Add type hint (#184)

Signed-off-by: hkkim <khk990619@gmail.com>

src/fosslight_source/_help.py

@@ -30,10 +30,10 @@
             --correct_fpath <path> Path to the sbom-info.yaml file"""
 
 
-def print_version(pkg_name):
+def print_version(pkg_name: str) -> None:
     print_package_version(pkg_name, "FOSSLight Source Scanner Version:")
 
 
-def print_help_msg_source_scanner():
+def print_help_msg_source_scanner() -> None:
     helpMsg = PrintHelpMsg(_HELP_MESSAGE_SOURCE_SCANNER)
     helpMsg.print_help_msg(True)

src/fosslight_source/_license_matched.py

@@ -20,41 +20,41 @@ class MatchedLicense:
     matched_text = ""
     priority = 0
 
-    def __init__(self, lic, category, text, file):
+    def __init__(self, lic: str, category: str, text: str, file: str) -> None:
         self.files = [file]
         self.license = lic
         self.matched_text = text
         self.set_category(category)
 
-    def __del__(self):
+    def __del__(self) -> None:
         pass
 
-    def set_license(self, value):
+    def set_license(self, value: str) -> None:
         self.license = value
 
-    def set_files(self, value):
+    def set_files(self, value: str) -> None:
         if value not in self.files:
             self.files.append(value)
 
-    def set_category(self, value):
+    def set_category(self, value: str) -> None:
         self.category = value
         if value in LOW_PRIORITY:
             self.priority = 1
         else:
             self.priority = 0
 
-    def set_matched_text(self, value):
+    def set_matched_text(self, value: str) -> None:
         self.matched_text = value
 
-    def get_row_to_print(self, result_for_32_earlier=True):
+    def get_row_to_print(self, result_for_32_earlier: bool = True) -> list:
         if result_for_32_earlier:
             print_rows = [self.category, self.license, self.matched_text, str(len(self.files)), ','.join(self.files)]
         else:
             print_rows = [self.license, self.matched_text, str(len(self.files)), ','.join(self.files)]
         return print_rows
 
 
-def get_license_list_to_print(license_list):
+def get_license_list_to_print(license_list: dict) -> list:
     result_for_32_earlier = any([value.category for key, value in license_list.items()])
     license_items = license_list.values()
     license_items = sorted(license_items, key=lambda row: (row.priority, row.category, row.license))

src/fosslight_source/_parsing_scancode_file_item.py

@@ -13,6 +13,7 @@
 from ._scan_item import is_exclude_file
 from ._scan_item import replace_word
 from ._scan_item import is_notice_file
+from typing import Tuple
 
 logger = logging.getLogger(constant.LOGGER_NAME)
 _exclude_directory = ["test", "tests", "doc", "docs"]
@@ -30,7 +31,7 @@
 KEY_OR = r"(?<=\s)or(?=\s)"
 
 
-def get_error_from_header(header_item):
+def get_error_from_header(header_item: list) -> Tuple[bool, str]:
     has_error = False
     str_error = ""
     key_error = "errors"
@@ -49,7 +50,7 @@ def get_error_from_header(header_item):
     return has_error, str_error
 
 
-def parsing_scancode_32_earlier(scancode_file_list, has_error=False):
+def parsing_scancode_32_earlier(scancode_file_list: list, has_error: bool = False) -> Tuple[bool, list, list, dict]:
     rc = True
     msg = []
     scancode_file_item = []
@@ -178,15 +179,17 @@ def parsing_scancode_32_earlier(scancode_file_list, has_error=False):
     return rc, scancode_file_item, msg, license_list
 
 
-def split_spdx_expression(spdx_string):
+def split_spdx_expression(spdx_string: str) -> list:
     license = []
     for replace in SPDX_REPLACE_WORDS:
         spdx_string = spdx_string.replace(replace, "")
     license = re.split(KEY_AND + "|" + KEY_OR, spdx_string)
     return license
 
 
-def parsing_scancode_32_later(scancode_file_list, has_error=False):
+def parsing_scancode_32_later(
+    scancode_file_list: list, has_error: bool = False
+) -> Tuple[bool, list, list, dict]:
     rc = True
     msg = []
     scancode_file_item = []
@@ -274,7 +277,9 @@ def parsing_scancode_32_later(scancode_file_list, has_error=False):
     return rc, scancode_file_item, msg, license_list
 
 
-def parsing_file_item(scancode_file_list, has_error, need_matched_license=False):
+def parsing_file_item(
+    scancode_file_list: list, has_error: bool, need_matched_license: bool = False
+) -> Tuple[bool, list, list, dict]:
 
     rc = True
     msg = []

src/fosslight_source/_parsing_scanoss_file.py

@@ -9,14 +9,15 @@
 from ._scan_item import SourceItem
 from ._scan_item import is_exclude_file
 from ._scan_item import replace_word
+from typing import Tuple
 
 logger = logging.getLogger(constant.LOGGER_NAME)
 SCANOSS_INFO_HEADER = ['No', 'Source Path', 'Component Declared', 'SPDX Tag',
                        'File Header', 'License File', 'Scancode',
                        'Matched Rate (line number)', 'scanoss_fileURL']
 
