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mtgencode/lib/utils.py

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import re
# Utilities for handling unicode, unary numbers, mana costs, and special symbols.
# For convenience we redefine everything from config so that it can all be accessed
# from the utils module.
import config
# special chunk of text that Magic Set Editor 2 requires at the start of all set files.
mse_prepend = 'mse version: 0.3.8\ngame: magic\nstylesheet: m15\nset info:\n\tsymbol:\nstyling:\n\tmagic-m15:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay:\n\tmagic-m15-clear:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n\tmagic-m15-extra-improved:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\tpt box symbols: magic-pt-symbols-extra.mse-symbol-font\n\t\toverlay: \n\tmagic-m15-planeswalker:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n\tmagic-m15-planeswalker-promo-black:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n\tmagic-m15-promo-dka:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n\tmagic-m15-token-clear:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n\tmagic-new-planeswalker:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n\tmagic-new-planeswalker-4abil:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n\tmagic-new-planeswalker-clear:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n\tmagic-new-planeswalker-promo-black:\n\t\ttext box mana symbols: magic-mana-small.mse-symbol-font\n\t\toverlay: \n'
# special chunk of text to start an HTML document.
import html_extra_data
segment_ids = html_extra_data.id_lables
html_prepend = html_extra_data.html_prepend
html_append = "\n</body>\n</html>"
# encoding formats we know about
formats = [
'std',
'named',
'noname',
'rfields',
'old',
'norarity',
'vec',
'custom',
]
# separators
cardsep = config.cardsep
fieldsep = config.fieldsep
bsidesep = config.bsidesep
newline = config.newline
# special indicators
dash_marker = config.dash_marker
bullet_marker = config.bullet_marker
this_marker = config.this_marker
counter_marker = config.counter_marker
reserved_marker = config.reserved_marker
reserved_mana_marker = config.reserved_mana_marker
choice_open_delimiter = config.choice_open_delimiter
choice_close_delimiter = config.choice_close_delimiter
x_marker = config.x_marker
tap_marker = config.tap_marker
untap_marker = config.untap_marker
rarity_common_marker = config.rarity_common_marker
rarity_uncommon_marker = config.rarity_uncommon_marker
rarity_rare_marker = config.rarity_rare_marker
rarity_mythic_marker = config.rarity_mythic_marker
rarity_special_marker = config.rarity_special_marker
rarity_basic_land_marker = config.rarity_basic_land_marker
json_rarity_map = {
'Common' : rarity_common_marker,
'Uncommon' : rarity_uncommon_marker,
'Rare' : rarity_rare_marker,
'Mythic Rare' : rarity_mythic_marker,
'Special' : rarity_special_marker,
'Basic Land' : rarity_basic_land_marker,
}
json_rarity_unmap = {json_rarity_map[k] : k for k in json_rarity_map}
# unambiguous synonyms
counter_rename = config.counter_rename
# field labels
field_label_name = config.field_label_name
field_label_rarity = config.field_label_rarity
field_label_cost = config.field_label_cost
field_label_supertypes = config.field_label_supertypes
field_label_types = config.field_label_types
field_label_subtypes = config.field_label_subtypes
field_label_loyalty = config.field_label_loyalty
field_label_pt = config.field_label_pt
field_label_text = config.field_label_text
# additional fields we add to the json cards
json_field_bside = config.json_field_bside
