def parse_common_block(s: str) -> List[str]:
"""Parse a common block."""
myword = Word(alphanums + "_")
inside = OneOrMore(myword + ZeroOrMore("*") + ZeroOrMore(","))
parenthesis = ZeroOrMore(Char("(") + inside + Char(")"))
parser = Literal("common") + Char('/') + myword + Char('/') + \
OneOrMore(Group(myword + parenthesis + ZeroOrMore(Char(","))))
return parser.parseString(s).asList()
def task_from_md(md_lines, root=None):
st = StepTask()
if root is None:
root = StepTask.Root
else:
root = Path(root)
WRDs = OneOrMore(WRD)
equality = Char('=') + WRDs
name_template = 'name' + equality
repo_template = 'repo' + equality
statement_template = 'statement' + equality
checker_template = 'checker' + equality
solution_template = 'solution' + equality
tests_template = 'tests' + equality
score_template = 'score' + Char('=') + Word(nums)
for line in md_lines:
# print(line)
if line == repo_template:
repo = repo_template.parseString(line)[2]
st.params['repo'] = root / repo
elif line == score_template:
score = score_template.parseString(line)[2]
st.params['score'] = int(score)
elif line == statement_template:
statement = statement_template.parseString(line)[2]
st.params['statement'] = statement
elif line == name_template:
name = name_template.parseString(line)[2]
st.params['name'] = name
elif line == checker_template:
checker = checker_template.parseString(line)[2]
st.params['checker'] = checker
elif line == solution_template:
solution = solution_template.parseString(line)[2]
st.params['solution'] = solution
elif line == tests_template:
tests = tests_template.parseString(line)[2]
st.params['tests'] = tests
st.set_attrs()
return st
def parse_define(
define_line): # type: (str) -> typing.Any[typing.Type[ParserElement]]
# Group for parsing literal suffix of a numbers, e.g. 100UL
literal_symbol = Group(CaselessLiteral('L') | CaselessLiteral('U'))
literal_suffix = OneOrMore(literal_symbol)
# Define name
name = Word(alphas, alphas + nums + '_')
# Define value, either a hex, int or a string
hex_value = Combine(
Literal('0x') + Word(hexnums) +
Optional(literal_suffix).suppress())('hex_value')
int_value = Word(nums)('int_value') + ~Char('.') + Optional(
literal_suffix)('literal_suffix')
str_value = QuotedString('"')('str_value')
# Remove optional parenthesis around values
value = Optional('(').suppress() + (
hex_value ^ int_value ^ str_value)('value') + Optional(')').suppress()
expr = '#define' + Optional(name)('name') + Optional(value)
res = expr.parseString(define_line)
return res
def parse_task_language(line):
"""Разбирает строку вида lang=язык_задач, если язык пустой, возвращает None."""
lang_template = 'lang' + Char('=') + Word('_' + alphanums)
lang = None
if line == lang_template:
lang_tokens = lang_template.parseString(line)
logger.info(f'lang_tokens={lang_tokens}')
lang = lang_tokens[2]
return lang
def expr(self) -> ParserElement:
NL = LineEnd()
LIST_BREAK = NL + Optional(White(" \t")) + NL | StringEnd()
IGNORE = BlockQuote(**self.init_kwargs).expr | Panel(
**self.init_kwargs).expr | Color(**self.init_kwargs).expr
ROW = LineStart() + Combine(
Optional(self.nested_token, default="") +
ListIndent(self.indent_state, self.tokens) +
SkipTo(NL + Char(self.nested_token + self.tokens) | LIST_BREAK,
ignore=IGNORE) + Optional(NL), )
return OneOrMore(ROW, stopOn=LIST_BREAK).setParseAction(self.action)
def _create_grammar(self):
"""
Pyparsing implementation of a where clause grammar based on http://pyparsing.wikispaces.com/file/view/simpleSQL.py
The query language is a series of statements separated by AND or OR operators and parentheses can be used to group/provide
precedence.
A statement is a combination of three strings "<filter> <operator> <value>" or "<filter> <operator> <filter>".
A value can be a string, integer or a real(floating) number or a (ISO YYYY-MM-DD) date.
An operator must be one of "= != < > >= <= !:" and are translated into django __lte or equivalent suffixes.
