549 lines
22 KiB
Python
Executable file
549 lines
22 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("\nOops...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("Oops...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("Oops...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("Oops...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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raise
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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 = 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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csv_file_writer.writerow(row)
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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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return target_filename
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def main(input_config_file=None,input_values_file=None,target_file_name_prefix=None,
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file_identifier=None,output_dir_path=None,part_size=None,input_version=None,
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input_is_keygen=None,input_is_encrypt=None,input_is_keyfile=None):
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try:
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if all(arg is None for arg in [input_config_file,input_values_file,target_file_name_prefix,
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file_identifier,output_dir_path]):
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parser = argparse.ArgumentParser(prog='./mfg_gen.py',
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description="Create binary files from input config and values file",
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formatter_class=argparse.RawDescriptionHelpFormatter)
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parser.add_argument('--conf',
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dest='config_file',
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help='the input configuration csv file',
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default=None)
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parser.add_argument('--values',
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dest='values_file',
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help='the input values csv file',
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default=None)
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parser.add_argument('--prefix',
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dest='prefix',
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help='the unique name as each filename prefix')
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parser.add_argument('--fileid',
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dest='fileid',
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help='the unique file identifier(any key in values file) \
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as each filename suffix (Default: numeric value(1,2,3...)')
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parser.add_argument('--outdir',
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dest='outdir',
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default=os.getcwd(),
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help='the output directory to store the files created\
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(Default: current directory)')
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parser.add_argument("--size",
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dest='part_size',
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help='Size of NVS Partition in bytes (must be multiple of 4096)')
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parser.add_argument("--version",
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dest="version",
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help='Set version. Default: v2',
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choices=['v1','v2'],
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default='v2',
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type=str.lower)
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parser.add_argument("--keygen",
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dest="keygen",
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help='Generate keys for encryption. Default: false',
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choices=['true','false'],
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default='false',
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type=str.lower)
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parser.add_argument("--encrypt",
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dest="encrypt",
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help='Set encryption mode. Default: false',
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choices=['true','false'],
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default='false',
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type=str.lower)
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parser.add_argument("--keyfile",
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dest="keyfile",
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help='File having key for encryption (Applicable only if encryption mode is true)',
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default=None)
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args = parser.parse_args()
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args.outdir = os.path.join(args.outdir, '')
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input_config_file = args.config_file
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input_values_file = args.values_file
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target_file_name_prefix = args.prefix
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output_dir_path = args.outdir
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part_size = args.part_size
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input_version = args.version
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input_is_keygen = args.keygen
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input_is_encrypt = args.encrypt
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input_is_keyfile = args.keyfile
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file_identifier = ''
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print_arg_str = "Invalid.\nTo generate binary --conf, --values, --prefix and --size arguments are mandatory.\
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\nTo generate encryption keys --keygen argument is mandatory."
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print_encrypt_arg_str = "Missing parameter. Enter --keygen or --keyfile."
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if args.fileid:
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file_identifier = args.fileid
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if input_config_file and input_is_encrypt.lower() == 'true' and input_is_keygen.lower() == 'true' and input_is_keyfile:
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sys.exit('Invalid. Cannot provide both --keygen and --keyfile argument together.')
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nvs_partition_gen.check_input_args(input_config_file, input_values_file, part_size, input_is_keygen,
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input_is_encrypt, input_is_keyfile, input_version, print_arg_str,
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print_encrypt_arg_str, output_dir_path)
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if not input_config_file and input_is_keygen:
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if input_is_encrypt == 'true':
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sys.exit("Invalid.\nOnly --keyfile and --outdir arguments allowed.\n")
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# Generate Key Only
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nvs_partition_gen.nvs_part_gen(input_filename=input_config_file, output_filename=input_values_file,
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input_part_size=part_size, is_key_gen=input_is_keygen,
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encrypt_mode=input_is_encrypt, key_file=input_is_keyfile,
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version_no=input_version, output_dir=output_dir_path)
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exit(0)
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if not (input_config_file and input_values_file and target_file_name_prefix and part_size):
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sys.exit(print_arg_str)
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keys_in_values_file = []