 
-def parsing_extraInfo(scanned_result):
+def parsing_extraInfo(scanned_result: dict) -> list:
     scanoss_extra_info = []
     for scan_item in scanned_result:
         license_w_source = scan_item.scanoss_reference
@@ -35,7 +36,7 @@ def parsing_extraInfo(scanned_result):
     return scanoss_extra_info
 
 
-def parsing_scanResult(scanoss_report, path_to_scan="", path_to_exclude=[]):
+def parsing_scanResult(scanoss_report: dict, path_to_scan: str = "", path_to_exclude: list = []) -> Tuple[bool, list]:
     scanoss_file_item = []
     abs_path_to_exclude = [os.path.abspath(os.path.join(path_to_scan, path)) for path in path_to_exclude]
 

src/fosslight_source/_scan_item.py

@@ -28,7 +28,7 @@
 
 class SourceItem(FileItem):
 
-    def __init__(self, value):
+    def __init__(self, value: str) -> None:
         super().__init__("")
         self.source_name_or_path = value
         self.is_license_text = False
@@ -42,18 +42,18 @@ def __init__(self, value):
         self.oss_name = ""
         self.oss_version = ""
 
-    def __del__(self):
+    def __del__(self) -> None:
         pass
 
-    def __hash__(self):
+    def __hash__(self) -> int:
         return hash(self.file)
 
     @property
-    def licenses(self):
+    def licenses(self) -> list:
         return self._licenses
 
     @licenses.setter
-    def licenses(self, value):
+    def licenses(self, value: list) -> None:
         if value:
             max_length_exceed = False
             for new_lic in value:
@@ -70,7 +70,7 @@ def licenses(self, value):
             if max_length_exceed and (SUBSTRING_LICENSE_COMMENT not in self.comment):
                 self.comment = f"{self.comment}/ {SUBSTRING_LICENSE_COMMENT}" if self.comment else SUBSTRING_LICENSE_COMMENT
 
-    def set_oss_item(self):
+    def set_oss_item(self) -> None:
         self.oss_items = []
         if self.download_location:
             for url in self.download_location:
@@ -84,7 +84,7 @@ def set_oss_item(self):
             item.comment = self.comment
             self.oss_items.append(item)
 
-    def get_print_array(self):
+    def get_print_array(self) -> list:
         print_rows = []
         for item in self.oss_items:
             print_rows.append([self.source_name_or_path, item.name, item.version, ",".join(item.license),
@@ -93,14 +93,14 @@ def get_print_array(self):
                                self.license_reference])
         return print_rows
 
-    def __eq__(self, other):
+    def __eq__(self, other: object) -> bool:
         if type(other) == str:
             return self.source_name_or_path == other
         else:
             return self.source_name_or_path == other.source_name_or_path
 
 
-def is_exclude_dir(dir_path):
+def is_exclude_dir(dir_path: str) -> bool:
     if dir_path != "":
         dir_path = dir_path.lower()
         dir_path = dir_path if dir_path.endswith(
@@ -111,7 +111,7 @@ def is_exclude_dir(dir_path):
     return False
 
 
-def is_exclude_file(file_path, prev_dir=None, prev_dir_exclude_value=None):
+def is_exclude_file(file_path: str, prev_dir: str = None, prev_dir_exclude_value: bool = None) -> bool:
     file_path = file_path.lower()
     filename = os.path.basename(file_path)
     if os.path.splitext(filename)[1] in _exclude_extension:
@@ -133,7 +133,7 @@ def is_exclude_file(file_path, prev_dir=None, prev_dir_exclude_value=None):
     return False
 
 
-def is_notice_file(file_path):
+def is_notice_file(file_path: str) -> bool:
     pattern = r"({})(?<!w)".format("|".join(_notice_filename))
     file_path = file_path.lower()
     filename = os.path.basename(file_path)

src/fosslight_source/cli.py

@@ -23,6 +23,7 @@
 from .run_spdx_extractor import get_spdx_downloads
 from ._scan_item import SourceItem
 from fosslight_util.oss_item import ScannerItem
+from typing import Tuple
 
 SRC_SHEET_NAME = 'SRC_FL_Source'
 SCANOSS_HEADER = {SRC_SHEET_NAME: ['ID', 'Source Path', 'OSS Name',
@@ -39,7 +40,7 @@
 RESULT_KEY = "Scan Result"
 
 
-def main():
+def main() -> None:
     global logger
     _result_log = {}
 
@@ -121,7 +122,7 @@ def main():
         sys.exit(1)
 
 
-def count_files(path_to_scan, path_to_exclude):
+def count_files(path_to_scan: str, path_to_exclude: list) -> Tuple[int, int]:
     total_files = 0
     excluded_files = 0
     abs_path_to_exclude = [os.path.abspath(os.path.join(path_to_scan, path)) for path in path_to_exclude]
@@ -138,9 +139,14 @@ def count_files(path_to_scan, path_to_exclude):
     return total_files, excluded_files
 
 
-def create_report_file(_start_time, merged_result, license_list, scanoss_result, selected_scanner, need_license=False,
-                       output_path="", output_files=[], output_extensions=[], correct_mode=True, correct_filepath="",
-                       path_to_scan="", path_to_exclude=[]):
+def create_report_file(
+    _start_time: str, merged_result: list,
+    license_list: list, scanoss_result: list,
+    selected_scanner: str, need_license: bool = False,
+    output_path: str = "", output_files: list = [],
+    output_extensions: list = [], correct_mode: bool = True,
+    correct_filepath: str = "", path_to_scan: str = "", path_to_exclude: list = []
+) -> 'ScannerItem':
     """
     Create report files for given scanned result.
 
