def extract_packages_and_versions_including_duplicates()

in src/core/src/package_managers/YumPackageManager.py [0:0]

• 29 lines of code
• 17 McCabe index (conditional complexity)

    def extract_packages_and_versions_including_duplicates(self, output):
        """Returns packages and versions from given output"""
        self.composite_logger.log_verbose("[YPM] Extracting package and version data...")
        packages = []
        versions = []
        package_extensions = Constants.SUPPORTED_PACKAGE_ARCH

        def is_package(chunk):
            # Using a list comprehension to determine if chunk is a package
            return len([p for p in package_extensions if p in chunk]) == 1

        lines = output.strip().split('\n')

        for line_index in range(0, len(lines)):
            # Do not install Obsoleting Packages. The obsoleting packages list comes towards end in the output.
            if lines[line_index].strip().startswith("Obsoleting Packages"):
                break

            line = re.split(r'\s+', lines[line_index].strip())
            next_line = []

            if line_index < len(lines) - 1:
                next_line = re.split(r'\s+', lines[line_index + 1].strip())

            # If we run into a length of 3, we'll accept it and continue
            if len(line) == 3 and is_package(line[0]):
                packages.append(self.get_product_name(line[0]))
                versions.append(line[1])
            # We will handle these two edge cases where the output is on
            # two different lines and treat them as one line
            elif len(line) == 1 and len(next_line) == 2 and is_package(line[0]):
                packages.append(self.get_product_name(line[0]))
                versions.append(next_line[0])
                line_index += 1
            elif len(line) == 2 and len(next_line) == 1 and is_package(line[0]):
                packages.append(self.get_product_name(line[0]))
                versions.append(line[1])
                line_index += 1
            else:
                self.composite_logger.log_verbose("[YPM] > Inapplicable line (" + str(line_index) + "): " + lines[line_index])

        return packages, versions