excelexporters.shopfloorenergyitem.generate_excel() - Code Metrics - Inspection of "added associated parameters data to excel exporter..." - MyEMS/myems - Measure and Improve Code Quality continuously with Scrutinizer

Passed
Push — master ( e2d795...875b92 )

by Guangyu
created 2021-04-22 08:24 UTC
generate_excel() F

↳ Parent: excelexporters.shopfloorenergyitem
Complexity

Conditions
Size

Total Lines	579
Code Lines	432
Duplication

Lines	579
Ratio	100 %
Importance

Changes
Metric	Value
eloc	432
dl	579
loc	579
rs	0
c	0
b	0
f	0
cc	62
nop	5
How to fix Long Method Complexity

import base64
import uuid
import os
from openpyxl.chart import (
    PieChart,
    LineChart,
    Reference,
)
from openpyxl.styles import PatternFill, Border, Side, Alignment, Font
from openpyxl.drawing.image import Image
from openpyxl import Workbook
from openpyxl.chart.label import DataLabelList
import openpyxl.utils.cell as format_cell

####################################################################################################################
# PROCEDURES
# Step 1: Validate the report data
# Step 2: Generate excel file
# Step 3: Encode the excel file bytes to Base64
####################################################################################################################


def export(report,

           name,
           reporting_start_datetime_local,
           reporting_end_datetime_local,
           period_type):
    ####################################################################################################################
    # Step 1: Validate the report data
    ####################################################################################################################
    if report is None:
        return None
    print(report)

    ####################################################################################################################
    # Step 2: Generate excel file from the report data
    ####################################################################################################################
    filename = generate_excel(report,
                              name,
                              reporting_start_datetime_local,
                              reporting_end_datetime_local,
                              period_type)
    ####################################################################################################################
    # Step 3: Encode the excel file to Base64
    ####################################################################################################################
    try:
        with open(filename, 'rb') as binary_file:
            binary_file_data = binary_file.read()
    except IOError as ex:
        pass

    # Base64 encode the bytes
    base64_encoded_data = base64.b64encode(binary_file_data)

    # get the Base64 encoded data using human-readable characters.
    base64_message = base64_encoded_data.decode('utf-8')
    # delete the file from server
    try:
        os.remove(filename)
    except NotImplementedError as ex:
        pass
    return base64_message


def decimal_to_column(num=65):

    string = ''
    num = num - 64
    # The column number is not greater than 90
    if num <= 26:
        return chr(num + 64)
    # The column number is greater than 90
    while num // 26 > 0:
        if num % 26 == 0:
            string += 'Z'
            num = num // 26 - 1
        else:
            string += chr(num % 26 + 64)
            num //= 26
    # Avoid conversion errors that might occur between 741 and 766
    if num > 0:
        string += chr(num + 64)

    return string[::-1]


def column_to_decimal(string='A'):
    num = 0
    for index, key in enumerate(string[::-1]):
        num += (ord(key) - 64) * (26 ** index)

    return num + 64


def get_parameters_timestamps_lists_max_len(parameters_timestamps_lists):
    max_len = 0
    for i, value in enumerate(list(parameters_timestamps_lists)):
        if len(value) > max_len:
            max_len = len(value)

    return max_len


def timestamps_data_all_equal_0(lists):
    for i, value in enumerate(list(lists)):
        if len(value) > 0:
            return False

    return True


def generate_excel(report,

                   name,
                   reporting_start_datetime_local,
                   reporting_end_datetime_local,
                   period_type):
    wb = Workbook()
    ws = wb.active

    # Row height
    ws.row_dimensions[1].height = 102
    for i in range(2, 2000 + 1):
        ws.row_dimensions[i].height = 42

    # Col width
    ws.column_dimensions['A'].width = 1.5

    ws.column_dimensions['B'].width = 25.0

    for i in range(ord('C'), ord('L')):
        ws.column_dimensions[chr(i)].width = 15.0

