485 lines
22 KiB
Python
485 lines
22 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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from __future__ import unicode_literals
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import os
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import sys
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import re
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import argparse
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from io import open
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# regular expression search object for matching Kconfig files
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RE_KCONFIG = re.compile(r'^Kconfig(?:\.projbuild)?$')
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# ouput file with suggestions will get this suffix
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OUTPUT_SUFFIX = '.new'
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# ignored directories (makes sense only when run on IDF_PATH)
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# Note: IGNORE_DIRS is a tuple in order to be able to use it directly with the startswith() built-in function which
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# accepts tuples but no lists.
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IGNORE_DIRS = (
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# Kconfigs from submodules need to be ignored:
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os.path.join('components', 'mqtt', 'esp-mqtt'),
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# Temporary (incompatibility) list:
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os.path.join('components', 'app_update'),
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os.path.join('components', 'aws_iot'),
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os.path.join('components', 'bootloader'),
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os.path.join('components', 'bt'),
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os.path.join('components', 'driver'),
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os.path.join('components', 'esp32'),
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os.path.join('components', 'esp_adc_cal'),
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os.path.join('components', 'esp_event'),
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os.path.join('components', 'esp_http_client'),
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os.path.join('components', 'esp_http_server'),
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os.path.join('components', 'esptool_py'),
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os.path.join('components', 'ethernet'),
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os.path.join('components', 'fatfs'),
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os.path.join('components', 'freemodbus'),
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os.path.join('components', 'freertos'),
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os.path.join('components', 'heap'),
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os.path.join('components', 'libsodium'),
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os.path.join('components', 'log'),
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os.path.join('components', 'lwip'),
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os.path.join('components', 'mbedtls'),
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os.path.join('components', 'mdns'),
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os.path.join('components', 'mqtt'),
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os.path.join('components', 'nvs_flash'),
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os.path.join('components', 'openssl'),
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os.path.join('components', 'partition_table'),
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os.path.join('components', 'pthread'),
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os.path.join('components', 'spi_flash'),
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os.path.join('components', 'spiffs'),
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os.path.join('components', 'tcpip_adapter'),
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os.path.join('components', 'unity'),
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os.path.join('components', 'vfs'),
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os.path.join('components', 'wear_levelling'),
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os.path.join('examples', 'bluetooth', 'a2dp_gatts_coex', 'main'),
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os.path.join('examples', 'bluetooth', 'a2dp_sink', 'main'),
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os.path.join('examples', 'bluetooth', 'ble_ibeacon', 'main'),
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os.path.join('examples', 'bluetooth', 'ble_throughput', 'throughput_client', 'main'),
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os.path.join('examples', 'bluetooth', 'ble_throughput', 'throughput_server', 'main'),
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os.path.join('examples', 'bluetooth', 'gatt_server', 'main'),
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os.path.join('examples', 'ethernet', 'ethernet', 'main'),
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os.path.join('examples', 'ethernet', 'iperf', 'main'),
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os.path.join('examples', 'get-started', 'blink', 'main'),
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os.path.join('examples', 'mesh', 'internal_communication', 'main'),
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os.path.join('examples', 'mesh', 'manual_networking', 'main'),
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os.path.join('examples', 'peripherals', 'adc2', 'main'),
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os.path.join('examples', 'peripherals', 'i2c', 'i2c_self_test', 'main'),
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os.path.join('examples', 'peripherals', 'i2c', 'i2c_tools', 'main'),
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os.path.join('examples', 'peripherals', 'sdio', 'host', 'main'),
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os.path.join('examples', 'peripherals', 'sdio', 'slave', 'main'),
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os.path.join('examples', 'peripherals', 'spi_master', 'main'),
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os.path.join('examples', 'peripherals', 'uart', 'nmea0183_parser', 'main'),
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os.path.join('examples', 'protocols', 'asio', 'chat_client', 'main'),
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os.path.join('examples', 'protocols', 'asio', 'chat_server', 'main'),
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os.path.join('examples', 'protocols', 'asio', 'tcp_echo_server', 'main'),
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os.path.join('examples', 'protocols', 'asio', 'udp_echo_server', 'main'),
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os.path.join('examples', 'protocols', 'aws_iot', 'subscribe_publish', 'main'),
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os.path.join('examples', 'protocols', 'aws_iot', 'thing_shadow', 'main'),
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os.path.join('examples', 'protocols', 'coap_client', 'main'),
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os.path.join('examples', 'protocols', 'coap_server', 'main'),
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os.path.join('examples', 'protocols', 'esp_http_client', 'main'),
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os.path.join('examples', 'protocols', 'http2_request', 'main'),
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os.path.join('examples', 'protocols', 'http_request', 'main'),
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os.path.join('examples', 'protocols', 'http_server', 'advanced_tests', 'main'),
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os.path.join('examples', 'protocols', 'http_server', 'persistent_sockets', 'main'),
