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# -*- coding: utf-8 -*-
# © 2014-2015 ACSONE SA/NV (<http://acsone.eu>)
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
import datetime
import dateutil
import logging
import re
import time
import traceback
import pytz
from openerp import api, fields, models, _
from openerp.tools.safe_eval import safe_eval
from .aep import AccountingExpressionProcessor as AEP
from .aggregate import _sum, _avg, _min, _max
from .accounting_none import AccountingNone
_logger = logging.getLogger(__name__)
class AutoStruct(object):
def __init__(self, **kwargs):
for k, v in kwargs.items():
setattr(self, k, v)
def _get_selection_label(selection, value):
for v, l in selection:
if v == value:
return l
return ''
def _utc_midnight(d, tz_name, add_day=0):
d = fields.Datetime.from_string(d) + datetime.timedelta(days=add_day)
utc_tz = pytz.timezone('UTC')
context_tz = pytz.timezone(tz_name)
local_timestamp = context_tz.localize(d, is_dst=False)
return fields.Datetime.to_string(local_timestamp.astimezone(utc_tz))
def _python_var(var_str):
return re.sub(r'\W|^(?=\d)', '_', var_str).lower()
def _is_valid_python_var(name):
return re.match("[_A-Za-z][_a-zA-Z0-9]*$", name)
class MisReportKpi(models.Model):
""" A KPI is an element (ie a line) of a MIS report.
In addition to a name and description, it has an expression
to compute it based on queries defined in the MIS report.
It also has various informations defining how to render it
(numeric or percentage or a string, a prefix, a suffix, divider) and
how to render comparison of two values of the KPI.
KPI's have a sequence and are ordered inside the MIS report.
"""
_name = 'mis.report.kpi'
name = fields.Char(size=32, required=True,
string='Name')
description = fields.Char(required=True,
string='Description',
translate=True)
expression = fields.Char(required=True,
string='Expression')
default_css_style = fields.Char(string='Default CSS style')
css_style = fields.Char(string='CSS style expression')
type = fields.Selection([('num', _('Numeric')),
('pct', _('Percentage')),
('str', _('String'))],
required=True,
string='Type',
default='num')
divider = fields.Selection([('1e-6', _('µ')),
('1e-3', _('m')),
('1', _('1')),
('1e3', _('k')),
('1e6', _('M'))],
string='Factor',
default='1')
dp = fields.Integer(string='Rounding', default=0)
prefix = fields.Char(size=16, string='Prefix')
suffix = fields.Char(size=16, string='Suffix')
compare_method = fields.Selection([('diff', _('Difference')),
('pct', _('Percentage')),
('none', _('None'))],
required=True,
string='Comparison Method',
default='pct')
sequence = fields.Integer(string='Sequence', default=100)
report_id = fields.Many2one('mis.report',
string='Report',
ondelete='cascade')
_order = 'sequence, id'
@api.one
@api.constrains('name')
def _check_name(self):
return _is_valid_python_var(self.name)
@api.onchange('name')
def _onchange_name(self):
if self.name and not _is_valid_python_var(self.name):
return {
'warning': {
'title': 'Invalid name %s' % self.name,
'message': 'The name must be a valid python identifier'
}
}
@api.onchange('description')
def _onchange_description(self):
""" construct name from description """
if self.description and not self.name:
self.name = _python_var(self.description)
@api.onchange('type')
def _onchange_type(self):
if self.type == 'num':
self.compare_method = 'pct'
self.divider = '1'
self.dp = 0
elif self.type == 'pct':
self.compare_method = 'diff'
self.divider = '1'
self.dp = 0
elif self.type == 'str':
self.compare_method = 'none'
self.divider = ''
self.dp = 0
def render(self, lang_id, value):
""" render a KPI value as a unicode string, ready for display """
assert len(self) == 1
if value is None or value is AccountingNone:
return ''
elif self.type == 'num':
return self._render_num(lang_id, value, self.divider,
self.dp, self.prefix, self.suffix)
elif self.type == 'pct':
return self._render_num(lang_id, value, 0.01,
self.dp, '', '%')
else:
return unicode(value)
def render_comparison(self, lang_id, value, base_value,
average_value, average_base_value):
""" render the comparison of two KPI values, ready for display
If the difference is 0, an empty string is returned.
