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process_cldr_data.py
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process_cldr_data.py
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import functools
import json
import os
import unicodedata
def remove_control_characters(s):
return "".join(ch for ch in s if unicodedata.category(ch)[0] != "C")
def normalize_whitespace(char):
return str(unicodedata.normalize("NFKD", char).encode("ascii", "ignore"))
def sort_dict(d: dict) -> dict:
return {
k: dict(sorted(v.items())) if isinstance(v, dict) else v
for k, v in dict(sorted(d.items())).items()
}
print("processing cldr data...")
_raw_currency_data: dict | None = None
def get_raw_currency_data() -> dict:
"""Returns the following structure:
{
"fractions": {
"curr_code": {
"_rounding": int,
"_digits": int,
"_cashRounding": int (optional),
"_cashDigits": int (optional),
},
...,
},
"region": {
"county_code": [
{
"curr_code": {
"_from": date_string,
"_to": date_string (optional) - indicates current circulation.
},
...,
},
...,
],
...,
}
}
"""
global _raw_currency_data
if _raw_currency_data is not None:
return _raw_currency_data
with open(
"cldr-json/cldr-json/cldr-core/supplemental/currencyData.json", "r"
) as json_file:
_raw_currency_data = json.load(json_file)["supplemental"]["currencyData"]
return _raw_currency_data
_local_currency_tags: dict[str, str] | None = None
def get_local_currency_tags() -> dict[str, str]:
global _local_currency_tags
if _local_currency_tags is not None:
return _local_currency_tags
local_currencies = {}
for country_code, tenders in get_raw_currency_data()["region"].items():
for currencies in tenders:
for curr_code, curr_status in currencies.items():
if "_from" in curr_status and "_to" not in curr_status:
if country_code not in local_currencies:
local_currencies[country_code] = curr_code
_local_currency_tags = dict(sorted(local_currencies.items()))
return _local_currency_tags
_supported_currency_tags: list[str] | None = None
def get_supported_currency_tags() -> list[str]:
global _supported_currency_tags
if _supported_currency_tags is not None:
return _supported_currency_tags
supported_currencies = []
for country_code, tenders in get_raw_currency_data()["region"].items():
for currencies in tenders:
for curr_code, curr_status in currencies.items():
if "_from" in curr_status and "_to" not in curr_status:
if curr_code not in supported_currencies:
supported_currencies.append(curr_code.upper())
_supported_currency_tags = sorted(supported_currencies)
return _supported_currency_tags
def restructure_fractions_data(curr_data: dict, key: str) -> dict:
output_dict = {}
for k, v in curr_data[key].items():
if k == "_rounding":
output_dict["denomination"] = v
elif k == "_digits":
output_dict["places"] = v
elif k == "_cashRounding":
output_dict["cash_denomination"] = v
elif k == "_cashDigits":
output_dict["cash_places"] = v
if "cash_denomination" not in output_dict:
output_dict["cash_denomination"] = output_dict["denomination"]
if "cash_places" not in output_dict:
output_dict["cash_places"] = output_dict["places"]
return output_dict
_parsed_currency_data: dict | None = None
def parse_currency_data() -> dict:
global _parsed_currency_data
if _parsed_currency_data is not None:
return _parsed_currency_data
raw_fractions_data = get_raw_currency_data()["fractions"]
_currency_data = {}
_currency_data["DEFAULT"] = restructure_fractions_data(
raw_fractions_data, "DEFAULT"
)
for i in get_supported_currency_tags():
if i in raw_fractions_data:
_currency_data[i] = restructure_fractions_data(raw_fractions_data, i)
for _data in _currency_data.values():
for k, v in _data.items():
_data[k] = int(v)
_parsed_currency_data = sort_dict(_currency_data)
return _parsed_currency_data
_locale_dirs: list[str] | None = None
def get_locale_dirs() -> list[str]:
global _locale_dirs
if _locale_dirs is not None:
return _locale_dirs
locale_dirs = []
with os.scandir("cldr-json/cldr-json/cldr-numbers-modern/main") as dir_contents:
for entry in dir_contents:
if entry.is_dir():
locale_dirs.append(entry.name)
_locale_dirs = locale_dirs
return locale_dirs
_raw_locale_data: dict | None = None
def get_raw_locale_data() -> dict:
global _raw_locale_data
if _raw_locale_data is not None:
return _raw_locale_data
locale_data = {}
for locale_dir in get_locale_dirs():
locale_dict = {}
currencies = {}
numbers = {}
with open(
"".join(
[
"cldr-json/cldr-json/cldr-numbers-modern/main/",
locale_dir,
"/currencies.json",
]
),
"r",
) as json_file:
currencies = json.load(json_file)["main"][locale_dir]["numbers"][
"currencies"
]
with open(
"".join(
[
"cldr-json/cldr-json/cldr-numbers-modern/main/",
locale_dir,
"/numbers.json",
]
),
"r",
) as json_file:
numbers = json.load(json_file)["main"][locale_dir]["numbers"]
default_number_system = numbers["defaultNumberingSystem"]
format_symbols = {}
patterns = {"standard": "", "accounting": ""}
for key in numbers.keys():
if key.startswith(
"".join(["symbols-numberSystem-", default_number_system])
):
format_symbols = numbers[key]
elif key.startswith(
"".join(["currencyFormats-numberSystem-", default_number_system])
):
patterns["standard"] = numbers[key]["standard"]
patterns["accounting"] = numbers[key]["accounting"]
if not format_symbols or not patterns["standard"] or not patterns["accounting"]:
