def run_tests():
# type: () -> None
log("escaped: %s", escape('<html>', True))
# TODO: Fix double escaping here
s = 'xo--xo'
log("%s\n", s.replace('xo', 'OX'))
def IntDemo():
# type: () -> None
intlist = [] # type: List[int]
# NOTE: this annotation is required, or MyPy has a partial type.
# I thoguht it would be able to infer it from expressions below.
intlist.append(1)
intlist.append(2)
intlist.append(3)
log("len(intlist) = %d", len(intlist))
for i in intlist:
log("i = %d", i)
strlist = [] # type: List[str]
strlist.append('a')
strlist.append('b')
log("len(strlist) = %d", len(strlist))
for s in strlist:
log("s = %s", s)
#strlist.pop()
#strlist.pop()
x = strlist.pop()
log("len(strlist) = %d", len(strlist))
def run_tests():
# type: () -> None
x = 33
# NOTE: This is very slow and should be separated
result = fib_recursive(x)
log('fib_recursive(%d) = %d', x, result)
def run_tests():
# type: () -> None
print('foo' + 'bar')
print('foo' * 3)
obj = Foo()
print('foo' + obj.s)
s = 'mystr'
print('[%s]' % s)
s = 'mystr'
print('[%s, %s]' % (s, 'abc'))
print('%s: 5%%-100%%' % 'abc')
print('<a href="foo.html">%s</a>' % 'anchor')
log("foo? %d", 'foo' in s)
log("str? %d", 'str' in s)
print("'single'")
print('"double"')
# test escape codes
print("a\tb\nc\td\n")
x = 'x'
print("%s\tb\n%s\td\n" % (x, x))
def TupleDemo():
# type: () -> None
t2 = (3, 'hello') # type: Tuple[int, str]
# Destructuring
myint, mystr = t2
log('myint = %d', myint)
log('mystr = %s', mystr)
# Does this ever happen? Or do we always use destructring?
#log('t2[0] = %d', t2[0])
#log('t2[1] = %s', t2[1])
x = 3
if x in (3, 4, 5):
print('yes')
else:
print('no')
p = Point(3, 4)
if p.x in (3, 4, 5):
print('yes')
else:
print('no')
s = 'foo'
if s in ('foo', 'bar'):
print('yes')
else:
print('no')
def run_benchmarks():
# type: () -> None
# For testing shared_ptr optimization
s = 'foo'
for i in xrange(100000):
s = strfunc(s)
log("len = %d", len(s))
def run_tests():
# type: () -> None
ListDemo()
log('')
TupleDemo()
log('')
DictDemo()
def TupleDemo():
# type: () -> None
t2 = (3, 'hello') # type: Tuple[int, str]
# Destructuring
myint, mystr = t2
log('myint = %d', myint)
log('mystr = %s', mystr)
def run_benchmarks():
# type: () -> None
i = 0
n = 2000000
result = 0
while i < n:
result += module1.fortytwo()
i = i + 1
log('result = %d', result)
def run_benchmarks():
# type: () -> None
d = DirStack()
for i in xrange(1000000):
try:
with ctx_DirStack(d, 'foo') as _:
if i % 10000 == 0:
raise MyError()
except MyError:
log('exception')
def run_tests():
# type: () -> None
log("result: %s", BackslashEscape('echo *.[ch] *.?', GLOB_META_CHARS))
# 200K iterations takes ~433 ms in Python, and ~311 ms in C with -O2 (~600 ms
# with -O0) The algorithm is very inefficient. There are many tiny objects
# being allocated.
TestNotIn()
def run_benchmarks():
# type: () -> None
n = 1000000
i = 0
intlist = [] # type: List[int]
strlist = [] # type: List[str]
while i < n:
intlist.append(i)
strlist.append("foo")
i += 1
log('Appended %d items to 2 lists', n)
def run_benchmarks():
# type: () -> None
n = 1 # Just one iteration is enough
x = 33
result = -1
i = 0
while i < n:
result = fib_recursive(x)
i += 1
log('fib_recursive(%d) = %d', x, result)
def DictDemo():
# type: () -> None
d = {} # type: Dict[str, int]
d['foo'] = 42
# TODO: implement len(Dict) and Dict::remove() and enable this
if 0:
log('len(d) = %d', len(d))
del d['foo']
log('len(d) = %d', len(d))
def run_tests():
# type: () -> None
stdout = mylib.Stdout()
out = TextOutput(stdout)
out.write('foo\n')
out.write('bar\n')
log('Wrote %d bytes', out.num_chars)
#b = Base()
d = Derived()
#log(b.method())
print(d.method())
print(f(d))
def run_benchmarks():
# type: () -> None
n = 500000
x = 33
result = -1
i = 0
while i < n:
result = fib_iter(x)
i += 1
log('fib_iter(%d) = %d', x, result)
log('Ran %d iterations of fib_iter', n)
def run_tests():
# type: () -> None
f = mylib.BufWriter()
for i in xrange(30):
f.write(chr(i + 65))
contents = f.getvalue()
log('Wrote %d bytes to StringIO', len(contents))
log('contents = %s ... %s', contents[:10], contents[-10:])
f2 = mylib.Stdout()
f2.write('stdout\n')
def run_tests():
# type: () -> None
# Use cases:
#
# Many in cmd_exec.py
#
# fd_state.Push(...) and Pop
# BeginAlias, EndAlias
# PushSource, PopSource (opens files)
# source
# eval -- no file opened, but need to change the current file
# PushTemp, PopTemp for env bindings
# PushErrExit, PopErrExit
# loop_level in cmd_exec
e = _ErrExit()
e.errexit = True # initially true
for do_raise in [False, True]:
log('')
log('-> errexit %d', e.errexit)
try:
DoWork(e, do_raise)
except RuntimeError:
log('exited with exception')
log('<- errexit %d', e.errexit)
def run_tests():
# type: () -> None
# Use cases:
#
# Many in cmd_exec.py
#
# fd_state.Push(...) and Pop
# BeginAlias, EndAlias
# PushSource, PopSource (opens files)
# source
# eval -- no file opened, but need to change the current file
# PushTemp, PopTemp for env bindings
# PushErrExit, PopErrExit
# loop_level in cmd_exec
d = DirStack()
for do_raise in [False, True]:
log('')
log('-> dir stack %d', len(d.stack))
try:
DoWork(d, do_raise)
except MyError:
log('exited with exception')
log('<- dir stack %d', len(d.stack))
def run_tests():
# type: () -> None
log('constant string')
stderr_line('stderr_line')
# Positional args
log("log %d %s", 42, "LL")
# Escaped %%
log("[%%] %d %s", 42, "LL")
log(CONST)
