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report.py
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report.py
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from openerp_proxy.service.service import ServiceBase
from extend_me import ExtensibleType
from openerp_proxy.exceptions import Error
class ReportError(Error):
pass
class ReportResult(object):
""" 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))
"""
__metaclass__ = ExtensibleType._('ReportResult')
def __init__(self, result, path=None):
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
@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.decodestring(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.result).hexdigest()
self._path = content_hash + '.' + self.format
return self._path
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
class ReportService(ServiceBase):
""" Service class to simplify interaction with 'report' service
"""
class Meta:
name = 'report'
def _get_available_reports(self):
""" Returns list of report names registered in system
"""
report_obj = self.proxy.get_obj('ir.actions.report.xml')
return list(set((r.report_name for r in report_obj.search_records([]))))
@property
def available_reports(self):
""" Returns list of report names registered in system
"""
return self._get_available_reports()
def _prepare_report_data(self, model, ids, report_type):
""" Performs preparation of data
"""
ids = [ids] if isinstance(ids, (int, long)) else ids
return {
'model': model,
'id': ids[0],
'ids': ids,
'report_type': report_type,
}
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, (int, long)) else ids
data = self._prepare_report_data(model, ids, report_type)
return self._service.report(self.proxy.dbname,
self.proxy.uid,
self.proxy._pwd,
report_name,
ids,
data,
context)
def report_get(self, report_id, wrap_result=False):
""" 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)
:param bool wrap_result: if set to True, then instead of standard dict,
ReportResult instance will be returned.
default: False
:return: ReportResult or dictinary with keys:
- 'state': boolean, True if report generated correctly
- 'result': base64 encoded content of report file
- 'format': string representing format, report generated in
return type controlled be *wrap_result* parametr
:rtype: dict|ReportResult
"""
if wrap_result:
return ReportResult(self._service.report_get(self.proxy.dbname,
self.proxy.uid,
self.proxy._pwd,
report_id))
else:
return self._service.report_get(self.proxy.dbname,
self.proxy.uid,
self.proxy._pwd,
report_id)
def render_report(self, report_name, model, ids, report_type='pdf', context=None, wrap_result=False):
""" 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.
:param bool wrap_result: if set to True, then instead of standard dict,
ReportResult instance will be returned.
default: False
:return: ReportResult or dictinary with keys:
- 'state': boolean, True if report generated correctly
- 'result': base64 encoded content of report file
- 'format': string representing format, report generated in
return type controlled be *wrap_result* parametr
:rtype: dict|ReportResult
"""
context = {} if context is None else context
ids = [ids] if isinstance(ids, (int, long)) else ids
data = self._prepare_report_data(model, ids, report_type)
if wrap_result:
return ReportResult(self._service.render_report(self.proxy.dbname,
self.proxy.uid,
self.proxy._pwd,
report_name,
ids,
data,
context))
else:
return self._service.render_report(self.proxy.dbname,
self.proxy.uid,
self.proxy._pwd,
report_name,
ids,
data,
context)