@@ -227,7 +233,7 @@ def create_report_file(_start_time, merged_result, license_list, scanoss_result,
     return scan_item
 
 
-def merge_results(scancode_result=[], scanoss_result=[], spdx_downloads={}):
+def merge_results(scancode_result: list = [], scanoss_result: list = [], spdx_downloads: dict = {}) -> list:
     """
     Merge scanner results and spdx parsing result.
     :param scancode_result: list of scancode results in SourceItem.
@@ -257,9 +263,14 @@ def merge_results(scancode_result=[], scanoss_result=[], spdx_downloads={}):
     return scancode_result
 
 
-def run_scanners(path_to_scan, output_file_name="", write_json_file=False, num_cores=-1, called_by_cli=True,
-                 print_matched_text=False, formats=[], time_out=120, correct_mode=True, correct_filepath="",
-                 selected_scanner='all', path_to_exclude=[]):
+def run_scanners(
+    path_to_scan: str, output_file_name: str = "",
+    write_json_file: bool = False, num_cores: int = -1,
+    called_by_cli: bool = True, print_matched_text: bool = False,
+    formats: list = [], time_out: int = 120,
+    correct_mode: bool = True, correct_filepath: str = "",
+    selected_scanner: str = 'all', path_to_exclude: list = []
+) -> Tuple[bool, str, 'ScannerItem', list, list]:
     """
     Run Scancode and scanoss.py for the given path.
 

src/fosslight_source/run_scancode.py

@@ -16,15 +16,21 @@
 from ._parsing_scancode_file_item import get_error_from_header
 from fosslight_util.output_format import check_output_formats
 from fosslight_binary.binary_analysis import check_binary
+from typing import Tuple
 
 logger = logging.getLogger(constant.LOGGER_NAME)
 warnings.filterwarnings("ignore", category=FutureWarning)
 _PKG_NAME = "fosslight_source"
 
 
-def run_scan(path_to_scan, output_file_name="",
-             _write_json_file=False, num_cores=-1, return_results=False, need_license=False, formats=[],
-             called_by_cli=False, time_out=120, correct_mode=True, correct_filepath="", path_to_exclude=[]):
+def run_scan(
+    path_to_scan: str, output_file_name: str = "",
+    _write_json_file: bool = False, num_cores: int = -1,
+    return_results: bool = False, need_license: bool = False,
+    formats: list = [], called_by_cli: bool = False,
+    time_out: int = 120, correct_mode: bool = True,
+    correct_filepath: str = "", path_to_exclude: list = []
+) -> Tuple[bool, str, list, list]:
     if not called_by_cli:
         global logger
 

src/fosslight_source/run_scanoss.py

@@ -25,12 +25,12 @@
 SCANOSS_OUTPUT_FILE = "scanoss_raw_result.json"
 
 
-def get_scanoss_extra_info(scanned_result):
+def get_scanoss_extra_info(scanned_result: dict) -> list:
     return parsing_extraInfo(scanned_result)
 
 
-def run_scanoss_py(path_to_scan, output_file_name="", format="", called_by_cli=False,
-                   write_json_file=False, num_threads=-1, path_to_exclude=[]):
+def run_scanoss_py(path_to_scan: str, output_file_name: str = "", format: str = "", called_by_cli: bool = False,
+                   write_json_file: bool = False, num_threads: int = -1, path_to_exclude: list = []) -> list:
     """
     Run scanoss.py for the given path.
 

src/fosslight_source/run_spdx_extractor.py

@@ -12,7 +12,7 @@
 logger = logging.getLogger(constant.LOGGER_NAME)
 
 
-def get_file_list(path_to_scan, path_to_exclude=[]):
+def get_file_list(path_to_scan: str, path_to_exclude: list = []) -> list:
     file_list = []
     abs_path_to_exclude = [os.path.abspath(os.path.join(path_to_scan, path)) for path in path_to_exclude]
     for root, dirs, files in os.walk(path_to_scan):
@@ -26,7 +26,7 @@ def get_file_list(path_to_scan, path_to_exclude=[]):
     return file_list
 
 
-def get_spdx_downloads(path_to_scan, path_to_exclude=[]):
+def get_spdx_downloads(path_to_scan: str, path_to_exclude: list = []) -> dict:
     download_dict = {}
     find_word = re.compile(rb"SPDX-PackageDownloadLocation\s*:\s*(\S+)", re.IGNORECASE)
 

tox.ini

@@ -50,5 +50,4 @@ commands =
 
 [testenv:flake8]
 deps = flake8
-commands = flake8
-
+commands = flake8