Initial commit

.gitignore

@@ -0,0 +1,111 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# dotenv
+.env
+
+# virtualenv
+.venv
+venv/
+ENV/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+
+# backup files
+*~
+
+bin/
+include/
+pip-selfcheck.json
+
+# visual studio code
+.vscode/

Pipfile

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+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+requests = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.7"

Pipfile.lock

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+{
+    "_meta": {
+        "hash": {
+            "sha256": "bb57e0d7853b45999e47c163c46b95bc2fde31c527d8d7b5b5539dc979444a6d"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.7"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "certifi": {
+            "hashes": [
+                "sha256:046832c04d4e752f37383b628bc601a7ea7211496b4638f6514d0e5b9acc4939",
+                "sha256:945e3ba63a0b9f577b1395204e13c3a231f9bc0223888be653286534e5873695"
+            ],
+            "version": "==2019.6.16"
+        },
+        "chardet": {
+            "hashes": [
+                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
+                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+            ],
+            "version": "==3.0.4"
+        },
+        "idna": {
+            "hashes": [
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
+            ],
+            "version": "==2.8"
+        },
+        "requests": {
+            "hashes": [
+                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
+                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
+            ],
+            "index": "pypi",
+            "version": "==2.22.0"
+        },
+        "urllib3": {
+            "hashes": [
+                "sha256:b246607a25ac80bedac05c6f282e3cdaf3afb65420fd024ac94435cabe6e18d1",
+                "sha256:dbe59173209418ae49d485b87d1681aefa36252ee85884c31346debd19463232"
+            ],
+            "version": "==1.25.3"
+        }
+    },
+    "develop": {}
+}

tab

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