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# 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.
"""Algorithms to generate tables.
"""
import logging
from string import replace
from errors import PresentationError
from utils import mean, stdev, relative_change
def generate_tables(spec, data):
"""Generate all tables specified in the specification file.
:param spec: Specification read from the specification file.
:param data: Data to process.
:type spec: Specification
:type data: InputData
"""
logging.info("Generating the tables ...")
for table in spec.tables:
try:
eval(table["algorithm"])(table, data)
except NameError:
logging.error("The algorithm '{0}' is not defined.".
format(table["algorithm"]))
logging.info("Done.")
def table_details(table, input_data):
"""Generate the table(s) with algorithm: table_detailed_test_results
specified in the specification file.
:param table: Table to generate.
:param input_data: Data to process.
:type table: pandas.Series
:type input_data: InputData
"""
logging.info(" Generating the table {0} ...".
format(table.get("title", "")))
# Transform the data
data = input_data.filter_data(table)
# Prepare the header of the tables
header = list()
for column in table["columns"]:
header.append('"{0}"'.format(str(column["title"]).replace('"', '""')))
# Generate the data for the table according to the model in the table
# specification
job = table["data"].keys()[0]
build = str(table["data"][job][0])
try:
suites = input_data.suites(job, build)
except KeyError:
logging.error(" No data available. The table will not be generated.")
return
for suite_longname, suite in suites.iteritems():
# Generate data
suite_name = suite["name"]
table_lst = list()
for test in data[job][build].keys():
if data[job][build][test]["parent"] in suite_name:
row_lst = list()
for column in table["columns"]:
try:
col_data = str(data[job][build][test][column["data"].
split(" ")[1]]).replace('"', '""')
if column["data"].split(" ")[1] in ("vat-history",
"show-run"):
col_data = replace(col_data, " |br| ", "",
maxreplace=1)
col_data = " |prein| {0} |preout| ".\
format(col_data[:-5])
row_lst.append('"{0}"'.format(col_data))
except KeyError:
row_lst.append("No data")
table_lst.append(row_lst)
# Write the data to file
if table_lst:
file_name = "{0}_{1}{2}".format(table["output-file"], suite_name,
table["output-file-ext"])
logging.info(" Writing file: '{}'".format(file_name))
with open(file_name, "w") as file_handler:
file_handler.write(",".join(header) + "\n")
for item in table_lst:
file_handler.write(",".join(item) + "\n")
logging.info(" Done.")
def table_performance_improvements(table, input_data):
"""Generate the table(s) with algorithm: table_performance_improvements
specified in the specification file.
:param table: Table to generate.
:param input_data: Data to process.
:type table: pandas.Series
:type input_data: InputData
"""
def _write_line_to_file(file_handler, data):
"""Write a line to the .csv file.
:param file_handler: File handler for the csv file. It must be open for
writing text.
:param data: Item to be written to the file.
:type file_handler: BinaryIO
:type data: list
"""
line_lst = list()
for item in data:
if isinstance(item["data"], str):
line_lst.append(item["data"])
elif isinstance(item["data"], float):
line_lst.append("{:.1f}".format(item["data"]))
elif item["data"] is None:
line_lst.append("")
file_handler.write(",".join(line_lst) + "\n")
logging.info(" Generating the table {0} ...".
format(table.get("title", "")))
# Read the template
file_name = table.get("template", None)
if file_name:
try:
tmpl = _read_csv_template(file_name)
except PresentationError:
logging.error(" The template '{0}' does not exist. Skipping the "
"table.".format(file_name))
return None
else:
logging.error("The template is not defined. Skipping the table.")
return None
# Transform the data
data = input_data.filter_data(table)
# Prepare the header of the tables
header = list()
for column in table["columns"]:
header.append(column["title"])
# Generate the data for the table according to the model in the table
# specification
tbl_lst = list()
for tmpl_item in tmpl:
tbl_item = list()
for column in table["columns"]:
cmd = column["data"].split(" ")[0]
args = column["data"].split(" ")[1:]
if cmd == "template":
try:
val = float(tmpl_item[int(args[0])])
except ValueError:
val = tmpl_item[int(args[0])]
tbl_item.append({"data": val})
elif cmd == "data":
job = args[0]
operation = args[1]
data_lst = list()
for build in data[job]:
try:
data_lst.append(float(build[tmpl_item[0]]["throughput"]
["value"]))
except (KeyError, TypeError):
# No data, ignore
continue
if data_lst:
tbl_item.append({"data": (eval(operation)(data_lst)) /
1000000})
else:
tbl_item.append({"data": None})
elif cmd == "operation":
operation = args[0]
try:
nr1 = float(tbl_item[int(args[1])]["data"])
nr2 = float(tbl_item[int(args[2])]["data"])
if nr1 and nr2:
tbl_item.append({"data": eval(operation)(nr1, nr2)})
else:
tbl_item.append({"data": None})
except (IndexError, ValueError, TypeError):
logging.error("No data for {0}".format(tbl_item[1]["data"]))
tbl_item.append({"data": None})
continue
else:
logging.error("Not supported command {0}. Skipping the table.".
format(cmd))
return None
tbl_lst.append(tbl_item)
# Sort the table according to the relative change
tbl_lst.sort(key=lambda rel: rel[-1]["data"], reverse=True)
# Create the tables and write them to the files
file_names = [
"{0}_ndr_top{1}".format(table["output-file"], table["output-file-ext"]),
"{0}_pdr_top{1}".format(table["output-file"], table["output-file-ext"]),
"{0}_ndr_low{1}".format(table["output-file"], table["output-file-ext"]),
"{0}_pdr_low{1}".format(table["output-file"], table["output-file-ext"])
]
for file_name in file_names:
logging.info(" Writing the file '{0}'".format(file_name))
with open(file_name, "w") as file_handler:
file_handler.write(",".join(header) + "\n")
for item in tbl_lst:
if isinstance(item[-1]["data"], float):
rel_change = round(item[-1]["data"], 1)
else:
rel_change = item[-1]["data"]
if "ndr_top" in file_name \
and "ndr" in item[1]["data"] \
and rel_change >= 10.0:
_write_line_to_file(file_handler, item)
elif "pdr_top" in file_name \
and "pdr" in item[1]["data"] \
and rel_change >= 10.0:
_write_line_to_file(file_handler, item)
elif "ndr_low" in file_name \
and "ndr" in item[1]["data"] \
and rel_change < 10.0:
_write_line_to_file(file_handler, item)
elif "pdr_low" in file_name \
and "pdr" in item[1]["data"] \
and rel_change < 10.0:
_write_line_to_file(file_handler, item)
logging.info(" Done.")
def _read_csv_template(file_name):
"""Read the template from a .csv file.
:param file_name: Name / full path / relative path of the file to read.
:type file_name: str
:returns: Data from the template as list (lines) of lists (items on line).
:rtype: list
:raises: PresentationError if it is not possible to read the file.
"""
try:
with open(file_name, 'r') as csv_file:
tmpl_data = list()
for line in csv_file:
tmpl_data.append(line[:-1].split(","))
return tmpl_data
except IOError as err:
raise PresentationError(str(err), level="ERROR")
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