592 lines
24 KiB
Python
592 lines
24 KiB
Python
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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import datetime
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import functools
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import io
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import itertools
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import json
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import logging
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import operator
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from collections import OrderedDict
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from werkzeug.exceptions import InternalServerError
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import odoo
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import odoo.modules.registry
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from odoo import http
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from odoo.exceptions import UserError
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from odoo.http import content_disposition, request
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from odoo.tools import lazy_property, osutil, pycompat
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from odoo.tools.misc import xlsxwriter
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from odoo.tools.translate import _
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_logger = logging.getLogger(__name__)
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def none_values_filtered(func):
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@functools.wraps(func)
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def wrap(iterable):
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return func(v for v in iterable if v is not None)
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return wrap
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def allow_empty_iterable(func):
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"""
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Some functions do not accept empty iterables (e.g. max, min with no default value)
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This returns the function `func` such that it returns None if the iterable
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is empty instead of raising a ValueError.
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"""
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@functools.wraps(func)
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def wrap(iterable):
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iterator = iter(iterable)
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try:
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value = next(iterator)
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return func(itertools.chain([value], iterator))
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except StopIteration:
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return None
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return wrap
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OPERATOR_MAPPING = {
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'max': none_values_filtered(allow_empty_iterable(max)),
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'min': none_values_filtered(allow_empty_iterable(min)),
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'sum': sum,
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'bool_and': all,
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'bool_or': any,
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}
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class GroupsTreeNode:
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"""
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This class builds an ordered tree of groups from the result of a `read_group(lazy=False)`.
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The `read_group` returns a list of dictionnaries and each dictionnary is used to
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build a leaf. The entire tree is built by inserting all leaves.
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"""
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def __init__(self, model, fields, groupby, groupby_type, root=None):
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self._model = model
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self._export_field_names = fields # exported field names (e.g. 'journal_id', 'account_id/name', ...)
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self._groupby = groupby
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self._groupby_type = groupby_type
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self.count = 0 # Total number of records in the subtree
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self.children = OrderedDict()
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self.data = [] # Only leaf nodes have data
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if root:
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self.insert_leaf(root)
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def _get_aggregate(self, field_name, data, group_operator):
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# When exporting one2many fields, multiple data lines might be exported for one record.
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# Blank cells of additionnal lines are filled with an empty string. This could lead to '' being
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# aggregated with an integer or float.
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data = (value for value in data if value != '')
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if group_operator == 'avg':
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return self._get_avg_aggregate(field_name, data)
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aggregate_func = OPERATOR_MAPPING.get(group_operator)
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if not aggregate_func:
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_logger.warning("Unsupported export of group_operator '%s' for field %s on model %s", group_operator, field_name, self._model._name)
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return
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if self.data:
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return aggregate_func(data)
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return aggregate_func((child.aggregated_values.get(field_name) for child in self.children.values()))
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def _get_avg_aggregate(self, field_name, data):
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aggregate_func = OPERATOR_MAPPING.get('sum')
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if self.data:
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return aggregate_func(data) / self.count
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children_sums = (child.aggregated_values.get(field_name) * child.count for child in self.children.values())
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return aggregate_func(children_sums) / self.count
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def _get_aggregated_field_names(self):
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""" Return field names of exported field having a group operator """
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aggregated_field_names = []
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for field_name in self._export_field_names:
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if field_name == '.id':
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field_name = 'id'
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if '/' in field_name:
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# Currently no support of aggregated value for nested record fields
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# e.g. line_ids/analytic_line_ids/amount
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continue
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field = self._model._fields[field_name]
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if field.group_operator:
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aggregated_field_names.append(field_name)
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return aggregated_field_names
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# Lazy property to memoize aggregated values of children nodes to avoid useless recomputations
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@lazy_property
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def aggregated_values(self):
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aggregated_values = {}
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# Transpose the data matrix to group all values of each field in one iterable
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field_values = zip(*self.data)
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for field_name in self._export_field_names:
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field_data = self.data and next(field_values) or []
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if field_name in self._get_aggregated_field_names():
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field = self._model._fields[field_name]
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aggregated_values[field_name] = self._get_aggregate(field_name, field_data, field.group_operator)
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return aggregated_values
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def child(self, key):
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"""
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Return the child identified by `key`.
