restructure
This commit is contained in:
parent
9e44070fe7
commit
81fdafb907
13 changed files with 376 additions and 366 deletions
690
recipes.py
690
recipes.py
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@ -1,690 +0,0 @@
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from abc import abstractmethod
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import collections
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from typing import Dict, List, Any, Optional, Self, Set
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import os
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import json
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import yaml
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import jinja2
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import jsonschema
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import jsonschema.exceptions
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ISSUE_UNKNOWN_UNIT = "unknown-unit"
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ISSUE_UNKNOWN_INGREDIENT = "unknown-ingredient"
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ISSUE_DUPLICATE_UNITS = "duplicate-units"
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ISSUE_KNOWN_PRICE_UNKNOWN_CONVERSION = "known-price-unknown-conversion"
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class Issue:
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def __init__(self, id: str, msg: str) -> None:
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self.id = id
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self.msg = msg
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class Issues:
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def __init__(self) -> None:
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self.errors: List[Issue] = []
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self.warnings: List[Issue] = []
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def error(self, id: str, msg: str) -> None:
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self.errors.append(Issue(id, msg))
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def warn(self, id: str, msg: str) -> None:
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self.warnings.append(Issue(id, msg))
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def check(self) -> int:
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retcode = len(self.errors) != 0
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for msg in self.errors:
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print(f"ERROR {msg.id}: {msg.msg}")
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for msg in self.warnings:
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print(f"WARNING {msg.id}: {msg.msg}")
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self.errors.clear()
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self.warnings.clear()
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return retcode
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class Context:
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def __init__(self) -> None:
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self.settings = Settings()
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self.units: AUnits = FakeUnits(self)
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self.default_unit = Unit(self, "piece", [], [])
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self.ingredients: AIngredients = FakeIngredients(self)
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self.issues = Issues()
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def load_units(
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self, unitsdct: List[Dict[str, Any]], unitsschema: Dict[str, Any]
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) -> None:
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self.units = Units(self)
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self.units.units.append(self.default_unit)
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jsonschema.validate(instance=unitsdct, schema=unitsschema)
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self.units.load(unitsdct)
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self.units.validate()
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def load_ingredients(
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self, ingredientsdct: List[Dict[str, Any]], ingredientsschema: Dict[str, Any]
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) -> None:
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self.ingredients = Ingredients(self)
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jsonschema.validate(instance=ingredientsdct, schema=ingredientsschema)
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self.ingredients.load(ingredientsdct)
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def load_settings(
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self, settingsdct: Dict[str, Any], settingsschema: Dict[str, Any]
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) -> None:
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jsonschema.validate(instance=settingsdct, schema=settingsschema)
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self.settings.load(settingsdct)
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class Settings:
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def __init__(self) -> None:
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self.default_currency: Optional[str] = None
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def load(self, settingsdct: Dict[str, Any]) -> None:
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self.default_currency = settingsdct["default_currency"]
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class Element:
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def __init__(self, ctx: Context) -> None:
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self.ctx = ctx
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@classmethod
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def from_dict(cls, ctx: Context, dct: Dict[str, Any]) -> Self:
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return cls(ctx)
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class Conversion(Element):
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def __init__(
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self, ctx: Context, fromunit: "Unit", tounit: "Unit", ratio: float
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) -> None:
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super().__init__(ctx)
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self.fromunit = fromunit
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self.tounit = tounit
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self.ratio = ratio
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@classmethod
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def from_dict(cls, ctx: Context, dct: Dict[str, Any]) -> Self:
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fromunit = ctx.units.get(dct["from"])
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if fromunit is None:
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raise RuntimeError(f"unit {dct['from']} doesn't exist")
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tounit = ctx.units.get(dct["to"])
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if tounit is None:
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raise RuntimeError(f"unit {dct['to']} doesn't exist")
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return cls(ctx, fromunit, tounit, dct["ratio"])
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class Unit(Element):
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def __init__(
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self,
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ctx: Context,
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name: str,
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conversions: List[Conversion],
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aliases: List[str],
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dct: Optional[Dict[str, Any]] = None,
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) -> None:
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super().__init__(ctx)
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self.name = name
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self.conversions = conversions
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self.aliases = aliases
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self.dct = dct
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@classmethod
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def from_dict(cls, ctx: Context, dct: Dict[str, Any]) -> Self:
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# conversions are an empty list which is populated in finish_load
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# which should be ran when all units are registered
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aliases: List[str] = []
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if "aliases" in dct:
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aliases = dct["aliases"]
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return cls(ctx, name=dct["name"], conversions=[], aliases=aliases, dct=dct)
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def finish_load(self) -> None:
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if self.dct is None:
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return
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if "conversions" not in self.dct:
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return
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conversions = []
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for conv in self.dct["conversions"]:
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if "from" in conv:
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raise RuntimeError(
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"conversions in units.yaml cannot have a from field, it is automatically assigned from the unit name"
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)
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conv["from"] = self.dct["name"]
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conv = Conversion.from_dict(self.ctx, conv)
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conversions.append(conv)
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self.conversions = conversions
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class AUnits:
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def __init__(self, ctx: Context) -> None:
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self.ctx = ctx
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self.units: List[Unit] = []
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def load(self, lst: List[Any]) -> None:
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pass
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@abstractmethod
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def get(self, name: str) -> Optional[Unit]:
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...