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keys_in_config_file = []
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config_data_to_write = []
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key_value_data = []
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csv_file_list = []
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keys_repeat = []
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is_empty_line = False
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files_created = False
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file_identifier_value = '0'
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output_target_dir = ''
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target_values_file = None
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output_file_prefix = None
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# Verify config file is not empty
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if os.stat(input_config_file).st_size == 0:
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raise SystemExit("Oops...config file: %s is empty." % input_config_file)
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# Verify values file is not empty
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if os.stat(input_values_file).st_size == 0:
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raise SystemExit("Oops...values file: %s is empty." % input_values_file)
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# Verify config file does not have empty lines
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csv_config_file = open(input_config_file,'r')
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try:
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config_file_reader = csv.reader(csv_config_file, delimiter=',')
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for config_data in config_file_reader:
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for data in config_data:
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empty_line = data.strip()
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if empty_line is '':
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is_empty_line = True
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else:
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is_empty_line = False
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break
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if is_empty_line:
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raise SystemExit("Oops...config file: %s cannot have empty lines. " % input_config_file)
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if not config_data:
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raise SystemExit("Oops...config file: %s cannot have empty lines." % input_config_file)
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csv_config_file.seek(0)
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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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csv_config_file.close()
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except Exception as e:
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print(e)
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finally:
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csv_config_file.close()
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is_empty_line = False
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# Verify values file does not have empty lines
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csv_values_file = open(input_values_file, 'r')
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try:
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values_file_reader = csv.reader(csv_values_file, delimiter=',')
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for values_data in values_file_reader:
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for data in values_data:
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empty_line = data.strip()
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if empty_line is '':
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is_empty_line = True
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else:
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is_empty_line = False
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break
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if is_empty_line:
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raise SystemExit("Oops...values file: %s cannot have empty lines." % input_values_file)
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if not values_data:
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raise SystemExit("Oops...values file: %s cannot have empty lines." % input_values_file)
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csv_values_file.seek(0)
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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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csv_values_file.close()
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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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# Verify file identifier exists in values file
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if file_identifier:
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if file_identifier not in keys_in_values_file:
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raise SystemExit('Oops...target_file_identifier: %s does not exist in values file.\n' % file_identifier)
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# Verify data in the input_config_file and input_values_file
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verify_data_in_file(input_config_file, input_values_file, keys_in_config_file,
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keys_in_values_file, keys_repeat)
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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(input_config_file)
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try:
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with open(input_values_file, '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)
|
|
|
|
filename, file_ext = os.path.splitext(input_values_file)
|
|
target_filename = filename + "_created" + file_ext
|
|
if keys_repeat:
|
|
target_values_file = set_repeat_value(keys_repeat, keys, input_values_file, target_filename)
|
|
else:
|
|
target_values_file = input_values_file
|
|
|
|
csv_values_file = open(target_values_file, 'r')
|
|
|
|
values_file_reader = csv.reader(csv_values_file, delimiter=',')
|
|
next(values_file_reader)
|
|
for values_data_line in values_file_reader:
|
|
key_value_data = list(zip_longest(keys_in_values_file,values_data_line))
|
|
|
|
# Get file identifier value from values file
|
|
file_identifier_value = get_fileid_val(file_identifier, keys_in_config_file,
|
|
keys_in_values_file, values_data_line, key_value_data, file_identifier_value)
|
|
|
|
key_value_pair = key_value_data[:]
|
|
|
|
# Create new directory(if doesn't exist) to store csv file generated
|
|
output_target_dir = create_dir("csv/", output_dir_path)
|
|
|
|
# Verify if output csv file does not exist
|
|
csv_filename = target_file_name_prefix + "-" + file_identifier_value + ".csv"
|
|
csv_file_list.append(csv_filename)
|
|
output_csv_file = output_target_dir + csv_filename
|
|
if os.path.isfile(output_csv_file):
|
|
raise SystemExit("Target csv file: %s already exists.`" % output_csv_file)
|
|
|
|
# Add values corresponding to each key to csv target file
|
|
add_data_to_file(config_data_to_write, key_value_pair, output_csv_file)
|
|
|
|
# Create new directory(if doesn't exist) to store bin file generated
|
|
output_target_dir = create_dir("bin/", output_dir_path)
|
|
|
|
# Verify if output bin file does not exist
|
|
output_file_prefix = target_file_name_prefix + "-" + file_identifier_value
|
|
output_bin_file = output_target_dir + output_file_prefix + ".bin"
|
|
if os.path.isfile(output_bin_file):
|
|
raise SystemExit("Target csv file: %s already exists.`" % output_bin_file)
|
|
|
|
# Create output csv and bin file
|
|
if input_is_keygen.lower() == 'true' and input_is_keyfile:
|
|
input_is_keyfile = os.path.basename(input_is_keyfile)
|
|
nvs_partition_gen.nvs_part_gen(input_filename=output_csv_file, output_filename=output_bin_file,
|
|
input_part_size=part_size, is_key_gen=input_is_keygen,
|
|
encrypt_mode=input_is_encrypt, key_file=input_is_keyfile,
|
|
version_no=input_version, encr_key_prefix=output_file_prefix, output_dir=output_dir_path)
|
|
print("CSV Generated: ", str(output_csv_file))
|
|
|
|
files_created = True
|
|
|
|
csv_values_file.close()
|
|
except Exception as e:
|
|
print(e)
|
|
exit(1)
|
|
finally:
|
|
csv_values_file.close()
|
|
return csv_file_list, files_created, target_values_file
|
|
|
|
except ValueError as err:
|
|
print(err)
|
|
except Exception:
|
|
raise
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|