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UX-13 P5: Dutch text, STYLE check, DOCS screenshots, period editor
- app/ui_text/nl.json and app/uitext.py: every page word in Dutch, English
  fallback per key; the page picks by browser language. Home's sentences
  move into ui_text `home_words`, so /status?lang=nl builds them in Dutch.
- test_ui_text.py: EN/NL key and placeholder parity, STYLE limits, jargon
  lists for both languages, no inline details, untranslated Dutch caught.
  Shared rules moved unchanged to tools/style_rules.py.
- tools/ux13_screenshots.sh/.py: DOCS screenshots from the demo fixtures in
  headless Chromium; docs/img/ux13/. Battery modes (P3): no screenshot.
- "Other time windows": a list editor (ui.periods) that builds
  static_profile and names bad times, empty prices, overlaps and gaps.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-28 16:33:32 +02:00

489 lines
20 KiB
Python

"""UX-13: stored options <-> the page model, for the keys the page derives.
`options_to_ui()` turns the stored blob into what the page edits: always a list
of inverter cards, solar rows with a "reads negative" toggle, a contract and
simple prices or time windows (P5) instead of `static_profile` JSON, and a
region preset instead of the levies figure. `ui_to_options()` turns it back, so the validator and the
Supervisor always see the real blob.
The rule that makes the round trip exact: the model carries the stored values
of the derived keys (`keep`). A derivation whose page fields still read what
`keep` decodes to writes `keep` back untouched, and only an edited one is
re-encoded. So a blob the page cannot express (a `static_profile` with odd
windows, a malformed roster) survives a save of some other field unchanged.
See DECISIONS/UX-13-one-layout-table.md.
"""
import copy
import json
import re
from .price import FLEMISH_TAXES_COMPONENTS_EUR_KWH, MAX_PLAUSIBLE_EUR_KWH
from .static_tariff import (DAY_NAMES, MINUTES_PER_DAY, Period, ProfileInvalid,
parse_static_profile)
__all__ = ["options_to_ui", "ui_to_options", "ui_to_options_partial",
"REGION_PRESETS", "PERIOD_DAYS",
"arbitrage_from_batteries", "DeriveError", "COUNT", "GROWN"]
class DeriveError(ValueError):
"""The page model asks for something no options blob can say. `code` names
the sentence the page shows (app/ui_text `derive.<code>`), and `field` the
page field it is shown beside."""
def __init__(self, text, code="", field="", **values):
super().__init__(text)
self.code, self.field = code, field
self.values = values # the sentence's {placeholders} (P5)
self.keys = () # the option keys the failed derivation writes
# The page model's inverter count, which show conditions read, and what adding
# a card sets: a second inverter turns the one flat inverter into a list.
COUNT = "inverter_count"
GROWN = {"inverter_shape": "list"}
# --------------------------------------------------------------------------- #
# Region presets for "Grid costs, levies and VAT". Year-stamped, updated each
# January (owner, 2026-09-27). Only presets with a sourced figure are listed:
# Flanders is app/price.py's Fluvius Antwerpen sum (TARIFF-18: Eneco
# residential card, Flanders, September 2026, VAT included). Wallonia and
# Brussels have a day and a night band (config.yaml) and join with sourced
# figures; until then those sites choose "own".
# --------------------------------------------------------------------------- #
REGION_PRESETS = {
"flanders": {
"year": 2026,
"taxes_eur_kwh": round(sum(v for _n, v in
FLEMISH_TAXES_COMPONENTS_EUR_KWH), 5),
"taxes_profile": "",
},
}
OWN = "own"
_ROSTER_FLAT = ("setpoint_entity", "soc_entity", "batt_entity", "batt_invert",
"max_w", "bms_soc_floor")
_TOL = 1e-9
def _blank(v) -> bool:
return v is None or (isinstance(v, str) and not v.strip())
def _num(v):
try:
return None if _blank(v) or isinstance(v, bool) else float(v)
except (TypeError, ValueError):
return None
# --- 1. one inverter (flat keys) or the `inverters` list -------------------- #
def _roster_decode(o):
entries = o.get("inverters")
if entries is None or entries == "" or entries == []:
card = {k: o.get(k) for k in _ROSTER_FLAT}
card.update(name="", capacity_kwh=None)
return {"inverter_shape": "flat", "inverters": [card]}
if isinstance(entries, list) and all(isinstance(e, dict) for e in entries):
