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How to use parse_const method in yandex-tank
Best Python code snippet using yandex-tank
idl_syntax.py
Source:idl_syntax.py 
...22"""23WHITESPACE = " \t\n\r"24class IDLError(Exception):25 pass26def parse_const(text):27 stream = list(text)28 res = _parse_const(stream)29 trailing = "".join(stream).strip()30 if trailing:31 raise IDLError("trailing data after template: %r" % (trailing,))32 return res33def _parse_const(stream):34 while True:35 ch = stream[0]36 if ch in WHITESPACE:37 stream.pop(0)38 else:39 break40 if ch == "[":41 return _parse_list(stream)42 if ch == "{":43 return _parse_dict(stream)44 if ch in "0123456789":45 return _parse_number(stream)46 if ch in ("'", '"'):47 return _parse_string(stream)48 elif ch in "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_":49 return _parse_identifier(stream)50 else:51 raise IDLError("invalid literal %r" % (ch,))52def _parse_identifier(stream):53 name = stream.pop(0)54 while stream:55 ch = stream[0]56 if ch not in "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789":57 break58 name += stream.pop(0)59 if name == "true":60 return True61 elif name == "false":62 return False63 #return name64 raise IDLError("constants cannot contain identifiers %r" % (name,))65def _parse_list(stream):66 items = []67 assert stream.pop(0) == "["68 while True:69 if not stream:70 raise IDLError("list: missing closing ']'")71 ch = stream[0]72 if ch in WHITESPACE + ",": 73 stream.pop(0)74 continue75 if ch == "]":76 stream.pop(0)77 break78 else:79 items.append(_parse_const(stream))80 return items81def _parse_dict(stream):82 items = {}83 assert stream.pop(0) == "{"84 while True:85 if not stream:86 raise IDLError("dict: missing closing '}'")87 ch = stream[0]88 if ch in WHITESPACE + ",": 89 stream.pop(0)90 continue91 elif ch == "}":92 stream.pop(0)93 break94 else:95 k = _parse_const(stream)96 while True:97 ch = stream[0]98 if ch in WHITESPACE: 99 stream.pop(0)100 continue101 elif ch == ":":102 stream.pop(0)103 break104 else:105 raise IDLError("dict item expected ':', found %r", ch)106 v = _parse_const(stream)107 items[k] = v108 return items109def _parse_number(stream):110 if stream[0:2] == ["0", "x"]:111 del stream[0:2]112 DIGSET = "0123456789abcdefABCDEF"113 base = 16114 elif stream[0:2] == ["0", "o"]:115 del stream[0:2]116 base = 8117 DIGSET = "01234567"118 elif stream[0:2] == ["0", "b"]:119 del stream[0:2]120 base = 2121 DIGSET = "01"122 else:123 base = 10124 DIGSET = "0123456789.eE+-"125 126 digits = []127 while stream:128 ch = stream[0]129 if ch in DIGSET:130 stream.pop(0)131 digits.append(ch)132 else:133 break134 digits = "".join(digits).lower()135 136 if "." in digits or "e" in digits:137 return float(digits)138 else:139 return int(digits, base)140STRING_ESCAPES = {141 "n" : "\n",142 "r" : "\r",143 "t" : "\t",144 "\\" : "\\",145 "'" : "'",146 '"' : '"',147}148def _parse_string(stream):149 delim = stream.pop(0)150 assert delim in ("'", '"')151 chars = []152 while True:153 if not stream:154 raise IDLError("string: missing closing quote")155 ch = stream.pop(0)156 if ch == delim:157 break158 elif ch == "\\":159 ch = stream.pop(0)160 if ch in STRING_ESCAPES:161 ch = STRING_ESCAPES[ch]162 elif ch == "x":163 d1 = stream.pop(0)164 d2 = stream.pop(0)165 ch = chr(int(d1,16)*16 + int(d2,16))166 ch = STRING_ESCAPES.get(ch, ch)167 chars.append(ch)168 return "".join(chars)169def parse_template(text):170 stream = list(text)171 res = _parse_template(stream)172 trailing = "".join(stream).strip()173 if trailing:174 raise IDLError("trailing data after template: %r" % (trailing,))175 return res176def _parse_template(stream):177 head = []178 children = []179 end_of_head = False180 while stream:181 ch = stream[0]182 if ch in WHITESPACE:183 stream.pop(0)184 end_of_head = True185 continue186 elif ch == "[":187 stream.pop(0)188 end_of_head = True189 child = None190 while True:191 ch = stream[0]192 if ch == "]":193 stream.pop(0)194 if child:195 children.append(child)196 child = None197 break198 elif ch == ",":199 stream.pop(0)200 if child:201 children.append(child)202 child = None203 else:204 raise IDLError("expected identifier before ','")205 else:206 child = _parse_template(stream)207 elif ch in ",]":208 break209 if end_of_head:210 break211 else:212 head.append(ch)213 stream.pop(0)214 return "".join(head), children215#if __name__ == "__main__":216# try:217# print parse_const(r"""[0x12, 11, 0b1110, 3.1415926535, 3.14e+19, 3.14e-19]""")218# print parse_const(r"""['hello', "world", 'hi\n\r\tthere', 'hi\\there', 'hi\"there', 'hi\'there', 'hi\x20there']""")219# print parse_const(r"""{1 : 2, "hello" : 17.3}""")220# print parse_const(r"""[17, 18, 19] 20""")221# print parse_const(r"""{17 : 18, 19 : 20} 21""")222# print parse_template("map[int, list[str]]")223# except IDLError:224# raise225# except Exception:226# import pdb227# import sys228# import traceback229# print "".join(traceback.format_exception(*sys.exc_info()))230# pdb.post_mortem(sys.exc_info()[2])...