json_field_set_name = config.json_field_set_name
json_field_info_code = config.json_field_info_code
# unicode / ascii conversion
unicode_trans = {
'\u2014': dash_marker, # unicode long dash
'\u2022': bullet_marker, # unicode bullet
'\u2019': '"', # single quote
'\u2018': '"', # single quote
'\u2212': '-', # minus sign
'\xe6': 'ae', # ae symbol
'\xfb': 'u', # u with caret
'\xfa': 'u', # u with accent
'\xe9': 'e', # e with accent
'\xe1': 'a', # a with accent
'\xe0': 'a', # a with accent going the other way
'\xe2': 'a', # a with caret
'\xf6': 'o', # o with umlaut
'\xed': 'i', # i with accent
}
# this one is one-way only
def to_ascii(s):
for uchar in unicode_trans:
s = s.replace(uchar, unicode_trans[uchar])
return s
# unary numbers
unary_marker = config.unary_marker
unary_counter = config.unary_counter
unary_max = config.unary_max
unary_exceptions = config.unary_exceptions
def to_unary(s, warn = False):
numbers = re.findall(r'[0123456789]+', s)
# replace largest first to avoid accidentally replacing shared substrings
for n in sorted(numbers, key=int, reverse=True):
i = int(n)
if i in unary_exceptions:
s = s.replace(n, unary_exceptions[i])
elif i > unary_max:
i = unary_max
if warn:
print(s)
s = s.replace(n, unary_marker + unary_counter * i)
else:
s = s.replace(n, unary_marker + unary_counter * i)
return s
def from_unary(s):
numbers = re.findall(re.escape(unary_marker + unary_counter) + '*', s)
# again, largest first so we don't replace substrings and break everything
for n in sorted(numbers, key=len, reverse=True):
i = (len(n) - len(unary_marker)) / len(unary_counter)
s = s.replace(n, str(i))
return s
# mana syntax
mana_open_delimiter = '{'
mana_close_delimiter = '}'
mana_json_open_delimiter = mana_open_delimiter
mana_json_close_delimiter = mana_close_delimiter
mana_json_hybrid_delimiter = '/'
mana_forum_open_delimiter = '[mana]'
mana_forum_close_delimiter = '[/mana]'
mana_html_open_delimiter = "<img class='mana-"
mana_html_close_delimiter = "'>"
mana_html_hybrid_delimiter = '-'
mana_unary_marker = '' # if the same as unary_marker, from_unary WILL replace numbers in mana costs
mana_unary_counter = unary_counter
# The decoding from mtgjson format is dependent on the specific structure of
# these internally used mana symbol strings, so if you want to change them you'll
# also have to change the json decoding functions.
# standard mana symbol set
mana_W = 'W' # single color
mana_U = 'U'
mana_B = 'B'
mana_R = 'R'
mana_G = 'G'
mana_P = 'P' # colorless phyrexian
mana_S = 'S' # snow
mana_X = 'X' # colorless X
mana_C = 'C' # colorless only 'eldrazi'
mana_WP = 'WP' # single color phyrexian
mana_UP = 'UP'
mana_BP = 'BP'
mana_RP = 'RP'
mana_GP = 'GP'
mana_2W = '2W' # single color hybrid
mana_2U = '2U'
mana_2B = '2B'
mana_2R = '2R'
mana_2G = '2G'
mana_WU = 'WU' # dual color hybrid
mana_WB = 'WB'
mana_RW = 'RW'
mana_GW = 'GW'
mana_UB = 'UB'
mana_UR = 'UR'
mana_GU = 'GU'
mana_BR = 'BR'
mana_BG = 'BG'
mana_RG = 'RG'
# alternative order symbols
mana_WP_alt = 'PW' # single color phyrexian
mana_UP_alt = 'PU'
mana_BP_alt = 'PB'
mana_RP_alt = 'PR'
mana_GP_alt = 'PG'
mana_2W_alt = 'W2' # single color hybrid
mana_2U_alt = 'U2'
mana_2B_alt = 'B2'
mana_2R_alt = 'R2'
mana_2G_alt = 'G2'
mana_WU_alt = 'UW' # dual color hybrid
mana_WB_alt = 'BW'
mana_RW_alt = 'WR'
mana_GW_alt = 'WG'
mana_UB_alt = 'BU'
mana_UR_alt = 'RU'
mana_GU_alt = 'UG'
mana_BR_alt = 'RB'
mana_BG_alt = 'GB'
mana_RG_alt = 'GR'
# special
mana_2 = '2' # use with 'in' to identify single color hybrid
# master symbol lists
mana_syms = [
mana_W,
mana_U,
mana_B,
mana_R,
mana_G,
mana_P,
mana_S,
mana_X,
mana_C,
mana_WP,
mana_UP,
mana_BP,
mana_RP,