return {"inverter_shape": "list",
"inverters": [dict(e) for e in entries]}
# Not something a card can show: edited in the Configuration tab only.
return {"inverter_shape": "raw", "inverters": None}
def _roster_encode(m, keep):
out = {}
shape, cards = m.get("inverter_shape"), m.get("inverters")
if shape == "raw":
raise DeriveError("the inverter list is edited in the Configuration tab",
"raw_roster", "inverters")
if not cards:
raise DeriveError("at least one inverter is needed", "no_inverter",
"inverters")
if shape == "flat" and len(cards) == 1:
card = cards[0]
if not _blank(card.get("name")) or not _blank(card.get("capacity_kwh")):
raise DeriveError("one inverter stored flat has no name or "
"capacity", "flat_named", "inverters")
for k in _ROSTER_FLAT:
if card.get(k) is not None or k in keep:
out[k] = card.get(k)
out["inverters"] = []
return out
out["inverters"] = [{k: v for k, v in c.items() if v is not None}
for c in cards]
# The flat keys beside a list are not read: they stay as stored.
out.update({k: copy.deepcopy(keep[k]) for k in _ROSTER_FLAT if k in keep})
if shape == "flat" or _roster_decode(keep)["inverter_shape"] == "flat":
# CFG-04 rule 9e: a flat power request entity beside a list is refused,
# so a list that replaces the flat inverter clears it.
out["setpoint_entity"] = ""
return out
# --- 2. solar rows: pv_entity / pv_entities / pv_invert_entities ------------ #
def _strs(v):
return [str(x).strip() for x in (v if isinstance(v, list) else [])
if not _blank(x)]
def _solar_rows(o):
listed = _strs(o.get("pv_entities"))
if listed:
return listed, True
one = "" if _blank(o.get("pv_entity")) else str(o.get("pv_entity")).strip()
return ([one] if one else []), False
def _solar_decode(o):
rows, _listed = _solar_rows(o)
flipped = set(_strs(o.get("pv_invert_entities")))
return {"ui.solar": [{"entity": e, "reversed": e in flipped}
for e in rows]}
def _solar_encode(m, keep):
out = {}
rows = [r for r in (m.get("ui.solar") or [])
if not _blank(r.get("entity"))]
entities = [str(r["entity"]).strip() for r in rows]
old_rows, was_list = _solar_rows(keep)
if len(entities) <= 1 and not was_list:
out["pv_entity"] = entities[0] if entities else ""
if "pv_entities" in keep:
out["pv_entities"] = []
else:
out["pv_entities"] = entities
if "pv_entity" in keep:
out["pv_entity"] = "" # TEL-12: the list replaces it
# Flips of entities that were never a row stay as stored (pv.stray_inverts
# reports them). Flips of removed rows go with the row.
extras = [x for x in _strs(keep.get("pv_invert_entities"))
if x not in old_rows and x not in entities]
flips = [e for e, r in zip(entities, rows) if r.get("reversed")] + extras
if flips or "pv_invert_entities" in keep:
out["pv_invert_entities"] = flips
return out
# --- 3. contract and static_profile ----------------------------------------- #
def _fixed_json(price) -> str:
return json.dumps({"periods": [
{"name": "all", "from": "00:00", "to": "24:00", "days": "mon-sun",
"eur_per_kwh": price}]})
def _daynight_json(day, night) -> str:
return json.dumps({"periods": [
{"name": "day", "from": "07:00", "to": "22:00", "days": "mon-fri",
"eur_per_kwh": day},
{"name": "night", "from": "22:00", "to": "07:00", "days": "mon-fri",
"eur_per_kwh": night},
{"name": "night", "from": "00:00", "to": "24:00", "days": "sat,sun",
"eur_per_kwh": night}]})
def _shape(text):
"""The periods of a profile without their names, for comparing, or None."""
