""" Report printing logic
Best way to generate report is::
data_records = client['res.partner'].search_records([], limit=10)
report = client.services.report['res.partner'].generate(data_records)
report.content
Or if it is desired to save it on disk::
data_records = client['res.partner'].search_records([], limit=10)
report = client.services.report['res.partner'].generate(data_records)
report.save('filename to save report with')
where *report* is instance of *ReportResult* and *report.content*
returns already *base64* decoded content of report,
which could be directly written to file (or
just use *report.save(path)* method)
"""
import numbers
from extend_me import Extensible
from .service import ServiceBase
from ..orm import (Record,
RecordList)
from ..exceptions import ReportError
[docs]class ReportResult(Extensible):
""" Just a simple and extensible wrapper on report result
As variant of usage - wrap result returned by server methods
``report_get`` and ``render_report`` like::
ReportResult(report_get(report_id))
"""
def __init__(self, report, result, path=None):
self._report = report
self._orig_result = result
self._state = result.get('state', False)
self._result = result.get('result', None)
self._format = result.get('format', None)
self._content = None
self._path = path
# fix result
if self._result:
self._result = self._result.encode('utf-8')
@property
def state(self):
""" Result status. only if True, other fields are available
"""
return self._state
@property
def result(self):
""" Base64-encoded report content.
To get already decoded report content, use ``.content`` property
:raises ReportError: When .state property is False.
This may appear in case when report
is not ready yet, when using
*report* and *report_get* methods
"""
if self.state is False:
raise ReportError("Report seems to be not ready yet")
return self._result
@property
def format(self):
""" Report format
"""
return self._format
@property
def content(self):
""" Report file content. Already base64-decoded
"""
if self._content is None:
import base64
self._content = base64.b64decode(self.result)
return self._content
@property
def path(self):
""" Path where file is located or will be located on save
"""
if self._path is None:
import hashlib
content_hash = hashlib.sha256(self.content)
content_hash = content_hash.hexdigest().encode('utf-8')
report_name_base = self._report.report_action.name.encode('utf-8')
report_name_base = report_name_base.replace(b'/', b'-')\
.replace(b':', b'-')
self._path = str(report_name_base +
content_hash +
b'.' + self.format.encode('utf-8'))
return self._path
[docs] def save(self, path=None):
""" Save's file by specified path or if no path specified
save it in temp dir with automaticly generated name.
"""
if path is not None:
self._path = path
with open(self.path, 'wb') as f:
f.write(self.content)
return self
[docs]class Report(Extensible):
""" Class that represents report.
useful to simplify report generation
:param ReportService service: instance of report service
to bind report to
:param Record report: model of report action
"""
def __init__(self, service, report):
self._service = service
self._report = report
@property
def service(self):
""" Service this report is binded to
"""
return self._service
@property
def report_action(self):
""" Action of this report
"""
return self._report
@property
def name(self):
""" Name of report
"""
return self.report_action.report_name
[docs] def generate(self, model_data, report_type='pdf', context=None):
""" Generate report
:param model_data: RecordList or Record or list of obj_ids.
represent document or documents
to generate report for
:param str report_type: Type of report to generate.
default is 'pdf'.
:param dict context: Aditional info. Optional.
:raises: ReportError
:return: ReportResult instance that contains generated report
:rtype: ReportResult
"""
return self.service.generate_report(self.name,
model_data,
report_type=report_type,
context=context)
[docs]class ReportService(ServiceBase):
""" Service class to simplify interaction with 'report' service
"""
def __init__(self, *args, **kwargs):
super(ReportService, self).__init__(*args, **kwargs)
self._reports = None
def _get_available_reports(self):
""" Returns list of reports registered in system
"""
report_obj = self.client.get_obj('ir.actions.report.xml')
return {r.report_name: Report(self, r)
for r in report_obj.search_records([])}
@property
def available_reports(self):
""" Returns dictionary with all available reports
{<report name> : <Report instance>}
"""
if self._reports is None:
self._reports = self._get_available_reports()
return self._reports
def _prepare_report_data(self, model, ids, report_type):
""" Performs preparation of data
:param str model: model name to generate report for
:param ids: ID or list of IDs to generate report for
:param str report_type: Type of report.
"""
ids = [ids] if isinstance(ids, numbers.Integral) else ids
return {
'model': model,
'id': ids[0],
'ids': ids,
'report_type': report_type,
}
def __getitem__(self, name):
return self.available_reports[name]
def __getattr__(self, name):
try:
res = self[name]
except KeyError as exc:
raise AttributeError(str(exc))
return res
def __contains__(self, report):
return report in self.available_reports
[docs] def report(self, report_name, model, ids, report_type='pdf', context=None):
""" Proxy to report service *report* method
:param str report_name: string representing name of report service
:param str model: name of model to generate report for
:param ids: list of object ID to get report for (or just single id)
:type ids: list of int | int
:param str report_type: Type of report to generate.
default is 'pdf'.
:param dict context: Aditional info. Optional.
:return: ID of report to get by method *report_get*
:rtype: int
"""
context = {} if context is None else context
ids = [ids] if isinstance(ids, numbers.Integral) else ids
data = self._prepare_report_data(model, ids, report_type)
return self._service.report(self.client.dbname,
self.client.uid,
self.client._pwd,
report_name,
ids,
data,
context)
[docs] def report_get(self, report_id):
""" Proxy method to report service *report_get* method
:param int report_id: int that represents ID of report to get
(value returned by report method)
:return: dictinary with keys:
- 'state': boolean, True if report generated correctly
- 'result': base64 encoded content of report file
- 'format': string representing format,
report generated in
:rtype: dict
"""
return self._service.report_get(self.client.dbname,
self.client.uid,
self.client._pwd,
report_id)
[docs] def render_report(self, report_name, model, ids, report_type='pdf',
context=None):
""" Proxy to report service *render_report* method
NOTE: available after version 6.1.
:param str report_name: string representing name of report service
:param str model: name of model to generate report for
:param ids: list of object ID to get report for (or just single id)
:type ids: list of int | int
:param str report_type: Type of report to generate.
default is 'pdf'.
:param dict context: Aditional info. Optional.
:return: dictinary with keys:
- 'state': boolean, True if report generated correctly
- 'result': base64 encoded content of report file
- 'format': string representing report format
:rtype: dict
"""
context = {} if context is None else context
ids = [ids] if isinstance(ids, numbers.Integral) else ids
data = self._prepare_report_data(model, ids, report_type)
return self._service.render_report(self.client.dbname,
self.client.uid,
self.client._pwd,
report_name,
ids,
data,
context)
[docs] def generate_report(self, report_name, report_data, report_type='pdf',
context=None):
""" Generate specified report for specifed report data.
Report data could be RecordList or Record instance.
Result is wrapped into ReportResult class
:param str report_name: string representing name of report service
:param report_data: RecordList or Record or ('model_name', obj_ids)
represent document or documents
to generate report for
:param str report_type: Type of report to generate.
default is 'pdf'.
:param dict context: Aditional info. Optional.
:raises: ReportError
:return: ReportResult instance that contains generated report
:rtype: ReportResult
"""
if isinstance(report_data, RecordList):
obj_ids = report_data.ids
elif isinstance(report_data, Record):
obj_ids = [report_data.id]
else: # report_data is list of object ids
obj_ids = report_data
report_model = self[report_name].report_action.model
report_result = self.render_report(report_name,
report_model,
obj_ids,
report_type=report_type,
context=context)
return ReportResult(self.available_reports[report_name],
report_result)