kopia lustrzana https://github.com/espressif/esp-idf
464 wiersze
19 KiB
Python
464 wiersze
19 KiB
Python
#!/usr/bin/env python
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#
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# SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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#
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import argparse
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import csv
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import distutils.dir_util
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import os
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import sys
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from itertools import zip_longest
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try:
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idf_path = os.environ['IDF_PATH']
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sys.path.insert(0, idf_path + '/components/nvs_flash/nvs_partition_generator/')
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import nvs_partition_gen
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except Exception as e:
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print(e)
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sys.exit('Please check IDF_PATH')
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def create_temp_files(args):
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new_filenames = []
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for filename in [args.conf, args.values]:
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name, ext = os.path.splitext(filename)
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new_filename = name + '_tmp' + ext
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strip_blank_lines(filename, new_filename)
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new_filenames.append(new_filename)
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return new_filenames
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def strip_blank_lines(input_filename, output_filename):
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with open(input_filename, 'r') as read_from, open(output_filename,'w', newline='') as write_to:
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for line in read_from:
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if not line.isspace():
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write_to.write(line)
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def verify_values_exist(input_values_file, keys_in_values_file):
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""" Verify all keys have corresponding values in values file
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"""
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with open(input_values_file, 'r') as values_file:
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values_file_reader = csv.reader(values_file, delimiter=',')
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next(values_file_reader)
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for line_num, line in enumerate(values_file_reader, start=2):
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key_count_in_values_file = len(keys_in_values_file)
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if len(line) != key_count_in_values_file:
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raise SystemExit('\nError: Number of values is not equal to number of keys in file: %s at line No:%s\n'
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% (str(input_values_file), str(line_num)))
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def verify_keys_exist(values_file_keys, input_config_file):
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""" Verify all keys from config file are present in values file
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"""
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keys_missing = []
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with open(input_config_file,'r') as config_file:
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config_file_reader = csv.reader(config_file, delimiter=',')
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for line_num, line in enumerate(config_file_reader, start=1):
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if 'namespace' not in line:
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if values_file_keys:
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if line[0] == values_file_keys[0]:
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del values_file_keys[0]
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else:
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keys_missing.append([line_num, line[0]])
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else:
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keys_missing.append([line_num, line[0]])
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if keys_missing:
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for line_num, key in keys_missing:
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print('Key:`', str(key), '` at line no:', str(line_num),
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' in config file is not found in values file.')
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raise SystemExit(1)
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def verify_datatype_encoding(input_config_file):
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""" Verify datatype and encodings from config file is valid
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"""
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valid_encodings = {'string', 'binary', 'hex2bin','u8', 'i8', 'u16', 'u32', 'i32','base64'}
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valid_datatypes = {'file','data','namespace'}
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with open(input_config_file,'r') as config_file:
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config_file_reader = csv.reader(config_file, delimiter=',')
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for line_num, line in enumerate(config_file_reader, start=1):
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if line[1] not in valid_datatypes:
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raise SystemExit('Error: config file: %s has invalid datatype at line no:%s\n`'
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% (str(input_config_file), str(line_num)))
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if 'namespace' not in line and line[2] not in valid_encodings:
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raise SystemExit('Error: config file: %s has invalid encoding at line no:%s\n`'
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% (str(input_config_file), str(line_num)))
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def verify_file_data_count(input_config_file, keys_repeat):
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""" Verify count of data on each line in config file is equal to 3
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(as format must be: <key,type and encoding>)
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"""
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with open(input_config_file, 'r') as config_file:
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config_file_reader = csv.reader(config_file, delimiter=',')
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for line_num, line in enumerate(config_file_reader, start=1):
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if len(line) != 3 and line[0] not in keys_repeat:
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raise SystemExit('Error: data missing in config file at line no:%s <format needed:key,type,encoding>\n'
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% str(line_num))
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def verify_data_in_file(input_config_file, input_values_file, config_file_keys, keys_in_values_file, keys_repeat):
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""" Verify count of data on each line in config file is equal to 3 \
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(as format must be: <key,type and encoding>)
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Verify datatype and encodings from config file is valid
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Verify all keys from config file are present in values file and \
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Verify each key has corresponding value in values file
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"""
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try:
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verify_file_data_count(input_config_file, keys_repeat)
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verify_datatype_encoding(input_config_file)
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# Get keys from values file present in config files
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values_file_keys = get_keys(keys_in_values_file, config_file_keys)
