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How to use t_string method in avocado
Best Python code snippet using avocado_python
functions.py
Source:functions.py 
1import inspect2import os3import subprocess4from ft.types import (5 T_STRING,6 T_ARRAY,7 T_BOOL,8 T_PATH,9 T_INT,10 T_VOID,11 TypeConversionError,12 dynamic_cast,13)14from ft.internal import TypedValue, add_dynamic_type15from ft.error import panic16function_list = {}17def register(*names):18 if len(names) == 0 or not isinstance(names[0], str):19 panic("Called @register without arguments")20 def wrap(fn):21 global function_list22 for n in names:23 function_list[n] = fn24 return wrap25def typed(type_in, type_out):26 def wrap(fn):27 def fn_typecheck(*args):28 inp = args[-1]29 if type_in is not None:30 try:31 inp = type_in.create_from(inp)32 except TypeConversionError as e:33 panic(34 "Incompatible input type: expected '{}', got '{}'".format(35 e.type_to, e.type_from36 )37 )38 if len(args) > 1:39 result = fn(*args[0:-1], inp=inp.value)40 else:41 result = fn(inp=inp.value)42 if type_out is None:43 return TypedValue(result, inp.fttype)44 elif type_out == "returned":45 return result46 return TypedValue(result, type_out)47 fn_typecheck.type_in = type_in48 fn_typecheck.type_out = type_out49 fn_typecheck.inner_argspec = inspect.getargspec(fn)50 return fn_typecheck51 return wrap52@register("max")53@typed(T_INT, T_INT)54def max(value, inp):55 v = dynamic_cast(T_INT, value).value56 return inp if inp > v else v57@register("min")58@typed(T_INT, T_INT)59def min(value, inp):60 v = dynamic_cast(T_INT, value).value61 return inp if inp < v else v62@register("strip")63@typed(T_STRING, T_STRING)64def strip(inp):65 return inp.strip()66@register("append")67@typed(T_STRING, T_STRING)68def append(suffix, inp):69 return inp + dynamic_cast(T_STRING, suffix).value70@register("prepend")71@typed(T_STRING, T_STRING)72def prepend(prefix, inp):73 return dynamic_cast(T_STRING, prefix).value + inp74@register("take")75@typed(T_STRING, T_STRING)76def take(count, inp):77 count = dynamic_cast(T_INT, count).value78 return inp[0 : int(count)]79@register("drop")80@typed(T_STRING, T_STRING)81def drop(count, inp):82 count = dynamic_cast(T_INT, count).value83 return inp[int(count) :]84@register("capitalize")85@typed(T_STRING, T_STRING)86def capitalize(inp):87 return inp.capitalize()88@register("to_lower")89@typed(T_STRING, T_STRING)90def to_lower(inp):91 return inp.lower()92@register("to_upper")93@typed(T_STRING, T_STRING)94def to_upper(inp):95 return inp.upper()96@register("substr")97@typed(T_STRING, T_STRING)98def substr(start, end, inp):99 start = dynamic_cast(T_INT, start).value100 end = dynamic_cast(T_INT, end).value101 return inp[start:end]102@register("replace")103@typed(T_STRING, T_STRING)104def replace(old, new, inp):105 old = dynamic_cast(T_STRING, old)106 new = dynamic_cast(T_STRING, new)107 return inp.replace(old.value, new.value)108@register("starts_with", "startswith")109@typed(T_STRING, T_BOOL)110def starts_with(pattern, inp):111 pattern = dynamic_cast(T_STRING, pattern).value112 return inp.startswith(pattern)113@register("ends_with", "endswith")114@typed(T_STRING, T_BOOL)115def ends_with(pattern, inp):116 pattern = dynamic_cast(T_STRING, pattern).value117 return inp.endswith(pattern)118@register("split")119@typed(T_STRING, T_ARRAY)120def split(separator, inp):121 separator = dynamic_cast(T_STRING, separator)122 return map(add_dynamic_type, inp.split(separator.value))123@register("join")124@typed(T_ARRAY, T_STRING)125def join(separator, inp):126 separator = dynamic_cast(T_STRING, separator).value127 vals = map(lambda x: T_STRING.create_from(x).value, inp)128 return separator.join(vals)129@register("index", "at")130@typed(T_ARRAY, T_STRING)131def index(idx, inp):132 idx = dynamic_cast(T_INT, idx).value133 try:134 return T_STRING.create_from(inp[idx]).value135 except IndexError:136 panic("array index out of range")137@register("length", "len")138@typed(T_STRING, T_INT)139def length(inp):140 return len(inp)141@register("basename")142@typed(T_PATH, T_PATH)143def basename(inp):144 return os.path.basename(inp)145@register("abspath")146@typed(T_PATH, T_PATH)147def abspath(inp):148 return os.path.abspath(inp)149@register("filesize")150@typed(T_PATH, T_INT)151def filesize(inp):152 return os.path.getsize(inp)153@register("file_ext")154@typed(T_PATH, T_STRING)155def file_ext(inp):156 return os.path.splitext(inp)[1]157@register("dirname")158@typed(T_PATH, T_PATH)159def