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import base64 |
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import uuid |
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import os |
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from openpyxl.chart import ( |
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PieChart, |
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LineChart, |
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BarChart, |
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Reference, |
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) |
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from openpyxl.styles import PatternFill, Border, Side, Alignment, Font |
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from openpyxl.drawing.image import Image |
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from openpyxl import Workbook |
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from openpyxl.chart.label import DataLabelList |
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import openpyxl.utils.cell as format_cell |
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#################################################################################################################### |
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# PROCEDURES |
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# Step 1: Validate the report data |
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# Step 2: Generate excel file |
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# Step 3: Encode the excel file bytes to Base64 |
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#################################################################################################################### |
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View Code Duplication |
def export(result, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type): |
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#################################################################################################################### |
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# Step 1: Validate the report data |
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#################################################################################################################### |
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if result is None: |
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return None |
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#################################################################################################################### |
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# Step 2: Generate excel file from the report data |
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#################################################################################################################### |
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filename = generate_excel(result, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type) |
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#################################################################################################################### |
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# Step 3: Encode the excel file to Base64 |
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#################################################################################################################### |
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try: |
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with open(filename, 'rb') as binary_file: |
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binary_file_data = binary_file.read() |
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except IOError as ex: |
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pass |
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# Base64 encode the bytes |
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base64_encoded_data = base64.b64encode(binary_file_data) |
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# get the Base64 encoded data using human-readable characters. |
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base64_message = base64_encoded_data.decode('utf-8') |
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# delete the file from server |
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try: |
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os.remove(filename) |
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except NotImplementedError as ex: |
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pass |
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return base64_message |
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def timestamps_data_all_equal_0(lists): |
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for i, value in enumerate(list(lists)): |
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if len(value) > 0: |
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return False |
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return True |
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def get_parameters_timestamps_lists_max_len(parameters_timestamps_lists): |
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max_len = 0 |
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for i, value in enumerate(list(parameters_timestamps_lists)): |
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if len(value) > max_len: |
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max_len = len(value) |
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return max_len |
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def timestamps_data_not_equal_0(lists): |
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number = 0 |
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for i, value in enumerate(list(lists)): |
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if len(value) > 0: |
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number += 1 |
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return number |
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View Code Duplication |
def decimal_to_column(num=65): |
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string = '' |
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num = num - 64 |
