OVMS3-idf/tools/mass_mfg/mfg_gen.py
2019-04-04 13:59:52 +05:30

549 lines
22 KiB
Python
Executable file

#!/usr/bin/env python
#
# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from __future__ import print_function
from builtins import range
from future.moves.itertools import zip_longest
import sys
import os
import csv
import argparse
import distutils.dir_util
try:
sys.path.insert(0, os.getenv('IDF_PATH') + "/components/nvs_flash/nvs_partition_generator/")
import nvs_partition_gen
except Exception as e:
print(e)
sys.exit("Please check IDF_PATH")
def verify_values_exist(input_values_file, keys_in_values_file):
""" Verify all keys have corresponding values in values file
"""
line_no = 1
key_count_in_values_file = len(keys_in_values_file)
values_file = open(input_values_file, 'r')
values_file_reader = csv.reader(values_file, delimiter=',')
next(values_file_reader)
for values_data in values_file_reader:
line_no += 1
if len(values_data) != key_count_in_values_file:
raise SystemExit("\nOops...Number of values is not equal to number of keys in file: %s at line No:%s\n"
% (str(input_values_file), str(line_no)))
def verify_keys_exist(values_file_keys, input_config_file):
""" Verify all keys from config file are present in values file
"""
keys_missing = []
config_file = open(input_config_file,'r')
config_file_reader = csv.reader(config_file, delimiter=',')
for line_no, config_data in enumerate(config_file_reader,1):
if 'namespace' not in config_data:
if values_file_keys:
if config_data[0] == values_file_keys[0]:
del values_file_keys[0]
else:
keys_missing.append([config_data[0], line_no])
else:
keys_missing.append([config_data[0], line_no])
if keys_missing:
for key, line_no in keys_missing:
print("Key:`", str(key), "` at line no:", str(line_no),
" in config file is not found in values file.")
config_file.close()
raise SystemExit(1)
config_file.close()
def verify_datatype_encoding(input_config_file):
""" Verify datatype and encodings from config file is valid
"""
valid_encodings = ["string", "binary", "hex2bin","u8", "i8", "u16", "u32", "i32","base64"]
valid_datatypes = ["file","data","namespace"]
line_no = 0
config_file = open(input_config_file,'r')
config_file_reader = csv.reader(config_file, delimiter=',')
for config_data in config_file_reader:
line_no += 1
if config_data[1] not in valid_datatypes:
raise SystemExit("Oops...config file: %s has invalid datatype at line no:%s\n`"
% (str(input_config_file), str(line_no)))
if 'namespace' not in config_data:
if config_data[2] not in valid_encodings:
raise SystemExit("Oops...config file: %s has invalid encoding at line no:%s\n`"
% (str(input_config_file), str(line_no)))
def verify_file_data_count(input_config_file, keys_repeat):
""" Verify count of data on each line in config file is equal to 3
(as format must be: <key,type and encoding>)
"""
line_no = 0
config_file = open(input_config_file, 'r')
config_file_reader = csv.reader(config_file, delimiter=',')
for line in config_file_reader:
line_no += 1
if len(line) != 3 and line[0] not in keys_repeat:
raise SystemExit("Oops...data missing in config file at line no:%s <format needed:key,type,encoding>\n"
% str(line_no))
config_file.close()
def verify_data_in_file(input_config_file, input_values_file, config_file_keys, keys_in_values_file, keys_repeat):
""" Verify count of data on each line in config file is equal to 3 \
(as format must be: <key,type and encoding>)
Verify datatype and encodings from config file is valid
Verify all keys from config file are present in values file and \
Verify each key has corresponding value in values file
"""
try:
values_file_keys = []
verify_file_data_count(input_config_file, keys_repeat)
verify_datatype_encoding(input_config_file)
# Get keys from values file present in config files
values_file_keys = get_keys(keys_in_values_file, config_file_keys)
verify_keys_exist(values_file_keys, input_config_file)
verify_values_exist(input_values_file, keys_in_values_file)
except Exception as err:
print(err)
raise
def get_keys(keys_in_values_file, config_file_keys):
""" Get keys from values file present in config file
"""
values_file_keys = []
for key in range(len(keys_in_values_file)):
if keys_in_values_file[key] in config_file_keys:
values_file_keys.append(keys_in_values_file[key])
return values_file_keys
def add_config_data_per_namespace(input_config_file):
""" Add config data per namespace to `config_data_to_write` list
"""
config_data_to_write = []