    # Font
    name_font = Font(name='Constantia', size=15, bold=True)
    title_font = Font(name='宋体', size=15, bold=True)
    data_font = Font(name='Franklin Gothic Book', size=11)

    table_fill = PatternFill(fill_type='solid', fgColor='1F497D')
    f_border = Border(left=Side(border_style='medium', color='00000000'),
                      right=Side(border_style='medium', color='00000000'),
                      bottom=Side(border_style='medium', color='00000000'),
                      top=Side(border_style='medium', color='00000000')
                      )
    b_border = Border(
        bottom=Side(border_style='medium', color='00000000'),
    )

    b_c_alignment = Alignment(vertical='bottom',
                              horizontal='center',
                              text_rotation=0,
                              wrap_text=True,
                              shrink_to_fit=False,
                              indent=0)
    c_c_alignment = Alignment(vertical='center',
                              horizontal='center',
                              text_rotation=0,
                              wrap_text=True,
                              shrink_to_fit=False,
                              indent=0)
    b_r_alignment = Alignment(vertical='bottom',
                              horizontal='right',
                              text_rotation=0,
                              wrap_text=True,
                              shrink_to_fit=False,
                              indent=0)
    c_r_alignment = Alignment(vertical='bottom',
                              horizontal='center',
                              text_rotation=0,
                              wrap_text=True,
                              shrink_to_fit=False,
                              indent=0)
    # Img
    img = Image("excelexporters/myems.png")
    img.width = img.width * 0.85
    img.height = img.height * 0.85
    # img = Image("myems.png")
    ws.add_image(img, 'B1')

    # Title
    ws.row_dimensions[3].height = 60

    ws['B3'].font = name_font
    ws['B3'].alignment = b_r_alignment
    ws['B3'] = 'Name:'
    ws['C3'].border = b_border
    ws['C3'].alignment = b_c_alignment
    ws['C3'].font = name_font
    ws['C3'] = name

    ws['D3'].font = name_font
    ws['D3'].alignment = b_r_alignment
    ws['D3'] = 'Period:'
    ws['E3'].border = b_border
    ws['E3'].alignment = b_c_alignment
    ws['E3'].font = name_font
    ws['E3'] = period_type

    ws['F3'].font = name_font
    ws['F3'].alignment = b_r_alignment
    ws['F3'] = 'Date:'
    ws['G3'].border = b_border
    ws['G3'].alignment = b_c_alignment
    ws['G3'].font = name_font
    ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local
    ws.merge_cells("G3:H3")

    if "reporting_period" not in report.keys() or \
            "names" not in report['reporting_period'].keys() or len(report['reporting_period']['names']) == 0:
        filename = str(uuid.uuid4()) + '.xlsx'

        wb.save(filename)

        return filename

    ##################################

    current_row_number = 6

    reporting_period_data = report['reporting_period']

    has_names_data_flag = True

    if "names" not in reporting_period_data.keys() or \
            reporting_period_data['names'] is None or \
            len(reporting_period_data['names']) == 0:
        has_names_data_flag = False

    if has_names_data_flag:
        ws['B' + str(current_row_number)].font = title_font
        ws['B' + str(current_row_number)] = name + ' 报告期消耗'

        current_row_number += 1

        category = reporting_period_data['names']
        ca_len = len(category)

        ws.row_dimensions[current_row_number].height = 60
        ws['B' + str(current_row_number)].fill = table_fill
        ws['B' + str(current_row_number)].border = f_border

        col = 'C'

        for i in range(0, ca_len):
            ws[col + str(current_row_number)].fill = table_fill
            ws[col + str(current_row_number)].font = name_font
            ws[col + str(current_row_number)].alignment = c_c_alignment
            ws[col + str(current_row_number)].border = f_border
            ws[col + str(current_row_number)] = \
                reporting_period_data['names'][i] + " " + reporting_period_data['energy_category_names'][i] + \
                " (" + reporting_period_data['units'][i] + ")"

            col = chr(ord(col) + 1)

        current_row_number += 1

        ws['B' + str(current_row_number)].font = title_font
        ws['B' + str(current_row_number)].alignment = c_c_alignment
        ws['B' + str(current_row_number)].border = f_border
        ws['B' + str(current_row_number)] = '消耗'

        col = 'C'

        for i in range(0, ca_len):
            ws[col + str(current_row_number)].font = name_font
            ws[col + str(current_row_number)].alignment = c_c_alignment
            ws[col + str(current_row_number)].border = f_border
            ws[col + str(current_row_number)] = round(reporting_period_data['subtotals'][i], 2)