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def validate(self) -> None:
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pass
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class FakeUnits(AUnits):
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def get(self, name: str) -> Optional[Unit]:
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for unit in self.units:
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if unit.name == name:
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return unit
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unit = Unit(self.ctx, name, [], [])
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self.units.append(unit)
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return unit
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class Units(AUnits):
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def load(self, lst: List[Any]) -> None:
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for unitdct in lst:
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unit = Unit.from_dict(self.ctx, unitdct)
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self.units.append(unit)
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for unit in self.units:
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unit.finish_load()
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def get(self, name: str) -> Optional[Unit]:
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for unit in self.units:
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if unit.name == name or name in unit.aliases:
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return unit
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return None
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def validate(self) -> None:
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unitnames = []
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for unit in self.units:
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unitnames.append(unit.name)
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for unitname, num in collections.Counter(unitnames).items():
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if num > 1:
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self.ctx.issues.error(
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ISSUE_DUPLICATE_UNITS,
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f"units.yaml: {unitname} should only have one entry, found {num}",
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)
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class Ingredient(Element):
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def __init__(
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self,
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ctx: Context,
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name: str,
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wdid: Optional[int],
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prices: List["PriceDB"],
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conversions: List[Conversion],
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aliases: List[str],
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) -> None:
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super().__init__(ctx)
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self.name = name
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self.wdid = wdid
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self.prices = prices
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self.conversions = conversions
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self.aliases = aliases
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@classmethod
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def from_dict(cls, ctx: Context, dct: Dict[str, Any]) -> Self:
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wdid = None
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if "wdid" in dct:
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wdid = dct["wdid"]
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prices: List[PriceDB] = []
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if "prices" in dct:
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for pricedct in dct["prices"]:
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prices.append(PriceDB.from_dict(ctx, pricedct))
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conversions: List[Conversion] = []
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if "conversions" in dct:
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for convdct in dct["conversions"]:
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conversion = Conversion.from_dict(ctx, convdct)
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conversions.append(conversion)
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aliases: List[str] = []
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if "aliases" in dct:
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aliases = dct["aliases"]
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return cls(
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ctx,
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name=dct["name"],
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wdid=wdid,
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prices=prices,
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conversions=conversions,
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aliases=aliases,
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)
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def dfs(
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self,
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conversions: Dict[str, Dict[str, float]],
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startname: str,
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endname: str,
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visited: Optional[List[str]] = None,
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) -> Optional[List[str]]:
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if visited is None:
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visited = []
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if startname == endname:
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return visited + [startname]
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for nextunit in conversions[startname].keys():
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if nextunit in visited:
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continue
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result = self.dfs(conversions, nextunit, endname, visited + [startname])
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if result is not None:
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return result
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return None
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def convert(self, amount: float, unitfrom: Unit, unitto: Unit) -> Optional[float]:
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conversions: Dict[str, Dict[str, float]] = collections.defaultdict(dict)
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# construct node tree
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convs = self.conversions
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for unit in self.ctx.units.units:
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convs += unit.conversions
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for conv in convs:
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fromname = conv.fromunit.name
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toname = conv.tounit.name
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conversions[fromname][toname] = conv.ratio
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conversions[toname][fromname] = 1 / conv.ratio
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# find path between conversions
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path = self.dfs(conversions, unitfrom.name, unitto.name)
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if path is None:
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self.ctx.issues.warn(
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ISSUE_KNOWN_PRICE_UNKNOWN_CONVERSION,
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f"{self.name} has a known price, but conversion {unitfrom.name} -> {unitto.name} not known",
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)
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return None
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assert len(path) != 0
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oldelem = path[0]
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for elem in path[1:]:
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amount *= conversions[oldelem][elem]
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oldelem = elem
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return amount
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def getprice(self, amount: float, unit: Unit) -> Optional["PriceDB"]:
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prices: List[PriceDB] = []
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pricedbs: List[PriceDB] = self.prices
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for entry in pricedbs:
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assert isinstance(entry, PriceDB)
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entryamount: float = entry.amount
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entryprice: float = entry.price
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entryunit: Unit = entry.unit
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price = 0.0
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if entryunit == unit:
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price = (amount / entryamount) * entryprice
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else:
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pricex = self.convert(amount, unit, entryunit)
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if pricex is not None:
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price = (pricex / entryamount) * entryprice
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newentry = PriceDB(
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self.ctx,
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price=price,
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amount=amount,
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unit=unit,
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currency=entry.currency,
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)
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prices.append(newentry)
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if len(prices) == 0:
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return None
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assert len(prices) == 1
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return prices[0]
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class AIngredients:
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def __init__(self, ctx: Context) -> None:
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self.ctx = ctx
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self.ingredients: List[Ingredient] = []
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def load(self, lst: List[Any]) -> None:
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pass
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@abstractmethod
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def get(self, name: str) -> Optional[Ingredient]:
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...
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class FakeIngredients(AIngredients):
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def get(self, name: str) -> Optional[Ingredient]:
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for ing in self.ingredients:
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if ing.name == name:
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return ing
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ing = Ingredient(self.ctx, name, None, [], [], [])
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self.ingredients.append(ing)
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return ing
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class Ingredients(AIngredients):
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def load(self, lst: List[Any]) -> None:
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for ingdct in lst:
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ing = Ingredient.from_dict(self.ctx, ingdct)
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self.ingredients.append(ing)
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def get(self, name: str) -> Optional[Ingredient]:
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for ing in self.ingredients:
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if ing.name == name or name in ing.aliases:
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return ing
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return None
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class PriceDB(Element):
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def __init__(
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self,
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ctx: Context,
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price: float,
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amount: float,
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unit: Unit,
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currency: Optional[str],
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) -> None:
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super().__init__(ctx)
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self.price = price
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self.amount = amount