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verify_keys_exist(values_file_keys, input_config_file)
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verify_values_exist(input_values_file, keys_in_values_file)
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except Exception as err:
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print(err)
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exit(1)
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def get_keys(keys_in_values_file, config_file_keys):
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""" Get keys from values file present in config file
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"""
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values_file_keys = [key for key in keys_in_values_file if key in config_file_keys]
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return values_file_keys
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def add_config_data_per_namespace(input_config_file):
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""" Add config data per namespace to `config_data_to_write` list
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"""
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config_data_to_write = []
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config_data_per_namespace = []
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with open(input_config_file,'r') as csv_config_file:
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config_file_reader = csv.reader(csv_config_file, delimiter=',')
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# `config_data_per_namespace` is added to `config_data_to_write` list after reading next namespace
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for config_data in config_file_reader:
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if 'REPEAT' in config_data:
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config_data.remove('REPEAT')
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if 'namespace' in config_data:
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if config_data_per_namespace:
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config_data_to_write.append(config_data_per_namespace)
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config_data_per_namespace = []
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config_data_per_namespace.append(config_data)
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else:
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config_data_per_namespace.append(config_data)
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else:
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config_data_per_namespace.append(config_data)
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# `config_data_per_namespace` is added to `config_data_to_write` list as EOF is reached
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if (not config_data_to_write) or (config_data_to_write and config_data_per_namespace):
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config_data_to_write.append(config_data_per_namespace)
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return config_data_to_write
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def get_fileid_val(file_identifier, key_value_data, fileid_value):
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""" Get file identifier value
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"""
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file_id_found = False
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for key in key_value_data:
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if file_identifier and not file_id_found and file_identifier in key:
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fileid_value = key[1]
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file_id_found = True
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if not file_id_found:
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fileid_value = str(int(fileid_value) + 1)
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return fileid_value
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def add_data_to_file(config_data_to_write, key_value_pair, output_csv_file):
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""" Add data to csv target file
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"""
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header = ['key', 'type', 'encoding', 'value']
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data_to_write = []
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with open(output_csv_file, 'w', newline='') as target_csv_file:
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output_file_writer = csv.writer(target_csv_file, delimiter=',')
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output_file_writer.writerow(header)
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for namespace_config_data in config_data_to_write:
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for data in namespace_config_data:
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data_to_write = data[:]
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if 'namespace' in data:
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data_to_write.append('')
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output_file_writer.writerow(data_to_write)
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else:
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key = data[0]
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while key not in key_value_pair[0]:
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del key_value_pair[0]
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if key in key_value_pair[0]:
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value = key_value_pair[0][1]
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data_to_write.append(value)
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del key_value_pair[0]
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output_file_writer.writerow(data_to_write)
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def create_dir(filetype, output_dir_path):
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""" Create new directory(if doesn't exist) to store file generated
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"""
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output_target_dir = os.path.join(output_dir_path,filetype,'')
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if not os.path.isdir(output_target_dir):
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distutils.dir_util.mkpath(output_target_dir)
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return output_target_dir
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def set_repeat_value(total_keys_repeat, keys, csv_file, target_filename):
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with open(csv_file, 'r') as read_from, open(target_filename,'w', newline='') as write_to:
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csv_file_reader = csv.reader(read_from, delimiter=',')
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headers = next(csv_file_reader)
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values = next(csv_file_reader)
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csv_file_writer = csv.writer(write_to, delimiter=',')
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csv_file_writer.writerow(headers)
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csv_file_writer.writerow(values)
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# read new data, add value if key has repeat tag, write to new file
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for row in csv_file_reader:
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key_val_new = list(zip_longest(keys, row))
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key_val_pair = list(zip_longest(keys, values))
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key_repeated = total_keys_repeat[:]
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index = 0
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while key_val_new and key_repeated:
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# if key has repeat tag, get its corresponding value, write to file
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if key_val_new[0][0] == key_repeated[0]:
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row[index] = key_val_pair[0][1]
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del key_repeated[0]
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del key_val_new[0]
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del key_val_pair[0]
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index += 1
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csv_file_writer.writerow(row)
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return target_filename
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def create_intermediate_csv(args, keys_in_values_file, keys_repeat, is_encr=False):
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file_identifier_value = '0'
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# Add config data per namespace to `config_data_to_write` list