            col = chr(ord(col) + 1)

        current_row_number += 1

        ws['B' + str(current_row_number)].font = title_font
        ws['B' + str(current_row_number)].alignment = c_c_alignment
        ws['B' + str(current_row_number)].border = f_border
        ws['B' + str(current_row_number)] = '单位面积值'

        col = 'C'

        for i in range(0, ca_len):
            ws[col + str(current_row_number)].font = name_font
            ws[col + str(current_row_number)].alignment = c_c_alignment
            ws[col + str(current_row_number)].border = f_border
            ws[col + str(current_row_number)] = round(reporting_period_data['subtotals_per_unit_area'][i], 2)

            col = chr(ord(col) + 1)

        current_row_number += 1

        ws['B' + str(current_row_number)].font = title_font
        ws['B' + str(current_row_number)].alignment = c_c_alignment
        ws['B' + str(current_row_number)].border = f_border
        ws['B' + str(current_row_number)] = '环比'

        col = 'C'

        for i in range(0, ca_len):
            ws[col + str(current_row_number)].font = name_font
            ws[col + str(current_row_number)].alignment = c_c_alignment
            ws[col + str(current_row_number)].border = f_border
            ws[col + str(current_row_number)] = str(
                round(reporting_period_data['increment_rates'][i] * 100, 2)) + '%' \
                if reporting_period_data['increment_rates'][i] is not None else '-'

            col = chr(ord(col) + 1)

        current_row_number += 2

        category_dict = group_by_category(reporting_period_data['energy_category_names'])

        for category_dict_name, category_dict_values in category_dict.items():

            ws['B' + str(current_row_number)].font = title_font
            ws['B' + str(current_row_number)] = \
                name + ' ' + category_dict_name + ' (' + reporting_period_data['units'][category_dict_values[0]] + \
                ') 分项消耗占比'

            current_row_number += 1
            table_start_row_number = current_row_number

            ws['B' + str(current_row_number)].fill = table_fill
            ws['B' + str(current_row_number)].border = f_border

            ws['C' + str(current_row_number)].font = name_font
            ws['C' + str(current_row_number)].fill = table_fill
            ws['C' + str(current_row_number)].alignment = c_c_alignment
            ws['C' + str(current_row_number)].border = f_border
            ws['C' + str(current_row_number)] = '消耗'

            current_row_number += 1

            for i in category_dict_values:
                ws['B' + str(current_row_number)].font = title_font
                ws['B' + str(current_row_number)].alignment = c_c_alignment
                ws['B' + str(current_row_number)].border = f_border
                ws['B' + str(current_row_number)] = \
                    reporting_period_data['names'][i] + " (" + reporting_period_data['units'][i] + ")"
                ws['C' + str(current_row_number)].font = name_font
                ws['C' + str(current_row_number)].alignment = c_c_alignment
                ws['C' + str(current_row_number)].border = f_border
                ws['C' + str(current_row_number)] = round(reporting_period_data['subtotals'][i], 3)

                current_row_number += 1

            table_end_row_number = current_row_number - 1

            pie = PieChart()
            pie.title = \
                name + ' ' + category_dict_name + ' (' + reporting_period_data['units'][category_dict_values[0]] + \
                ') 分项消耗占比'
            labels = Reference(ws, min_col=2, min_row=table_start_row_number + 1, max_row=table_end_row_number)
            pie_data = Reference(ws, min_col=3, min_row=table_start_row_number, max_row=table_end_row_number)
            pie.add_data(pie_data, titles_from_data=True)
            pie.set_categories(labels)
            pie.height = 6.6
            pie.width = 9
            s1 = pie.series[0]
            s1.dLbls = DataLabelList()
            s1.dLbls.showCatName = False
            s1.dLbls.showVal = True
            s1.dLbls.showPercent = True
            ws.add_chart(pie, 'D' + str(table_start_row_number))

            if len(category_dict_values) < 4:
                current_row_number = current_row_number - len(category_dict_values) + 4

            current_row_number += 1

    #####################################

    has_values_data = True
    has_timestamps_data = True

    if 'values' not in reporting_period_data.keys() or \
            reporting_period_data['values'] is None or \
            len(reporting_period_data['values']) == 0:
        has_values_data = False