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If it doesn't exists inserts a default node and returns it.
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:param key: child key identifier (groupby value as returned by read_group,
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usually (id, display_name))
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:return: the child node
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"""
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if key not in self.children:
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self.children[key] = GroupsTreeNode(self._model, self._export_field_names, self._groupby, self._groupby_type)
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return self.children[key]
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def insert_leaf(self, group):
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"""
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Build a leaf from `group` and insert it in the tree.
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:param group: dict as returned by `read_group(lazy=False)`
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"""
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leaf_path = [group.get(groupby_field) for groupby_field in self._groupby]
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domain = group.pop('__domain')
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count = group.pop('__count')
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records = self._model.search(domain, offset=0, limit=False, order=False)
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# Follow the path from the top level group to the deepest
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# group which actually contains the records' data.
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node = self # root
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node.count += count
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for node_key in leaf_path:
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# Go down to the next node or create one if it does not exist yet.
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node = node.child(node_key)
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# Update count value and aggregated value.
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node.count += count
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node.data = records.export_data(self._export_field_names).get('datas', [])
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class ExportXlsxWriter:
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def __init__(self, field_names, row_count=0):
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self.field_names = field_names
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self.output = io.BytesIO()
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self.workbook = xlsxwriter.Workbook(self.output, {'in_memory': True})
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self.base_style = self.workbook.add_format({'text_wrap': True})
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self.header_style = self.workbook.add_format({'bold': True})
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self.header_bold_style = self.workbook.add_format({'text_wrap': True, 'bold': True, 'bg_color': '#e9ecef'})
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self.date_style = self.workbook.add_format({'text_wrap': True, 'num_format': 'yyyy-mm-dd'})
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self.datetime_style = self.workbook.add_format({'text_wrap': True, 'num_format': 'yyyy-mm-dd hh:mm:ss'})
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self.worksheet = self.workbook.add_worksheet()
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self.value = False
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self.float_format = '#,##0.00'
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decimal_places = [res['decimal_places'] for res in
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request.env['res.currency'].search_read([], ['decimal_places'])]
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self.monetary_format = f'#,##0.{max(decimal_places or [2]) * "0"}'
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if row_count > self.worksheet.xls_rowmax:
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raise UserError(_('There are too many rows (%s rows, limit: %s) to export as Excel 2007-2013 (.xlsx) format. Consider splitting the export.') % (row_count, self.worksheet.xls_rowmax))
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def __enter__(self):
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self.write_header()
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return self
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def __exit__(self, exc_type, exc_value, exc_traceback):
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self.close()
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def write_header(self):
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# Write main header
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for i, fieldname in enumerate(self.field_names):
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self.write(0, i, fieldname, self.header_style)
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self.worksheet.set_column(0, max(0, len(self.field_names) - 1), 30) # around 220 pixels
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def close(self):
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self.workbook.close()
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with self.output:
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self.value = self.output.getvalue()
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def write(self, row, column, cell_value, style=None):
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self.worksheet.write(row, column, cell_value, style)
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def write_cell(self, row, column, cell_value):
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cell_style = self.base_style
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if isinstance(cell_value, bytes):
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try:
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# because xlsx uses raw export, we can get a bytes object
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# here. xlsxwriter does not support bytes values in Python 3 ->
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# assume this is base64 and decode to a string, if this
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# fails note that you can't export
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cell_value = pycompat.to_text(cell_value)
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except UnicodeDecodeError:
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raise UserError(_("Binary fields can not be exported to Excel unless their content is base64-encoded. That does not seem to be the case for %s.", self.field_names)[column])
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elif isinstance(cell_value, (list, tuple, dict)):
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cell_value = pycompat.to_text(cell_value)
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if isinstance(cell_value, str):
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if len(cell_value) > self.worksheet.xls_strmax:
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cell_value = _("The content of this cell is too long for an XLSX file (more than %s characters). Please use the CSV format for this export.", self.worksheet.xls_strmax)
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else:
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cell_value = cell_value.replace("\r", " ")
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elif isinstance(cell_value, datetime.datetime):
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cell_style = self.datetime_style
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elif isinstance(cell_value, datetime.date):
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cell_style = self.date_style
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elif isinstance(cell_value, float):
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cell_style.set_num_format(self.float_format)
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self.write(row, column, cell_value, cell_style)
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class GroupExportXlsxWriter(ExportXlsxWriter):
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def __init__(self, fields, row_count=0):
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super().__init__([f['label'].strip() for f in fields], row_count)
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self.fields = fields
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def write_group(self, row, column, group_name, group, group_depth=0):