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# The column number is not greater than 90 |
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if num <= 26: |
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return chr(num+64) |
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# The column number is greater than 90 |
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while num // 26 > 0: |
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if num % 26 == 0: |
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string += 'Z' |
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num = num // 26 - 1 |
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else: |
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string += chr(num % 26 + 64) |
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num //= 26 |
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# Avoid conversion errors that might occur between 741 and 766 |
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if num > 0: |
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string += chr(num + 64) |
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return string[::-1] |
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def column_to_decimal(string='A'): |
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num = 0 |
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for index, key in enumerate(string[::-1]): |
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num += (ord(key) - 64) * (26 ** index) |
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return num + 64 |
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def generate_excel(report, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type): |
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wb = Workbook() |
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ws = wb.active |
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# Row height |
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ws.row_dimensions[1].height = 102 |
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for i in range(2, 5 + 1): |
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ws.row_dimensions[i].height = 42 |
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# for i in range(2, 6 + 1): |
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# ws.row_dimensions[i].height = 30 |
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# Col width |
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ws.column_dimensions['A'].width = 1.5 |
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ws.column_dimensions['B'].width = 25.0 |
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for i in range(ord('C'), ord('V')): |
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ws.column_dimensions[chr(i)].width = 15.0 |
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# Font |
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name_font = Font(name='Constantia', size=15, bold=True) |
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title_font = Font(name='宋体', size=15, bold=True) |
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data_font = Font(name='Franklin Gothic Book', size=11) |
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table_fill = PatternFill(fill_type='solid', fgColor='1F497D') |
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f_border = Border(left=Side(border_style='medium', color='00000000'), |
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right=Side(border_style='medium', color='00000000'), |
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bottom=Side(border_style='medium', color='00000000'), |
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top=Side(border_style='medium', color='00000000') |
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) |
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b_border = Border( |
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bottom=Side(border_style='medium', color='00000000'), |
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) |
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b_c_alignment = Alignment(vertical='bottom', |
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horizontal='center', |
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text_rotation=0, |
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wrap_text=True, |
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shrink_to_fit=False, |
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indent=0) |
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c_c_alignment = Alignment(vertical='center', |
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horizontal='center', |
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text_rotation=0, |
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wrap_text=True, |
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shrink_to_fit=False, |
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indent=0) |
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b_r_alignment = Alignment(vertical='bottom', |
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horizontal='right', |
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text_rotation=0, |
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wrap_text=True, |
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shrink_to_fit=False, |
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indent=0) |
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c_r_alignment = Alignment(vertical='bottom', |
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horizontal='center', |
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text_rotation=0, |
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wrap_text=True, |
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shrink_to_fit=False, |
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indent=0) |
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# Img |
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img = Image("excelexporters/myems.png") |
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img.width = img.width * 0.85 |
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img.height = img.height * 0.85 |
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# img = Image("myems.png") |
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ws.add_image(img, 'B1') |
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# Title |