# mycpp generates dynamic_fmt_dummy() for DYNAMIC format string.
# TODO: We want to do something else.
# p_die(CONST, span_id=-1)
# Keyword args give location info for X_die()
span_id = 123
p_die('hello %d %s', 3, "PP", span_id=span_id)
# No keyword arguments
e_die('hello %d', 42)
e_die('hello')
def DictDemo():
# type: () -> None
# regression
nonempty = {'a': 'b'} # type: Dict[str, str]
d = {} # type: Dict[str, int]
d['foo'] = 42
# TODO: implement len(Dict) and Dict::remove() and enable this
if 0:
log('len(d) = %d', len(d))
del d['foo']
log('len(d) = %d', len(d))
def run_benchmarks():
# type: () -> None
n = 500000
x = 33
result = -1
f = mylib.BufWriter()
out = TextOutput(f)
i = 0
while i < n:
out.write('foo\n')
i += 1
log('Ran %d iterations', n)
log('Wrote %d bytes', out.num_chars)
def run_tests():
# type: () -> None
# NOTE: Output is meant to be inspected
if mylib.CPP:
log('CPP')
else:
log('CPP')
if mylib.PYTHON:
log('PYTHON')
else:
log('PYTHON')
if 0:
log('ZERO')
def run_benchmarks():
# type: () -> None
n = 10000
result = 0
i = 0
while i < n:
f = mylib.BufWriter()
for j in xrange(30):
f.write(chr(j + 65))
result += len(f.getvalue())
i += 1
log('Ran %d iterations', n)
log('result = %d', result)
def run_benchmarks():
# type: () -> None
# NOTE: Raising this exposes quadratic behavior
n = 50000
x = 33
result = -1
f = mylib.BufWriter()
out = TextOutput(f)
i = 0
while i < n:
out.write('foo\n')
i += 1
log('Ran %d iterations', n)
log('Wrote %d bytes', out.num_chars)
def run_benchmarks():
# type: () -> None
n = 500000
result = 0
i = 0
while i < n:
for j in xrange(3, 10):
result += j
for j, c in enumerate(CATS):
result += j
result += len(c)
i += 1
log('result = %d', result)
log('Ran %d iterations of xrange/enumerate', n)
def DoWork(d, do_raise):
# type: (DirStack, bool) -> None
# problem
# with self.mem.ctx_Call(...)
# PushCall/PopCall
# with self.mem.ctx_Temp(...)
# PushTemp/PopCall
# with self.mem.ctx_Source(...)
# PushSource/PopSource
#
# Scope_Call
# Scope_Temp
# PROBLEM: WE LOST TYPE CHECKING!
#with e.Context('zz') as _:
with ctx_DirStack(d, 'foo') as _:
log(' in context stack %d', len(d.stack))
if do_raise:
Error(do_raise)
def run_tests():
# type: () -> None
print('foo' + 'bar')
print('foo' * 3)
obj = Foo()
print('foo' + obj.s)
s = 'mystr'
print('[%s]' % s)
s = 'mystr'
print('[%s, %s]' % (s, 'abc'))
print('%s: 5%%-100%%' % 'abc')
print('<a href="foo.html">%s</a>' % 'anchor')
log("foo? %d", 'foo' in s)
log("str? %d", 'str' in s)
def run_benchmarks():
# type: () -> None
n = 1000000
mystr = 'abcd'
mylist = ['w', 'x', 'y', 'z']
result = 0
i = 0
while i < n:
# C++ has a big advantage here
#result += len(mystr)
#result += len(mylist)
# C++ shows no real advantage here
result += len(mystr[1:])
result += len(mylist[1:])
i += 1
log('result = %d', result)
log('iterations = %d', n)
def TestMaybeStrEquals():
# type: () -> None
a = 'foo'
b = 'bar'
x = '' # type: Optional[str]
# TODO: Conditionally assigning x = None doesn't work.
log('a == b -> %d', a == b)
log('a != b -> %d', a != b)
log('a == x -> %d', a == x)
log('a != x -> %d', a != x)