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group_name = group_name[1] if isinstance(group_name, tuple) and len(group_name) > 1 else group_name
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if group._groupby_type[group_depth] != 'boolean':
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group_name = group_name or _("Undefined")
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row, column = self._write_group_header(row, column, group_name, group, group_depth)
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# Recursively write sub-groups
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for child_group_name, child_group in group.children.items():
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row, column = self.write_group(row, column, child_group_name, child_group, group_depth + 1)
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for record in group.data:
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row, column = self._write_row(row, column, record)
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return row, column
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def _write_row(self, row, column, data):
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for value in data:
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self.write_cell(row, column, value)
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column += 1
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return row + 1, 0
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def _write_group_header(self, row, column, label, group, group_depth=0):
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aggregates = group.aggregated_values
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label = '%s%s (%s)' % (' ' * group_depth, label, group.count)
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self.write(row, column, label, self.header_bold_style)
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for field in self.fields[1:]: # No aggregates allowed in the first column because of the group title
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column += 1
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aggregated_value = aggregates.get(field['name'])
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if field.get('type') == 'monetary':
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self.header_bold_style.set_num_format(self.monetary_format)
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elif field.get('type') == 'float':
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self.header_bold_style.set_num_format(self.float_format)
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else:
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aggregated_value = str(aggregated_value if aggregated_value is not None else '')
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self.write(row, column, aggregated_value, self.header_bold_style)
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return row + 1, 0
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class Export(http.Controller):
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@http.route('/web/export/formats', type='json', auth="user")
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def formats(self):
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""" Returns all valid export formats
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:returns: for each export format, a pair of identifier and printable name
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:rtype: [(str, str)]
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"""
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return [
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{'tag': 'xlsx', 'label': 'XLSX', 'error': None if xlsxwriter else "XlsxWriter 0.9.3 required"},
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{'tag': 'csv', 'label': 'CSV'},
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]
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def fields_get(self, model):
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Model = request.env[model]
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fields = Model.fields_get()
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return fields
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@http.route('/web/export/get_fields', type='json', auth="user")
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def get_fields(self, model, prefix='', parent_name='',
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import_compat=True, parent_field_type=None,
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parent_field=None, exclude=None):
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fields = self.fields_get(model)
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if import_compat:
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if parent_field_type in ['many2one', 'many2many']:
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rec_name = request.env[model]._rec_name_fallback()
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fields = {'id': fields['id'], rec_name: fields[rec_name]}
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else:
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fields['.id'] = {**fields['id']}
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fields['id']['string'] = _('External ID')
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if parent_field:
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parent_field['string'] = _('External ID')
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fields['id'] = parent_field
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fields_sequence = sorted(fields.items(),
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key=lambda field: odoo.tools.ustr(field[1].get('string', '').lower()))
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records = []
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for field_name, field in fields_sequence:
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if import_compat and not field_name == 'id':
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if exclude and field_name in exclude:
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continue
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if field.get('type') in ('properties', 'properties_definition'):
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continue
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if field.get('readonly'):
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continue
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if not field.get('exportable', True):
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continue
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ident = prefix + ('/' if prefix else '') + field_name
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val = ident
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if field_name == 'name' and import_compat and parent_field_type in ['many2one', 'many2many']:
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# Add name field when expand m2o and m2m fields in import-compatible mode
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val = prefix
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name = parent_name + (parent_name and '/' or '') + field['string']
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record = {'id': ident, 'string': name,
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'value': val, 'children': False,
|
||
|
|
'field_type': field.get('type'),
|
||
|
|
'required': field.get('required'),
|
||
|
|
'relation_field': field.get('relation_field'),
|
||
|
|
'default_export': import_compat and field.get('default_export_compatible')}
|
||
|
|
records.append(record)
|
||
|
|
|
||
|
|
if len(ident.split('/')) < 3 and 'relation' in field:
|
||
|
|
ref = field.pop('relation')
|
||
|
|
record['value'] += '/id'
|
||
|
|
record['params'] = {'model': ref, 'prefix': ident, 'name': name, 'parent_field': field}
|
||
|
|
record['children'] = True
|
||
|
|
|
||
|
|
return records
|
||
|
|
|
||
|
|
@http.route('/web/export/namelist', type='json', auth="user")
|
||
|
|
def namelist(self, model, export_id):
|
||
|
|
# TODO: namelist really has no reason to be in Python (although itertools.groupby helps)
|
||
|
|
export = request.env['ir.exports'].browse([export_id]).read()[0]
|
||
|
|
export_fields_list = request.env['ir.exports.line'].browse(export['export_fields']).read()
|
||
|
|
|
||
|
|
fields_data = self.fields_info(
|
||
|
|
model, [f['name'] for f in export_fields_list])
|
||
|
|
|
||
|
|
return [
|
||
|
|
{'name': field['name'], 'label': fields_data[field['name']]}
|
||
|
|
for field in export_fields_list
|
||
|
|
]
|
||
|
|
|
||
|
|
def fields_info(self, model, export_fields):
|
||
|
|
info = {}
|
||
|
|
fields = self.fields_get(model)
|
||
|
|
if ".id" in export_fields:
|
||
|
|
fields['.id'] = fields.get('id', {'string': 'ID'})