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self.unit = unit
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self.currency = currency
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@classmethod
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def from_dict(cls, ctx: Context, dct: Dict[str, Any]) -> Self:
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price = dct["price"]
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amount = dct["amount"]
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unitstr = dct["unit"]
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unitx = ctx.units.get(unitstr)
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# uses the default unit if unit is not known (this won't be
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# visible to the user since rendering will stop after
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# everything is evaluated)
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unit = ctx.default_unit
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if unitx is None:
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ctx.issues.error(ISSUE_UNKNOWN_UNIT, f"unknown unit {unitstr}")
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else:
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unit = unitx
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currency = ctx.settings.default_currency
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if "currency" in dct:
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currency = dct["currency"]
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return cls(ctx=ctx, price=price, amount=amount, unit=unit, currency=currency)
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class IngredientInstance(Element):
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def __init__(
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self,
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ctx: Context,
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name: str,
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amount: float,
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unit: Unit,
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alternatives: List["IngredientInstance"],
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note: str,
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price: Optional[PriceDB],
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) -> None:
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super().__init__(ctx)
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self.name = name
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self.amount = amount
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self.unit = unit
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self.alternatives = alternatives
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self.note = note
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self.price = price
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@classmethod
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def from_dict(cls, ctx: Context, dct: Dict[str, Any]) -> Self:
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name = dct["name"]
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ingredient = ctx.ingredients.get(name)
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if ingredient is None:
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ctx.issues.error(
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ISSUE_UNKNOWN_INGREDIENT, f"unknown ingredient {dct['name']}"
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)
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amount = 1.0
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if "amount" in dct:
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amount = dct["amount"]
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unit = ctx.default_unit
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if "unit" in dct:
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unitstr = dct["unit"]
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unitx = ctx.units.get(unitstr)
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if unitx is None:
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ctx.issues.error(ISSUE_UNKNOWN_UNIT, "unknown unit {unitstr}")
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else:
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unit = unitx
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note = ""
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if "note" in dct:
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note = dct["note"]
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alternatives = []
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if "or" in dct:
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for ingdct in dct["or"]:
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ing = IngredientInstance.from_dict(ctx, ingdct)
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alternatives.append(ing)
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price = None
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if ingredient is not None:
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price = ingredient.getprice(amount, unit)
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return cls(
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ctx=ctx,
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name=name,
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amount=amount,
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unit=unit,
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alternatives=alternatives,
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note=note,
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price=price,
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)
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class Recipe(Element):
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def __init__(
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self,
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ctx: Context,
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title: str,
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ingredients: List[IngredientInstance],
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subrecipes: List["Recipe"],
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price: Optional[PriceDB],
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steps: List[str],
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) -> None:
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super().__init__(ctx)
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self.srcpath = ""
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self.outpath = ""
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self.title = title
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self.ingredients = ingredients
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self.subrecipes = subrecipes
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self.price = price