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ws.row_dimensions[3].height = 60 |
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ws['B3'].font = name_font |
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ws['B3'].alignment = b_r_alignment |
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ws['B3'] = 'Name:' |
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ws['C3'].border = b_border |
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ws['C3'].alignment = b_c_alignment |
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ws['C3'].font = name_font |
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ws['C3'] = name |
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ws['F3'].font = name_font |
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ws['F3'].alignment = b_r_alignment |
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ws['F3'] = 'Date:' |
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ws['G3'].border = b_border |
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ws['G3'].alignment = b_c_alignment |
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ws['G3'].font = name_font |
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ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local |
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ws.merge_cells("G3:H3") |
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if "reporting_period" not in report.keys() or \ |
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"names" not in report['reporting_period'].keys() or len(report['reporting_period']['names']) == 0: |
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filename = str(uuid.uuid4()) + '.xlsx' |
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wb.save(filename) |
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return filename |
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################################################ |
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# First: 趋势 |
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# 6: title |
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# 7: table title |
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# 8~ table_data |
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################################################ |
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has_data_flag = True |
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reporting_period_data = report['reporting_period'] |
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if "names" not in reporting_period_data.keys() or \ |
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reporting_period_data['names'] is None or \ |
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len(reporting_period_data['names']) == 0: |
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has_data_flag = False |
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if "timestamps" not in reporting_period_data.keys() or \ |
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reporting_period_data['timestamps'] is None or \ |
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len(reporting_period_data['timestamps']) == 0: |
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has_data_flag = False |
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if "values" not in reporting_period_data.keys() or \ |
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reporting_period_data['values'] is None or \ |
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len(reporting_period_data['values']) == 0: |
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has_data_flag = False |
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ca = reporting_period_data['names'] |
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ca_len = len(ca) |
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temp_max_row = 0 |
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times = reporting_period_data['timestamps'] |
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category = report['meter']['energy_category_name'] |
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if has_data_flag: |
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ws['B6'].font = title_font |
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ws['B6'] = name + ' 趋势' |
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ws.row_dimensions[7].height = 60 |
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ws['B7'].fill = table_fill |
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ws['B7'].font = title_font |
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ws['B7'].border = f_border |
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ws['B7'].alignment = c_c_alignment |
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ws['B7'] = '日期时间' |
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time = times[0] |
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for time in times: |
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if len(time) > 0: |
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break |
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has_data = False |
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max_row = 0 |
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current_sheet_parameters_row_number = 10 |
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if len(time) > 0: |
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has_data = True |
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max_row = 8 + len(time) |
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# print("max_row", max_row) |
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temp_max_row = max_row |
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current_sheet_parameters_row_number = 2 + ca_len * 6 + temp_max_row |
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if has_data: |
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for i in range(0, len(time)): |
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col = 'B' |
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row = str(8 + i) |
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# col = chr(ord('B') + i) |
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ws[col + row].font = title_font |
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ws[col + row].alignment = c_c_alignment |
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ws[col + row] = time[i] |