|
||
|
|
|
||
|
|
# To make fields retrieval more efficient, fetch all sub-fields of a
|
||
|
|
# given field at the same time. Because the order in the export list is
|
||
|
|
# arbitrary, this requires ordering all sub-fields of a given field
|
||
|
|
# together so they can be fetched at the same time
|
||
|
|
#
|
||
|
|
# Works the following way:
|
||
|
|
# * sort the list of fields to export, the default sorting order will
|
||
|
|
# put the field itself (if present, for xmlid) and all of its
|
||
|
|
# sub-fields right after it
|
||
|
|
# * then, group on: the first field of the path (which is the same for
|
||
|
|
# a field and for its subfields and the length of splitting on the
|
||
|
|
# first '/', which basically means grouping the field on one side and
|
||
|
|
# all of the subfields on the other. This way, we have the field (for
|
||
|
|
# the xmlid) with length 1, and all of the subfields with the same
|
||
|
|
# base but a length "flag" of 2
|
||
|
|
# * if we have a normal field (length 1), just add it to the info
|
||
|
|
# mapping (with its string) as-is
|
||
|
|
# * otherwise, recursively call fields_info via graft_subfields.
|
||
|
|
# all graft_subfields does is take the result of fields_info (on the
|
||
|
|
# field's model) and prepend the current base (current field), which
|
||
|
|
# rebuilds the whole sub-tree for the field
|
||
|
|
#
|
||
|
|
# result: because we're not fetching the fields_get for half the
|
||
|
|
# database models, fetching a namelist with a dozen fields (including
|
||
|
|
# relational data) falls from ~6s to ~300ms (on the leads model).
|
||
|
|
# export lists with no sub-fields (e.g. import_compatible lists with
|
||
|
|
# no o2m) are even more efficient (from the same 6s to ~170ms, as
|
||
|
|
# there's a single fields_get to execute)
|
||
|
|
for (base, length), subfields in itertools.groupby(
|
||
|
|
sorted(export_fields),
|
||
|
|
lambda field: (field.split('/', 1)[0], len(field.split('/', 1)))):
|
||
|
|
subfields = list(subfields)
|
||
|
|
if length == 2:
|
||
|
|
# subfields is a seq of $base/*rest, and not loaded yet
|
||
|
|
info.update(self.graft_subfields(
|
||
|
|
fields[base]['relation'], base, fields[base]['string'],
|
||
|
|
subfields
|
||
|
|
))
|
||
|
|
elif base in fields:
|
||
|
|
info[base] = fields[base]['string']
|
||
|
|
|
||
|
|
return info
|
||
|
|
|
||
|
|
def graft_subfields(self, model, prefix, prefix_string, fields):
|
||
|
|
export_fields = [field.split('/', 1)[1] for field in fields]
|
||
|
|
return (
|
||
|
|
(prefix + '/' + k, prefix_string + '/' + v)
|
||
|
|
for k, v in self.fields_info(model, export_fields).items())
|
||
|
|
|
||
|
|
|
||
|
|
class ExportFormat(object):