mana_GP,
mana_2W,
mana_2U,
mana_2B,
mana_2R,
mana_2G,
mana_WU,
mana_WB,
mana_RW,
mana_GW,
mana_UB,
mana_UR,
mana_GU,
mana_BR,
mana_BG,
mana_RG,
]
mana_symalt = [
mana_WP_alt,
mana_UP_alt,
mana_BP_alt,
mana_RP_alt,
mana_GP_alt,
mana_2W_alt,
mana_2U_alt,
mana_2B_alt,
mana_2R_alt,
mana_2G_alt,
mana_WU_alt,
mana_WB_alt,
mana_RW_alt,
mana_GW_alt,
mana_UB_alt,
mana_UR_alt,
mana_GU_alt,
mana_BR_alt,
mana_BG_alt,
mana_RG_alt,
]
mana_symall = mana_syms + mana_symalt
# alt symbol conversion
def mana_alt(sym):
if not sym in mana_symall:
raise ValueError('invalid mana symbol for mana_alt(): ' + repr(sym))
if len(sym) < 2:
return sym
else:
return sym[::-1]
# produce intended neural net output format
def mana_sym_to_encoding(sym):
if not sym in mana_symall:
raise ValueError('invalid mana symbol for mana_sym_to_encoding(): ' + repr(sym))
if len(sym) < 2:
return sym * 2
else:
return sym
# produce json formatting used in mtgjson
def mana_sym_to_json(sym):
if not sym in mana_symall:
raise ValueError('invalid mana symbol for mana_sym_to_json(): ' + repr(sym))
if len(sym) < 2:
return mana_json_open_delimiter + sym + mana_json_close_delimiter
else:
return (mana_json_open_delimiter + sym[0] + mana_json_hybrid_delimiter
+ sym[1] + mana_json_close_delimiter)
# produce pretty formatting that renders on mtgsalvation forum
# converts individual symbols; surrounding [mana][/mana] tags are added elsewhere
def mana_sym_to_forum(sym):
if not sym in mana_symall:
raise ValueError('invalid mana symbol for mana_sym_to_forum(): ' + repr(sym))
if sym in mana_symalt:
sym = mana_alt(sym)
if len(sym) < 2:
return sym
else:
return mana_json_open_delimiter + sym + mana_json_close_delimiter
# forward symbol tables for encoding
mana_syms_encode = {sym : mana_sym_to_encoding(sym) for sym in mana_syms}
mana_symalt_encode = {sym : mana_sym_to_encoding(sym) for sym in mana_symalt}
mana_symall_encode = {sym : mana_sym_to_encoding(sym) for sym in mana_symall}
mana_syms_jencode = {sym : mana_sym_to_json(sym) for sym in mana_syms}
mana_symalt_jencode = {sym : mana_sym_to_json(sym) for sym in mana_symalt}
mana_symall_jencode = {sym : mana_sym_to_json(sym) for sym in mana_symall}
# reverse symbol tables for decoding
mana_syms_decode = {mana_sym_to_encoding(sym) : sym for sym in mana_syms}
mana_symalt_decode = {mana_sym_to_encoding(sym) : sym for sym in mana_symalt}
mana_symall_decode = {mana_sym_to_encoding(sym) : sym for sym in mana_symall}
mana_syms_jdecode = {mana_sym_to_json(sym) : sym for sym in mana_syms}
mana_symalt_jdecode = {mana_sym_to_json(sym) : sym for sym in mana_symalt}
mana_symall_jdecode = {mana_sym_to_json(sym) : sym for sym in mana_symall}
# going straight from json to encoding and vice versa
def mana_encode_direct(jsym):
if not jsym in mana_symall_jdecode:
raise ValueError('json string not found in decode table for mana_encode_direct(): '
+ repr(jsym))
else:
return mana_symall_encode[mana_symall_jdecode[jsym]]
def mana_decode_direct(sym):
if not sym in mana_symall_decode:
raise ValueError('mana symbol not found in decode table for mana_decode_direct(): '
+ repr(sym))
else:
return mana_symall_jencode[mana_symall_decode[sym]]
# hacked in support for mtgsalvation forum
def mana_decode_direct_forum(sym):
if not sym in mana_symall_decode:
raise ValueError('mana symbol not found in decode table for mana_decode_direct_forum(): '
+ repr(sym))
else:
return mana_sym_to_forum(mana_symall_decode[sym])
# processing entire strings
def unique_string(s):
return ''.join(set(s))
mana_charset_special = mana_unary_marker + mana_unary_counter
mana_charset_strict = unique_string(''.join(mana_symall) + mana_charset_special)