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ws[col + row].border = f_border |
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for i in range(0, ca_len): |
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# 38 title |
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col = chr(ord('C') + i) |
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ws[col + '7'].fill = table_fill |
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ws[col + '7'].font = title_font |
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ws[col + '7'].alignment = c_c_alignment |
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ws[col + '7'] = reporting_period_data['names'][i] |
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ws[col + '7'].border = f_border |
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for j in range(0, len(time)): |
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row = str(8 + j) |
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# col = chr(ord('B') + i) |
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ws[col + row].font = title_font |
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ws[col + row].alignment = c_c_alignment |
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ws[col + row] = round(reporting_period_data['values'][i][j], 3) if \ |
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len(reporting_period_data['values'][i]) > 0 is not None and \ |
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reporting_period_data['values'][i][j] is not None else " " |
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ws[col + row].border = f_border |
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# line |
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# 39~: line |
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line = LineChart() |
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line.title = '趋势值 - ' + reporting_period_data['names'][i] |
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labels = Reference(ws, min_col=2, min_row=8, max_row=max_row-1) |
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line_data = Reference(ws, min_col=3 + i, min_row=7, max_row=max_row-1) |
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line.add_data(line_data, titles_from_data=True) |
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line.set_categories(labels) |
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# line_data = line.series[0] |
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# line_data.marker.symbol = "circle" |
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line_data.smooth = True |
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line.x_axis.crosses = 'min' |
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line.height = 8.25 # cm 1.05*5 1.05cm = 30 pt |
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line.width = 36 |
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310
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# pie.title = "Pies sold by category" |
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311
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line.dLbls = DataLabelList() |
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312
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# line.dLbls.showCatName = True # label show |
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313
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line.dLbls.dLblPos = 't' |
|
314
|
|
|
line.dLbls.showVal = False # val show |
|
315
|
|
|
line.dLbls.showPercent = False # percent show |
|
316
|
|
|
# s1 = CharacterProperties(sz=1800) # font size *100 |
|
317
|
|
|
chart_col = chr(ord('B')) |
|
318
|
|
|
chart_cell = chart_col + str(max_row + 2 + 6*i) |
|
319
|
|
|
|
|
320
|
|
|
ws.add_chart(line, chart_cell) |
|
321
|
|
|
else: |
|
322
|
|
|
pass |
|
323
|
|
|
|
|
324
|
|
|
for i in range(8, temp_max_row + 1 + 1 + + ca_len * 6 + len(category) * 6 + 2): |
|
325
|
|
|
ws.row_dimensions[i].height = 42 |
|
326
|
|
|
|
|
327
|
|
|
########################################## |
|
328
|
|
|
has_parameters_names_and_timestamps_and_values_data = True |
|
329
|
|
|
# 12 is the starting line number of the last line chart in the report period |
|
330
|
|
|
|
|
331
|
|
|
if 'parameters' not in report.keys() or \ |
|
332
|
|
|
report['parameters'] is None or \ |
|
333
|
|
|
'names' not in report['parameters'].keys() or \ |
|
334
|
|
|
report['parameters']['names'] is None or \ |
|
335
|
|
|
len(report['parameters']['names']) == 0 or \ |
|
336
|
|
|
'timestamps' not in report['parameters'].keys() or \ |
|
337
|
|
|
report['parameters']['timestamps'] is None or \ |
|
338
|
|
|
len(report['parameters']['timestamps']) == 0 or \ |
|
339
|
|
|
'values' not in report['parameters'].keys() or \ |
|
340
|
|
|
report['parameters']['values'] is None or \ |
|
341
|
|
|
len(report['parameters']['values']) == 0 or \ |
|
342
|
|
|
timestamps_data_all_equal_0(report['parameters']['timestamps']): |
|
343
|
|
|
has_parameters_names_and_timestamps_and_values_data = False |
|
344
|
|
|
if has_parameters_names_and_timestamps_and_values_data: |
|
345
|
|
|
|
|
346
|
|
|
############################### |
|
347
|
|
|
# new worksheet |
|
348
|
|
|
############################### |
|
349
|
|
|
|
|
350
|
|
|
parameters_data = report['parameters'] |
|
351
|
|
|
|
|
352
|
|
|
parameters_names_len = len(parameters_data['names']) |
|
353
|
|
|
|
|
354
|
|
|
parameters_ws = wb.create_sheet('相关参数') |
|
355
|
|
|
|
|
356
|
|
|
parameters_timestamps_data_max_len = \ |
|
357
|
|
|
get_parameters_timestamps_lists_max_len(list(parameters_data['timestamps'])) |
|
358
|
|
|
|
|
359
|
|
|
# Row height |
|
360
|
|
|
parameters_ws.row_dimensions[1].height = 102 |
|
361
|
|
|
for i in range(2, 7 + 1): |
|
362
|
|
|
parameters_ws.row_dimensions[i].height = 42 |
|
363
|
|
|
|
|
364
|
|
|
for i in range(8, parameters_timestamps_data_max_len + 10): |
|
365
|
|
|
parameters_ws.row_dimensions[i].height = 60 |
|
366
|
|
|
|
|
367
|
|
|
# Col width |
|
368
|
|
|
parameters_ws.column_dimensions['A'].width = 1.5 |
|
369
|
|
|
|
|
370
|
|
|
parameters_ws.column_dimensions['B'].width = 25.0 |
|
371
|
|
|
|
|
372
|
|
|
for i in range(3, 12 + parameters_names_len * 3): |
|
373
|
|
|
parameters_ws.column_dimensions[format_cell.get_column_letter(i)].width = 15.0 |
|
374
|
|
|
|
|
375
|
|
|
# Img |
|
376
|
|
|
img = Image("excelexporters/myems.png") |
|
377
|
|
|
img.width = img.width * 0.85 |
|
378
|
|
|
img.height = img.height * 0.85 |