|
||
|
|
|
||
|
|
@property
|
||
|
|
def content_type(self):
|
||
|
|
""" Provides the format's content type """
|
||
|
|
raise NotImplementedError()
|
||
|
|
|
||
|
|
@property
|
||
|
|
def extension(self):
|
||
|
|
raise NotImplementedError()
|
||
|
|
|
||
|
|
def filename(self, base):
|
||
|
|
""" Creates a filename *without extension* for the item / format of
|
||
|
|
model ``base``.
|
||
|
|
"""
|
||
|
|
if base not in request.env:
|
||
|
|
return base
|
||
|
|
|
||
|
|
model_description = request.env['ir.model']._get(base).name
|
||
|
|
return f"{model_description} ({base})"
|
||
|
|
|
||
|
|
def from_data(self, fields, rows):
|
||
|
|
""" Conversion method from Odoo's export data to whatever the
|
||
|
|
current export class outputs
|
||
|
|
|
||
|
|
:params list fields: a list of fields to export
|
||
|
|
:params list rows: a list of records to export
|
||
|
|
:returns:
|
||
|
|
:rtype: bytes
|
||
|
|
"""
|
||
|
|
raise NotImplementedError()
|
||
|
|
|
||
|
|
def from_group_data(self, fields, groups):
|
||
|
|
raise NotImplementedError()
|
||
|
|
|
||
|
|
def base(self, data):
|
||
|
|
params = json.loads(data)
|
||
|
|
model, fields, ids, domain, import_compat = \
|
||
|
|
operator.itemgetter('model', 'fields', 'ids', 'domain', 'import_compat')(params)
|
||
|
|
|
||
|
|
Model = request.env[model].with_context(import_compat=import_compat, **params.get('context', {}))
|
||
|
|
if not Model._is_an_ordinary_table():
|
||
|
|
fields = [field for field in fields if field['name'] != 'id']
|
||
|
|
|
||
|
|
field_names = [f['name'] for f in fields]
|
||
|
|
if import_compat:
|
||
|
|
columns_headers = field_names
|
||
|
|
else:
|
||
|
|
columns_headers = [val['label'].strip() for val in fields]
|
||
|
|
|
||
|
|
groupby = params.get('groupby')
|
||
|
|
if not import_compat and groupby:
|
||
|
|
groupby_type = [Model._fields[x.split(':')[0]].type for x in groupby]
|
||
|
|
domain = [('id', 'in', ids)] if ids else domain
|
||
|
|
groups_data = Model.read_group(domain, ['__count'], groupby, lazy=False)
|
||
|
|
|
||
|
|
# read_group(lazy=False) returns a dict only for final groups (with actual data),
|
||
|
|
# not for intermediary groups. The full group tree must be re-constructed.
|
||
|
|
tree = GroupsTreeNode(Model, field_names, groupby, groupby_type)
|
||
|
|
for leaf in groups_data:
|
||
|
|
tree.insert_leaf(leaf)
|
||
|
|
|
||
|
|
response_data = self.from_group_data(fields, tree)
|
||
|
|
else:
|
||
|
|
records = Model.browse(ids) if ids else Model.search(domain, offset=0, limit=False, order=False)
|
||
|
|
|
||
|
|
export_data = records.export_data(field_names).get('datas', [])
|
||
|
|
response_data = self.from_data(columns_headers, export_data)