    if 'timestamps' not in reporting_period_data.keys() or \
            reporting_period_data['timestamps'] is None or \
            len(reporting_period_data['timestamps']) == 0 or \
            len(reporting_period_data['timestamps'][0]) == 0:
        has_timestamps_data = False

    chart_start_row_number = current_row_number + 1

    if has_values_data and has_timestamps_data:
        ca_len = len(reporting_period_data['names'])
        time = reporting_period_data['timestamps'][0]
        parameters_names_len = len(report['parameters']['names'])
        parameters_parameters_datas_len = 0

        ws['B' + str(current_row_number)].font = title_font
        ws['B' + str(current_row_number)] = name + ' 详细数据'

        for i in range(0, parameters_names_len):
            if len(report['parameters']['timestamps'][i]) == 0:
                continue
            parameters_parameters_datas_len += 1
        current_row_number = current_row_number + (ca_len + parameters_parameters_datas_len) * 6 + 2
        table_start_row_number = current_row_number

        ws.row_dimensions[current_row_number].height = 60
        ws['B' + str(current_row_number)].fill = table_fill
        ws['B' + str(current_row_number)].font = title_font
        ws['B' + str(current_row_number)].alignment = c_c_alignment
        ws['B' + str(current_row_number)].border = f_border
        ws['B' + str(current_row_number)] = '日期时间'

        col = 'C'

        for i in range(0, ca_len):
            ws[col + str(current_row_number)].fill = table_fill
            ws[col + str(current_row_number)].font = title_font
            ws[col + str(current_row_number)].alignment = c_c_alignment
            ws[col + str(current_row_number)].border = f_border
            ws[col + str(current_row_number)] = \
                reporting_period_data['names'][i] + " (" + reporting_period_data['units'][i] + ")"
            col = chr(ord(col) + 1)

        current_row_number += 1

        for i in range(0, len(time)):
            ws['B' + str(current_row_number)].font = title_font
            ws['B' + str(current_row_number)].alignment = c_c_alignment
            ws['B' + str(current_row_number)].border = f_border
            ws['B' + str(current_row_number)] = time[i]

            col = 'C'
            for j in range(0, ca_len):
                ws[col + str(current_row_number)].font = title_font
                ws[col + str(current_row_number)].alignment = c_c_alignment
                ws[col + str(current_row_number)].border = f_border
                ws[col + str(current_row_number)] = round(reporting_period_data['values'][j][i], 2) \
                    if reporting_period_data['values'][j][i] is not None else 0.00
                col = chr(ord(col) + 1)

            current_row_number += 1

        table_end_row_number = current_row_number - 1

        ws['B' + str(current_row_number)].font = title_font
        ws['B' + str(current_row_number)].alignment = c_c_alignment
        ws['B' + str(current_row_number)].border = f_border
        ws['B' + str(current_row_number)] = '小计'

        col = 'C'

        for i in range(0, ca_len):
            ws[col + str(current_row_number)].font = title_font
            ws[col + str(current_row_number)].alignment = c_c_alignment
            ws[col + str(current_row_number)].border = f_border
            ws[col + str(current_row_number)] = round(reporting_period_data['subtotals'][i], 2)
            col = chr(ord(col) + 1)

        current_row_number += 2

        format_time_width_number = 1.0
        min_len_number = 1.0
        min_width_number = 11.0  # format_time_width_number * min_len_number + 4 and min_width_number > 11.0

        if period_type == 'hourly':
            format_time_width_number = 4.0
            min_len_number = 2
            min_width_number = 12.0
        elif period_type == 'daily':
            format_time_width_number = 2.5
            min_len_number = 4
            min_width_number = 14.0
        elif period_type == 'monthly':
            format_time_width_number = 2.1
            min_len_number = 4
            min_width_number = 12.4
        elif period_type == 'yearly':
            format_time_width_number = 1.5
            min_len_number = 5
            min_width_number = 11.5

