mirror of
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519 lines
20 KiB
Python
Executable File
519 lines
20 KiB
Python
Executable File
#!/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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#
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from __future__ import print_function
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from builtins import range
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from future.moves.itertools import zip_longest
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import sys
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import os
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import csv
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import argparse
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import distutils.dir_util
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try:
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sys.path.insert(0, os.getenv('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 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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line_no = 1
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key_count_in_values_file = len(keys_in_values_file)
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values_file = open(input_values_file, 'r')
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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 values_data in values_file_reader:
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line_no += 1
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if len(values_data) != 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_no)))
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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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config_file = open(input_config_file,'r')
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config_file_reader = csv.reader(config_file, delimiter=',')
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for line_no, config_data in enumerate(config_file_reader,1):
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if 'namespace' not in config_data:
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if values_file_keys:
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if config_data[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([config_data[0], line_no])
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else:
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keys_missing.append([config_data[0], line_no])
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if keys_missing:
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for key, line_no in keys_missing:
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print("Key:`", str(key), "` at line no:", str(line_no),
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" in config file is not found in values file.")
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config_file.close()
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raise SystemExit(1)
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config_file.close()
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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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line_no = 0
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config_file = open(input_config_file,'r')
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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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line_no += 1
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if config_data[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_no)))
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if 'namespace' not in config_data:
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if config_data[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_no)))
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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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line_no = 0
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config_file = open(input_config_file, 'r')
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config_file_reader = csv.reader(config_file, delimiter=',')
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for line in config_file_reader:
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line_no += 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_no))
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config_file.close()
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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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values_file_keys = []
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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 = []
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for key in range(len(keys_in_values_file)):
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if keys_in_values_file[key] in config_file_keys:
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values_file_keys.append(keys_in_values_file[key])
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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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csv_config_file = open(input_config_file,'r')
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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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csv_config_file.close()
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return config_data_to_write
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def get_fileid_val(file_identifier, keys_in_config_file, keys_in_values_file,
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values_data_line, 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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target_csv_file = open(output_csv_file, 'w')
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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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# Set index to start of file
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target_csv_file.seek(0)
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target_csv_file.close()
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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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key_val_pair = []
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key_repeated = []
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with open(csv_file, 'r') as read_from, open(target_filename,'w') 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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total_keys_values = list(zip_longest(keys, 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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index = -1
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key_val_new = list(zip_longest(keys, row))
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key_val_pair = total_keys_values[:]
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key_repeated = total_keys_repeat[:]
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while key_val_new and key_repeated:
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index = index + 1
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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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val = key_val_pair[0][1]
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row[index] = val
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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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csv_file_writer.writerow(row)
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return target_filename
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def create_intermediate_csv(args, keys_in_config_file, keys_in_values_file, keys_repeat, is_encr=False):
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file_identifier_value = '0'
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csv_str = 'csv'
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bin_str = 'bin'
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set_output_keyfile = False
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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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csv_values_file = open(target_values_file, 'r')
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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_str, 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_str, args.outdir)
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if args.keygen:
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set_output_keyfile = True
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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, keys_in_config_file,
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keys_in_values_file, values_data_line, key_value_data,
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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_str
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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_str
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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_str, bin_filename)
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if set_output_keyfile:
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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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finally:
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csv_values_file.close()
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def verify_empty_lines_exist(args, input_file):
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input_file_reader = csv.reader(input_file, delimiter=',')
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for file_data in input_file_reader:
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for data in file_data:
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if len(data.strip()) == 0:
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raise SystemExit("Error: config file: %s cannot have empty lines. " % args.conf)
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else:
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break
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if not file_data:
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raise SystemExit("Error: config file: %s cannot have empty lines." % args.conf)
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input_file.seek(0)
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return input_file_reader
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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 config file is 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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# Verify values file is not empty
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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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# Verify config file does not have empty lines
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with open(args.conf, 'r') as csv_config_file:
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try:
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config_file_reader = verify_empty_lines_exist(args, csv_config_file)
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# Extract keys from config file
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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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except Exception as e:
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print(e)
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# Verify values file does not have empty lines
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with open(args.values, 'r') as csv_values_file:
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try:
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values_file_reader = verify_empty_lines_exist(args, csv_values_file)
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# Extract keys from values file
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keys_in_values_file = next(values_file_reader)
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except Exception as e:
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print(e)
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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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keys_in_config_file = []
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keys_in_values_file = []
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keys_repeat = []
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encryption_enabled = False
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args.outdir = os.path.join(args.outdir, '')
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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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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_config_file, keys_in_values_file,
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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.\
|
|
\nDefault: Version 2 ''')
|
|
parser_gen.add_argument('--keygen',
|
|
action="store_true",
|
|
default=False,
|
|
help='Generates key for encrypting NVS partition')
|
|
parser_gen.add_argument('--keyfile',
|
|
default=None,
|
|
help=argparse.SUPPRESS)
|
|
parser_gen.add_argument('--inputkey',
|
|
default=None,
|
|
help='File having key for encrypting NVS partition')
|
|
parser_gen.add_argument('--outdir',
|
|
default=os.getcwd(),
|
|
help='Output directory to store files created\
|
|
\n(Default: current directory)')
|
|
parser_gen.add_argument('--input',
|
|
default=None,
|
|
help=argparse.SUPPRESS)
|
|
parser_gen.add_argument('--output',
|
|
default=None,
|
|
help=argparse.SUPPRESS)
|
|
parser_gen_key = subparser.add_parser('generate-key',
|
|
help='Generate keys for encryption',
|
|
formatter_class=argparse.RawTextHelpFormatter)
|
|
parser_gen_key.set_defaults(func=generate_key)
|
|
parser_gen_key.add_argument('--keyfile',
|
|
default=None,
|
|
help='Path to output encryption keys file')
|
|
parser_gen_key.add_argument('--outdir',
|
|
default=os.getcwd(),
|
|
help='Output directory to store files created.\
|
|
\n(Default: current directory)')
|
|
|
|
args = parser.parse_args()
|
|
args.func(args)
|
|
|
|
except ValueError as err:
|
|
print(err)
|
|
except Exception as e:
|
|
print(e)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|