See self.as_q
Example
something < 10 AND other >= 2015-01-01 AND (foo < 1 OR bar > 1)
"""
quoted_string_excluding_quotes = QuotedString(
'"',
escChar='\\').setParseAction(lambda token: StringValue(token[0]))
and_ = Keyword('and', caseless=True)
or_ = Keyword('or', caseless=True)
binary_op = oneOf('=> =< = < > >= <= : != !:',
caseless=True).setResultsName('operator')
# define query tokens
identifier = Word(alphas, alphanums + '_$-.').setName('identifier')
raw_value_chars = alphanums + '_$-+/$%*;?@[]\\^`{}|~.'
raw_value = Word(raw_value_chars, raw_value_chars).setName('raw_value')
value_string = quoted_string_excluding_quotes | raw_value
# Define a where expression
where_expression = Forward()
binary_operator_statement = (identifier + binary_op +
value_string).setParseAction(
self._binary_op_to_q)
unary_operator_statement = (identifier |
(Char('!') + identifier)).setParseAction(
self._unary_op_to_q)
free_text_statement = quotedString.copy().setParseAction(
self._freetext_to_q)
operator_statement = binary_operator_statement | free_text_statement | unary_operator_statement
where_condition = Group(operator_statement
| ('(' + where_expression + ')'))
where_expression << where_condition + ZeroOrMore(
(and_ | or_) + where_expression)
# define the full grammar
query_statement = Forward()
query_statement << Group(where_expression).setResultsName("where")
return query_statement
def expr(self) -> ParserElement:
MENTION = Combine(
"[" + Optional(
SkipTo("|", failOn="]") + Suppress("|"),
default="",
) + "~" + Optional(CaselessLiteral("accountid:")) +
Word(alphanums + ":-").setResultsName("accountid") + "]", )
return ((StringStart()
| Optional(PrecededBy(White(), retreat=1), default=" ")) +
MENTION.setParseAction(self.action) +
(StringEnd() | Optional(FollowedBy(
White() | Char(punctuation, excludeChars="[") | MENTION),
default=" ")))
def expr(self) -> ParserElement:
NON_ALPHANUMS = Regex(r"\W", flags=re.UNICODE)
TOKEN = Suppress(self.TOKEN)
IGNORE = White() + TOKEN | self.get_ignore_expr()
ELEMENT = Combine(
TOKEN + (~White() & ~Char(self.TOKEN)) +
SkipTo(TOKEN, ignore=IGNORE, failOn="\n") + TOKEN +
FollowedBy(NON_ALPHANUMS | StringEnd()), )
return (StringStart()
| PrecededBy(NON_ALPHANUMS, retreat=1)) + Combine(
ELEMENT.setParseAction(self.action) +
Optional(~ELEMENT, default=" "), )
def parse_lesson_id(line):
"""
Разбирает строку line вида
lesson = число
и возвращает это число.
"""
id_template = 'lesson' + Char('=') + Word(nums)
if not line == id_template:
error(f'Expect lesson id as lesson=number, now = {line}')
lesson = id_template.parseString(line)
lesson_id = int(lesson[2])
return lesson_id
def param_substitude(lines, param_dict):
mask_par = (CharsNotIn('{{}}')[0, ] + '{{' + WRD_p + '}}' +
CharsNotIn('{{}}')[0, ])[1, ] + Char('\n')[0, 1]
# mask_par.setParseAction(param_set)
mask_par.setParseAction(lambda tokens: param_set(tokens, param_dict))
for line_to, line in enumerate(lines):
line = line.rstrip()
if not line:
continue
lines[line_to] = mask_par.transformString(line)
return lines
def create_ast(expression_str: str) -> List[Union[str, List]]:
"""Evaluates the given expression"""
expression = Forward()
operand = Group(Char(alphas) + ZeroOrMore("'")) | Group(
Group("(" + expression + ")") + ZeroOrMore("'"))
expression <<= infixNotation(
operand,
[
(Empty(), 2, opAssoc.LEFT),
("*", 2, opAssoc.LEFT),
("+", 2, opAssoc.LEFT),
],
)
return expression.parseString(expression_str, parseAll=True).asList()
# :label - exported/global label
# OPCODE .label - .label gets turned into the corresponding address
# OPCODE :label+4 - same, but with an offset
labelprefix = oneOf(': .')
