本文整理汇总了Python中stream.Stream.get方法的典型用法代码示例。如果您正苦于以下问题：Python Stream.get方法的具体用法？Python Stream.get怎么用？Python Stream.get使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类stream.Stream的用法示例。
在下文中一共展示了Stream.get方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: ParseError
# 需要导入模块: from stream import Stream [as 别名]
# 或者: from stream.Stream import get [as 别名]
class Tokenizer:
class ParseError(RuntimeError):
pass
class ModuleError(RuntimeError):
pass
def parse(self, src):
self.strm = Stream(src)
self.tokens = []
s = self.strm
m = 'text block'
buf = ''
while not s.eof():
c = s.get()
if m == 'text block':
if c == '{' and s.cur() == '@':
if len(buf):
self.tokens.append(Token(kind='text-block', value=buf))
buf = ''
s.get()
self.tokens.append(Token(kind='lbraceat', value='{@'))
m = 'code block'
elif c == '{' and s.cur() == '{':
if len(buf):
self.tokens.append(Token(kind='text-block', value=buf))
buf = ''
s.get()
self.tokens.append(Token(kind='ldbrace', value='{{'))
m = 'ref block'
else:
buf += c
elif m == 'ref block':
if c == '}' and s.cur() == '}':
s.get()
self.tokens.append(Token(kind='rdbrace', value='}}'))
m = 'text block'
elif self.is_identifier_char(c):
s.prev()
self.read_identifier()
elif c == '(':
self.tokens.append(Token(kind='lparen', value='('))
elif c == ')':
self.tokens.append(Token(kind='rparen', value=')'))
elif c == '.':
self.tokens.append(Token(kind='operator', value='.'))
elif c == '"':
s.prev()
self.read_string()
elif m == 'code block':
if c == '@' and s.cur() == '}':
s.get()
self.tokens.append(Token(kind='rbraceat', value='@}'))
m = 'text block'
elif c == '.':
self.tokens.append(Token(kind='operator', value='.'))
elif c == ',':
self.tokens.append(Token(kind='comma', value=','))
elif c == '(':
self.tokens.append(Token(kind='lparen', value='('))
elif c == ')':
self.tokens.append(Token(kind='rparen', value=')'))
elif c == ':':
self.tokens.append(Token(kind='colon', value=':'))
elif c == '=':
s.prev()
self.read_assign()
elif c == '!':
s.prev()
self.read_not()
elif c == '<':
s.prev()
self.read_lt()
elif c == '>':
s.prev()
self.read_gt()
elif c == '+':
s.prev()
self.read_add()
elif c == '-':
s.prev()
self.read_sub()
elif c == '*':
self.tokens.append(Token(kind='operator', value='*'))
elif c == '/':
self.tokens.append(Token(kind='operator', value='/'))
elif c == '"':
s.prev()
self.read_string()
elif c.isdigit():
s.prev()
self.read_digit()
elif self.is_identifier_char(c):
s.prev()
self.read_identifier()
elif c.isspace():
pass
else:
raise Tokenizer.ParseError('unsupprted character %s' % c)
#.........这里部分代码省略.........
示例2: TestPyMorseStreamSlow
# 需要导入模块: from stream import Stream [as 别名]
# 或者: from stream.Stream import get [as 别名]
class TestPyMorseStreamSlow(unittest.TestCase):
def setUp(self):
print("Starting test...")