# Incomplete locale data.
print(locale_dir, " missing locale data")
continue
locale_dict["patterns"] = patterns
locale_dict["format_symbols"] = format_symbols
currency_symbols = {}
for k, v in currencies.items():
if "symbol" in v:
currency_symbols[k.upper()] = v["symbol"]
elif "symbol-alt-narrow" in v:
currency_symbols[k.upper()] = v["symbol-alt-narrow"]
else:
currency_symbols[k.upper()] = k.upper()
locale_dict["currency_symbols"] = currency_symbols
locale_data[locale_dir] = locale_dict
_raw_locale_data = locale_data
return locale_data
_locale_strings: dict[str, str] | None = None
def get_locale_strings() -> dict[str, str]:
global _locale_strings
if _locale_strings is not None:
return _locale_strings
identities = {}
for locale_dir in get_locale_dirs():
with open(
"".join(
[
"cldr-json/cldr-json/cldr-numbers-modern/main/",
locale_dir,
"/currencies.json",
]
),
"r",
) as json_file:
identities[locale_dir] = json.load(json_file)["main"][locale_dir][
"identity"
]
with open(
"cldr-json/cldr-json/cldr-core/supplemental/likelySubtags.json", "r"
) as json_file:
dir_to_locale_mapping = json.load(json_file)["supplemental"]["likelySubtags"]
locale_strings = {}
for locale_dir in get_locale_dirs():
identity = identities[locale_dir]
if "language" not in identity:
continue
locale_string = ""
if "territory" in identity:
locale_string = "_".join([identity["language"], identity["territory"]])
else:
if locale_dir in dir_to_locale_mapping:
new_string = dir_to_locale_mapping[locale_dir]
split_string = new_string.split("-")
language = split_string[0]
# Teritory is last item in split.
split_string.reverse()
country = split_string[0]
locale_string = "_".join([language, country])
else:
locale_string = locale_dir
split_locale = locale_string.split("_")
if len(split_locale) != 2:
continue
language = split_locale[0]
country = split_locale[1]
country_is_macroregion = False
try:
int(country)
country_is_macroregion = True
except:
pass
if country_is_macroregion:
continue
else:
locale_strings[locale_dir] = locale_string
_locale_strings = locale_strings
return locale_strings
@functools.lru_cache
def parse_formatting_pattern(pattern: str) -> dict:
parsed_data_dict: dict[str, int | tuple[int, ...]] = {}
pattern_split = pattern.split(";")
for sign in ["positive", "negative"]:
parsed_pattern = remove_control_characters(pattern_split[0])
if len(pattern_split) > 1:
parsed_pattern = remove_control_characters(
pattern_split[0 if sign == "positive" else 1]
)
symbol_placeholder = "¤"
decimal_split = parsed_pattern.split(".")
# A value of -1 for sign position means don't include the sign
# in the formatted string, so we use this as default
# for the positive sign. The negative sign should always
# be shown unless the value is 0, which indicates parenthesis, so
# We default to 1 for the negative sign.
parsed_data_dict["positive_sign_position"] = -1
parsed_data_dict["negative_sign_position"] = 1
parsed_data_dict["_".join([sign, "symbol_space"])] = -1
if parsed_pattern.startswith("(") and parsed_pattern.endswith(")"):
parsed_data_dict["_".join([sign, "sign_position"])] = 0
new_parsed_pattern = parsed_pattern.lstrip("(").rstrip(")")
parsed_pattern = new_parsed_pattern
if parsed_pattern.startswith("-"):
parsed_data_dict["_".join([sign, "sign_position"])] = 1
new_parsed_pattern = parsed_pattern.lstrip("-")
if normalize_whitespace(new_parsed_pattern).startswith(
normalize_whitespace(" ")
):
parsed_data_dict["_".join([sign, "symbol_space"])] = 2
parsed_pattern = new_parsed_pattern
elif parsed_pattern.endswith("-"):
parsed_data_dict["_".join([sign, "sign_position"])] = 2
new_parsed_pattern = parsed_pattern.rstrip("-")
if normalize_whitespace(new_parsed_pattern).endswith(
normalize_whitespace(" ")
):
parsed_data_dict["_".join([sign, "symbol_space"])] = 2
parsed_pattern = new_parsed_pattern
if parsed_pattern.startswith(symbol_placeholder):
parsed_data_dict["_".join([sign, "symbol_before"])] = True
if parsed_data_dict["_".join([sign, "symbol_space"])] == -1:
if normalize_whitespace(parsed_pattern[1]) == normalize_whitespace(
normalize_whitespace(" ")
):
if parsed_pattern[2] == "-":
parsed_data_dict["_".join([sign, "sign_position"])] = 4
parsed_data_dict["_".join([sign, "symbol_space"])] = 2
else:
parsed_data_dict["_".join([sign, "symbol_space"])] = 1