label = Combine(labelprefix + Word(alphanums + "_"))
label.setName('label')
labeloffset = Combine(labelprefix + Word(':', alphanums + "_-+"))
labeloffset.setName('labeloffset')
# Bytes can be represented in binary, hex, char, or a number (0-255 or -128-127)
# and may include embedded arithmetic
# OPCODE 0b00001100
# OPCODE 0x0b
# OPCODE 'a'
# OPCODE 254-0x0a
# OPCODE 'a'&0b00001111
binbyte = Combine(Literal('0b') + Char('01') * 8)
binbyte.setName('binbyte')
binbyte.setParseAction(lambda t: [int(t[0], 2)])
hexbyte = Combine(Literal('0x') + Char(srange("[0-9a-fA-F]")) * 2)
hexbyte.setName('hexbyte')
hexbyte.setParseAction(lambda t: [int(t[0], 16)])
chrbyte = QuotedString(quoteChar="'", unquoteResults=True)
chrbyte.setName('char')
chrbyte.setParseAction(lambda t: [ord(t[0])])
number = Word(nums + '-')
number.setName('number')
number.setParseAction(lambda t: [int(t[0])])
allbytes = binbyte | hexbyte | chrbyte | number
mathtoken = Combine(oneOf('+ - & |') + allbytes)
bytemathexpression = Combine(allbytes + OneOrMore(mathtoken))
bytemathexpression.setParseAction(lambda t: [eval(t[0])])
lisp_integer = Word(nums)
lisp_integer.setParseAction(lambda s, l, t: Int(t[0]))
lisp_float = Combine(Word(nums) + '.' + Word(nums))
lisp_float.setParseAction(lambda s, l, t: float(t[0]))
lisp_number = lisp_integer | lisp_float
lisp_string = QuotedString(quoteChar='"', escChar='\\', multiline=True)
lisp_string.setParseAction(lambda s, l, t: String(t[0]))
special = "_-+*/^><=:'"
#lisp_symbol = Word(alphas + nums + '_-' + '?!') # any order
#lisp_symbol = Combine(Char(alphas) + Word(alphas + nums + '?' + '!')) # starts with alphas
lisp_symbol = Combine(
Char(alphas + special) + Optional(Word(alphas + nums + special)) +
Optional(Char('?!'))) # Ruby style
lisp_symbol.setParseAction(lambda s, l, t: Symbol(t[0]))
lisp_atom = lisp_symbol | lisp_string | lisp_number
lisp_list = nestedExpr(opener='(',
closer=')',
content=lisp_atom,
ignoreExpr=lisp_string)
#lisp_list.setParseAction(lambda s,l,t: List(t)) # does not work
lisp_expr = lisp_atom | lisp_list
TREE,
CATCH,
FINALLY,
THROWS,
PROTECTED,
PUBLIC,
PRIVATE,
) = map(
Keyword,
"""src scope options tokens fragment id lexer parser grammar tree catch finally throws protected
public private """.split())
KEYWORD = MatchFirst(keywords)
# Tokens
EOL = Suppress(LineEnd()) # $
SGL_PRINTABLE = Char(printables)
singleTextString = originalTextFor(
ZeroOrMore(~EOL + (White(" \t") | Word(printables)))).leaveWhitespace()
XDIGIT = hexnums
INT = Word(nums)
ESC = BSLASH + (oneOf(list(r'nrtbf\">' + "'")) |
('u' + Word(hexnums, exact=4)) | SGL_PRINTABLE)
LITERAL_CHAR = ESC | ~(APOS | BSLASH) + SGL_PRINTABLE
CHAR_LITERAL = APOS + LITERAL_CHAR + APOS
STRING_LITERAL = APOS + Combine(OneOrMore(LITERAL_CHAR)) + APOS
DOUBLE_QUOTE_STRING_LITERAL = '"' + ZeroOrMore(LITERAL_CHAR) + '"'
DOUBLE_ANGLE_STRING_LITERAL = '<<' + ZeroOrMore(SGL_PRINTABLE) + '>>'
TOKEN_REF = Word(alphas.upper(), alphanums + '_')
RULE_REF = Word(alphas.lower(), alphanums + '_')
ACTION_ESC = (BSLASH.suppress() + APOS
| BSLASH.suppress()
rr_type_set.setName('<rr_type>')
# a series of RR types (without a semicolon separator)
rr_type_series = OneOrMore(
rr_type_set(
''
) # remove this label so we can float result to a bigger, later label
)('rr_types')
rr_type_series.setName('<rr_type ...>')
# a series of RR types (with a semicolon separator)
rr_type_list_series = OneOrMore(rr_type_set + semicolon)('rr_type_list')
rr_type_list_series.setName('<rr_type; ...;>')
# Following is commonly used in association with DNS zone records
rr_fqdn_w_absolute = Combine(domain_generic_fqdn + Optional(Literal('.')))