self.freq = 10
self._server = SocketWriter(freq = self.freq) # First tests: producer at 10 Hz
self.com = ComChannel("localhost")
self.stream = Stream(self.com, 61000, maxlength = 3)
def test_get(self):
self.assertEqual(self.stream.get(), [0])
self.assertEqual(self.stream.get(), [1])
def test_last(self):
self.assertIsNone(self.stream.last())
self.stream.get()
self.assertEqual(self.stream.last(), [0])
self.stream.get()
self.assertEqual(self.stream.last(), [1])
def test_last_timed(self):
d = 1/float(self.freq)
self.assertIsNone(self.stream.last())
time.sleep(d + d * 0.5)
self.assertEqual(self.stream.last(), [0])
time.sleep(d)
self.assertEqual(self.stream.last(), [1])
time.sleep(d)
time.sleep(d)
self.assertEqual(self.stream.last(), [3])
def test_last_n(self):
d = 1/float(self.freq)
self.assertIsNone(self.stream.last())
self.assertIsNone(self.stream.last(2))
self.assertIsNone(self.stream.last(10))
time.sleep(d + d * 0.5)
self.assertEqual(self.stream.last(1), [[0]])
self.assertEqual(self.stream.last(2), [[0]]) # if only one item available, should be fine to ask for two
time.sleep(d)
self.assertEqual(self.stream.last(1), [[1]]) # make sure we return the last one
self.assertEqual(self.stream.last(2), [[0],[1]]) # make sure the order is right (from older to most recent)
time.sleep(d)
self.assertEqual(self.stream.last(3), [[0],[1],[2]])
time.sleep(d)
self.assertEqual(self.stream.last(3), [[1], [2],[3]])
self.assertEqual(self.stream.last(4), [[1], [2],[3]]) # make sure the buffer lenght (here, 3) is used
def test_subscribe(self):
d = 1/float(self.freq)
self.ok = False
self.i = 0
self.stream.subscribe(self.on_data)
time.sleep(d + d * 0.5)
self.assertTrue(self.ok)
self.ok = False
time.sleep(d)
self.assertTrue(self.ok)
def test_unsubscribe(self):
d = 1/float(self.freq)
self.ok = False
self.i = 0
self.stream.subscribe(self.on_data)
time.sleep(d + d * 0.5)
self.assertTrue(self.ok)
self.ok = False
self.stream.unsubscribe(self.on_data)
time.sleep(d)
self.assertFalse(self.ok)
def on_data(self, record):
self.ok = True
self.assertEqual(record, [self.i])
self.i += 1
def tearDown(self):
self.com.close()
#.........这里部分代码省略.........
示例3: ModuleError
# 需要导入模块: from stream import Stream [as 别名]
# 或者: from stream.Stream import get [as 别名]
#.........这里部分代码省略.........
return self._traverse(node.factor, dep=dep+1)
else:
raise AST.ModuleError('programming error. impossible case in traverse term')
elif isinstance(node, FactorNode):
if node.expr:
return self._traverse(node.expr, dep=dep+1)
elif node.identifier != None:
if node.identifier not in self.context.syms.keys():
raise AST.ReferenceError('%s is not defined' % node.identifier)
return self.context.syms[node.identifier]
elif node.digit:
return self._traverse(node.digit, dep=dep+1)
elif node.string != None:
return node.string
elif node.callable:
return self._traverse(node.callable, dep=dep+1)
elif isinstance(node, DigitNode):
return node.value
elif isinstance(node, AssignExprNode):
return self.traverse_assign_expr(node, dep+1)
elif isinstance(node, ImportNode):
self.traverse_import(node, dep+1)
elif isinstance(node, CallerNode):
self.traverse_caller(node, dep+1)
elif isinstance(node, CallableNode):
package = node.caller_list.identifier
if package == 'opts':
if node.caller_list.caller_list.identifier == 'get':
if self.opts and node.args.arg.string in self.opts.keys():
return self.opts[node.args.arg.string]
else:
return ''
else:
raise AST.ModuleError('impossible. not supported node', type(node))
def traverse_assign_expr(self, node, dep):
lhs = node.assign_operand_lhs
op = node.assign_operator
rhs = node.assign_operand_rhs
assexpr = node.assign_expr
if lhs is None and rhs:
if rhs.expr:
return self._traverse(rhs.expr, dep+1)
elif rhs.callable:
return self._traverse(rhs.callable, dep+1)
elif rhs.string != None:
return rhs.string
elif rhs.identifier != None:
if rhs.identifier not in self.context.syms.keys():
raise AST.ReferenceError('"%s" is not defined' % rhs.identifier)
elif lhs and op and assexpr:
if op.operator == '=':
self.context.syms[lhs.identifier] = self._traverse(assexpr, dep=dep+1)
self.context.last_expr_val = self.context.syms[lhs.identifier]
return self.context.syms[lhs.identifier]
else:
raise AST.ModuleError('unsupported operator "%s"' % op.operator)
else:
raise AST.ModuleError('invalid case in traverse assign expr')