try:
prof = parse_static_profile(text)
except ProfileInvalid:
return None
if prof is None:
return ()
return tuple(sorted((p.start_min, p.end_min, tuple(sorted(p.days)),
p.eur_per_kwh) for p in prof.periods))
def _profile_decode(raw):
"""("none"|"fixed"|"daynight"|"custom", fixed, day, night)."""
if isinstance(raw, str) and _blank(raw):
return "none", None, None, None
if not isinstance(raw, str):
return "custom", None, None, None
got = _shape(raw)
if not got:
return ("none" if got == () else "custom"), None, None, None
if len(got) == 1 and got == _shape(_fixed_json(got[0][3])):
return "fixed", got[0][3], None, None
day = next((p[3] for p in got if p[:2] == (420, 1320)), None)
night = next((p[3] for p in got if p[:2] == (1320, 420)), None)
if (day is not None and night is not None
and got == _shape(_daynight_json(day, night))):
return "daynight", None, day, night
return "custom", None, None, None
# --- 3b. the time-window editor (UX-13 P5) ---------------------------------- #
# Each row is {"from", "to", "days", "price"} and, when read from a stored
# profile, its "name". `days` is one of these; a profile with any other day set
# is edited in the Configuration tab only (`ui.periods` is None).
PERIOD_DAYS = ("mon-sun", "mon-fri", "sat,sun") + DAY_NAMES
_DAYSETS = {d: frozenset(range(7)) if d == "mon-sun" else
frozenset(range(5)) if d == "mon-fri" else
frozenset((5, 6)) if d == "sat,sun" else
frozenset((DAY_NAMES.index(d),)) for d in PERIOD_DAYS}
_TIME = re.compile(r"^\s*(\d{1,2}):(\d{2})\s*$")
def _hhmm(minute) -> str:
return f"{minute // 60:02d}:{minute % 60:02d}"
def _periods_decode(raw):
"""The rows for a stored profile: [] when unset, None when it cannot be
shown as rows (unparsable, or days the editor has no choice for)."""
try:
prof = parse_static_profile(raw) if isinstance(raw, str) else None
except ProfileInvalid:
return None
if prof is None:
return [] if isinstance(raw, str) else None
rows = []
for p in prof.periods:
days = next((d for d, s in _DAYSETS.items() if s == p.days), None)
if days is None:
return None
rows.append({"from": _hhmm(p.start_min), "to": _hhmm(p.end_min),
"days": days, "price": p.eur_per_kwh, "name": p.name})
return rows
def _minute(text, *, end):
""""07:00" -> 420, "24:00" -> 1440 as an end, else None."""
m = _TIME.match(str(text or ""))
if not m:
return None
h, mi = int(m.group(1)), int(m.group(2))
if mi > 59 or h > 24 or (h == 24 and (mi or not end)):
return None
return h * 60 + mi
def _periods_json(rows) -> str:
"""The static_profile for the editor's rows, or DeriveError naming the
first problem: a bad time, an empty price, an overlap or a gap."""
