def _extract_commands_from_example()

in azdev/operations/linter/rules/help_rules.py [0:0]

• 32 lines of code
• 10 McCabe index (conditional complexity)

def _extract_commands_from_example(example_text):

    # fold commands spanning multiple lines into one line. Split commands that use pipes
    # handle single and double quotes properly
    lines = example_text.splitlines()
    example_text = ""
    quote = None
    for line in lines:
        for ch in line:
            if quote is None:
                if ch in ('"', "'"):
                    quote = ch
            elif ch == quote:
                quote = None
        if quote is None and line.endswith("\\"):
            # attach this line with removed '\' and no '\n' (space at the end to keep consistent with initial algorithm)
            example_text += line[0:-1] + " "
        elif quote is not None:
            # attach this line without '\n'
            example_text += line
        else:
            # attach this line with '\n' as no quote and no continuation
            example_text += line + "\n"
    # this is also for consistency with original algorithm
    example_text = example_text.replace("\\ ", " ")

    commands = example_text.splitlines()
    processed_commands = []
    for command in commands:  # filter out commands
        command.strip()
        if command.startswith("az"):  # if this is a single az command add it.
            processed_commands.append(command)

        for re_prog in [_CMD_SUB_1, _CMD_SUB_2]:
            start = 0
            match = re_prog.search(command, start)
            while match:  # while there is a nested az command of type 1 $( az ...)
                processed_commands.append(match.group(1).strip())  # add it
                start = match.end(1)  # get index of rest of string
                match = re_prog.search(command, start)  # attempt to get next match

    return processed_commands