"""
assert len(self) == 1
if value is None:
value = AccountingNone
if base_value is None:
base_value = AccountingNone
if self.type == 'pct':
delta = value - base_value
if delta and round(delta, self.dp) != 0:
return self._render_num(
lang_id,
delta,
0.01, self.dp, '', _('pp'),
sign='+')
elif self.type == 'num':
if value and average_value:
value = value / float(average_value)
if base_value and average_base_value:
base_value = base_value / float(average_base_value)
if self.compare_method == 'diff':
delta = value - base_value
if delta and round(delta, self.dp) != 0:
return self._render_num(
lang_id,
delta,
self.divider, self.dp, self.prefix, self.suffix,
sign='+')
elif self.compare_method == 'pct':
if base_value and round(base_value, self.dp) != 0:
delta = (value - base_value) / abs(base_value)
if delta and round(delta * 100, self.dp) != 0:
return self._render_num(
lang_id,
delta,
0.01, self.dp, '', '%',
sign='+')
return ''
def _render_num(self, lang_id, value, divider,
dp, prefix, suffix, sign='-'):
divider_label = _get_selection_label(
self._columns['divider'].selection, divider)
if divider_label == '1':
divider_label = ''
# format number following user language
value = round(value / float(divider or 1), dp) or 0
value = self.env['res.lang'].browse(lang_id).format(
'%%%s.%df' % (sign, dp),
value,
grouping=True)
value = u'%s\N{NARROW NO-BREAK SPACE}%s\N{NO-BREAK SPACE}%s%s' % \
(prefix or '', value, divider_label, suffix or '')
value = value.replace('-', u'\N{NON-BREAKING HYPHEN}')
return value
class MisReportQuery(models.Model):
""" A query to fetch arbitrary data for a MIS report.
A query works on a model and has a domain and list of fields to fetch.
At runtime, the domain is expanded with a "and" on the date/datetime field.
"""
_name = 'mis.report.query'
@api.one
@api.depends('field_ids')
def _compute_field_names(self):
field_names = [field.name for field in self.field_ids]
self.field_names = ', '.join(field_names)
name = fields.Char(size=32, required=True,
string='Name')
model_id = fields.Many2one('ir.model', required=True,
string='Model')
field_ids = fields.Many2many('ir.model.fields', required=True,
string='Fields to fetch')
field_names = fields.Char(compute='_compute_field_names',
string='Fetched fields name')
aggregate = fields.Selection([('sum', _('Sum')),
('avg', _('Average')),
('min', _('Min')),
('max', _('Max'))],
string='Aggregate')
date_field = fields.Many2one('ir.model.fields', required=True,
string='Date field',
domain=[('ttype', 'in',
('date', 'datetime'))])
domain = fields.Char(string='Domain')
report_id = fields.Many2one('mis.report', string='Report',
ondelete='cascade')
_order = 'name'
@api.one
@api.constrains('name')
def _check_name(self):
return _is_valid_python_var(self.name)
class MisReport(models.Model):
""" A MIS report template (without period information)
The MIS report holds:
* a list of explicit queries; the result of each query is
stored in a variable with same name as a query, containing as list
of data structures populated with attributes for each fields to fetch;
when queries have an aggregate method and no fields to group, it returns
a data structure with the aggregated fields
* a list of KPI to be evaluated based on the variables resulting
from the accounting data and queries (KPI expressions can references
queries and accounting expression - see AccoutingExpressionProcessor)
"""
_name = 'mis.report'
name = fields.Char(required=True,
string='Name', translate=True)
description = fields.Char(required=False,
string='Description', translate=True)
query_ids = fields.One2many('mis.report.query', 'report_id',
string='Queries',
copy=True)
kpi_ids = fields.One2many('mis.report.kpi', 'report_id',
string='KPI\'s',
copy=True)
@api.one
def copy(self, default=None):
default = dict(default or {})
default['name'] = _('%s (copy)') % self.name