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os.path.join('examples', 'protocols', 'http_server', 'simple', 'main'),
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os.path.join('examples', 'protocols', 'https_mbedtls', 'main'),
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os.path.join('examples', 'protocols', 'https_request', 'main'),
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os.path.join('examples', 'protocols', 'https_server', 'main'),
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os.path.join('examples', 'protocols', 'mdns', 'main'),
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os.path.join('examples', 'protocols', 'modbus_slave', 'main'),
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os.path.join('examples', 'protocols', 'mqtt', 'ssl', 'main'),
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os.path.join('examples', 'protocols', 'mqtt', 'ssl_mutual_auth', 'main'),
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os.path.join('examples', 'protocols', 'mqtt', 'tcp', 'main'),
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os.path.join('examples', 'protocols', 'mqtt', 'ws', 'main'),
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os.path.join('examples', 'protocols', 'mqtt', 'wss', 'main'),
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os.path.join('examples', 'protocols', 'openssl_client', 'main'),
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os.path.join('examples', 'protocols', 'openssl_server', 'main'),
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os.path.join('examples', 'protocols', 'pppos_client', 'main'),
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os.path.join('examples', 'protocols', 'sntp', 'main'),
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os.path.join('examples', 'protocols', 'sockets', 'tcp_client', 'main'),
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os.path.join('examples', 'protocols', 'sockets', 'tcp_server', 'main'),
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os.path.join('examples', 'protocols', 'sockets', 'udp_client', 'main'),
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os.path.join('examples', 'protocols', 'sockets', 'udp_multicast', 'main'),
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os.path.join('examples', 'protocols', 'sockets', 'udp_server', 'main'),
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os.path.join('examples', 'provisioning', 'ble_prov', 'main'),
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os.path.join('examples', 'provisioning', 'console_prov', 'main'),
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os.path.join('examples', 'provisioning', 'custom_config', 'main'),
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os.path.join('examples', 'provisioning', 'softap_prov', 'main'),
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os.path.join('examples', 'system', 'app_trace_to_host', 'main'),
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os.path.join('examples', 'system', 'base_mac_address', 'main'),
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os.path.join('examples', 'system', 'console', 'main'),
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os.path.join('examples', 'system', 'deep_sleep', 'main'),
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os.path.join('examples', 'system', 'gcov', 'main'),
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os.path.join('examples', 'system', 'ota', 'native_ota_example', 'main'),
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os.path.join('examples', 'system', 'ota', 'simple_ota_example', 'main'),
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os.path.join('examples', 'system', 'sysview_tracing', 'main'),
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os.path.join('examples', 'wifi', 'espnow', 'main'),
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os.path.join('examples', 'wifi', 'getting_started', 'softAP', 'main'),
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os.path.join('examples', 'wifi', 'getting_started', 'station', 'main'),
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os.path.join('examples', 'wifi', 'power_save', 'main'),
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os.path.join('examples', 'wifi', 'scan', 'main'),
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os.path.join('examples', 'wifi', 'simple_sniffer', 'main'),
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os.path.join('examples', 'wifi', 'wpa2_enterprise', 'main'),
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os.path.join('examples', 'wifi', 'wps', 'main'),
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os.path.join('tools', 'kconfig'),
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os.path.join('tools', 'kconfig_new', 'test'),
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os.path.join('tools', 'ldgen', 'test', 'data'),
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os.path.join('tools', 'unit-test-app', 'components', 'test_utils'),
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)
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SPACES_PER_INDENT = 4
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CONFIG_NAME_MAX_LENGTH = 50
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# TODO increase prefix length (after the names have been refactored)
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CONFIG_NAME_MIN_PREFIX_LENGTH = 0
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# list or rules for lines
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LINE_ERROR_RULES = [
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# (regular expression for finding, error message, correction)
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(re.compile(r'\t'), 'tabulators should be replaced by spaces', r' ' * SPACES_PER_INDENT),
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(re.compile(r'\s+\n'), 'trailing whitespaces should be removed', r'\n'),
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(re.compile(r'.{120}'), 'line should be shorter than 120 characters', None),
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]
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class InputError(RuntimeError):
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"""
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Represents and error on the input
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"""
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def __init__(self, path, line_number, error_msg, suggested_line):
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super(InputError, self).__init__('{}:{}: {}'.format(path, line_number, error_msg))
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self.suggested_line = suggested_line
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class BaseChecker(object):
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"""
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Base class for all checker objects
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"""
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def __init__(self, path_in_idf):
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self.path_in_idf = path_in_idf
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def __enter__(self):
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return self
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def __exit__(self, type, value, traceback):
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pass
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class LineRuleChecker(BaseChecker):
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"""
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checks LINE_ERROR_RULES for each line
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"""
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def process_line(self, line, line_number):
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errors = []
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for rule in LINE_ERROR_RULES:
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m = rule[0].search(line)
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if m:
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errors.append(rule[1])