if not rows:
raise DeriveError("add at least one time window", "no_periods",
"ui.periods")
periods = []
for i, row in enumerate(rows, start=1):
row = row if isinstance(row, dict) else {}
start = _minute(row.get("from"), end=False)
end = _minute(row.get("to"), end=True)
if start is None or end is None:
raise DeriveError(f"window {i} has a bad time", "period_time",
"ui.periods", row=i)
end = end or MINUTES_PER_DAY # "00:00" as an end
if start == end:
raise DeriveError(f"window {i} is empty", "period_zero",
"ui.periods", row=i)
price = _num(row.get("price"))
if price is None:
raise DeriveError(f"window {i} needs a price", "period_price",
"ui.periods", row=i)
if abs(price) > MAX_PLAUSIBLE_EUR_KWH:
raise DeriveError(f"window {i}'s price is out of range",
"period_price_range", "ui.periods", row=i)
if row.get("days") not in _DAYSETS:
raise DeriveError(f"window {i} has no days", "unknown",
"ui.periods")
name = str(row.get("name") or "").strip() or f"window{i}"
periods.append(Period(name=name, start_min=start, end_min=end,
days=_DAYSETS[row["days"]],
eur_per_kwh=price))
_tiling(periods)
return json.dumps({"periods": [
{"name": p.name, "from": _hhmm(p.start_min),
"to": _hhmm(p.end_min), "days": row["days"],
"eur_per_kwh": p.eur_per_kwh}
for p, row in zip(periods, rows)]})
def _tiling(periods):
"""Each minute of the week in exactly one window, as static_tariff.py
requires. The first overlap or gap, by day and time, is the error."""
for day in range(7):
start, kind, rows = None, None, None
for minute in range(MINUTES_PER_DAY + 1):
here = [i for i, p in enumerate(periods, start=1)
if minute < MINUTES_PER_DAY and p.covers(day, minute)]
now = ("gap" if not here else "overlap" if len(here) > 1
else None) if minute < MINUTES_PER_DAY else "end"
if kind is not None and (now != kind or (kind == "overlap"
and here != rows)):
values = {"day": DAY_NAMES[day], "from": _hhmm(start),
"to": _hhmm(minute)}
if kind == "gap":
raise DeriveError("a time has no window", "period_gap",
"ui.periods", **values)
raise DeriveError("two windows cover one time",
"period_overlap", "ui.periods",
a=rows[0], b=rows[1], **values)
if now in ("gap", "overlap") and kind is None:
start, kind, rows = minute, now, here
def _tariff_decode(o):
raw = o.get("static_profile", "")
kind, fixed, day, night = _profile_decode(raw)
provider = o.get("price_provider")
dynamic = not _blank(provider) and provider != "off"
return {"ui.contract": "dynamic" if dynamic else kind,
"price_provider": provider, "ui.fallback": kind,
"ui.fixed_price": fixed, "ui.day_price": day,
"ui.night_price": night, "ui.periods": _periods_decode(raw)}
def _tariff_encode(m, keep):
out = {}
contract = m.get("ui.contract")
if contract == "dynamic":
if _blank(m.get("price_provider")) or m.get("price_provider") == "off":
raise DeriveError("a dynamic contract needs a price source",
"no_source", "price_provider")
out["price_provider"] = m["price_provider"]
kind = m.get("ui.fallback")
else:
out["price_provider"] = "off"
kind = contract
if kind == "none":
out["static_profile"] = ""
elif kind == "fixed":
out["static_profile"] = _fixed_json(_price_of(m, "ui.fixed_price"))
elif kind == "daynight":
out["static_profile"] = _daynight_json(_price_of(m, "ui.day_price"),
_price_of(m, "ui.night_price"))
elif kind == "custom":
rows = m.get("ui.periods")
if rows is not None:
out["static_profile"] = _periods_json(rows)
elif "static_profile" not in keep:
raise DeriveError("odd tariff windows are edited in the "
"Configuration tab", "custom_profile",
"ui.contract")
else:
# Days the editor cannot show: kept as stored.
out["static_profile"] = keep["static_profile"]
else:
raise DeriveError(f"unknown contract {kind!r}", "unknown",
"ui.contract")
return out
def _price_of(m, name):
value = _num(m.get(name))
if value is None:
raise DeriveError(f"{name} needs a price", "no_price", name)
return value
# --- 4. region preset -> price_taxes_eur_kwh / price_taxes_profile ---------- #
def _region_decode(o):
taxes, profile = o.get("price_taxes_eur_kwh"), o.get("price_taxes_profile", "")
region = OWN
for rid, p in REGION_PRESETS.items():
same = _num(taxes) is not None and abs(_num(taxes) - p["taxes_eur_kwh"]) < _TOL
if same and str(profile or "").strip() == p["taxes_profile"]:
region = rid
return {"ui.region": region, "price_taxes_eur_kwh": taxes}
def _region_encode(m, keep):
region = m.get("ui.region")
if region == OWN:
out = {"price_taxes_eur_kwh": m.get("price_taxes_eur_kwh")}
if "price_taxes_profile" in keep: # "own" keeps the stored table
out["price_taxes_profile"] = keep["price_taxes_profile"]
return out
if region not in REGION_PRESETS:
raise DeriveError(f"unknown region {region!r}", "unknown", "ui.region")
p = REGION_PRESETS[region]
out = {"price_taxes_eur_kwh": p["taxes_eur_kwh"]}
if p["taxes_profile"] or "price_taxes_profile" in keep:
out["price_taxes_profile"] = p["taxes_profile"]
return out
# --- 5. arbitrage_enabled: the OPT-11 hook ---------------------------------- #
def arbitrage_from_batteries(m):
"""OPT-11 hook. With battery modes on, `arbitrage_enabled` is true when any
battery may sell. Battery modes are not built yet, so this returns None and
the toggle is stored as the page has it: no behaviour change."""
return None
def _arbitrage_decode(o):
return {"arbitrage_enabled": o.get("arbitrage_enabled")}
def _arbitrage_encode(m, keep):
derived = arbitrage_from_batteries(m)
value = m.get("arbitrage_enabled") if derived is None else derived
return {} if value is None and "arbitrage_enabled" not in keep \
else {"arbitrage_enabled": value}
# (option keys it writes, decode, encode). Each is independent of the others.
DERIVATIONS = (
(("inverters",) + _ROSTER_FLAT, _roster_decode, _roster_encode),
(("pv_entity", "pv_entities", "pv_invert_entities"), _solar_decode,
_solar_encode),
(("price_provider", "static_profile"), _tariff_decode, _tariff_encode),
(("price_taxes_eur_kwh", "price_taxes_profile"), _region_decode,
_region_encode),
(("arbitrage_enabled",), _arbitrage_decode, _arbitrage_encode),
)
_OWNED = {k for keys, _d, _e in DERIVATIONS for k in keys}
_MODEL_ONLY = ("keep", "inverter_shape", "inverter_count", "region_year")
def options_to_ui(options: dict) -> dict:
"""The page model for a stored blob. Pure: reads nothing else."""
model = {k: copy.deepcopy(v) for k, v in options.items()
if k not in _OWNED}
for _keys, decode, _encode in DERIVATIONS:
model.update(decode(options))
model["keep"] = {k: copy.deepcopy(options[k]) for k in _OWNED
if k in options}
cards = model.get("inverters")
model["inverter_count"] = len(cards) if isinstance(cards, list) else None
preset = REGION_PRESETS.get(model["ui.region"])
model["region_year"] = preset["year"] if preset else None
return model
def ui_to_options(model: dict) -> dict:
"""The options blob for a page model. Raises DeriveError on a model no blob
can express, so the page says so instead of saving something else."""
out, errors = ui_to_options_partial(model)
if errors:
raise errors[0]
return out
def ui_to_options_partial(model: dict):
"""(blob, [DeriveError]): every derivation that can be made, and the
stored values (`keep`) for each one that cannot. For the checks only, so a
step can be blocked by its own field and the rest still checked (UX-15
F1). Never saved: `ui_to_options()` raises instead."""
keep = model.get("keep") or {}
out = {k: copy.deepcopy(v) for k, v in model.items()
if k not in _MODEL_ONLY and k not in _OWNED
and not k.startswith("ui.")}
errors = []
for keys, decode, encode in DERIVATIONS:
was = decode(keep)
if all(model.get(name) == value for name, value in was.items()):
out.update({k: copy.deepcopy(keep[k]) for k in keys if k in keep})
continue
try:
out.update(encode(model, keep))
except DeriveError as err:
err.keys = keys
errors.append(err)
out.update({k: copy.deepcopy(keep[k]) for k in keys if k in keep})
return out, errors