return super(MisReport, self).copy(default)
# TODO: kpi name cannot be start with query name
@api.multi
def _prepare_aep(self, root_account):
self.ensure_one()
aep = AEP(self.env)
for kpi in self.kpi_ids:
aep.parse_expr(kpi.expression)
aep.done_parsing(root_account)
return aep
@api.multi
def _fetch_queries(self, date_from, date_to,
get_additional_query_filter=None):
self.ensure_one()
res = {}
for query in self.query_ids:
model = self.env[query.model_id.model]
eval_context = {
'env': self.env,
'time': time,
'datetime': datetime,
'dateutil': dateutil,
# deprecated
'uid': self.env.uid,
'context': self.env.context,
}
domain = query.domain and \
safe_eval(query.domain, eval_context) or []
if get_additional_query_filter:
domain.extend(get_additional_query_filter(query))
if query.date_field.ttype == 'date':
domain.extend([(query.date_field.name, '>=', date_from),
(query.date_field.name, '<=', date_to)])
else:
datetime_from = _utc_midnight(
date_from, self._context.get('tz', 'UTC'))
datetime_to = _utc_midnight(
date_to, self._context.get('tz', 'UTC'), add_day=1)
domain.extend([(query.date_field.name, '>=', datetime_from),
(query.date_field.name, '<', datetime_to)])
field_names = [f.name for f in query.field_ids]
all_stored = all([model._fields[f].store for f in field_names])
if not query.aggregate:
data = model.search_read(domain, field_names)
res[query.name] = [AutoStruct(**d) for d in data]
elif query.aggregate == 'sum' and all_stored:
# use read_group to sum stored fields
data = model.read_group(
domain, field_names, [])
s = AutoStruct(count=data[0]['__count'])
for field_name in field_names:
try:
v = data[0][field_name]
except KeyError:
_logger.error('field %s not found in read_group '
'for %s; not summable?',
field_name, model._name)
v = AccountingNone
setattr(s, field_name, v)
res[query.name] = s
else:
data = model.search_read(domain, field_names)
s = AutoStruct(count=len(data))
if query.aggregate == 'min':
agg = _min
elif query.aggregate == 'max':
agg = _max
elif query.aggregate == 'avg':
agg = _avg
elif query.aggregate == 'sum':
agg = _sum
for field_name in field_names:
setattr(s, field_name,
agg([d[field_name] for d in data]))
res[query.name] = s
return res
@api.multi
def _compute(self, lang_id, aep,
date_from, date_to,
period_from, period_to,
target_move,
get_additional_move_line_filter=None,
get_additional_query_filter=None,
period_id=None):
""" Evaluate a report for a given period.
It returns a dictionary keyed on kpi.name with the following values:
* val: the evaluated kpi, or None if there is no data or an error
* val_r: the rendered kpi as a string, or #ERR, #DIV
* val_c: a comment (explaining the error, typically)
* style: the css style of the kpi
(may change in the future!)
* prefix: a prefix to display in front of the rendered value
* suffix: a prefix to display after rendered value
* dp: the decimal precision of the kpi
* is_percentage: true if the kpi is of percentage type
(may change in the future!)
* expr: the kpi expression
* drilldown: true if the drilldown method of
mis.report.instance.period is going to do something
useful in this kpi
:param lang_id: id of a res.lang object
:param aep: an AccountingExpressionProcessor instance created
using _prepare_aep()
:param date_from, date_to: the starting and ending date
:param period_from, period_to: the starting and ending accounting
period (optional, if present must
match date_from, date_to)
:param target_move: all|posted
:param get_additional_move_line_filter: a bound method that takes
no arguments and returns
a domain compatible with
account.move.line
:param get_additional_query_filter: a bound method that takes a single
query argument and returns a
domain compatible with the query
underlying model
:param period_id: an optional opaque value that is returned as
query_id field in the result (may change in the
future!)
