1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
#!/usr/bin/python
# Copyright (c) 2017 Cisco and/or its affiliates.
# 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.
"""Generate csv files for the chapter "CSIT Release Notes" from json files
generated by Jenkins' jobs.
"""
from sys import exit as sys_exit
from os import walk
from os.path import join
from math import sqrt
from argparse import ArgumentParser, RawDescriptionHelpFormatter
from json import load
EXT_JSON = ".json"
EXT_TMPL = ".template"
EXT_CSV = ".csv"
def get_files(path, extension):
"""Generates the list of files to process.
:param path: Path to files.
:param extension: Extension of files to process. If it is the empty string,
all files will be processed.
:type path: str
:type extension: str
:returns: List of files to process.
:rtype: list
"""
file_list = list()
for root, _, files in walk(path):
for filename in files:
if extension:
if filename.endswith(extension):
file_list.append(join(root, filename))
else:
file_list.append(join(root, filename))
return file_list
def parse_args():
"""Parse arguments from cmd line.
:returns: Parsed arguments.
:rtype ArgumentParser
"""
parser = ArgumentParser(description=__doc__,
formatter_class=RawDescriptionHelpFormatter)
parser.add_argument("-i", "--input",
required=True,
help="Input folder with data files.")
parser.add_argument("-o", "--output",
required=True,
help="Output folder with csv files and templates for "
"csv files.")
return parser.parse_args()
def calculate_stats(data):
"""Calculate statistics:
- average,
- standard deviation.
:param data: Data to process.
:type data: list
:returns: Average and standard deviation.
:rtype: tuple
"""
if len(data) == 0:
return None, None
def average(items):
"""Calculate average from the items.
:param items: Average is calculated from these items.
:type items: list
:returns: Average.
:rtype: float
"""
return float(sum(items)) / len(items)
avg = average(data)
variance = [(x - avg) ** 2 for x in data]
stdev = sqrt(average(variance))
return avg, stdev
def write_line_to_file(file_handler, item):
"""Write a line to the csv file.
:param file_handler: File handler for the csv file. It must be open for
writing text.
:param item: Item to be written to the file.
:type file_handler: BinaryIO
:type item: dict
"""
mean = "" if item["mean"] is None else "{:.1f}".format(item["mean"])
stdev = "" if item["stdev"] is None else "{:.1f}".format(item["stdev"])
change = "" if item["change"] is None else "{:.0f}%".format(item["change"])
file_handler.write("{},{},{},{}\n".format(item["old"], mean, stdev, change))
def main():
"""Main function to generate csv files for the chapter "CSIT Release Notes"
from json files generated by Jenkins' jobs.
"""
args = parse_args()
json_files = get_files(args.input, EXT_JSON)
tmpl_files = get_files(args.output, EXT_TMPL)
if len(json_files) == 0:
print("No json data to process.")
exit(1)
if len(tmpl_files) == 0:
print("No template files to process.")
exit(1)
# Get information from template files
csv_data = list()
for tmpl_file in tmpl_files:
with open(tmpl_file, mode='r') as file_handler:
for line in file_handler:
line_list = line.split(',')
try:
csv_data.append({
"ID": line_list[0],
"type": line_list[0].rsplit("-", 1)[-1],
"old": ",".join(line_list[1:])[:-1],
"last_old": line_list[-1][:-1],
"rates": list(),
"mean": None,
"stdev": None,
"change": None})
except IndexError:
pass
# Update existing data with the new information from json files
for json_file in json_files:
with open(json_file) as file_handler:
tests_data = load(file_handler)
for item in csv_data:
try:
rate = tests_data["data"][item["ID"]]["throughput"]["value"]
item["rates"].append(rate)
except KeyError:
pass
# Add statistics
for item in csv_data:
mean, stdev = calculate_stats(item["rates"])
if mean is not None:
mean = float(mean) / 1000000
old = float(item["last_old"])
item["mean"] = mean
item["change"] = ((round(mean, 1) - round(old, 1)) / round(old, 1))\
* 100
item["stdev"] = stdev / 1000000
# Sort the list, key = change
csv_data.sort(key=lambda data: data["change"], reverse=True)
# Write csv files
for tmpl_file in tmpl_files:
csv_file = tmpl_file.replace(EXT_TMPL, EXT_CSV)
with open(csv_file, "w") as file_handler:
for item in csv_data:
if "pdr_" in csv_file \
and "_others" not in csv_file \
and item["type"] == "pdrdisc" \
and item["change"] >= 9.5:
write_line_to_file(file_handler, item)
elif "pdr_" in csv_file \
and "_others" in csv_file \
and item["type"] == "pdrdisc" \
and item["change"] < 9.5:
write_line_to_file(file_handler, item)
elif "ndr_" in csv_file \
and "_others" not in csv_file \
and item["type"] == "ndrdisc" \
and item["change"] >= 9.5:
write_line_to_file(file_handler, item)
elif "ndr_" in csv_file \
and "_others" in csv_file \
and item["type"] == "ndrdisc" \
and item["change"] < 9.5:
write_line_to_file(file_handler, item)
if __name__ == "__main__":
sys_exit(main())
|
