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274 lines
12 KiB
274 lines
12 KiB
# Copyright 2019 Ecosoft Co., Ltd (http://ecosoft.co.th/)
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# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html)
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import os
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import logging
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import base64
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from io import BytesIO
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import time
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from datetime import date, datetime as dt
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from odoo.tools.float_utils import float_compare
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from odoo import models, fields, api, _
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from odoo.tools.safe_eval import safe_eval
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from odoo.exceptions import ValidationError
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from . import common as co
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_logger = logging.getLogger(__name__)
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try:
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from openpyxl import load_workbook
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from openpyxl.utils.exceptions import IllegalCharacterError
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except ImportError:
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_logger.debug(
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'Cannot import "openpyxl". Please make sure it is installed.')
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class XLSXExport(models.AbstractModel):
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_name = 'xlsx.export'
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_description = 'Excel Export AbstractModel'
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@api.model
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def get_eval_context(self, model, record, value):
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eval_context = {'float_compare': float_compare,
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'time': time,
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'datetime': dt,
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'date': date,
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'value': value,
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'object': record,
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'model': self.env[model],
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'env': self.env,
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'context': self._context,
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}
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return eval_context
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@api.model
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def _get_line_vals(self, record, line_field, fields):
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""" Get values of this field from record set and return as dict of vals
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- record: main object
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- line_field: rows object, i.e., line_ids
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- fields: fields in line_ids, i.e., partner_id.display_name
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"""
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line_field, max_row = co.get_line_max(line_field)
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line_field = line_field.replace('_CONT_', '') # Remove _CONT_ if any
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lines = record[line_field]
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if max_row > 0 and len(lines) > max_row:
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raise Exception(
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_('Records in %s exceed max records allowed') % line_field)
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vals = dict([(field, []) for field in fields]) # value and do_style
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# Get field condition & aggre function
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field_cond_dict = {}
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aggre_func_dict = {}
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field_style_dict = {}
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style_cond_dict = {}
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pair_fields = [] # I.e., ('debit${value and . or .}@{sum}', 'debit')
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for field in fields:
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temp_field, eval_cond = co.get_field_condition(field)
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eval_cond = eval_cond or 'value or ""'
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temp_field, field_style = co.get_field_style(temp_field)
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temp_field, style_cond = co.get_field_style_cond(temp_field)
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raw_field, aggre_func = co.get_field_aggregation(temp_field)
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# Dict of all special conditions
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field_cond_dict.update({field: eval_cond})
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aggre_func_dict.update({field: aggre_func})
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field_style_dict.update({field: field_style})
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style_cond_dict.update({field: style_cond})
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# --
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pair_fields.append((field, raw_field))
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for line in lines:
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for field in pair_fields: # (field, raw_field)
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value = self._get_field_data(field[1], line)
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eval_cond = field_cond_dict[field[0]]
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eval_context = \
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self.get_eval_context(line._name, line, value)
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if eval_cond:
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value = safe_eval(eval_cond, eval_context)
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# style w/Cond takes priority
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style_cond = style_cond_dict[field[0]]
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style = self._eval_style_cond(line._name, line,
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value, style_cond)
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if style is None:
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style = False # No style
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elif style is False:
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style = field_style_dict[field[0]] # Use default style
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vals[field[0]].append((value, style))
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return (vals, aggre_func_dict,)
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@api.model
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def _eval_style_cond(self, model, record, value, style_cond):
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eval_context = self.get_eval_context(model, record, value)
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field = style_cond = style_cond or '#??'
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styles = {}
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for i in range(style_cond.count('#{')):
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i += 1
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field, style = co.get_field_style(field)
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styles.update({i: style})
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style_cond = style_cond.replace('#{%s}' % style, str(i))
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if not styles:
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return False
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res = safe_eval(style_cond, eval_context)
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if res is None or res is False:
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return res
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return styles[res]
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@api.model
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def _fill_workbook_data(self, workbook, record, data_dict):
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""" Fill data from record with style in data_dict to workbook """
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if not record or not data_dict:
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return
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try:
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for sheet_name in data_dict:
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ws = data_dict[sheet_name]
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st = False
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if isinstance(sheet_name, str):
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st = co.openpyxl_get_sheet_by_name(workbook, sheet_name)
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elif isinstance(sheet_name, int):
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if sheet_name > len(workbook.worksheets):
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raise Exception(_('Not enough worksheets'))
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st = workbook.worksheets[sheet_name - 1]
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if not st:
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raise ValidationError(
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_('Sheet %s not found') % sheet_name)
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# Fill data, header and rows
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self._fill_head(ws, st, record)
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self._fill_lines(ws, st, record)
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except KeyError as e:
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raise ValidationError(_('Key Error\n%s') % e)
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except IllegalCharacterError as e:
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raise ValidationError(
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_('IllegalCharacterError\n'
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'Some exporting data contain special character\n%s') % e)
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except Exception as e:
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raise ValidationError(