rr_fqdn_w_absolute.setName('<rr_fqdn_with_abs>')
# rr_domain_name is uzed in association with DNS zone records
# by 'update-policy', a zone-specific option
rr_domain_name = Combine(domain_generic_fqdn + Optional(Literal('.')))
rr_domain_name.setName('<rr_domain_name>')
# rr_domain_name may be '*.example.net', '*.congress.gov.', or '*'
rr_domain_name_or_wildcard = (rr_domain_name | Char(domain_charset_wildcard))
rr_domain_name_or_wildcard.setName('<target_rr_name>')
# ( <fqdn> | '.' )
rr_domain_name_or_root = (rr_domain_name | Literal('.'))
rr_domain_name_or_root.setName('<rr_domain_or_root>')
'~~', endQuoteChar='~~').setParseAction(wiki_italic_parse_action)
def wiki_underline_parse_action(start, length, tokens):
return f'<u>{tokens[0]}</u>'
underline = QuotedString(
'__', endQuoteChar='__').setParseAction(wiki_underline_parse_action)
def literal_parse_action(start, length, tokens):
return tokens[0]
literal = Literal('\\').setParseAction(nil_parse_action) + Char(
printables).setParseAction(literal_parse_action)
divider = Literal('{divider}').setParseAction(
lambda start, length, tokens: '<hr>')
wikiMarkup = literal | link | quote | bold | italic | underline | divider
def wiki_render(s):
return mark_safe(
wikiMarkup.transformString(s)) # TODO: yea, this isn't safe...
@register.filter
def wiki(value):
return wiki_render(value)
from pyparsing import (Empty, alphas, alphanums, nums, Literal, Word, Char,
ParserElement, Forward, Combine, OneOrMore, Group,
Regex, ZeroOrMore, White, CaselessKeyword, Optional)
import re
## TERMINALS
identifier = Word(alphas + '_', alphanums + '_')
lBrace = Literal('{').suppress()
rBrace = Literal('}').suppress()
eq = Literal('=').suppress()
escapedSymbol = Literal('~').suppress() + Char('{}~"\'/')
## GRAMMAR
source: ParserElement = Forward()
item: ParserElement = Forward()
#### ARGS
##### ARGVALUES
def Quote(q):
q = Literal(q).suppress()
quotedStringBit = Combine(
OneOrMore(escapedSymbol
| (~q +
Regex('[^{}]', re.S))))('stringBit').leaveWhitespace()
quotedString = q + (OneOrMore(
Group(item.leaveWhitespace() | source.leaveWhitespace()
| quotedStringBit)) | Empty())('value') + q
return quotedString
def assertParseElementFalse(af_parse_element, af_test_data,
af_expected_result):
"""
A nice wrapper routine to ensure that the word 'False' is in the
function name.
"""
assertParseElement(a_parse_element=af_parse_element,
a_test_data=af_test_data,
a_expected_result=af_expected_result,
a_assert_flag=False)
addr = Word(alphanums + '_-./:').setResultsName('addr').setName('<addr>')
semicolon, lbrack, rbrack = map(Suppress, ';{}')
exclamation = Char('!')
aml_nesting = Forward()
aml_nesting << (
lbrack + (
ZeroOrMore(
Group(
(exclamation('not') + aml_nesting)
| (exclamation('not') + addr + semicolon)
| (aml_nesting)
| (
addr + semicolon
) # never set a ResultsLabel here, you get duplicate but un-nested 'addr'
) # never set a ResultsLabel here, you get no []
)(None))('aml_nesting') + rbrack +
semicolon)(
class ChoiceTree:
'''
Class that parses strings representing possible combinations, and returns possible combinations.
e.g.
"abc[de|fg]" → [ "abcde", "abcfg" ]
"I [eat|like] [|hot]dogs" → [ "I eat dogs", "I like dogs", "I eat hotdogs", "I like hotdogs" ]
Escape symbol is '~'
e.g.
"abc~[def~]" → [ "abc[def]" ]
Due to reasons, an escaped escape '~~' is not turned into a literal '~',
if this is not up to liking, simply .replace('~~', '~') yourself after parsing.