mana_charset = unique_string(mana_charset_strict + mana_charset_strict.lower())
mana_regex_strict = (re.escape(mana_open_delimiter) + '['
+ re.escape(mana_charset_strict)
+ ']*' + re.escape(mana_close_delimiter))
mana_regex = (re.escape(mana_open_delimiter) + '['
+ re.escape(mana_charset)
+ ']*' + re.escape(mana_close_delimiter))
# as a special case, we let unary or decimal numbers exist in json mana strings
mana_json_charset_special = ('0123456789' + unary_marker + unary_counter)
mana_json_charset_strict = unique_string(''.join(mana_symall_jdecode) + mana_json_charset_special)
mana_json_charset = unique_string(mana_json_charset_strict + mana_json_charset_strict.lower())
# note that json mana strings can't be empty between the delimiters
mana_json_regex_strict = (re.escape(mana_json_open_delimiter) + '['
+ re.escape(mana_json_charset_strict)
+ ']+' + re.escape(mana_json_close_delimiter))
mana_json_regex = (re.escape(mana_json_open_delimiter) + '['
+ re.escape(mana_json_charset)
+ ']+' + re.escape(mana_json_close_delimiter))
number_decimal_regex = r'[0123456789]+'
number_unary_regex = re.escape(unary_marker) + re.escape(unary_counter) + '*'
mana_decimal_regex = (re.escape(mana_json_open_delimiter) + number_decimal_regex
+ re.escape(mana_json_close_delimiter))
mana_unary_regex = (re.escape(mana_json_open_delimiter) + number_unary_regex
+ re.escape(mana_json_close_delimiter))
# convert a json mana string to the proper encoding
def mana_translate(jmanastr):
manastr = jmanastr
for n in sorted(re.findall(mana_unary_regex, manastr),
key=len, reverse=True):
ns = re.findall(number_unary_regex, n)
i = (len(ns[0]) - len(unary_marker)) // len(unary_counter)
manastr = manastr.replace(
n, mana_unary_marker + mana_unary_counter * i)
for n in sorted(re.findall(mana_decimal_regex, manastr),
key=len, reverse=True):
ns = re.findall(number_decimal_regex, n)
i = int(ns[0])
manastr = manastr.replace(
n, mana_unary_marker + mana_unary_counter * i)
for jsym in sorted(mana_symall_jdecode, key=len, reverse=True):
if jsym in manastr:
manastr = manastr.replace(jsym, mana_encode_direct(jsym))
return mana_open_delimiter + manastr + mana_close_delimiter
# convert an encoded mana string back to json
mana_symlen_min = min([len(sym) for sym in mana_symall_decode])
mana_symlen_max = max([len(sym) for sym in mana_symall_decode])
def mana_untranslate(manastr, for_forum = False, for_html = False):
inner = manastr[1:-1]
jmanastr = ''
colorless_total = 0
idx = 0
while idx < len(inner):
# taking this branch is an infinite loop if unary_marker is empty
if len(mana_unary_marker) > 0 and inner[idx:idx+len(mana_unary_marker)] == mana_unary_marker:
idx += len(mana_unary_marker)
elif inner[idx:idx+len(mana_unary_counter)] == mana_unary_counter:
idx += len(mana_unary_counter)
colorless_total += 1
else:
old_idx = idx
for symlen in range(mana_symlen_min, mana_symlen_max + 1):
sym = inner[idx:idx+symlen]
if sym in mana_symall_decode:
idx += symlen
if for_html:
jmanastr = jmanastr + mana_decode_direct(sym)
jmanastr = jmanastr.replace(mana_open_delimiter, mana_html_open_delimiter)
jmanastr = jmanastr.replace(mana_close_delimiter, mana_html_close_delimiter)
jmanastr = jmanastr.replace(mana_open_delimiter, mana_html_open_delimiter)
jmanastr = jmanastr.replace(mana_json_hybrid_delimiter, mana_html_hybrid_delimiter)
elif for_forum:
jmanastr = jmanastr + mana_decode_direct_forum(sym)
else:
jmanastr = jmanastr + mana_decode_direct(sym)
break
# otherwise we'll go into an infinite loop if we see a symbol we don't know
if idx == old_idx:
idx += 1
if for_html:
if jmanastr == '':