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_('Error filling data into Excel sheets\n%s') % e)
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@api.model
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def _get_field_data(self, _field, _line):
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""" Get field data, and convert data type if needed """
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if not _field:
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return None
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line_copy = _line
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for f in _field.split('.'):
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line_copy = line_copy[f]
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if isinstance(line_copy, str):
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line_copy = line_copy.encode('utf-8')
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return line_copy
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@api.model
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def _fill_head(self, ws, st, record):
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for rc, field in ws.get('_HEAD_', {}).items():
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tmp_field, eval_cond = co.get_field_condition(field)
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eval_cond = eval_cond or 'value or ""'
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tmp_field, field_style = co.get_field_style(tmp_field)
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tmp_field, style_cond = co.get_field_style_cond(tmp_field)
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value = tmp_field and self._get_field_data(tmp_field, record)
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# Eval
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eval_context = self.get_eval_context(record._name,
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record, value)
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if eval_cond:
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value = safe_eval(eval_cond, eval_context)
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if value is not None:
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st[rc] = value
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fc = not style_cond and True or \
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safe_eval(style_cond, eval_context)
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if field_style and fc: # has style and pass style_cond
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styles = self.env['xlsx.styles'].get_openpyxl_styles()
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co.fill_cell_style(st[rc], field_style, styles)
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@api.model
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def _fill_lines(self, ws, st, record):
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line_fields = list(ws)
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if '_HEAD_' in line_fields:
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line_fields.remove('_HEAD_')
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cont_row = 0 # last data row to continue
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for line_field in line_fields:
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fields = ws.get(line_field, {}).values()
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vals, func = self._get_line_vals(record, line_field, fields)
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is_cont = '_CONT_' in line_field and True or False # continue row
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cont_set = 0
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rows_inserted = False # flag to insert row
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for rc, field in ws.get(line_field, {}).items():
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col, row = co.split_row_col(rc) # starting point
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# Case continue, start from the last data row
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if is_cont and not cont_set: # only once per line_field
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cont_set = cont_row + 1
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if is_cont:
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row = cont_set
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rc = '%s%s' % (col, cont_set)
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i = 0
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new_row = 0
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new_rc = False
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row_count = len(vals[field])
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# Insert rows to preserve total line
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if not rows_inserted:
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rows_inserted = True
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if row_count > 1:
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for _x in range(row_count-1):
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st.insert_rows(row+1)
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# --
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for (row_val, style) in vals[field]:
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new_row = row + i
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new_rc = '%s%s' % (col, new_row)
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row_val = co.adjust_cell_formula(row_val, i)
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if row_val not in ('None', None):
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st[new_rc] = co.str_to_number(row_val)
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if style:
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styles = self.env['xlsx.styles'].get_openpyxl_styles()
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co.fill_cell_style(st[new_rc], style, styles)
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i += 1
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# Add footer line if at least one field have sum
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f = func.get(field, False)
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if f and new_row > 0:
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new_row += 1
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f_rc = '%s%s' % (col, new_row)
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st[f_rc] = '=%s(%s:%s)' % (f, rc, new_rc)
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co.fill_cell_style(st[f_rc], style, styles)
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cont_row = cont_row < new_row and new_row or cont_row
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return
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@api.model
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def export_xlsx(self, template, res_model, res_id):
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if template.res_model != res_model:
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raise ValidationError(_("Template's model mismatch"))
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data_dict = co.literal_eval(template.instruction.strip())
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export_dict = data_dict.get('__EXPORT__', False)
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out_name = template.name
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if not export_dict: # If there is not __EXPORT__ formula, just export
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out_name = template.fname
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out_file = template.datas
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return (out_file, out_name)
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# Prepare temp file (from now, only xlsx file works for openpyxl)
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decoded_data = base64.decodestring(template.datas)
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ConfParam = self.env['ir.config_parameter'].sudo()
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ptemp = ConfParam.get_param('path_temp_file') or '/tmp'
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stamp = dt.utcnow().strftime('%H%M%S%f')[:-3]
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ftemp = '%s/temp%s.xlsx' % (ptemp, stamp)
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f = open(ftemp, 'wb')
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f.write(decoded_data)
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f.seek(0)
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f.close()
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# Workbook created, temp file removed
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wb = load_workbook(ftemp)
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os.remove(ftemp)
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# Start working with workbook
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record = res_model and self.env[res_model].browse(res_id) or False
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self._fill_workbook_data(wb, record, export_dict)
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# Return file as .xlsx
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content = BytesIO()
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wb.save(content)
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content.seek(0) # Set index to 0, and start reading
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out_file = base64.encodestring(content.read())
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if record and 'name' in record and record.name:
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out_name = record.name.replace(' ', '').replace('/', '')
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else:
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fname = out_name.replace(' ', '').replace('/', '')
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ts = fields.Datetime.context_timestamp(self, dt.now())
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out_name = '%s_%s' % (fname, ts.strftime('%Y%m%d_%H%M%S'))
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if not out_name or len(out_name) == 0:
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out_name = 'noname'
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out_ext = 'xlsx'
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# CSV (convert only on 1st sheet)
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if template.to_csv:
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delimiter = template.csv_delimiter
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out_file = co.csv_from_excel(out_file, delimiter,
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template.csv_quote)
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out_ext = template.csv_extension
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return (out_file, '%s.%s' % (out_name, out_ext))
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