Essentially, consider the noncommutative Semiring of (unordered) lists of strings,
so that in python notation: list1+list2 == [*list1, *list2] the concatenation of lists
and list1*list2 == [a+b for a in list1 for b in list2] the concatenation of each pair of strings.
(This ring has as neutral element the list of the empty string, and as zero element the empty list.)
We write addition using the "|" symbol, the product is implicit (i.e. a*b == ab), and use [] as parentheses,
so that in python notation e.g. "abc" == ["abc"] and "a|b|c" == ["a", "b", "c"]
What ChoiceTree does is parse such expressions, and using the distributivity rule ( [a|b]c == ab|ac )
it simplifies the expression to a sum of products.
'''
class Text:
def __init__(self, text):
self.text = text if text == '' else ''.join(text.asList())
self.count = 1
self.reset()
__str__ = __repr__ = lambda s: s.text
def next(self):
self.done = True
return self.text
def random(self):
return self.text
def reset(self):
self.done = False
def current(self):
return self.text
class Choice:
def __init__(self, vals):
self.vals = vals.asList()
self.count = sum(v.count for v in self.vals)
self.reset()
__str__ = __repr__ = lambda s: '[{}]'.format('|'.join(
[str(v) for v in s.vals]))
def next(self):
next = self.vals[self.i]
out = next.next()
if next.done:
self.i += 1
if self.i == len(self.vals):
self.done = True
return out
def random(self):
# Weighted based on the number of different possible branches each child has.
return np.random.choice(self.vals,
p=list(v.count / self.count
for v in self.vals)).random()
def reset(self):
self.i = 0
self.done = False
[c.reset() for c in self.vals]
def current(self):
return self.vals[self.i].current()
class Group:
def __init__(self, vals):
self.vals = vals.asList()
self.count = functools.reduce(lambda x, y: x * y,
(c.count for c in self.vals), 1)
self.reset()
__str__ = __repr__ = lambda s: ''.join([str(v) for v in s.vals])
def next(self):
i = 0
out = ''
while True:
out += self.vals[i].next()
if self.vals[i].done:
if i == len(self.vals) - 1:
self.done = True
break
else:
self.vals[i].reset()
else:
break
i += 1
i += 1
while i < len(self.vals):
out += self.vals[i].current()
i += 1
return out
def random(self):
return ''.join(v.random() for v in self.vals)
def reset(self):
self.done = False
[c.reset() for c in self.vals]
def current(self):
return ''.join([c.current() for c in self.vals])
escapedSymbol = Char('~').suppress() + Char('[|]')
escapedEsc = Literal('~~')
soleEsc = Char('~')
lbr = Literal('[').suppress()
rbr = Literal(']').suppress()
div = Literal('|').suppress()
_text = Regex(
r'[^\[\|\]~]+'
) # any sequence of characters not containing '[', ']', '|' or '~'
text = pGroup(
OneOrMore(escapedSymbol | escapedEsc | soleEsc
| _text)).setParseAction(lambda t: ChoiceTree.Text(t[0]))
group = Forward()
choice = pGroup(lbr + group + ZeroOrMore(div + group) +
rbr).setParseAction(lambda t: ChoiceTree.Choice(t[0]))
empty = Empty().setParseAction(lambda t: ChoiceTree.Text(''))
group <<= pGroup(OneOrMore(text | choice) | empty).setParseAction(
lambda t: ChoiceTree.Group(t[0])).leaveWhitespace()
def __init__(self,
text,
parse_flags=False,
add_brackets=False,
leave_escapes=False):
self.flag_random = False
if parse_flags:
if text[:3] == '[?]':
text = text[3:]
self.flag_random = True
if add_brackets: text = '[' + text + ']'
self.root: ChoiceTree.Group = ChoiceTree.group.parseString(text)[0]
self.count = self.root.count
def __iter__(self):
if self.flag_random:
yield self.random()
return
while not self.root.done:
yield self.root.next()
self.root.reset()
def random(self):
return self.root.random()
def task_from_md(md_lines, params):
st = StepTask(params.get('task_lang'))
if 'task_root' in params:
root = Path(params['task_root'])
else:
root = StepTask.Root
# TODO вынести в parse.py и избавиться от перечислений (свернуть код?) и разрешить русские буквы в пути к файлам
WRDs = OneOrMore(alphanums)
equality = Char('=') + WRDs
name_template = 'name' + equality
repo_template = 'repo' + equality
statement_template = 'statement' + equality
checker_template = 'checker' + equality
