pocketpy/python/builtins.py
blueloveTH 644b0766b8 ...
2023-05-21 18:58:33 +08:00

165 lines
3.6 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 round(x, ndigits=0):
assert ndigits >= 0
if ndigits == 0:
return int(x + 0.5) if x >= 0 else int(x - 0.5)
if x >= 0:
return int(x * 10**ndigits + 0.5) / 10**ndigits
else:
return int(x * 10**ndigits - 0.5) / 10**ndigits
def abs(x):
return -x if x < 0 else x
def max(a, b):
return a if a > b else b
def min(a, b):
return a if a < b else b
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 += 1
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):
for i in range(min(len(a), len(b))):
yield (a[i], b[i])
def reversed(iterable):
a = list(iterable)
a.reverse()
return a
def sorted(iterable, reverse=False):
a = list(iterable)
a.sort(reverse=reverse)
return a
##### str #####
def str@split(self, sep):
if sep == "":
return list(self)
res = []
i = 0
while i < len(self):
if self[i:i+len(sep)] == sep:
res.append(self[:i])
self = self[i+len(sep):]
i = 0
else:
i += 1
res.append(self)
return res
def str@format(self, *args):
if '{}' in self:
for i in range(len(args)):
self = self.replace('{}', str(args[i]), 1)
else:
for i in range(len(args)):
self = self.replace('{'+str(i)+'}', str(args[i]))
return self
def str@strip(self, chars=None):
chars = chars or ' \t\n\r'
i = 0
while i < len(self) and self[i] in chars:
i += 1
j = len(self) - 1
while j >= 0 and self[j] in chars:
j -= 1
return self[i:j+1]
##### list #####
list.__repr__ = lambda self: '[' + ', '.join([repr(i) for i in self]) + ']'
tuple.__repr__ = lambda self: '(' + ', '.join([repr(i) for i in self]) + ')'
list.__json__ = lambda self: '[' + ', '.join([i.__json__() for i in self]) + ']'
tuple.__json__ = lambda self: '[' + ', '.join([i.__json__() for i in self]) + ']'
def __qsort(a: list, L: int, R: int):
if L >= R: return;
mid = a[(R+L)//2];
i, j = L, R
while i<=j:
while a[i]<mid: i+=1
while a[j]>mid: j-=1
if i<=j:
a[i], a[j] = a[j], a[i]
i+=1
j-=1
__qsort(a, L, j)
__qsort(a, i, R)
def list@sort(self, reverse=False):
__qsort(self, 0, len(self)-1)
if reverse:
self.reverse()
class property:
def __init__(self, fget, fset=None):
self.fget = fget
self.fset = fset
def __get__(self, obj):
return self.fget(obj)
def __set__(self, obj, value):
if self.fset is None:
raise AttributeError("readonly property")
self.fset(obj, value)
class staticmethod:
def __init__(self, f):
self.f = f
def __get__(self, obj):
return self.f
def __call__(self, *args):
return self.f(*args)
def type@__repr__(self):
return "<class '" + self.__name__ + "'>"
def help(obj):
if hasattr(obj, '__func__'):
obj = obj.__func__
if hasattr(obj, '__doc__'):
print(obj.__doc__)
else:
print("No docstring found")