"""
self.ensure_one()
res = {}
localdict = {
'registry': self.pool,
'sum': _sum,
'min': _min,
'max': _max,
'len': len,
'avg': _avg,
'AccountingNone': AccountingNone,
}
localdict.update(self._fetch_queries(
date_from, date_to, get_additional_query_filter))
additional_move_line_filter = None
if get_additional_move_line_filter:
additional_move_line_filter = get_additional_move_line_filter()
aep.do_queries(date_from, date_to,
period_from, period_to,
target_move,
additional_move_line_filter)
compute_queue = self.kpi_ids
recompute_queue = []
while True:
for kpi in compute_queue:
try:
kpi_val_comment = kpi.name + " = " + kpi.expression
kpi_eval_expression = aep.replace_expr(kpi.expression)
kpi_val = safe_eval(kpi_eval_expression, localdict)
localdict[kpi.name] = kpi_val
except ZeroDivisionError:
kpi_val = None
kpi_val_rendered = '#DIV/0'
kpi_val_comment += '\n\n%s' % (traceback.format_exc(),)
except (NameError, ValueError):
recompute_queue.append(kpi)
kpi_val = None
kpi_val_rendered = '#ERR'
kpi_val_comment += '\n\n%s' % (traceback.format_exc(),)
except:
kpi_val = None
kpi_val_rendered = '#ERR'
kpi_val_comment += '\n\n%s' % (traceback.format_exc(),)
else:
kpi_val_rendered = kpi.render(lang_id, kpi_val)
try:
kpi_style = None
if kpi.css_style:
kpi_style = safe_eval(kpi.css_style, localdict)
except:
_logger.warning("error evaluating css stype expression %s",
kpi.css_style, exc_info=True)
kpi_style = None
drilldown = (kpi_val is not None and
AEP.has_account_var(kpi.expression))
res[kpi.name] = {
'val': None if kpi_val is AccountingNone else kpi_val,
'val_r': kpi_val_rendered,
'val_c': kpi_val_comment,
'style': kpi_style,
'prefix': kpi.prefix,
'suffix': kpi.suffix,
'dp': kpi.dp,
'is_percentage': kpi.type == 'pct',
'period_id': period_id,
'expr': kpi.expression,
'drilldown': drilldown,
}
if len(recompute_queue) == 0:
# nothing to recompute, we are done
break
if len(recompute_queue) == len(compute_queue):
# could not compute anything in this iteration
# (ie real Value errors or cyclic dependency)
# so we stop trying
break
# try again
compute_queue = recompute_queue
recompute_queue = []
return res
class MisReportInstancePeriod(models.Model):
""" A MIS report instance has the logic to compute
a report template for a given date period.
Periods have a duration (day, week, fiscal period) and
are defined as an offset relative to a pivot date.
"""
@api.one
@api.depends('report_instance_id.pivot_date', 'type', 'offset', 'duration')
def _compute_dates(self):
self.date_from = False
self.date_to = False
self.period_from = False
self.period_to = False
self.valid = False
d = fields.Date.from_string(self.report_instance_id.pivot_date)
if self.type == 'd':
date_from = d + datetime.timedelta(days=self.offset)
date_to = date_from + \
datetime.timedelta(days=self.duration - 1)
self.date_from = fields.Date.to_string(date_from)
self.date_to = fields.Date.to_string(date_to)
self.valid = True
elif self.type == 'w':
date_from = d - datetime.timedelta(d.weekday())
date_from = date_from + datetime.timedelta(days=self.offset * 7)
date_to = date_from + \
datetime.timedelta(days=(7 * self.duration) - 1)
self.date_from = fields.Date.to_string(date_from)
self.date_to = fields.Date.to_string(date_to)
self.valid = True
elif self.type == 'fp':
current_periods = self.env['account.period'].search(
[('special', '=', False),
('date_start', '<=', d),
('date_stop', '>=', d),
('company_id', '=',
self.report_instance_id.company_id.id)])
if current_periods:
all_periods = self.env['account.period'].search(
[('special', '=', False),
('company_id', '=',
self.report_instance_id.company_id.id)],
order='date_start')
all_period_ids = [p.id for p in all_periods]
p = all_period_ids.index(current_periods[0].id) + self.offset
if p >= 0 and p + self.duration <= len(all_period_ids):
periods = all_periods[p:p + self.duration]
self.date_from = periods[0].date_start
self.date_to = periods[-1].date_stop
self.period_from = periods[0]
self.period_to = periods[-1]
self.valid = True
_name = 'mis.report.instance.period'
name = fields.Char(size=32, required=True,
string='Description', translate=True)
type = fields.Selection([('d', _('Day')),
('w', _('Week')),
('fp', _('Fiscal Period')),
# ('fy', _('Fiscal Year'))
],
required=True,
string='Period type')
offset = fields.Integer(string='Offset',
help='Offset from current period',
default=-1)
duration = fields.Integer(string='Duration',
help='Number of periods',
default=1)
date_from = fields.Date(compute='_compute_dates', string="From")
date_to = fields.Date(compute='_compute_dates', string="To")
period_from = fields.Many2one(compute='_compute_dates',
comodel_name='account.period',