__init__.py
Source:__init__.py
...46 if not left.startswith(','):47 raise ValueError(left)48 return ret, src49 @classmethod50 def parse_const(self, src):51 """52 >>> MiOutput.parse_const('""')53 ('', '')54 >>> MiOutput.parse_const('"abc"')55 ('abc', '')56 >>> MiOutput.parse_const('"abc","123"')57 ('abc', ',"123"')58 >>> MiOutput.parse_const('"abc\\\\"1"')59 ('abc\\\\"1', '')60 """61 limit = len(src)62 tail = 163 while src[tail] != '"':64 if src[tail] == "\\": #escape65 tail += 166 tail += 167 if tail >= limit:68 raise ValueError(src)69 return (src[1:tail], src[tail+1:])70 @classmethod71 def parse_list(self, src):72 """73 >>> MiOutput.parse_list("[]")74 ([], '')75 >>> MiOutput.parse_list("[],123")76 ([], ',123')77 >>> MiOutput.parse_list('["a","b","c"]')78 (['a', 'b', 'c'], '')79 >>> MiOutput.parse_list("[[]],123")80 ([[]], ',123')81 >>> MiOutput.parse_list("[[],[]],123")82 ([[], []], ',123')83 >>> MiOutput.parse_list('[[["a"]],["b"]],123')84 ([[['a']], ['b']], ',123')85 """86 ret = []87 src = src[1:]88 if src[0] == ']':89 return ret, src[1:]90 while src:91 value, left = self.parse_value(src)92 ret.append(value)93 src = left[1:]94 if left.startswith(']'):95 break96 if not left.startswith(','):97 raise ValueError(left)98 return ret, src99 @classmethod100 def parse_value(self, src):101 if src.startswith('{'):102 return self.parse_tuple(src)103 if src.startswith('['):104 return self.parse_list(src)105 if src.startswith('"'):106 return self.parse_const(src)107 # for legacy format [k=v,k=v,...]108 (k, sep, left) = src.partition('=')109 if sep:110 v, left = self.parse_value(left)111 return ({k:v}, left)112 raise ValueError(src)113 @classmethod114 def parse_result(self, src):115 """ key-value pair116 >>> MiOutput.parse_result('a="1"')117 (('a', '1'), '')118 >>> MiOutput.parse_result('a="1",foo')119 (('a', '1'), ',foo')120 """...
d18_2.py
Source:d18_2.py
...43 def value(self):44 return self.root.value()45 def __repr__(self):46 return f"({self.root})"47def parse_const(inp, loc):48 """49 Parse bottom level identifiers. These are constants or parenthesized expressions50 """51 csym = inp[loc]52 if csym.exact_type == tokenize.LPAR:53 expr, end = parse_multiplications(inp, loc+1)54 if inp[end].exact_type != tokenize.RPAR:55 raise RuntimeError(f"Expecting token: ). Got {inp[end]}.")56 return Paren(expr), end+157 elif csym.type == tokenize.NUMBER:58 return Number(csym), loc+159 else: raise RuntimeError(f"Invalid token: {csym}")60def parse_additions(inp, loc):61 """62 Parse additions63 """64 start_node, loc = parse_const(inp, loc)65 cnode = inp[loc]66 while cnode.exact_type == tokenize.PLUS:67 end_node, loc = parse_const(inp, loc+1)68 start_node = Operator(cnode, start_node, end_node)69 cnode = inp[loc]70 return start_node, loc71def parse_multiplications(inp, loc):72 """73 Parse multiplications74 """75 start_node, loc = parse_additions(inp, loc)76 cnode = inp[loc]77 while cnode.exact_type == tokenize.STAR:78 end_node, loc = parse_additions(inp, loc+1)79 start_node = Operator(cnode, start_node, end_node)80 cnode = inp[loc]81 return start_node, loc...
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