|
379
|
|
|
# img = Image("myems.png") |
|
380
|
|
|
parameters_ws.add_image(img, 'B1') |
|
381
|
|
|
|
|
382
|
|
|
# Title |
|
383
|
|
|
parameters_ws.row_dimensions[3].height = 60 |
|
384
|
|
|
|
|
385
|
|
|
parameters_ws['B3'].font = name_font |
|
386
|
|
|
parameters_ws['B3'].alignment = b_r_alignment |
|
387
|
|
|
parameters_ws['B3'] = 'Name:' |
|
388
|
|
|
parameters_ws['C3'].border = b_border |
|
389
|
|
|
parameters_ws['C3'].alignment = b_c_alignment |
|
390
|
|
|
parameters_ws['C3'].font = name_font |
|
391
|
|
|
parameters_ws['C3'] = name |
|
392
|
|
|
|
|
393
|
|
|
parameters_ws['F3'].font = name_font |
|
394
|
|
|
parameters_ws['F3'].alignment = b_r_alignment |
|
395
|
|
|
parameters_ws['F3'] = 'Date:' |
|
396
|
|
|
parameters_ws['G3'].border = b_border |
|
397
|
|
|
parameters_ws['G3'].alignment = b_c_alignment |
|
398
|
|
|
parameters_ws['G3'].font = name_font |
|
399
|
|
|
parameters_ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local |
|
400
|
|
|
parameters_ws.merge_cells("G3:H3") |
|
401
|
|
|
|
|
402
|
|
|
parameters_ws_current_row_number = 6 |
|
403
|
|
|
|
|
404
|
|
|
parameters_ws['B' + str(parameters_ws_current_row_number)].font = title_font |
|
405
|
|
|
parameters_ws['B' + str(parameters_ws_current_row_number)] = name + ' 相关参数' |
|
406
|
|
|
|
|
407
|
|
|
parameters_ws_current_row_number += 1 |
|
408
|
|
|
|
|
409
|
|
|
parameters_table_start_row_number = parameters_ws_current_row_number |
|
410
|
|
|
|
|
411
|
|
|
parameters_ws.row_dimensions[parameters_ws_current_row_number].height = 80 |
|
412
|
|
|
|
|
413
|
|
|
parameters_ws_current_row_number += 1 |
|
414
|
|
|
|
|
415
|
|
|
table_current_col_number = 'B' |
|
416
|
|
|
|
|
417
|
|
|
for i in range(0, parameters_names_len): |
|
418
|
|
|
|
|
419
|
|
|
if len(parameters_data['timestamps'][i]) == 0: |
|
420
|
|
|
continue |
|
421
|
|
|
|
|
422
|
|
|
parameters_ws[table_current_col_number + str(parameters_ws_current_row_number - 1)].fill = table_fill |
|
423
|
|
|
parameters_ws[table_current_col_number + str(parameters_ws_current_row_number - 1)].border = f_border |
|
424
|
|
|
|
|
425
|
|
|
col = decimal_to_column(column_to_decimal(table_current_col_number) + 1) |
|
426
|
|
|
|
|
427
|
|
|
parameters_ws[col + str(parameters_ws_current_row_number - 1)].fill = table_fill |
|
428
|
|
|
parameters_ws[col + str(parameters_ws_current_row_number - 1)].border = f_border |
|
429
|
|
|
parameters_ws[col + str(parameters_ws_current_row_number - 1)].font = name_font |
|
430
|
|
|
parameters_ws[col + str(parameters_ws_current_row_number - 1)].alignment = c_c_alignment |
|
431
|
|
|
parameters_ws[col + str(parameters_ws_current_row_number - 1)] = parameters_data['names'][i] |
|
432
|
|
|
|
|
433
|
|
|
table_current_row_number = parameters_ws_current_row_number |
|
434
|
|
|
|
|
435
|
|
|
for j, value in enumerate(list(parameters_data['timestamps'][i])): |
|
436
|
|
|
col = table_current_col_number |
|
437
|
|
|
|
|
438
|
|
|
parameters_ws[col + str(table_current_row_number)].border = f_border |
|
439
|
|
|
parameters_ws[col + str(table_current_row_number)].font = title_font |
|
440
|
|
|
parameters_ws[col + str(table_current_row_number)].alignment = c_c_alignment |
|
441
|
|
|
parameters_ws[col + str(table_current_row_number)] = value |
|
442
|
|
|
|
|
443
|
|
|
col = decimal_to_column(column_to_decimal(col) + 1) |
|
444
|
|
|
|
|
445
|
|
|
parameters_ws[col + str(table_current_row_number)].border = f_border |
|
446
|
|
|
parameters_ws[col + str(table_current_row_number)].font = title_font |
|
447
|
|
|
parameters_ws[col + str(table_current_row_number)].alignment = c_c_alignment |
|
448
|
|
|
parameters_ws[col + str(table_current_row_number)] = round(parameters_data['values'][i][j], 2) |
|
449
|
|
|
|
|
450
|
|
|
table_current_row_number += 1 |
|
451
|
|
|
|
|
452
|
|
|
table_current_col_number = decimal_to_column(column_to_decimal(table_current_col_number) + 3) |
|
453
|
|
|
|
|
454
|
|
|
######################################################## |
|
455
|
|
|
# parameters chart and parameters table |
|
456
|
|
|
######################################################## |
|
457
|
|
|
|
|
458
|
|
|
ws['B' + str(current_sheet_parameters_row_number)].font = title_font |
|
|
|
|
|
|
459
|
|
|
ws['B' + str(current_sheet_parameters_row_number)] = name + ' 相关参数' |
|
460
|
|
|
|
|
461
|
|
|
current_sheet_parameters_row_number += 1 |
|
462
|
|
|
|
|
463
|
|
|
chart_start_row_number = current_sheet_parameters_row_number |
|
464
|
|
|
|
|
465
|
|
|
col_index = 0 |
|
466
|
|
|
|
|
467
|
|
|
for i in range(0, parameters_names_len): |
|
468
|
|
|
|
|
469
|
|
|
if len(parameters_data['timestamps'][i]) == 0: |
|
470
|
|
|
continue |
|
471
|
|
|
|
|
472
|
|
|
line = LineChart() |
|
473
|
|
|
data_col = 3 + col_index * 3 |
|
474
|
|
|
labels_col = 2 + col_index * 3 |
|
475
|
|
|
col_index += 1 |
|
476
|
|
|
line.title = '相关参数 - ' + \ |
|
477
|
|
|
parameters_ws.cell(row=parameters_table_start_row_number, column=data_col).value |
|
478
|
|
|
labels = Reference(parameters_ws, min_col=labels_col, min_row=parameters_table_start_row_number + 1, |
|
479
|
|
|
max_row=(len(parameters_data['timestamps'][i]) + parameters_table_start_row_number)) |
|
480
|
|
|
line_data = Reference(parameters_ws, min_col=data_col, min_row=parameters_table_start_row_number, |
|
481
|
|
|
max_row=(len(parameters_data['timestamps'][i]) + parameters_table_start_row_number)) |
|
482
|
|
|
line.add_data(line_data, titles_from_data=True) |
|
483
|
|
|
line.set_categories(labels) |
|
484
|
|
|
line_data = line.series[0] |
|
485
|
|
|
line_data.marker.symbol = "circle" |
|
486
|
|
|
line_data.smooth = True |
|
487
|
|
|
line.x_axis.crosses = 'min' |
|
488
|
|
|
line.height = 8.25 |
|
489
|
|
|
line.width = 24 |
|
490
|
|
|
line.dLbls = DataLabelList() |
|
491
|
|
|
line.dLbls.dLblPos = 't' |
|
492
|
|
|
line.dLbls.showVal = False |
|
493
|
|
|
line.dLbls.showPercent = False |
|
494
|
|
|
chart_col = 'B' |
|
495
|
|
|
chart_cell = chart_col + str(chart_start_row_number) |
|
496
|
|
|
chart_start_row_number += 6 |
|
497
|
|
|
ws.add_chart(line, chart_cell) |
|
498
|
|
|
|
|
499
|
|
|
current_sheet_parameters_row_number = chart_start_row_number |
|
500
|
|
|
|
|
501
|
|
|
current_sheet_parameters_row_number += 1 |
|
502
|
|
|
|
|
503
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
|
504
|
|
|
wb.save(filename) |
|
505
|
|
|
|
|
506
|
|
|
return filename |
|
507
|
|
|
|
MyEMS /
myems
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