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config_data_to_write = add_config_data_per_namespace(args.conf)
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try:
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with open(args.values, 'r') as csv_values_file:
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values_file_reader = csv.reader(csv_values_file, delimiter=',')
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keys = next(values_file_reader)
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filename, file_ext = os.path.splitext(args.values)
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target_filename = filename + '_created' + file_ext
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if keys_repeat:
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target_values_file = set_repeat_value(keys_repeat, keys, args.values, target_filename)
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else:
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target_values_file = args.values
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with open(target_values_file, 'r') as csv_values_file:
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values_file_reader = csv.reader(csv_values_file, delimiter=',')
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next(values_file_reader)
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# Create new directory(if doesn't exist) to store csv file generated
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output_csv_target_dir = create_dir('csv', args.outdir)
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# Create new directory(if doesn't exist) to store bin file generated
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output_bin_target_dir = create_dir('bin', args.outdir)
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for values_data_line in values_file_reader:
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key_value_data = list(zip_longest(keys_in_values_file, values_data_line))
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# Get file identifier value from values file
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file_identifier_value = get_fileid_val(args.fileid, key_value_data, file_identifier_value)
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key_value_pair = key_value_data[:]
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# Verify if output csv file does not exist
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csv_filename = args.prefix + '-' + file_identifier_value + '.' + 'csv'
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output_csv_file = output_csv_target_dir + csv_filename
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if os.path.isfile(output_csv_file):
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raise SystemExit('Target csv file: %s already exists.`' % output_csv_file)
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# Add values corresponding to each key to csv intermediate file
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add_data_to_file(config_data_to_write, key_value_pair, output_csv_file)
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print('\nCreated CSV file: ===>', output_csv_file)
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# Verify if output bin file does not exist
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bin_filename = args.prefix + '-' + file_identifier_value + '.' + 'bin'
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output_bin_file = output_bin_target_dir + bin_filename
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if os.path.isfile(output_bin_file):
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raise SystemExit('Target binary file: %s already exists.`' % output_bin_file)
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args.input = output_csv_file
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args.output = os.path.join('bin', bin_filename)
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if args.keygen:
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args.keyfile = 'keys-' + args.prefix + '-' + file_identifier_value
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if is_encr:
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nvs_partition_gen.encrypt(args)
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else:
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nvs_partition_gen.generate(args)
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print('\nFiles generated in %s ...' % args.outdir)
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except Exception as e:
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print(e)
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exit(1)
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def verify_file_format(args):
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keys_in_config_file = []
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keys_in_values_file = []
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keys_repeat = []
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# Verify files have csv extension
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conf_name, conf_extension = os.path.splitext(args.conf)
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if conf_extension != '.csv':
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raise SystemExit('Error: config file: %s does not have the .csv extension.' % args.conf)
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values_name, values_extension = os.path.splitext(args.values)
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if values_extension != '.csv':
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raise SystemExit('Error: values file: %s does not have the .csv extension.' % args.values)
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# Verify files are not empty
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if os.stat(args.conf).st_size == 0:
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raise SystemExit('Error: config file: %s is empty.' % args.conf)
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if os.stat(args.values).st_size == 0:
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raise SystemExit('Error: values file: %s is empty.' % args.values)
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# Extract keys from config file
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with open(args.conf, 'r') as config_file:
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config_file_reader = csv.reader(config_file, delimiter=',')
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for config_data in config_file_reader:
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if 'namespace' not in config_data:
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keys_in_config_file.append(config_data[0])
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if 'REPEAT' in config_data:
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keys_repeat.append(config_data[0])
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# Extract keys from values file
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with open(args.values, 'r') as values_file:
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values_file_reader = csv.reader(values_file, delimiter=',')
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keys_in_values_file = next(values_file_reader)
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# Verify file identifier exists in values file
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if args.fileid:
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if args.fileid not in keys_in_values_file:
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raise SystemExit('Error: target_file_identifier: %s does not exist in values file.\n' % args.fileid)
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else:
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args.fileid = 1
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return keys_in_config_file, keys_in_values_file, keys_repeat
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def generate(args):
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# Create work files with no blank lines
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args.conf, args.values = create_temp_files(args)
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# Verify input config and values file format
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keys_in_config_file, keys_in_values_file, keys_repeat = verify_file_format(args)
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# Verify data in the input_config_file and input_values_file
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verify_data_in_file(args.conf, args.values, keys_in_config_file,
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keys_in_values_file, keys_repeat)
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encryption_enabled = False
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if (args.keygen or args.inputkey):
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encryption_enabled = True
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print('\nGenerating encrypted NVS binary images...')