elif parsed_pattern[1] == "-":
parsed_data_dict["_".join([sign, "sign_position"])] = 4
if normalize_whitespace(parsed_pattern[2]) == normalize_whitespace(
" "
):
parsed_data_dict["_".join([sign, "symbol_space"])] = 1
else:
parsed_data_dict["_".join([sign, "symbol_space"])] = 0
elif parsed_pattern.endswith(symbol_placeholder):
parsed_data_dict["_".join([sign, "symbol_before"])] = False
if parsed_data_dict["_".join([sign, "symbol_space"])] == -1:
plen = len(parsed_pattern)
if normalize_whitespace(
parsed_pattern[plen - 2]
) == normalize_whitespace(" "):
if parsed_pattern[plen - 3] == "-":
parsed_data_dict["_".join([sign, "sign_position"])] = 3
parsed_data_dict["_".join([sign, "symbol_space"])] = 2
else:
parsed_data_dict["_".join([sign, "symbol_space"])] = 1
elif parsed_pattern[plen - 2] == "-":
parsed_data_dict["_".join([sign, "sign_position"])] = 3
if normalize_whitespace(
parsed_pattern[plen - 3]
) == normalize_whitespace(" "):
parsed_data_dict["_".join([sign, "symbol_space"])] = 1
else:
parsed_data_dict["_".join([sign, "symbol_space"])] = 0
group_split = decimal_split[0].split(",")
if len(group_split) > 1:
grouping_list = []
for grouping in group_split:
if len(grouping) > 1:
should_append = True
for char in grouping:
if char != "#" and char != "0":
should_append = False
if should_append:
grouping_list.append(len(grouping))
parsed_data_dict["_".join([sign, "grouping"])] = tuple(grouping_list)
else:
parsed_data_dict["_".join([sign, "grouping"])] = (-1,)
return parsed_data_dict
_parsed_locale_data: dict[str, dict] | None = None
def parse_locale_data() -> dict[str, dict]:
global _parsed_locale_data
if _parsed_locale_data is not None:
return _parsed_locale_data
def sort_formatting_dict(formatting_dict):
return sort_dict({k: sort_dict(v) for k, v in formatting_dict.items()})
accounting_data, standard_data = {}, {}
for locale_dir, locale_string in get_locale_strings().items():
locale_dict_standard = {}
locale_dict_accounting = {}
raw_locale_data = get_raw_locale_data()[locale_dir]
language, region = locale_string.split("_")
locale_dict_standard["local_currency_code"] = get_local_currency_tags()[region]
locale_dict_accounting["local_currency_code"] = get_local_currency_tags()[
region
]
locale_dict_accounting["currency_symbols"] = raw_locale_data["currency_symbols"]
locale_dict_standard["currency_symbols"] = raw_locale_data["currency_symbols"]
locale_dict_accounting["decimal_separator"] = raw_locale_data["format_symbols"][
"decimal"
]
locale_dict_standard["decimal_separator"] = raw_locale_data["format_symbols"][
"decimal"
]
locale_dict_accounting["grouping_separator"] = raw_locale_data[
"format_symbols"
]["group"]
locale_dict_standard["grouping_separator"] = raw_locale_data["format_symbols"][
"group"
]
locale_dict_accounting["positive_sign"] = raw_locale_data["format_symbols"][
"plusSign"
]
locale_dict_standard["positive_sign"] = raw_locale_data["format_symbols"][
"plusSign"
]
locale_dict_accounting["negative_sign"] = raw_locale_data["format_symbols"][
"minusSign"
]
locale_dict_standard["negative_sign"] = raw_locale_data["format_symbols"][
"minusSign"
]
parsed_pattern_data_accounting = parse_formatting_pattern(
raw_locale_data["patterns"]["accounting"]
)
parsed_pattern_data_standard = parse_formatting_pattern(
raw_locale_data["patterns"]["standard"]
)
locale_dict_accounting.update(parsed_pattern_data_accounting)
locale_dict_standard.update(parsed_pattern_data_standard)
accounting_data[locale_string] = locale_dict_accounting
standard_data[locale_string] = locale_dict_standard
_parsed_locale_data = {
"accounting": sort_formatting_dict(accounting_data),
"standard": sort_formatting_dict(standard_data),
}
return _parsed_locale_data
with open("src/linearmoney/locales.json", "w") as json_file:
json.dump(parse_locale_data(), json_file)
with open("src/linearmoney/currencies.json", "w") as json_file:
json.dump(parse_currency_data(), json_file)
with open("src/linearmoney/supported_iso_codes.json", "w") as json_file:
json.dump(sorted(get_supported_currency_tags()), json_file)
with open("cldr-json/cldr-json/cldr-core/package.json", "r") as file:
data = json.load(file)
CLDR_VERSION = data["version"]
with open("src/linearmoney/cldr_version.json", "w") as json_file:
json.dump(CLDR_VERSION, json_file)
print("successfully processed cldr data")