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self.steps = steps
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@classmethod
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def from_dict(cls, ctx: Context, dct: Dict[str, Any]) -> Self:
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ingredients: List[IngredientInstance] = []
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if "ingredients" in dct:
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for ingdct in dct["ingredients"]:
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ingredient = IngredientInstance.from_dict(ctx, ingdct)
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ingredients.append(ingredient)
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subrecipes: List[Recipe] = []
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if "subrecipes" in dct:
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for partdct in dct["subrecipes"]:
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rp = Recipe.from_dict(ctx, partdct)
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subrecipes.append(rp)
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price: Optional[PriceDB] = None
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pricex: float = 0
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ingswithprice = 0
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ingswithoutprice = 0
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currency = None
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for ing in ingredients:
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if ing.price is None:
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ingswithoutprice += 1
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continue
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||||
ingswithprice += 1
|
||||
pricex += ing.price.price
|
||||
cur_currency = ing.price.currency
|
||||
if currency is None:
|
||||
currency = cur_currency
|
||||
elif currency != cur_currency:
|
||||
# we don't know how to convert currencies yet
|
||||
currency = None
|
||||
break
|
||||
if currency is None or ingswithoutprice != 0 or len(ingredients) == 0:
|
||||
price = None
|
||||
else:
|
||||
price = PriceDB(
|
||||
ctx=ctx,
|
||||
price=pricex,
|
||||
amount=1,
|
||||
unit=ctx.default_unit,
|
||||
currency=currency,
|
||||
)
|
||||
|
||||
steps = []
|
||||
if "steps" in dct:
|
||||
steps = dct["steps"]
|
||||
return cls(
|
||||
ctx=ctx,
|
||||
title=dct["title"],
|
||||
ingredients=ingredients,
|
||||
subrecipes=subrecipes,
|
||||
price=price,
|
||||
steps=steps,
|
||||
)
|
||||
|
||||
|
||||
class Builder:
|
||||
def __init__(self) -> None:
|
||||
self.jinjaenv = jinja2.Environment(
|
||||
loader=jinja2.FileSystemLoader("templates"),
|
||||
autoescape=jinja2.select_autoescape(),
|
||||
)
|
||||
|
||||
def numprint(input: int) -> str:
|
||||
out = str(input)
|
||||
if out.endswith(".0"):
|
||||
return out.split(".", maxsplit=1)[0]
|
||||
return out
|
||||
|
||||
def amountprint(input: int) -> str:
|
||||
out = numprint(input)
|
||||
if out == "0.5":
|
||||
return "1/2"
|
||||
if out == "0.25":
|
||||
return "1/4"
|
||||
if out == "0.75":
|
||||
return "3/4"
|
||||
return out
|
||||
|
||||
self.jinjaenv.filters["numprint"] = numprint
|
||||
self.jinjaenv.filters["amountprint"] = amountprint
|
||||
self.ctx = Context()
|
||||
# list of output files that will be built
|
||||
self.outfiles: Set[str] = set()
|
||||
|
||||
def load_file(self, file: str) -> Any:
|
||||
print(f"loading {file}")
|
||||
with open(file, encoding="utf-8") as f:
|
||||
txt = f.read()
|
||||
if file.endswith(".json"):
|
||||
return json.loads(txt)
|
||||
return yaml.safe_load(txt)
|
||||
|
||||
def rendertemplate(
|
||||
self, templatepath: str, format: str, file: str, dir: str, args: Any
|
||||
) -> None:
|
||||
template = self.jinjaenv.get_template(templatepath)
|
||||
print(f"rendering {file}")
|
||||
outstr = template.render(args)
|
||||
|
||||
os.makedirs(f"{dir}/out/{format}", exist_ok=True)
|
||||
|
||||
with open(f"{dir}/out/{format}/{file}", "w", encoding="utf-8") as f:
|
||||
f.write(outstr)
|
||||
self.outfiles.add(file)
|
||||
|
||||
def load(self, dir: str) -> int:
|
||||
if os.path.isfile(dir + "/settings.yaml"):
|
||||
settingsdct = self.load_file(dir + "/settings.yaml")
|
||||
settingsschema = self.load_file("schemas/settings.json")
|
||||
self.ctx.load_settings(settingsdct, settingsschema)
|
||||
retcode = self.ctx.issues.check()
|
||||
if retcode != 0:
|
||||
return 1
|
||||
|
||||
if os.path.isfile(dir + "/units.yaml"):
|
||||
unitsschema = self.load_file("schemas/units.json")
|
||||
unitsdct = self.load_file(dir + "/units.yaml")
|
||||
self.ctx.load_units(unitsdct, unitsschema)
|
||||
retcode = self.ctx.issues.check()
|
||||
if retcode != 0:
|
||||
return 1
|
||||
|
||||
if os.path.isfile(dir + "/ingredients.yaml"):
|
||||
ingredientsdct = self.load_file(dir + "/ingredients.yaml")
|
||||
ingredientsschema = self.load_file("schemas/ingredients.json")
|
||||
self.ctx.load_ingredients(ingredientsdct, ingredientsschema)
|
||||
retcode = self.ctx.issues.check()
|
||||
if retcode != 0:
|
||||
return 1
|
||||
|
||||
return 0
|
||||
|
||||
def run(self, dir: str) -> int:
|
||||
files = []
|
||||
for _, _, filesx in os.walk(dir + "/recipes"):
|
||||
files = filesx
|
||||
files.sort()
|
||||
|
||||
recipes: List[Recipe] = []
|
||||
recipeschema = self.load_file("schemas/recipe.json")
|
||||
for file in files:
|
||||
if not file.endswith(".yaml"):
|
||||
print(f"unknown extension of {file}")
|
||||
continue
|
||||
recipedct = self.load_file(dir + "/recipes/" + file)
|
||||
jsonschema.validate(instance=recipedct, schema=recipeschema)
|
||||
recipe = Recipe.from_dict(self.ctx, recipedct)
|
||||
recipe.srcpath = file
|
||||
recipe.outpath = file[:-5] + ".html"
|
||||
if self.ctx.issues.check() != 0:
|
||||
continue
|
||||
recipes.append(recipe)
|
||||
|
||||
retcode = self.ctx.issues.check()
|
||||
if retcode != 0:
|
||||
return 1
|
||||
|
||||
self.rendertemplate(
|
||||
templatepath="index.html",
|
||||
format="html",
|
||||
file="index.html",
|
||||
dir=dir,
|
||||
args={"recipes": recipes},
|
||||
)
|
||||
for recipe in recipes:
|
||||
self.rendertemplate(
|
||||
templatepath="recipe.html",
|
||||
format="html",
|
||||
file=recipe.outpath,
|
||||
dir=dir,
|
||||
args={"recipe": recipe},
|
||||
)
|
||||
return 0
|
||||
|
||||
def finish(self, dir: str) -> int:
|
||||
files = set()
|
||||
for _, _, filesx in os.walk(f"{dir}/out/html"):
|
||||
files = set(filesx)
|
||||
|
||||
# files we did not generate, probably left by a previous run, but not valid anymore
|
||||
extra_files = files - self.outfiles
|
||||
for file in extra_files:
|
||||
print(f"removing obsolete {file}")
|
||||
os.remove(f"{dir}/out/html/{file}")
|
||||
return 0
|
||||
|
||||
def build(self, path: str) -> int:
|
||||
fcs = [self.load, self.run, self.finish]
|
||||
for func in fcs:
|
||||
try:
|
||||
ret = func(path)
|
||||
if ret != 0:
|
||||
return ret
|
||||
except jsonschema.exceptions.ValidationError as e:
|
||||
print("ERROR:", e)
|
||||
return 1
|
||||
return 0
|
||||
Loading…
Add table
Add a link
Reference in a new issue