|
||
|
|
|
||
|
|
# TODO: call `clean_filename` directly in `content_disposition`?
|
||
|
|
return request.make_response(response_data,
|
||
|
|
headers=[('Content-Disposition',
|
||
|
|
content_disposition(
|
||
|
|
osutil.clean_filename(self.filename(model) + self.extension))),
|
||
|
|
('Content-Type', self.content_type)],
|
||
|
|
)
|
||
|
|
|
||
|
|
class CSVExport(ExportFormat, http.Controller):
|
||
|
|
|
||
|
|
@http.route('/web/export/csv', type='http', auth="user")
|
||
|
|
def web_export_csv(self, data):
|
||
|
|
try:
|
||
|
|
return self.base(data)
|
||
|
|
except Exception as exc:
|
||
|
|
_logger.exception("Exception during request handling.")
|
||
|
|
payload = json.dumps({
|
||
|
|
'code': 200,
|
||
|
|
'message': "Odoo Server Error",
|
||
|
|
'data': http.serialize_exception(exc)
|
||
|
|
})
|
||
|
|
raise InternalServerError(payload) from exc
|
||
|
|
|
||
|
|
@property
|
||
|
|
def content_type(self):
|
||
|
|
return 'text/csv;charset=utf8'
|
||
|
|
|
||
|
|
@property
|
||
|
|
def extension(self):
|
||
|
|
return '.csv'
|
||
|
|
|
||
|
|
def from_group_data(self, fields, groups):
|
||
|
|
raise UserError(_("Exporting grouped data to csv is not supported."))
|
||
|
|
|
||
|
|
def from_data(self, fields, rows):
|
||
|
|
fp = io.BytesIO()
|
||
|
|
writer = pycompat.csv_writer(fp, quoting=1)
|
||
|
|
|
||
|
|
writer.writerow(fields)
|
||
|
|
|
||
|
|
for data in rows:
|
||
|
|
row = []
|
||
|
|
for d in data:
|
||
|
|
# Spreadsheet apps tend to detect formulas on leading =, + and -
|
||
|
|
if isinstance(d, str) and d.startswith(('=', '-', '+')):
|
||
|
|
d = "'" + d
|
||
|
|
|
||
|
|
row.append(pycompat.to_text(d))
|
||
|
|
writer.writerow(row)
|
||
|
|
|
||
|
|
return fp.getvalue()
|
||
|
|
|
||
|
|
class ExcelExport(ExportFormat, http.Controller):
|
||
|
|
|
||
|
|
@http.route('/web/export/xlsx', type='http', auth="user")
|
||
|
|
def web_export_xlsx(self, data):
|
||
|
|
try:
|
||
|
|
return self.base(data)
|
||
|
|
except Exception as exc:
|
||
|
|
_logger.exception("Exception during request handling.")
|
||
|
|
payload = json.dumps({
|
||
|
|
'code': 200,
|
||
|
|
'message': "Odoo Server Error",
|
||
|
|
'data': http.serialize_exception(exc)
|
||
|
|
})
|
||
|
|
raise InternalServerError(payload) from exc
|
||
|
|
|
||
|
|
@property
|
||
|
|
def content_type(self):
|
||
|
|
return 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
|
||
|
|
|
||
|
|
@property
|
||
|
|
def extension(self):
|
||
|
|
return '.xlsx'
|
||
|
|
|
||
|
|
def from_group_data(self, fields, groups):
|
||
|
|
with GroupExportXlsxWriter(fields, groups.count) as xlsx_writer:
|
||
|
|
x, y = 1, 0
|
||
|
|
for group_name, group in groups.children.items():
|
||
|
|
x, y = xlsx_writer.write_group(x, y, group_name, group)
|
||
|
|
|
||
|
|
return xlsx_writer.value
|
||
|
|
|
||
|
|
def from_data(self, fields, rows):
|
||
|
|
with ExportXlsxWriter(fields, len(rows)) as xlsx_writer:
|
||
|
|
for row_index, row in enumerate(rows):
|
||
|
|
for cell_index, cell_value in enumerate(row):
|
||
|
|
xlsx_writer.write_cell(row_index + 1, cell_index, cell_value)
|
||
|
|
|
||
|
|
return xlsx_writer.value
|