def __init__ (self):
self.settings = Settings()
self.project = Project()
self.story = None
def parse_project_line (self, line):
self.project = Project(line[2:].strip())
class TaskCardParser (object):
def __init__ (self):
self.settings = Settings()
self.project = Project()
self.story = None
def parse (self, *lines):
for line in lines:
self.parse_line(line)
def parse_line (self, line):
line = line.strip()
if line.startswith("P:"):
self.parse_project_line(line)
elif line.startswith("S:"):
self.parse_story_line(line)
elif line.startswith("#"):
self.parse_settings_line(line)
elif line:
self.parse_task_line(line)
def parse_project_line (self, line):
self.project = Project(line[2:].strip())
def parse_story_line (self, line):
if len(line[2:]) == 0:
raise ParsingError("Missing story identifier")
try:
if "|" in line[2:]:
identifier, title = line[2:].split("|")
identifier = identifier.strip()
title = self.split_multiline_artifact(title)
else:
identifier = title = line[2:].strip()
self.story = Story(identifier.strip(), title)
self.project.add_story(self.story)
except ValueError:
raise ParsingError("Syntax error in story line: '%s'" % line)
def parse_task_line (self, line):
if not self.story:
raise ParsingError("No story has been defined")
elements = line.split("|")
task = self.split_multiline_artifact(elements[0])
tags = []
if len(elements) == 2:
tags = map(lambda x: x.strip(), elements[1].split(','))
blocker = "BLOCKER" in tags
self.story.add_task(Task(task, tags, blocker))
def parse_settings_line (self, line):
parts = line[1:].strip().split(' ')
key = parts[0]
value = ' '.join(parts[1:])
if key.lower() == "width":
try:
self.settings.card_width = int(value)
except ValueError:
raise ParsingError("Invalid card width '%s'" % value)
elif key.lower() == "font_size":
try:
self.settings.font_size = int(value)
except ValueError:
raise ParsingError("Invalid font size '%s'" % value)
elif key.lower() == "checkboxes":
self.settings.render_check_box = self.parse_yes_no_option(value)
elif key.lower() == "storycards":
self.settings.render_storycards = self.parse_yes_no_option(value)
elif key.lower() == "colors":
self.settings.colors = self.parse_colors(value)
else:
raise ParsingError("Unknown setting '%s'" % key)
def parse_colors (self, value):
if value not in [Settings.COLORS_BACKGROUND, Settings.COLORS_FOREGROUND]:
raise ParsingError("Invalid color: '%s'" % value)
return value
def parse_yes_no_option (self, option):
if option.lower() == "yes":
return True
elif option.lower() == "no":
return False
else:
raise ParsingError("Invalid yes/no option '%s'" % option)
def split_multiline_artifact (self, artifact):
return [line.strip() for line in artifact.split("\\")]