solution_template = 'solution' + equality
tests_template = 'tests' + equality
header_template = 'header' + equality
footer_template = 'footer' + equality
score_template = 'score' + Char('=') + Word(nums)
visible_tst_num_template = 'visible_tst_num' + Char('=') + Word(nums)
for line in md_lines:
# print(line)
if line == repo_template:
repo = repo_template.parseString(line)[2]
st.params['repo'] = root / repo
elif line == score_template:
score = score_template.parseString(line)[2]
st.params['score'] = int(score)
elif line == visible_tst_num_template:
visible_tst_num = visible_tst_num_template.parseString(line)[2]
st.params['visible_tst_num'] = int(visible_tst_num)
elif line == statement_template:
statement = statement_template.parseString(line)[2]
st.params['statement'] = statement
elif line == name_template:
name = name_template.parseString(line)[2]
st.params['name'] = name
elif line == checker_template:
checker = checker_template.parseString(line)[2]
st.params['checker'] = checker
elif line == solution_template:
solution = solution_template.parseString(line)[2]
st.params['solution'] = solution
elif line == tests_template:
tests = tests_template.parseString(line)[2]
st.params['tests'] = tests
elif line == header_template:
header = header_template.parseString(line)[2]
st.params['header'] = header
elif line == footer_template:
footer = footer_template.parseString(line)[2]
st.params['footer'] = footer
st.set_attrs()
return st
"""
import os
import os.path
import errno
import sys
import argparse
from pprint import PrettyPrinter
from pyparsing import Literal, CaselessLiteral, \
ParseException, ParseSyntaxException, \
Word, alphanums, Group, Optional, nums, Combine, Char, \
cppStyleComment, pythonStyleComment, OneOrMore, \
Suppress, ungroup
unix_pipe_support = False
period = Literal('.')
exclamation = Char('!')
exclamation.setName('not')
lbrack, rbrack, semicolon, slash = map(Suppress, '{};/')
dquote = Literal('"').setName("'\"'")
squote = Literal("'").setName('"\'"')
isc_boolean = (
CaselessLiteral('yes')
| CaselessLiteral('no')
| Literal('1')
| Literal('0')
| CaselessLiteral('True')
| CaselessLiteral('False')
)
isc_boolean.setName('<boolean>')
# alphanums_series = Group(Word(alphanums) + Word(alphanums)) + semicolon
Combine,
Group,
Optional,
Word,
ZeroOrMore,
alphanums,
printables,
)
from collections import namedtuple
from typing import List, Optional as Opt
__all__ = ["parse_cli_string"]
d = "-"
dash = Char(d)
arg_identifier = Combine(dash + Optional(dash))
arg_name = Word(alphanums + d)
kwarg = Combine(arg_identifier + arg_name)
value_bgn = "".join([p for p in list(printables) if p != d])
value = Combine(Char(value_bgn) + ZeroOrMore(Word(printables)))
kwarg_and_value = kwarg + value
bool_arg = kwarg
varargs_and_values = kwarg + value[2, ...]
arg = (kwarg_and_value("kwarg") ^ bool_arg("flag")
^ varargs_and_values("varargs"))
cli = ZeroOrMore(Group(arg))
+ '){0,16}' + \
domain_label_regex + '\.' \
+ '){0,1}'\
+ tld_label_regex
domain_fqdn = Regex(domain_fqdn_regex)
domain_fqdn.setName('<strict-fqdn>')
domain_fqdn.setResultsName('domain_name')
# Generic fully-qualified domain name (less stringent)
domain_generic_fqdn = Combine(
domain_generic_label
+ ZeroOrMore(
Literal('.')
+ domain_generic_label
)
+ Optional(Char('.'))
)
domain_generic_fqdn.setName('<generic-fqdn>')
domain_generic_fqdn.setResultsName('domain_name')
quoted_domain_generic_fqdn = (
Combine(squote - domain_generic_fqdn - squote)
| Combine(dquote - domain_generic_fqdn - dquote)
)
quoted_domain_generic_fqdn.setName('<quoted_domain_name>')
quotable_domain_generic_fqdn = (
Combine(squote - domain_generic_fqdn - squote)
| Combine(dquote - domain_generic_fqdn - dquote)
| domain_generic_fqdn
)
def from_aiken(md_lines):
st = StepMultipleChoice()
WRDs = ZeroOrMore(WRD)
opt_template = Char(alphas) + (Char(')') ^ Char('.')) + WRDs
ans_template = 'ANSWER:' + OneOrMore(Char(alphas) + Char(',')[0, 1])
class Status(Enum):
QUESTION = 0
VARIANT = 1
ANSWER = 3
letter_seq = [] # letter sequence from aiken variant, A, B, C, D, etc
md_part = []
status = Status.QUESTION
for line in md_lines:
# Is it SHUFFLE option?
"""if line.startswith('SHUFFLE:'):
sh = ('SHUFFLE:' + WRD).parseString(line)
if sh[1].lower() == 'true':
st.preserve_order = False
elif sh[1].lower() == 'false':
st.preserve_order = True
else:
logger.warning(f'Unknown value SHUFFLE: [{sh[1]}]')
continue"""
if line.startswith('SHUFFLE:'):
st.preserve_order = not bool_check(
'SHUFFLE', line
) # единсвенная проблема в том, что при неправильном написании true или false будет автоматом ставиться true
continue
# variant begin by A) or A.
if line == opt_template:
opt = opt_template.parseString(line)
letter = opt[0]
txt = ' '.join(opt[2:])
if status == Status.QUESTION:
# first answer begin, question end
status = Status.VARIANT
st.text = html(md_part)
elif status == Status.VARIANT:
# next variant, commit previous variant
st.add_option(md_part)
md_part = [txt]
letter_seq.append(letter)
elif line == ans_template and status == Status.VARIANT:
# end of question
st.add_option(md_part)
ans = ans_template.parseString(line)
ans_str = " ".join(ans[1:])
logger.debug(f'group1 = {ans_str}')
letters = [s.strip() for s in ans_str.split(',')]
logger.debug(f'letters={letters}')
st.is_multiple_choice = len(letters) > 1
for letter in letters:
ind = letter_seq.index(letter)
st.options[ind]['is_correct'] = True
return st
else:
# continue a question or answer
md_part.append(line)
question in AIKEN format
"""
import logging
from pyparsing import Char, Word, CharsNotIn, ZeroOrMore, nums, alphas, alphanums, printables, srange
logger = logging.getLogger('deploy_scripts')
# TODO нужны ли kir_letter вместе с srange(['а-я_']) + srange(['А-Я_']) ?
kir_letter = 'абвгдеёжзийклмнопрстуфхцчшщъыьэюяАБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ_'
WRD = Word(printables + kir_letter + srange(['а-я_']) + srange(['А-Я_']))
WRD_p = Word(alphanums + kir_letter + srange(['а-я_']) + srange(['А-Я_']))
WRDs = ZeroOrMore(WRD)
sharp = Char('#')
not_sh = CharsNotIn('#')
def error(message="Error"):
raise ValueError(message)
def bool_check(param_name, line):
"""
Разбирает line по формату 'param_name:true|false', возвращает True или False (case insensitive), в случае ошибки возвращает False
:param param_name: ключ
:param line: разбираемая строка
:return: True или False в разбираемой строке
"""
# Todo подумать, надо ли в слушае ошибки False или лучше exception
isc_boolean = (CaselessLiteral('yes')
| CaselessLiteral('no')
| Literal('1')
| Literal('0')
| CaselessLiteral('True')
| CaselessLiteral('False'))
isc_boolean.setName('<boolean>')
charset_key_id_base = alphanums + '_-'
charset_key_id_dquotable = charset_key_id_base + "'"
charset_key_id_squotable = charset_key_id_base + '"'
key_id_base = Word(charset_key_id_base, max=62)
key_id_dquotable = Combine(
Char('"') + Word(charset_key_id_dquotable, max=64) + Char('"'))
key_id_squotable = Combine(
Char("'") + Word(charset_key_id_squotable, max=64) + Char("'"))
key_id = (key_id_dquotable ^ key_id_squotable ^ key_id_base)('key_id')
key_id.setName('<key_id>')
charset_keysecret_base = alphanums + '+/='
charset_keysecret_dquotable = charset_keysecret_base + "'"
charset_keysecret_squotable = charset_keysecret_base + '"'
keysecret_base = Word(charset_keysecret_base, max=32767)
keysecret_dquotable = Combine(
Char('"') + Word(charset_keysecret_dquotable, max=32765) + Char('"'))
keysecret_squotable = Combine(
Char("'") + Word(charset_keysecret_squotable, max=32765) + Char("'"))
