETA01",
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}
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def cpi(
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item: str = "all_items",
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area: str = "0000",
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seasonal: bool = False,
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series: str = "U",
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) -> str:
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"""
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CPI series ID.
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Args:
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item: Item code name (see _CPI_ITEM) or raw item code
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area: 4-char area code ("0000" = US city average)
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seasonal: True for seasonally adjusted
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series: "U" = CPI-U, "W" = CPI-W, "S" = Chained CPI-U
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Examples:
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cpi() → "CUUR0000SA0"
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cpi("core", seasonal=True) → "CUSR0000SA0L1E"
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cpi("gasoline", seasonal=True) → "CUSR0000SS47014"
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cpi("all_items", series="W") → "CWUR0000SA0"
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"""
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prefix_map = {"U": "CU", "W": "CW", "S": "SU"}
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prefix = prefix_map.get(series, "CU")
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adj = "S" if seasonal else "U"
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itm = _CPI_ITEM.get(item, item)
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return f"{prefix}{adj}R{area}{itm}"
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# ---------------------------------------------------------------------------
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# PPI — Producer Price Index (commodity-based)
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# ---------------------------------------------------------------------------
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def ppi_commodity(commodity_code: str = "00000000") -> str:
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"""
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PPI commodity series.
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Args:
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commodity_code: 8-char commodity code ("00000000" = all commodities)
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Examples:
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ppi_commodity() → "WPU00000000"
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ppi_commodity("1012") → "WPU1012" (iron & steel scrap)
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"""
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return f"WPU{commodity_code}"
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# ---------------------------------------------------------------------------
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# OES — Occupational Employment & Wage Statistics
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# ---------------------------------------------------------------------------
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_OES_DATATYPE = {
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"employment": "01",
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"hourly_mean": "03",
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"annual_mean": "04",
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"hourly_10pct": "06",
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"hourly_25pct": "07",
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"hourly_median":"08",
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"hourly_75pct": "09",
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"hourly_90pct": "10",
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"annual_median":"13",
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}
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def oes_national(
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occupation_code: str = "000000",
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industry_code: str = "000000",
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data_type: str = "employment",
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) -> str:
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"""
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OES national series.
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Args:
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occupation_code: 6-digit SOC code or "000000" for all occupations
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industry_code: 6-digit NAICS or "000000" for cross-industry
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data_type: Measure name (see _OES_DATATYPE) or 2-digit code
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Examples:
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oes_national() → all occupations, employment
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oes_national("151132", data_type="annual_median") → software devs median wage
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"""
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dtype = _OES_DATATYPE.get(data_type, data_type)
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# OE+U+N(area_type)+0000400(national area 7 chars)+industry(6)+occupation(6)+dtype(2) = 25
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return f"OEUN0000400{industry_code:0<6}{occupation_code:0<6}{dtype}"
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# ---------------------------------------------------------------------------
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# JOLTS — Job Openings & Labor Turnover
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# ---------------------------------------------------------------------------
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_JOLTS_ELEMENT = {
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"job_openings": "JO",
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"hires": "HI",
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"quits": "QU",
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"layoffs": "LD",
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"total_separations": "TS",
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}
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def jolts(
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element: str = "job_openings",
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rate_level: str = "L",
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industry: str = "000000",
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ownership: str = "00",
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seasonal: bool = True,
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) -> str:
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"""
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JOLTS series.
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Args:
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element: "job_openings" | "hires" | "quits" | "layoffs" | "total_separations"
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rate_level: "L" = level (thousands) | "R" = rate
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industry: 6-digit industry code; "000000" = total nonfarm
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ownership: "00" = total | "10" = private | "20" = government
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seasonal: True for SA
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Examples:
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jolts() → "JTS000000000000JOL" (openings level)
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jolts("quits", rate_level="R") → "JTS000000000000QUR" (quits rate)
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jolts("hires", seasonal=False) → "JTU000000000000HIL" (hires level, NSA)
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"""
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adj = "S" if seasonal else "U"
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elem = _JOLTS_ELEMENT.get(element, element)
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# Format: JT+adj+industry(6)+zeros(6)+elem(2)+rate_level(1) = 18 chars
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ind = industry[:6].ljust(6, "0")
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return f"JT{adj}{ind}{'0'*6}{elem}{rate_level}"
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# ---------------------------------------------------------------------------
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# ECI — Employment Cost Index
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# ---------------------------------------------------------------------------
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def eci(
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worker_type: str = "10", # 10=civilian, 20=private, 30=state/local
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occupation: str = "00", # 00=all, 10=mgmt/prof, 20=service, etc.
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industry: str = "000000000",
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component: str = "A", # A=total comp, W=wages, B=benefits
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seasonal: bool = True,
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) -> str:
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"""
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ECI series for employment cost changes.
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Examples:
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eci() → "CIU1010000000000A" (civilian, all workers, total compensation)
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eci(component="W") → wages only
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"""
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adj = "S" if seasonal else "U"
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return f"CI{adj}{worker_type}{occupation}{industry}{component}"
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# ---------------------------------------------------------------------------
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# Productivity (Major Sector)
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# ---------------------------------------------------------------------------
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_PR_SECTOR = {
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"business": "85",
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"nonfarm_business":"86",
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"manufacturing": "88",
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"durable_mfg": "89",
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"nondurable_mfg": "90",
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}
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_PR_MEASURE = {
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"output_per_hour": "092",
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"output": "041",
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"hours": "051",
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"compensation": "061",
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"real_comp_per_hr": "071",
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"unit_labor_cost": "111",
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"unit_nonlabor_pay":"112",
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}
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def productivity(
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sector: str = "business",
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measure: str = "output_per_hour",
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seasonal: bool = True,
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) -> str:
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"""
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Major Sector Productivity series.
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Examples:
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productivity() → "PRS85006092" (business output per hour, SA)
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productivity("manufacturing", "unit_labor_cost")
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"""
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adj = "S" if seasonal else "U"
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sec = _PR_SECTOR.get(sector, sector)
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mea = _PR_MEASURE.get(measure, measure)
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return f"PR{adj}{sec}06{mea}"
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