        for i in range(0, ca_len):
            line = LineChart()
            line.title = '报告期消耗 - ' + \
                         reporting_period_data['names'][i] + " (" + reporting_period_data['units'][i] + ")"
            labels = Reference(ws, min_col=2, min_row=table_start_row_number + 1, max_row=table_end_row_number)
            line_data = Reference(ws, min_col=3 + i, min_row=table_start_row_number, max_row=table_end_row_number)
            line.add_data(line_data, titles_from_data=True)
            line.set_categories(labels)
            line_data = line.series[0]
            line_data.marker.symbol = "circle"
            line_data.smooth = True
            line.x_axis.crosses = 'min'
            line.height = 8.25
            line.width = format_time_width_number * len(time) if len(time) > min_len_number else min_width_number
            if line.width > 24:
                line.width = 24
            line.dLbls = DataLabelList()
            line.dLbls.dLblPos = 't'
            line.dLbls.showVal = True
            line.dLbls.showPercent = False
            chart_col = 'B'
            chart_cell = chart_col + str(chart_start_row_number + 6 * i)
            ws.add_chart(line, chart_cell)

    ##########################################
    has_parameters_names_and_timestamps_and_values_data = True

    ca_len = len(report['reporting_period']['names'])
    current_sheet_parameters_row_number = chart_start_row_number + ca_len * 6
    if 'parameters' not in report.keys() or \
            report['parameters'] is None or \
            'names' not in report['parameters'].keys() or \
            report['parameters']['names'] is None or \
            len(report['parameters']['names']) == 0 or \
            'timestamps' not in report['parameters'].keys() or \
            report['parameters']['timestamps'] is None or \
            len(report['parameters']['timestamps']) == 0 or \
            'values' not in report['parameters'].keys() or \
            report['parameters']['values'] is None or \
            len(report['parameters']['values']) == 0 or \
            timestamps_data_all_equal_0(report['parameters']['timestamps']):
        has_parameters_names_and_timestamps_and_values_data = False
    if has_parameters_names_and_timestamps_and_values_data:

        ###############################
        # new worksheet
        ###############################

        parameters_data = report['parameters']

        parameters_names_len = len(parameters_data['names'])

        parameters_ws = wb.create_sheet('相关参数')

        parameters_timestamps_data_max_len = \
            get_parameters_timestamps_lists_max_len(list(parameters_data['timestamps']))

        # Row height
        parameters_ws.row_dimensions[1].height = 102
        for i in range(2, 7 + 1):
            parameters_ws.row_dimensions[i].height = 42

        for i in range(8, parameters_timestamps_data_max_len + 10):
            parameters_ws.row_dimensions[i].height = 60

        # Col width
        parameters_ws.column_dimensions['A'].width = 1.5

        parameters_ws.column_dimensions['B'].width = 25.0

        for i in range(3, 12 + parameters_names_len * 3):
            parameters_ws.column_dimensions[format_cell.get_column_letter(i)].width = 15.0

        # Img
        img = Image("excelexporters/myems.png")
        img.width = img.width * 0.85
        img.height = img.height * 0.85
        # img = Image("myems.png")
        parameters_ws.add_image(img, 'B1')

        # Title
        parameters_ws.row_dimensions[3].height = 60

        parameters_ws['B3'].font = name_font
        parameters_ws['B3'].alignment = b_r_alignment
        parameters_ws['B3'] = 'Name:'
        parameters_ws['C3'].border = b_border
        parameters_ws['C3'].alignment = b_c_alignment
        parameters_ws['C3'].font = name_font
        parameters_ws['C3'] = name

        parameters_ws['D3'].font = name_font
        parameters_ws['D3'].alignment = b_r_alignment
        parameters_ws['D3'] = 'Period:'
        parameters_ws['E3'].border = b_border
        parameters_ws['E3'].alignment = b_c_alignment
        parameters_ws['E3'].font = name_font
        parameters_ws['E3'] = period_type

        parameters_ws['F3'].font = name_font
        parameters_ws['F3'].alignment = b_r_alignment
        parameters_ws['F3'] = 'Date:'
        parameters_ws['G3'].border = b_border
        parameters_ws['G3'].alignment = b_c_alignment
        parameters_ws['G3'].font = name_font
        parameters_ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local
        parameters_ws.merge_cells("G3:H3")

        parameters_ws_current_row_number = 6

        parameters_ws['B' + str(parameters_ws_current_row_number)].font = title_font
        parameters_ws['B' + str(parameters_ws_current_row_number)] = name + ' 相关参数'

