pocketpy/python/builtins.py

325 lines
7.8 KiB
Python

import sys as _sys
def print(*args, sep=' ', end='\n'):
s = sep.join([str(i) for i in args])
_sys.stdout.write(s + end)
def max(*args, key=None):
if key is None:
key = lambda x: x
if len(args) == 0:
raise TypeError('max expected 1 arguments, got 0')
if len(args) == 1:
args = args[0]
args = iter(args)
res = next(args)
if res is StopIteration:
raise ValueError('max() arg is an empty sequence')
while True:
i = next(args)
if i is StopIteration:
break
if key(i) > key(res):
res = i
return res
def min(*args, key=None):
if key is None:
key = lambda x: x
if len(args) == 0:
raise TypeError('min expected 1 arguments, got 0')
if len(args) == 1:
args = args[0]
args = iter(args)
res = next(args)
if res is StopIteration:
raise ValueError('min() arg is an empty sequence')
while True:
i = next(args)
if i is StopIteration:
break
if key(i) < key(res):
res = i
return res
def all(iterable):
for i in iterable:
if not i:
return False
return True
def any(iterable):
for i in iterable:
if i:
return True
return False
def enumerate(iterable, start=0):
n = start
for elem in iterable:
yield n, elem
++n
def sum(iterable):
res = 0
for i in iterable:
res += i
return res
def map(f, iterable):
for i in iterable:
yield f(i)
def filter(f, iterable):
for i in iterable:
if f(i):
yield i
def zip(a, b):
a = iter(a)
b = iter(b)
while True:
ai = next(a)
bi = next(b)
if ai is StopIteration or bi is StopIteration:
break
yield ai, bi
def reversed(iterable):
a = list(iterable)
a.reverse()
return a
def sorted(iterable, reverse=False, key=None):
a = list(iterable)
a.sort(reverse=reverse, key=key)
return a
##### str #####
def tokenize(s:str) -> list:
tokens = []
L, R = 0,0
mode = None
curPos = 0
lookingForKword = False
while(R<len(s) and not lookingForKword):
curChar = s[R]
nextChar = s[R+1] if R+1<len(s) else ''
# Escaping case
if (curChar == '{' and nextChar == '{') or (curChar == '}' and nextChar == '}'):
tokens.append(curChar)
L = R+2
R = R+2
continue
# Regular command line arg case
if curChar == '{' and nextChar == '}':
if mode is not None and mode != 'auto':
raise ValueError("Cannot switch from manual field numbering to automatic field specification")
mode = 'auto'
# best case {}, just for normal args
if(L<R):
tokens.append(s[L:R])
tokens.append("{"+str(curPos)+"}")
curPos+=1
L = R+2
R = R+2
continue
# Kwarg case
elif (curChar == '{'):
if mode is not None and mode != 'manual':
raise ValueError("Cannot switch from automatic field specification to manual field numbering")
mode = 'manual'
if(L<R):
tokens.append(s[L:R])
lookingForKword = True
kwL = R+1
kwR = R+1
while(kwR<len(s) and s[kwR]!='}'):
kwR += 1
tokens.append(s[R:kwR+1])
if kwR<len(s) and s[kwR] == '}':
lookingForKword = False
L = kwR+1
R = kwR+1
continue
R = R+1
if lookingForKword:
raise ValueError("Expected '}' before end of string")
if(not lookingForKword and L<R):
tokens.append(s[L:R])
# print("Looking for kword: ", lookingForKword)
return tokens
def __f(self:str, *args, **kwargs) -> str:
tokens = tokenize(self)
argMap = {}
for i, a in enumerate(args):
argMap[str(i)] = a
final_tokens = []
for t in tokens:
if t[0] == '{' and t[-1] == '}':
key = t[1:-1]
argMapVal = argMap.get(key, None)
kwargsVal = kwargs.get(key, None)
if argMapVal is None and kwargsVal is None:
raise ValueError("No arg found for token: "+t)
elif argMapVal is not None:
final_tokens.append(str(argMapVal))
else:
final_tokens.append(str(kwargsVal))
else:
final_tokens.append(t)
return ''.join(final_tokens)
# if '{}' in self:
# for i in range(len(args)):
# self = self.replace('{}', str(args[i]), 1)
# else:
# # Positional arguments will be followed by keyword arguments
# # 1. Replace the positional arguments
# for i,a in enumerate(args):
# self = self.replace('{'+str(i)+'}', str(a))
# # 2. Replace the keyword arguments
# for k,v in kwargs.items():
# self = self.replace('{'+k+'}', str(v))
# return self
str.format = __f
def __f(self, chars=None):
chars = chars or ' \t\n\r'
i = 0
while i < len(self) and self[i] in chars:
++i
return self[i:]
str.lstrip = __f
def __f(self, chars=None):
chars = chars or ' \t\n\r'
j = len(self) - 1
while j >= 0 and self[j] in chars:
--j
return self[:j+1]
str.rstrip = __f
def __f(self, chars=None):
chars = chars or ' \t\n\r'
i = 0
while i < len(self) and self[i] in chars:
++i
j = len(self) - 1
while j >= 0 and self[j] in chars:
--j
return self[i:j+1]
str.strip = __f
def __f(self, width: int):
delta = width - len(self)
if delta <= 0:
return self
return '0' * delta + self
str.zfill = __f
def __f(self, width: int, fillchar=' '):
delta = width - len(self)
if delta <= 0:
return self
assert len(fillchar) == 1
return fillchar * delta + self
str.rjust = __f
def __f(self, width: int, fillchar=' '):
delta = width - len(self)
if delta <= 0:
return self
assert len(fillchar) == 1
return self + fillchar * delta
str.ljust = __f
##### list #####
def __qsort(a: list, L: int, R: int, key):
if L >= R: return;
mid = a[(R+L)//2];
mid = key(mid)
i, j = L, R
while i<=j:
while key(a[i])<mid: ++i;
while key(a[j])>mid: --j;
if i<=j:
a[i], a[j] = a[j], a[i]
++i; --j;
__qsort(a, L, j, key)
__qsort(a, i, R, key)
def __f(self, reverse=False, key=None):
if key is None:
key = lambda x:x
__qsort(self, 0, len(self)-1, key)
if reverse:
self.reverse()
list.sort = __f
def __f(self, other):
for i, j in zip(self, other):
if i != j:
return i < j
return len(self) < len(other)
tuple.__lt__ = __f
list.__lt__ = __f
def __f(self, other):
for i, j in zip(self, other):
if i != j:
return i > j
return len(self) > len(other)
tuple.__gt__ = __f
list.__gt__ = __f
def __f(self, other):
for i, j in zip(self, other):
if i != j:
return i <= j
return len(self) <= len(other)
tuple.__le__ = __f
list.__le__ = __f
def __f(self, other):
for i, j in zip(self, other):
if i != j:
return i >= j
return len(self) >= len(other)
tuple.__ge__ = __f
list.__ge__ = __f
type.__repr__ = lambda self: "<class '" + self.__name__ + "'>"
type.__getitem__ = lambda self, *args: self # for generics
def help(obj):
if hasattr(obj, '__func__'):
obj = obj.__func__
print(obj.__signature__)
print(obj.__doc__)
del __f
class Exception: pass
from _long import long