config_data_per_namespace = []
csv_config_file = open(input_config_file,'r')
config_file_reader = csv.reader(csv_config_file, delimiter=',')
# `config_data_per_namespace` is added to `config_data_to_write` list after reading next namespace
for config_data in config_file_reader:
if 'REPEAT' in config_data:
config_data.remove('REPEAT')
if 'namespace' in config_data:
if config_data_per_namespace:
config_data_to_write.append(config_data_per_namespace)
config_data_per_namespace = []
config_data_per_namespace.append(config_data)
else:
config_data_per_namespace.append(config_data)
else:
config_data_per_namespace.append(config_data)
# `config_data_per_namespace` is added to `config_data_to_write` list as EOF is reached
if (not config_data_to_write) or (config_data_to_write and config_data_per_namespace):
config_data_to_write.append(config_data_per_namespace)
csv_config_file.close()
return config_data_to_write
def get_fileid_val(file_identifier, keys_in_config_file, keys_in_values_file,
values_data_line, key_value_data, fileid_value):
""" Get file identifier value
"""
file_id_found = False
for key in key_value_data:
if file_identifier and not file_id_found and file_identifier in key:
fileid_value = key[1]
file_id_found = True
if not file_id_found:
fileid_value = str(int(fileid_value) + 1)
return fileid_value
def add_data_to_file(config_data_to_write, key_value_pair, output_csv_file):
""" Add data to csv target file
"""
header = ['key', 'type', 'encoding', 'value']
data_to_write = []
target_csv_file = open(output_csv_file, 'w')
output_file_writer = csv.writer(target_csv_file, delimiter=',')
output_file_writer.writerow(header)
for namespace_config_data in config_data_to_write:
for data in namespace_config_data:
data_to_write = data[:]
if 'namespace' in data:
data_to_write.append('')
output_file_writer.writerow(data_to_write)
else:
key = data[0]
while key not in key_value_pair[0]:
del key_value_pair[0]
if key in key_value_pair[0]:
value = key_value_pair[0][1]
data_to_write.append(value)
del key_value_pair[0]
output_file_writer.writerow(data_to_write)
# Set index to start of file
target_csv_file.seek(0)
target_csv_file.close()
def create_dir(filetype, output_dir_path):
""" Create new directory(if doesn't exist) to store file generated
"""
output_target_dir = output_dir_path + filetype
if not os.path.isdir(output_target_dir):
distutils.dir_util.mkpath(output_target_dir)
return output_target_dir
def set_repeat_value(total_keys_repeat, keys, csv_file, target_filename):
key_val_pair = []
key_repeated = []
with open(csv_file, 'r') as read_from, open(target_filename,'w') as write_to:
csv_file_reader = csv.reader(read_from, delimiter=',')
headers = next(csv_file_reader)
values = next(csv_file_reader)
csv_file_writer = csv.writer(write_to, delimiter=',')
csv_file_writer.writerow(headers)
csv_file_writer.writerow(values)
total_keys_values = list(zip_longest(keys, values))
# read new data, add value if key has repeat tag, write to new file
for row in csv_file_reader:
index = -1
key_val_new = list(zip_longest(keys, row))
key_val_pair = total_keys_values[:]
key_repeated = total_keys_repeat[:]
while key_val_new and key_repeated:
index = index + 1
# if key has repeat tag, get its corresponding value, write to file
if key_val_new[0][0] == key_repeated[0]:
val = key_val_pair[0][1]
row[index] = val
csv_file_writer.writerow(row)
del key_repeated[0]
del key_val_new[0]
del key_val_pair[0]
return target_filename
def main(input_config_file=None,input_values_file=None,target_file_name_prefix=None,
file_identifier=None,output_dir_path=None,part_size=None,input_version=None,
input_is_keygen=None,input_is_encrypt=None,input_is_keyfile=None):
try:
if all(arg is None for arg in [input_config_file,input_values_file,target_file_name_prefix,
file_identifier,output_dir_path]):
parser = argparse.ArgumentParser(prog='./mfg_gen.py',
description="Create binary files from input config and values file",
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument('--conf',
dest='config_file',
help='the input configuration csv file',
default=None)
parser.add_argument('--values',
dest='values_file',
help='the input values csv file',
default=None)
parser.add_argument('--prefix',
dest='prefix',
help='the unique name as each filename prefix')
parser.add_argument('--fileid',
dest='fileid',
help='the unique file identifier(any key in values file) \
as each filename suffix (Default: numeric value(1,2,3...)')