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if rule[2]:
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line = rule[0].sub(rule[2], line)
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if len(errors) > 0:
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raise InputError(self.path_in_idf, line_number, "; ".join(errors), line)
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class IndentAndNameChecker(BaseChecker):
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"""
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checks the indentation of each line and configuration names
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"""
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def __init__(self, path_in_idf, debug=False):
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super(IndentAndNameChecker, self).__init__(path_in_idf)
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self.debug = debug
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self.min_prefix_length = CONFIG_NAME_MIN_PREFIX_LENGTH
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# stack of the nested menuconfig items, e.g. ['mainmenu', 'menu', 'config']
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self.level_stack = []
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# stack common prefixes of configs
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self.prefix_stack = []
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# menu items which increase the indentation of the next line
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self.re_increase_level = re.compile(r'''^\s*
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(
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(menu(?!config))
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|(mainmenu)
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|(choice)
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|(config)
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|(menuconfig)
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|(help)
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|(if)
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)
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''', re.X)
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# closing menu items which decrease the indentation
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self.re_decrease_level = re.compile(r'''^\s*
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(
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(endmenu)
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|(endchoice)
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|(endif)
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)
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''', re.X)
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# matching beginning of the closing menuitems
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self.pair_dic = {'endmenu': 'menu',
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'endchoice': 'choice',
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'endif': 'if',
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}
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# regex for config names
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self.re_name = re.compile(r'''^
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(
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(?:config)
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|(?:menuconfig)
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|(?:choice)
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)\s+
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(\w+)
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''', re.X)
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# regex for new prefix stack
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self.re_new_stack = re.compile(r'''^
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(
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(?:menu(?!config))
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|(?:mainmenu)
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|(?:choice)
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)
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''', re.X)
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def __exit__(self, type, value, traceback):
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super(IndentAndNameChecker, self).__exit__(type, value, traceback)
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if len(self.prefix_stack) > 0:
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self.check_common_prefix('', 'EOF')
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if len(self.prefix_stack) != 0:
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if self.debug:
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print(self.prefix_stack)
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raise RuntimeError("Prefix stack should be empty. Perhaps a menu/choice hasn't been closed")
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def del_from_level_stack(self, count):
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""" delete count items from the end of the level_stack """
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if count > 0:
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# del self.level_stack[-0:] would delete everything and we expect not to delete anything for count=0
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del self.level_stack[-count:]
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def update_level_for_inc_pattern(self, new_item):
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if self.debug:
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print('level+', new_item, ': ', self.level_stack, end=' -> ')
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# "config" and "menuconfig" don't have a closing pair. So if new_item is an item which need to be indented
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# outside the last "config" or "menuconfig" then we need to find to a parent where it belongs
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if new_item in ['config', 'menuconfig', 'menu', 'choice', 'if']:
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# item is not belonging to a previous "config" or "menuconfig" so need to indent to parent
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for i, item in enumerate(reversed(self.level_stack)):
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if item in ['menu', 'mainmenu', 'choice', 'if']:
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# delete items ("config", "menuconfig", "help") until the appropriate parent
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self.del_from_level_stack(i)
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break
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self.level_stack.append(new_item)
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if self.debug:
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print(self.level_stack)
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# The new indent is for the next line. Use the old one for the current line:
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return len(self.level_stack) - 1
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def update_level_for_dec_pattern(self, new_item):
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if self.debug:
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print('level-', new_item, ': ', self.level_stack, end=' -> ')
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target = self.pair_dic[new_item]
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for i, item in enumerate(reversed(self.level_stack)):
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# find the matching beginning for the closing item in reverse-order search
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# Note: "menuconfig", "config" and "help" don't have closing pairs and they are also on the stack. Now they
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# will be deleted together with the "menu" or "choice" we are closing.