        parameters_ws_current_row_number += 1

        parameters_table_start_row_number = parameters_ws_current_row_number

        parameters_ws.row_dimensions[parameters_ws_current_row_number].height = 80

        parameters_ws_current_row_number += 1

        table_current_col_number = 'B'

        for i in range(0, parameters_names_len):

            if len(parameters_data['timestamps'][i]) == 0:
                continue

            parameters_ws[table_current_col_number + str(parameters_ws_current_row_number - 1)].fill = table_fill
            parameters_ws[table_current_col_number + str(parameters_ws_current_row_number - 1)].border = f_border

            col = decimal_to_column(column_to_decimal(table_current_col_number) + 1)

            parameters_ws[col + str(parameters_ws_current_row_number - 1)].fill = table_fill
            parameters_ws[col + str(parameters_ws_current_row_number - 1)].border = f_border
            parameters_ws[col + str(parameters_ws_current_row_number - 1)].font = name_font
            parameters_ws[col + str(parameters_ws_current_row_number - 1)].alignment = c_c_alignment
            parameters_ws[col + str(parameters_ws_current_row_number - 1)] = parameters_data['names'][i]

            table_current_row_number = parameters_ws_current_row_number

            for j, value in enumerate(list(parameters_data['timestamps'][i])):
                col = table_current_col_number

                parameters_ws[col + str(table_current_row_number)].border = f_border
                parameters_ws[col + str(table_current_row_number)].font = title_font
                parameters_ws[col + str(table_current_row_number)].alignment = c_c_alignment
                parameters_ws[col + str(table_current_row_number)] = value

                col = decimal_to_column(column_to_decimal(col) + 1)

                parameters_ws[col + str(table_current_row_number)].border = f_border
                parameters_ws[col + str(table_current_row_number)].font = title_font
                parameters_ws[col + str(table_current_row_number)].alignment = c_c_alignment
                parameters_ws[col + str(table_current_row_number)] = round(parameters_data['values'][i][j], 2)

                table_current_row_number += 1

            table_current_col_number = decimal_to_column(column_to_decimal(table_current_col_number) + 3)

        ########################################################
        # parameters chart and parameters table
        ########################################################

        ws['B' + str(current_sheet_parameters_row_number)].font = title_font
        ws['B' + str(current_sheet_parameters_row_number)] = name + ' 相关参数'

        current_sheet_parameters_row_number += 1

        chart_start_row_number = current_sheet_parameters_row_number

        col_index = 0

        for i in range(0, parameters_names_len):

            if len(parameters_data['timestamps'][i]) == 0:
                continue

            line = LineChart()
            data_col = 3 + col_index * 3
            labels_col = 2 + col_index * 3
            col_index += 1
            line.title = '相关参数 - ' + \
                         parameters_ws.cell(row=parameters_table_start_row_number, column=data_col).value
            labels = Reference(parameters_ws, min_col=labels_col, min_row=parameters_table_start_row_number + 1,
                               max_row=(len(parameters_data['timestamps'][i]) + parameters_table_start_row_number))
            line_data = Reference(parameters_ws, min_col=data_col, min_row=parameters_table_start_row_number,
                                  max_row=(len(parameters_data['timestamps'][i]) + parameters_table_start_row_number))
            line.add_data(line_data, titles_from_data=True)
            line.set_categories(labels)
            line_data = line.series[0]
            line_data.marker.symbol = "circle"
            line_data.smooth = True
            line.x_axis.crosses = 'min'
            line.height = 8.25
            line.width = 24
            line.dLbls = DataLabelList()
            line.dLbls.dLblPos = 't'
            line.dLbls.showVal = False
            line.dLbls.showPercent = False
            chart_col = 'B'
            chart_cell = chart_col + str(chart_start_row_number)
            chart_start_row_number += 6
            ws.add_chart(line, chart_cell)

        current_sheet_parameters_row_number = chart_start_row_number

        current_sheet_parameters_row_number += 1

    filename = str(uuid.uuid4()) + '.xlsx'
    wb.save(filename)

    return filename


def group_by_category(category_list):
    category_dict = dict()
    for i, value in enumerate(category_list):
        if value not in category_dict.keys():
            category_dict[value] = list()
        category_dict[value].append(i)
    return category_dict

MyEMS / myems

Push — master ( e2d795...875b92 )

generate_excel() F

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