parser.add_argument('--outdir',
dest='outdir',
default=os.getcwd(),
help='the output directory to store the files created\
(Default: current directory)')
parser.add_argument("--size",
dest='part_size',
help='Size of NVS Partition in bytes (must be multiple of 4096)')
parser.add_argument("--version",
dest="version",
help='Set version. Default: v2',
choices=['v1','v2'],
default='v2',
type=str.lower)
parser.add_argument("--keygen",
dest="keygen",
help='Generate keys for encryption. Default: false',
choices=['true','false'],
default='false',
type=str.lower)
parser.add_argument("--encrypt",
dest="encrypt",
help='Set encryption mode. Default: false',
choices=['true','false'],
default='false',
type=str.lower)
parser.add_argument("--keyfile",
dest="keyfile",
help='File having key for encryption (Applicable only if encryption mode is true)',
default=None)
args = parser.parse_args()
args.outdir = os.path.join(args.outdir, '')
input_config_file = args.config_file
input_values_file = args.values_file
target_file_name_prefix = args.prefix
output_dir_path = args.outdir
part_size = args.part_size
input_version = args.version
input_is_keygen = args.keygen
input_is_encrypt = args.encrypt
input_is_keyfile = args.keyfile
file_identifier = ''
print_arg_str = "Invalid.\nTo generate binary --conf, --values, --prefix and --size arguments are mandatory.\
\nTo generate encryption keys --keygen argument is mandatory."
print_encrypt_arg_str = "Missing parameter. Enter --keygen or --keyfile."
if args.fileid:
file_identifier = args.fileid
if input_config_file and input_is_encrypt.lower() == 'true' and input_is_keygen.lower() == 'true' and input_is_keyfile:
sys.exit('Invalid. Cannot provide both --keygen and --keyfile argument together.')
nvs_partition_gen.check_input_args(input_config_file, input_values_file, part_size, input_is_keygen,
input_is_encrypt, input_is_keyfile, input_version, print_arg_str,
print_encrypt_arg_str, output_dir_path)
if not input_config_file and input_is_keygen:
if input_is_encrypt == 'true':
sys.exit("Invalid.\nOnly --keyfile and --outdir arguments allowed.\n")
# Generate Key Only
nvs_partition_gen.nvs_part_gen(input_filename=input_config_file, output_filename=input_values_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, output_dir=output_dir_path)
exit(0)
if not (input_config_file and input_values_file and target_file_name_prefix and part_size):
sys.exit(print_arg_str)
keys_in_values_file = []
keys_in_config_file = []
config_data_to_write = []
key_value_data = []
csv_file_list = []
keys_repeat = []
is_empty_line = False
files_created = False
file_identifier_value = '0'
output_target_dir = ''
target_values_file = None
output_file_prefix = None
# Verify config file is not empty
if os.stat(input_config_file).st_size == 0:
raise SystemExit("Oops...config file: %s is empty." % input_config_file)
# Verify values file is not empty
if os.stat(input_values_file).st_size == 0:
raise SystemExit("Oops...values file: %s is empty." % input_values_file)
# Verify config file does not have empty lines
csv_config_file = open(input_config_file,'r')
try:
config_file_reader = csv.reader(csv_config_file, delimiter=',')
for config_data in config_file_reader:
for data in config_data:
empty_line = data.strip()
if empty_line is '':
is_empty_line = True
else:
is_empty_line = False
break
if is_empty_line:
raise SystemExit("Oops...config file: %s cannot have empty lines. " % input_config_file)
if not config_data:
raise SystemExit("Oops...config file: %s cannot have empty lines." % input_config_file)
csv_config_file.seek(0)
# Extract keys from config file
for config_data in config_file_reader:
if 'namespace' not in config_data:
keys_in_config_file.append(config_data[0])
if 'REPEAT' in config_data:
keys_repeat.append(config_data[0])
csv_config_file.close()
except Exception as e:
print(e)
finally:
csv_config_file.close()
is_empty_line = False
# Verify values file does not have empty lines
csv_values_file = open(input_values_file, 'r')
try:
values_file_reader = csv.reader(csv_values_file, delimiter=',')
for values_data in values_file_reader:
for data in values_data:
empty_line = data.strip()
if empty_line is '':
is_empty_line = True
else:
is_empty_line = False
break
if is_empty_line:
raise SystemExit("Oops...values file: %s cannot have empty lines." % input_values_file)
if not values_data:
raise SystemExit("Oops...values file: %s cannot have empty lines." % input_values_file)
csv_values_file.seek(0)
# Extract keys from values file
keys_in_values_file = next(values_file_reader)
csv_values_file.close()
except Exception as e:
print(e)
exit(1)
finally:
csv_values_file.close()
# Verify file identifier exists in values file
if file_identifier:
if file_identifier not in keys_in_values_file:
raise SystemExit('Oops...target_file_identifier: %s does not exist in values file.\n' % file_identifier)
# Verify data in the input_config_file and input_values_file
verify_data_in_file(input_config_file, input_values_file, keys_in_config_file,
keys_in_values_file, keys_repeat)
# Add config data per namespace to `config_data_to_write` list
config_data_to_write = add_config_data_per_namespace(input_config_file)
try:
with open(input_values_file, 'r') as csv_values_file:
values_file_reader = csv.reader(csv_values_file, delimiter=',')
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()