class JenkinsFileParser:
STAGE_KEY = 'stage'
COMMENTED_STAGE_KEY = 'commented_stage'
def __init__(self, filename='Jenkinsfile'):
self.filename = filename
self.create_grammar()
def create_grammar(self):
self.beg = SkipTo(LineStart() + Literal('/*')*(0, 1) + Literal('stage'), ignore=Literal('stages'))
self.block = Forward()
self.parallel = Suppress('parallel') + self.nested(self.block)
self.parallel.setParseAction(lambda t: t[0])
self.environment = Suppress('environment') + self.nested()
self.stage_content = (
self.nested((self.parallel | self.environment.suppress()), 'parallel') |
self.nested().suppress()
)
self.stage = Group(
Suppress('stage' + '(') +
quotedString('stage_name').setParseAction(removeQuotes) +
Suppress(')') +
self.stage_content)(
self.STAGE_KEY + '*'
)
self.commented_stage = Group(Suppress('/*') + self.stage + Suppress('*/'))(self.COMMENTED_STAGE_KEY + '*')
self.any_stage = self.stage | self.commented_stage
self.block << Group(self.parallel | self.any_stage)('block*')
@staticmethod
def nested(elem=None, name=None):
expr = nestedExpr('{', '}', content=elem, ignoreExpr=Literal('*/'))
if name:
return expr.setResultsName(name)
return expr
def evaluate_stages(self):
a = self.beg.suppress() + self.block[...]
test = a.parseFile(self.filename)
# print(test.asDict())
# print(json.dumps(test.asDict(), indent=4))
return test.asDict()
def find_stage_by_name(self, name, content):
quoted_name = (Literal('"') | Literal("'")).suppress() + name + (Literal('"') | Literal("'")).suppress()
# named_stage = Literal('/*')*(0, 1) + 'stage' + '(' + quoted_name + ')' + self.nested() + Literal('*/')*(0, 1)
named_stage = 'stage' + '(' + quoted_name + ')' + self.nested()
commented_named_stage = Literal('/*') + 'stage' + '(' + quoted_name + ')' + self.nested() + Literal('*/')
return next((named_stage | commented_named_stage).scanString(content))
# Text content inside HTML
HTM_CONTENT_IND = Suppress("\\htmlrtf0 ")
HTM_CONTENT = HTM_CONTENT_IND + OneOrMore(Word(htmchars))
HTM_CONTENT.setName("Html content")
HTM_CONTENT.leaveWhitespace()
RTFLINK = Suppress("HYPERLINK \"") + Word(htmchars.replace('"','')) + Literal('"').suppress()
RTF = OneOrMore(
HTM_CTRL_CONTENT | \
HTM_TAG_PLUS_CONTENT | \
HTM_CONTENT | \
HTM_CTRL_NEWLINE | \
#HTM_CTRL_EMPTY | \
RTFLINK.suppress() | \
RTF_CTRL.suppress() | \
BRCKT.suppress()
)
def parse(rtfstring):
"return parse result as string"
try:
result = RTF.parseString(rtfstring)
except ParseException, e:
raise RTFParserException("could not parse '%s'... : %s" % (rtfstring[:30], e))
return "".join(result)
def extract_html_line(rtfline):