string="From period")
period_to = fields.Many2one(compute='_compute_dates',
comodel_name='account.period',
string="To period")
valid = fields.Boolean(compute='_compute_dates',
type='boolean',
string='Valid')
sequence = fields.Integer(string='Sequence', default=100)
report_instance_id = fields.Many2one('mis.report.instance',
string='Report Instance',
ondelete='cascade')
comparison_column_ids = fields.Many2many(
comodel_name='mis.report.instance.period',
relation='mis_report_instance_period_rel',
column1='period_id',
column2='compare_period_id',
string='Compare with')
normalize_factor = fields.Integer(
string='Factor',
help='Factor to use to normalize the period (used in comparison',
default=1)
_order = 'sequence, id'
_sql_constraints = [
('duration', 'CHECK (duration>0)',
'Wrong duration, it must be positive!'),
('normalize_factor', 'CHECK (normalize_factor>0)',
'Wrong normalize factor, it must be positive!'),
('name_unique', 'unique(name, report_instance_id)',
'Period name should be unique by report'),
]
@api.multi
def _get_additional_move_line_filter(self):
""" Prepare a filter to apply on all move lines
This filter is applied with a AND operator on all
accounting expression domains. This hook is intended
to be inherited, and is useful to implement filtering
on analytic dimensions or operational units.
Returns an Odoo domain expression (a python list)
compatible with account.move.line."""
self.ensure_one()
return []
@api.multi
def _get_additional_query_filter(self, query):
""" Prepare an additional filter to apply on the query
This filter is combined to the query domain with a AND
operator. This hook is intended
to be inherited, and is useful to implement filtering
on analytic dimensions or operational units.
Returns an Odoo domain expression (a python list)
compatible with the model of the query."""
self.ensure_one()
return []
@api.multi
def drilldown(self, expr):
self.ensure_one()
if AEP.has_account_var(expr):
aep = AEP(self.env)
aep.parse_expr(expr)
aep.done_parsing(self.report_instance_id.root_account)
domain = aep.get_aml_domain_for_expr(
expr,
self.date_from, self.date_to,
self.period_from, self.period_to,
self.report_instance_id.target_move)
domain.extend(self._get_additional_move_line_filter())
return {
'name': expr + ' - ' + self.name,
'domain': domain,
'type': 'ir.actions.act_window',
'res_model': 'account.move.line',
'views': [[False, 'list'], [False, 'form']],
'view_type': 'list',
'view_mode': 'list',
'target': 'current',
}
else:
return False
@api.multi
def _compute(self, lang_id, aep):
self.ensure_one()
return self.report_instance_id.report_id._compute(
lang_id, aep,
self.date_from, self.date_to,
self.period_from, self.period_to,
self.report_instance_id.target_move,
self._get_additional_move_line_filter,
self._get_additional_query_filter,
period_id=self.id,
)
class MisReportInstance(models.Model):
"""The MIS report instance combines everything to compute
a MIS report template for a set of periods."""
@api.one
@api.depends('date')
def _compute_pivot_date(self):
if self.date:
self.pivot_date = self.date
else:
self.pivot_date = fields.Date.context_today(self)
_name = 'mis.report.instance'
name = fields.Char(required=True,
string='Name', translate=True)
description = fields.Char(required=False,
string='Description', translate=True)
date = fields.Date(string='Base date',
help='Report base date '
'(leave empty to use current date)')
pivot_date = fields.Date(compute='_compute_pivot_date',
string="Pivot date")
report_id = fields.Many2one('mis.report',
required=True,
string='Report')
period_ids = fields.One2many('mis.report.instance.period',
'report_instance_id',
required=True,
string='Periods',
copy=True)
target_move = fields.Selection([('posted', 'All Posted Entries'),
('all', 'All Entries')],
string='Target Moves',
required=True,
default='posted')
company_id = fields.Many2one(comodel_name='res.company',
string='Company',
readonly=True,
related='root_account.company_id',
store=True)
root_account = fields.Many2one(comodel_name='account.account',
domain='[("parent_id", "=", False)]',
string="Account chart",
required=True)
landscape_pdf = fields.Boolean(string='Landscape PDF')
@api.one
def copy(self, default=None):
default = dict(default or {})
default['name'] = _('%s (copy)') % self.name
return super(MisReportInstance, self).copy(default)
def _format_date(self, lang_id, date):
# format date following user language
date_format = self.env['res.lang'].browse(lang_id).date_format
return datetime.datetime.strftime(
fields.Date.from_string(date), date_format)
@api.multi
def preview(self):
assert len(self) == 1
view_id = self.env.ref('mis_builder.'