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if item == target:
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i += 1 # delete also the matching beginning
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if self.debug:
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print('delete ', i, end=' -> ')
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self.del_from_level_stack(i)
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break
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if self.debug:
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print(self.level_stack)
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return len(self.level_stack)
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def check_name_and_update_prefix(self, line, line_number):
|
||
|
|
m = self.re_name.search(line)
|
||
|
|
if m:
|
||
|
|
name = m.group(2)
|
||
|
|
name_length = len(name)
|
||
|
|
|
||
|
|
if name_length > CONFIG_NAME_MAX_LENGTH:
|
||
|
|
raise InputError(self.path_in_idf, line_number,
|
||
|
|
'{} is {} characters long and it should be {} at most'
|
||
|
|
''.format(name, name_length, CONFIG_NAME_MAX_LENGTH),
|
||
|
|
line) # no suggested correction for this
|
||
|
|
if self.prefix_stack[-1] is None:
|
||
|
|
self.prefix_stack[-1] = name
|
||
|
|
else:
|
||
|
|
# this has nothing common with paths but the algorithm can be used for this also
|
||
|
|
self.prefix_stack[-1] = os.path.commonprefix([self.prefix_stack[-1], name])
|
||
|
|
if self.debug:
|
||
|
|
print('prefix+', self.prefix_stack)
|
||
|
|
m = self.re_new_stack.search(line)
|
||
|
|
if m:
|
||
|
|
self.prefix_stack.append(None)
|
||
|
|
if self.debug:
|
||
|
|
print('prefix+', self.prefix_stack)
|
||
|
|
|
||
|
|
def check_common_prefix(self, line, line_number):
|
||
|
|
common_prefix = self.prefix_stack.pop()
|
||
|
|
if self.debug:
|
||
|
|
print('prefix-', self.prefix_stack)
|
||
|
|
if common_prefix is None:
|
||
|
|
return
|
||
|
|
common_prefix_len = len(common_prefix)
|
||
|
|
if common_prefix_len < self.min_prefix_length:
|
||
|
|
raise InputError(self.path_in_idf, line_number,
|
||
|
|
'Common prefix "{}" length is {} and should be at least {} characters long'
|
||
|
|
''.format(common_prefix, common_prefix_len, self.min_prefix_length),
|
||
|
|
line) # no suggested correction for this
|
||
|
|
if len(self.prefix_stack) > 0:
|
||
|
|
parent_prefix = self.prefix_stack[-1]
|
||
|
|
if parent_prefix is None:
|
||
|
|
# propagate to parent level where it will influence the prefix checking with the rest which might
|
||
|
|
# follow later on that level
|
||
|
|
self.prefix_stack[-1] = common_prefix
|
||
|
|
else:
|
||
|
|
if len(self.level_stack) > 0 and self.level_stack[-1] in ['mainmenu', 'menu']:
|
||
|
|
# the prefix from menu is not required to propagate to the children
|
||
|
|
return
|
||
|
|
if not common_prefix.startswith(parent_prefix):
|
||
|
|
raise InputError(self.path_in_idf, line_number,
|
||
|
|
'Common prefix "{}" should start with {}'
|
||
|
|
''.format(common_prefix, parent_prefix),
|
||
|
|
line) # no suggested correction for this
|
||
|
|
|
||
|
|
def process_line(self, line, line_number):
|
||
|
|
stripped_line = line.strip()
|
||
|
|
if len(stripped_line) == 0:
|
||
|
|
return
|
||
|
|
current_level = len(self.level_stack)
|
||
|
|
m = re.search(r'\S', line) # indent found as the first non-space character
|
||
|
|
if m:
|
||
|
|
current_indent = m.start()
|
||
|
|
else:
|
||
|
|
current_indent = 0
|
||
|
|
|
||
|
|
if current_level > 0 and self.level_stack[-1] == 'help':
|
||
|
|
if current_indent >= current_level * SPACES_PER_INDENT:
|
||
|
|
# this line belongs to 'help'
|
||
|
|
return
|
||
|
|
|
||
|
|
self.check_name_and_update_prefix(stripped_line, line_number)
|
||
|
|
|
||
|
|
m = self.re_increase_level.search(line)
|
||
|
|
if m:
|
||
|
|
current_level = self.update_level_for_inc_pattern(m.group(1))
|
||
|
|
else:
|
||
|
|
m = self.re_decrease_level.search(line)
|
||
|
|
if m:
|
||
|
|
new_item = m.group(1)
|
||
|
|
current_level = self.update_level_for_dec_pattern(new_item)