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# Create intermediate csv file
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create_intermediate_csv(args, keys_in_values_file, keys_repeat, is_encr=encryption_enabled)
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def generate_key(args):
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nvs_partition_gen.generate_key(args)
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def main():
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try:
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parser = argparse.ArgumentParser(description='\nESP Manufacturing Utility', formatter_class=argparse.RawTextHelpFormatter)
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subparser = parser.add_subparsers(title='Commands',
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dest='command',
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help='\nRun mfg_gen.py {command} -h for additional help\n\n')
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parser_gen = subparser.add_parser('generate',
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help='Generate NVS partition',
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formatter_class=argparse.RawTextHelpFormatter)
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parser_gen.set_defaults(func=generate)
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parser_gen.add_argument('conf',
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default=None,
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help='Path to configuration csv file to parse')
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parser_gen.add_argument('values',
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default=None,
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help='Path to values csv file to parse')
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parser_gen.add_argument('prefix',
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default=None,
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help='Unique name for each output filename prefix')
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parser_gen.add_argument('size',
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default=None,
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help='Size of NVS partition in bytes\
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\n(must be multiple of 4096)')
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parser_gen.add_argument('--fileid',
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default=None,
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help='''Unique file identifier(any key in values file) \
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\nfor each filename suffix (Default: numeric value(1,2,3...)''')
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parser_gen.add_argument('--version',
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choices=[1, 2],
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default=2,
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type=int,
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help='''Set multipage blob version.\
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\nVersion 1 - Multipage blob support disabled.\
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\nVersion 2 - Multipage blob support enabled.\
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\nDefault: Version 2 ''')
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parser_gen.add_argument('--keygen',
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action='store_true',
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default=False,
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help='Generates key for encrypting NVS partition')
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parser_gen.add_argument('--keyfile',
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default=None,
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help=argparse.SUPPRESS)
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parser_gen.add_argument('--inputkey',
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default=None,
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help='File having key for encrypting NVS partition')
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parser_gen.add_argument('--outdir',
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default=os.getcwd(),
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help='Output directory to store files created\
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\n(Default: current directory)')
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parser_gen.add_argument('--input',
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default=None,
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help=argparse.SUPPRESS)
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parser_gen.add_argument('--output',
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default=None,
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help=argparse.SUPPRESS)
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parser_gen_key = subparser.add_parser('generate-key',
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help='Generate keys for encryption',
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formatter_class=argparse.RawTextHelpFormatter)
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parser_gen_key.set_defaults(func=generate_key)
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parser_gen_key.add_argument('--keyfile',
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default=None,
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help='Path to output encryption keys file')
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parser_gen_key.add_argument('--outdir',
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default=os.getcwd(),
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help='Output directory to store files created.\
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\n(Default: current directory)')
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args = parser.parse_args()
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args.func(args)
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except ValueError as err:
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print(err)
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except Exception as e:
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print(e)
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if __name__ == '__main__':
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main()
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