'mis_report_instance_result_view_form')
return {
'type': 'ir.actions.act_window',
'res_model': 'mis.report.instance',
'res_id': self.id,
'view_mode': 'form',
'view_type': 'form',
'view_id': view_id.id,
'target': 'current',
}
@api.multi
def print_pdf(self):
self.ensure_one()
data = {'context': self.env.context}
return {
'name': 'MIS report instance QWEB PDF report',
'model': 'mis.report.instance',
'type': 'ir.actions.report.xml',
'report_name': 'mis_builder.report_mis_report_instance',
'report_type': 'qweb-pdf',
'context': self.env.context,
'data': data,
}
@api.multi
def export_xls(self):
self.ensure_one()
return {
'name': 'MIS report instance XLS report',
'model': 'mis.report.instance',
'type': 'ir.actions.report.xml',
'report_name': 'mis.report.instance.xls',
'report_type': 'xls',
'context': self.env.context,
}
@api.multi
def display_settings(self):
assert len(self._ids) <= 1
view_id = self.env.ref('mis_builder.mis_report_instance_view_form')
return {
'type': 'ir.actions.act_window',
'res_model': 'mis.report.instance',
'res_id': self.id if self.id else False,
'view_mode': 'form',
'view_type': 'form',
'views': [(view_id.id, 'form')],
'view_id': view_id.id,
'target': 'current',
}
@api.multi
def compute(self):
self.ensure_one()
aep = self.report_id._prepare_aep(self.root_account)
# fetch user language only once
# TODO: is this necessary?
lang = self.env.user.lang
if not lang:
lang = 'en_US'
lang_id = self.env['res.lang'].search([('code', '=', lang)]).id
# compute kpi values for each period
kpi_values_by_period_ids = {}
for period in self.period_ids:
if not period.valid:
continue
kpi_values = period._compute(lang_id, aep)
kpi_values_by_period_ids[period.id] = kpi_values
# prepare header and content
header = []
header.append({
'kpi_name': '',
'cols': []
})
content = []
rows_by_kpi_name = {}
for kpi in self.report_id.kpi_ids:
rows_by_kpi_name[kpi.name] = {
'kpi_name': kpi.description,
'cols': [],
'default_style': kpi.default_css_style
}
content.append(rows_by_kpi_name[kpi.name])
# populate header and content
for period in self.period_ids:
if not period.valid:
continue
# add the column header
if period.duration > 1 or period.type == 'w':
# from, to
if period.period_from and period.period_to:
date_from = period.period_from.name
date_to = period.period_to.name
else:
date_from = self._format_date(lang_id, period.date_from)
date_to = self._format_date(lang_id, period.date_to)
header_date = _('from %s to %s') % (date_from, date_to)
else:
# one period or one day
if period.period_from and period.period_to:
header_date = period.period_from.name
else:
header_date = self._format_date(lang_id, period.date_from)
header[0]['cols'].append(dict(name=period.name, date=header_date))
# add kpi values
kpi_values = kpi_values_by_period_ids[period.id]
for kpi_name in kpi_values:
rows_by_kpi_name[kpi_name]['cols'].append(kpi_values[kpi_name])
# add comparison columns
for compare_col in period.comparison_column_ids:
compare_kpi_values = \
kpi_values_by_period_ids.get(compare_col.id)
if compare_kpi_values:
# add the comparison column header
header[0]['cols'].append(
dict(name=_('%s vs %s') % (period.name,
compare_col.name),
date=''))
# add comparison values
for kpi in self.report_id.kpi_ids:
rows_by_kpi_name[kpi.name]['cols'].append({
'val_r': kpi.render_comparison(
lang_id,
kpi_values[kpi.name]['val'],
compare_kpi_values[kpi.name]['val'],
period.normalize_factor,
compare_col.normalize_factor)
})
return {'header': header,
'content': content}