|
||
|
|
if new_item not in ['endif']:
|
||
|
|
# endif doesn't require to check the prefix because the items in inside if/endif belong to the
|
||
|
|
# same prefix level
|
||
|
|
self.check_common_prefix(line, line_number)
|
||
|
|
|
||
|
|
expected_indent = current_level * SPACES_PER_INDENT
|
||
|
|
if current_indent != expected_indent:
|
||
|
|
raise InputError(self.path_in_idf, line_number,
|
||
|
|
'Indentation consists of {} spaces instead of {}'.format(current_indent, expected_indent),
|
||
|
|
(' ' * expected_indent) + line.lstrip())
|
||
|
|
|
||
|
|
|
||
|
|
def valid_directory(path):
|
||
|
|
if not os.path.isdir(path):
|
||
|
|
raise argparse.ArgumentTypeError("{} is not a valid directory!".format(path))
|
||
|
|
return path
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
|
default_path = os.getenv('IDF_PATH', None)
|
||
|
|
|
||
|
|
parser = argparse.ArgumentParser(description='Kconfig style checker')
|
||
|
|
parser.add_argument('--verbose', '-v', help='Print more information (useful for debugging)',
|
||
|
|
action='store_true', default=False)
|
||
|
|
parser.add_argument('--directory', '-d', help='Path to directory where Kconfigs should be recursively checked '
|
||
|
|
'(for example $IDF_PATH)',
|
||
|
|
type=valid_directory,
|
||
|
|
required=default_path is None,
|
||
|
|
default=default_path)
|
||
|
|
args = parser.parse_args()
|
||
|
|
|
||
|
|
success_couter = 0
|
||
|
|
ignore_counter = 0
|
||
|
|
failure = False
|
||
|
|
|
||
|
|
# IGNORE_DIRS makes sense when the required directory is IDF_PATH
|
||
|
|
check_ignore_dirs = default_path is not None and os.path.abspath(args.directory) == os.path.abspath(default_path)
|
||
|
|
|
||
|
|
for root, dirnames, filenames in os.walk(args.directory):
|
||
|
|
for filename in [f for f in filenames if RE_KCONFIG.search(f)]:
|
||
|
|
full_path = os.path.join(root, filename)
|
||
|
|
path_in_idf = os.path.relpath(full_path, args.directory)
|
||
|
|
if check_ignore_dirs and path_in_idf.startswith(IGNORE_DIRS):
|
||
|
|
print('{}: Ignored'.format(path_in_idf))
|
||
|
|
ignore_counter += 1
|
||
|
|
continue
|
||
|
|
suggestions_full_path = full_path + OUTPUT_SUFFIX
|
||
|
|
with open(full_path, 'r', encoding='utf-8') as f, \
|
||
|
|
open(suggestions_full_path, 'w', encoding='utf-8', newline='\n') as f_o, \
|
||
|
|
LineRuleChecker(path_in_idf) as line_checker, \
|
||
|
|
IndentAndNameChecker(path_in_idf, debug=args.verbose) as indent_and_name_checker:
|
||
|
|
try:
|
||
|
|
for line_number, line in enumerate(f, start=1):
|
||
|
|
try:
|
||
|
|
for checker in [line_checker, indent_and_name_checker]:
|
||
|
|
checker.process_line(line, line_number)
|
||
|
|
# The line is correct therefore we echo it to the output file
|
||
|
|
f_o.write(line)
|
||
|
|
except InputError as e:
|
||
|
|
print(e)
|
||
|
|
failure = True
|
||
|
|
f_o.write(e.suggested_line)
|
||
|
|
except UnicodeDecodeError:
|
||
|
|
raise ValueError("The encoding of {} is not Unicode.".format(path_in_idf))
|
||
|
|
|
||
|
|
if failure:
|
||
|
|
print('{} has been saved with suggestions for resolving the issues. Please note that the suggestions '
|
||
|
|
'can be wrong and you might need to re-run the checker several times for solving all issues.'
|
||
|
|
''.format(path_in_idf + OUTPUT_SUFFIX))
|
||
|
|
print('Please fix the errors and run {} for checking the correctness of '
|
||
|
|
'Kconfigs.'.format(os.path.relpath(os.path.abspath(__file__), args.directory)))
|
||
|
|
sys.exit(1)
|
||
|
|
else:
|
||
|
|
success_couter += 1
|
||
|
|
print('{}: OK'.format(path_in_idf))
|
||
|
|
try:
|
||
|
|
os.remove(suggestions_full_path)
|
||
|
|
except Exception:
|
||
|
|
# not a serious error is when the file cannot be deleted
|
||
|
|
print('{} cannot be deleted!'.format(suggestions_full_path))
|
||
|
|
|
||
|
|
if ignore_counter > 0:
|
||
|
|
print('{} files have been ignored.'.format(ignore_counter))
|
||
|
|
|
||
|
|
if success_couter > 0:
|
||
|
|
print('{} files have been successfully checked.'.format(success_couter))
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
main()
|