return mana_html_open_delimiter + str(colorless_total) + mana_html_close_delimiter
else:
return (('' if colorless_total == 0
else mana_html_open_delimiter + str(colorless_total) + mana_html_close_delimiter)
+ jmanastr)
elif for_forum:
if jmanastr == '':
return mana_forum_open_delimiter + str(colorless_total) + mana_forum_close_delimiter
else:
return (mana_forum_open_delimiter + ('' if colorless_total == 0
else str(colorless_total))
+ jmanastr + mana_forum_close_delimiter)
else:
if jmanastr == '':
return mana_json_open_delimiter + str(colorless_total) + mana_json_close_delimiter
else:
return (('' if colorless_total == 0 else
mana_json_open_delimiter + str(colorless_total) + mana_json_close_delimiter)
+ jmanastr)
# finally, replacing all instances in a string
# notice the calls to .upper(), this way we recognize lowercase symbols as well just in case
def to_mana(s):
jmanastrs = re.findall(mana_json_regex, s)
for jmanastr in sorted(jmanastrs, key=len, reverse=True):
s = s.replace(jmanastr, mana_translate(jmanastr.upper()))
return s
def from_mana(s, for_forum=False):
manastrs = re.findall(mana_regex, s)
for manastr in sorted(manastrs, key=len, reverse=True):
s = s.replace(manastr, mana_untranslate(manastr.upper(), for_forum = for_forum))
return s
# Translation could also be accomplished using the datamine.Manacost object's
# display methods, but these direct string transformations are retained for
# quick scripting and convenience (and used under the hood by that class to
# do its formatting).
# more convenience features for formatting tap / untap symbols
json_symbol_tap = tap_marker
json_symbol_untap = untap_marker
json_symbol_trans = {
mana_json_open_delimiter + json_symbol_tap + mana_json_close_delimiter : tap_marker,
mana_json_open_delimiter + json_symbol_tap.lower() + mana_json_close_delimiter : tap_marker,
mana_json_open_delimiter + json_symbol_untap + mana_json_close_delimiter : untap_marker,
mana_json_open_delimiter + json_symbol_untap.lower() + mana_json_close_delimiter : untap_marker,
}
symbol_trans = {
tap_marker : mana_json_open_delimiter + json_symbol_tap + mana_json_close_delimiter,
untap_marker : mana_json_open_delimiter + json_symbol_untap + mana_json_close_delimiter,
}
symbol_forum_trans = {
tap_marker : mana_forum_open_delimiter + json_symbol_tap + mana_forum_close_delimiter,
untap_marker : mana_forum_open_delimiter + json_symbol_untap + mana_forum_close_delimiter,
}
symbol_html_trans = {
tap_marker : mana_html_open_delimiter + json_symbol_tap + mana_html_close_delimiter,
untap_marker : mana_html_open_delimiter + json_symbol_untap + mana_html_close_delimiter,
}
json_symbol_regex = (re.escape(mana_json_open_delimiter) + '['
+ json_symbol_tap + json_symbol_tap.lower()
+ json_symbol_untap + json_symbol_untap.lower()
+ ']' + re.escape(mana_json_close_delimiter))
symbol_regex = '[' + tap_marker + untap_marker + ']'
def to_symbols(s):
jsymstrs = re.findall(json_symbol_regex, s)
for jsymstr in sorted(jsymstrs, key=len, reverse=True):
s = s.replace(jsymstr, json_symbol_trans[jsymstr])
return s
def from_symbols(s, for_forum=False, for_html=False):
symstrs = re.findall(symbol_regex, s)
#for symstr in sorted(symstrs, key=len, reverse = True):
# We have to do the right thing here, because the thing we replace exists in the thing
# we replace it with...
for symstr in set(symstrs):
if for_html:
s = s.replace(symstr, symbol_html_trans[symstr])
elif for_forum:
s = s.replace(symstr, symbol_forum_trans[symstr])
else:
s = s.replace(symstr, symbol_trans[symstr])
return s
unletters_regex = r"[^abcdefghijklmnopqrstuvwxyz']"
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