dirname(inp):160 return os.path.dirname(inp)161@register("replace_ext")162@typed(T_PATH, T_PATH)163def replace_ext(new_ext, inp):164 new_ext = dynamic_cast(T_STRING, new_ext).value165 (base, ext) = os.path.splitext(inp)166 if ext != "":167 return base + "." + new_ext168 return inp169@register("strip_ext")170@typed(T_PATH, T_STRING)171def strip_ext(inp):172 return os.path.splitext(inp)[0]173@register("has_ext")174@typed(T_PATH, T_BOOL)175def has_ext(ext, inp):176 ext = dynamic_cast(T_STRING, ext).value177 (_, file_ext) = os.path.splitext(inp)178 file_ext = file_ext[1:] # strip leading dot179 return file_ext == ext180@register("split_ext")181@typed(T_PATH, T_ARRAY)182def split_ext(inp):183 parts = os.path.splitext(inp)184 return [TypedValue(parts[0], T_STRING), TypedValue(parts[1][1:], T_STRING)]185@register("id", "identity")186@typed(None, None)187def id(inp):188 return inp189@register("const")190@typed(None, "returned")191def const(value, inp):192 return value193@register("add")194@typed(T_INT, T_INT)195def add(num, inp):196 num = dynamic_cast(T_INT, num).value197 return inp + num198@register("sub")199@typed(T_INT, T_INT)200def sub(num, inp):201 num = dynamic_cast(T_INT, num).value202 return inp - num203@register("pow")204@typed(T_INT, T_INT)205def power(num, inp):206 num = dynamic_cast(T_INT, num).value207 return pow(inp, num)208@register("mul")209@typed(T_INT, T_INT)210def mul(num, inp):211 num = dynamic_cast(T_INT, num).value212 return inp * num213@register("even")214@typed(T_INT, T_BOOL)215def even(inp):216 return inp % 2 == 0217@register("odd")218@typed(T_INT, T_BOOL)219def odd(inp):220 return inp % 2 == 1221@register("duplicate")222@typed(T_STRING, T_ARRAY)223def duplicate(inp):224 return [TypedValue(inp, T_STRING), TypedValue(inp, T_STRING)]225@register("run")226@typed(T_ARRAY, T_VOID)227def run(command, inp):228 command = dynamic_cast(T_STRING, command).value229 args = map(T_STRING.create_from, inp)230 args = list(map(lambda v: v.value, args))231 print("Running '{}' with arguments {}".format(command, args))232 subprocess.call([command] + args)233@register("exists")234@typed(T_PATH, T_BOOL)235def exists(inp):236 return os.path.exists(inp)237@register("is_dir")238@typed(T_PATH, T_BOOL)239def is_dir(inp):240 return os.path.isdir(inp)241@register("is_file")242@typed(T_PATH, T_BOOL)243def is_file(inp):244 return os.path.isfile(inp)245@register("is_link")246@typed(T_PATH, T_BOOL)247def is_link(inp):248 return os.path.islink(inp)249@register("is_executable")250@typed(T_PATH, T_BOOL)251def is_executable(inp):252 return os.path.isfile(inp) and os.access(inp, os.X_OK)253@register("contains")254@typed(T_STRING, T_BOOL)255def contains(substring, inp):256 substring = dynamic_cast(T_STRING, substring).value257 return substring in inp258@register("nonempty", "non_empty")259@typed(None, T_BOOL)260def nonempty(inp):261 if type(inp) == list:262 return bool(inp)263 elif type(inp) == str:264 return inp.strip() != ""265 return True266@register("equal", "equals", "eq")267@typed(None, T_BOOL)268def equal(other, inp):269 return other.value == inp270@register("not_equal", "not_equals", "ne")271@typed(None, T_BOOL)272def not_equals(other, inp):273 return other.value != inp274@register("greater", "greater_than", "gt")275@typed(T_INT, T_BOOL)276def greater_than(i, inp):277 i = dynamic_cast(T_INT, i).value278 return inp > i279@register("greater_equal", "greater_equals", "ge")280@typed(T_INT, T_BOOL)281def greater_equals(i, inp):282 i = dynamic_cast(T_INT, i).value283 return inp >= i284@register("less", "less_than", "lt")285@typed(T_INT, T_BOOL)286def less_than(i, inp):287 i = dynamic_cast(T_INT, i).value288 return inp < i289@register("less_equal", "less_equals", "le")290@typed(T_INT, T_BOOL)291def less_equals(i, inp):292 i = dynamic_cast(T_INT, i).value293 return inp <= i294@register("format")295@typed(None, T_STRING)296def format(format_str, inp):297 try:298 return format_str.value.format(inp)299 except ValueError:300 panic(301 "Incorrect format string '{}' for input '{}'.".format(format_str.value, inp)302 )303@register("reverse")304@typed(None, None)305def reverse(inp):306 # slice arrays and string from start to finish in reversed order307 if type(inp) == str or type(inp) == list:308 return inp[::-1]309 # treat integers as strings310 elif type(inp) == int:311 return str(inp)[::-1]312 # booleans can not be reversed313 elif type(inp) == bool:314 panic("Cannot reverse bool value")315 # we got something unexpected316 else:...
