97 lines
2.4 KiB
Python
Executable file
97 lines
2.4 KiB
Python
Executable file
#!/usr/bin/env python3
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import itertools
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import sys
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import os
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import requests
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ME = os.getenv("TAB_ME")
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TOKEN = os.getenv("TAB_TOKEN")
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BASE_URI = os.getenv("TAB_BASE_URI", default="https://tab.zeus.gent")
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TAP_ACCOUNT = os.getenv("LEDGER_TAP_ACCOUNT", default="Expenses:Zeuskelder:Drinks and snacks")
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FOOD_ACCOUNT = os.getenv("LEDGER_FOOD_ACCOUNT", default="Expenses:Zeuskelder:Food")
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TAB2LEDGER_NAME = "tab2ledger"
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TAB2LEDGER_VERSION = "1.0"
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TAB2LEDGER_URL = "https://git.zeus.gent/midgard/tab2ledger"
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USER_AGENT = os.getenv("TAB2LEDGER_USER_AGENT", default=f"{TAB2LEDGER_NAME} {TAB2LEDGER_VERSION} ({TAB2LEDGER_URL})")
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def formatted_price(cents):
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return f"€ {cents / 100}"
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def balance_assertion(balance):
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return \
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f"= {formatted_price(balance)}" \
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if balance is not None else ""
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def formatted_transaction(transaction, me, balance_after=None):
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issuer = transaction["issuer"]
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debtor = transaction["debtor"]
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date = transaction["time"][:10]
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amount = formatted_price(transaction["amount"])
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message = (
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transaction["message"].replace("1 ", "").replace(" and ", " en ")
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if issuer == "Tap" else
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transaction["message"]
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).strip()
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header = f"{date} {message}"
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assertion = balance_assertion(balance_after)
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if debtor == me:
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# If the issuer wasn't Tap, we assume the money we gave was for food – manual change to the
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# output required if it wasn't
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to_account = TAP_ACCOUNT if issuer == "Tap" else FOOD_ACCOUNT
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to_line = f"{to_account} {amount}"
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from_line = f"tab {assertion}"
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else:
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to_line = f"tab {amount} {assertion}"
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from_line = f"; {debtor}"
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return "\n".join([
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header,
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"\t" + to_line.rstrip(),
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"\t" + from_line.rstrip()
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])
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def formatted_transactions(transactions, final_balance, me):
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all_but_last = itertools.islice(transactions, len(transactions) - 1)
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return [
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*(formatted_transaction(t, me) for t in all_but_last),
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formatted_transaction(transactions[-1], me, final_balance)
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]
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def main(me, token, file=sys.stdout):
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def get(path):
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return requests.get(
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f"{BASE_URI}{path}",
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headers={
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"Accept": "application/json", "Authorization": f"Token token={token}",
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"User-Agent": USER_AGENT
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}
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).json()
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balance = get(f"/users/{me}")["balance"]
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transactions = get(f"/users/{me}/transactions")
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print(
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"\n\n".join(formatted_transactions(transactions, balance, me)),
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file=file
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)
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if __name__ == "__main__":
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main(ME, TOKEN)
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