parser.py
Source:parser.py
1import sys2import re3from . import term4from . import utils as u5EXIT_NO_INPUT = 16EXIT_NO_VARS = 27EXIT_NO_SYMB = 38EXIT_PARSE = 49def parse(input):10 variables = get_variables(input)11 symbols = get_symbols(input)12 (t1, t2) = get_terms(input, variables, symbols)13 return (variables, symbols, t1, t2)14def get_variables(input):15 search = re.search(r"variables:(.*?)(?=\n)", input);16 if search:17 return list(map(lambda x : x.strip(), search.group(1).split(',')))18 else:19 u.err("no variables found; please declare them", EXIT_NO_VARS);20def get_symbols(input):21 search = re.search(r"symbols:(.*?)(?=\n)", input);22 if search:23 return list(map(lambda x : x.strip(), search.group(1).split(',')))24 else:25 u.err("no symbols found; please declare them", EXIT_NO_SYMB);26def get_terms(input, vars, symbols):27 search = re.search(r"problem:(.+)=\?(.+)", input, re.DOTALL)28 if search:29 t1 = search.group(1).strip()30 t2 = search.group(2).strip()31 t1 = "".join(t1.split())32 t2 = "".join(t2.split())33 (term1, rest1) = parse_term(t1, vars, symbols)34 if (rest1 != ''):35 parse_err("cannot parse " + t1 + ", stopped here " + rest1)36 (term2, rest2) = parse_term(t2, vars, symbols)37 if (rest2 != ''):38 parse_err("cannot parse " + t2 + ", stopped here " + rest2)39 return(term1, term2)40 return (None, None)41def parse_err(message):42 u.err(message, exit_code = EXIT_PARSE);43def parse_constant_or_var(t_string, vars, symbols):44 if (t_string in vars):45 return term.Term(t_string, [], True)46 elif (t_string in symbols):47 return term.Term(t_string, [])48 else:49 parse_err("expecting constant or variable but found " + t_string)50def find_pos_of_first_delim(t_string):51 separators = [',', '(', ')']52 indices = (list(map(lambda sep : t_string.find(sep), separators)))53 indices.append(len(t_string))54 return min(filter(lambda x : x >= 0, indices))55def parse_term_list(t_string, vars, symbols):56 t_string = t_string.lstrip()57 if (not t_string):58 return ([], '')59 if (t_string[0] == ','):60 t_string = t_string[1:]61 if (t_string[0] == ')'):62 return ([], t_string[1:])63 (trm, rest) = parse_term(t_string, vars, symbols)64 (subterms, rem) = parse_term_list(rest, vars, symbols)65 return ([trm] + subterms, rem)66def parse_term(t_string, vars, symbols):67 if (not t_string):68 parse_err("expected term but found empty string")69 first = find_pos_of_first_delim(t_string)70 tag = t_string[:first].strip()71 rest = t_string[first:].strip()72 if (not tag):73 parse_err("expected term but found " + t_string)74 if (not rest):75 return (parse_constant_or_var(tag, vars, symbols), '')76 if (rest[0] == '('):77 (subterms, rem) = parse_term_list(rest[1:], vars, symbols)78 if (tag in symbols):79 return (term.Term(tag, subterms), rem)80 else:81 parse_err("bad symbol " + tag + ", expecting one of " + str(symbols))82 elif (rest[0] == ','):83 return (parse_constant_or_var(tag, vars, symbols), rest[1:])84 elif (rest[0] == ')'):85 return (parse_constant_or_var(tag, vars, symbols), rest)86 else:...
B_Many_110.py
Source:B_Many_110.py
1N_length = int(input())2T_string = input()3if len(T_string) == 1:4 if T_string == '1':5 print(2 * 10**10)6 else:7 print(10**10)8elif len(T_string) == 2:9 if T_string == '11':10 print(10**10)11 elif T_string == '10':12 print(10**10)13 elif T_string == '01':14 print(10**10 - 1)15 else:16 print(0)17elif len(T_string) == 3:18 if T_string == '110':19 print(10**10)20 elif T_string == '101':21 print(10**10 - 1)22 elif T_string == '011':23 print(10**10 - 1)24 else:25 print(0)26else:27 flag_zero = False28 for i in range(0, N_length - 2):29 sample = T_string[i: i + 3]30 if sample != '110' and sample != '101' and sample != '011':31 flag_zero = True32 break33 if flag_zero:34 print(0)35 else:36 zero_counter = T_string.count('0')37 if T_string[0:2] == '01' and T_string[-1] == '0':38 print(10**10 - zero_counter + 1)39 elif T_string[0:2] == '11' and T_string[-1] == '0':40 print(10**10 - zero_counter + 1)41 else:...
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