def write_create_function(model, stream):
fields = [
f for f in model._meta.get_fields() if f.concrete and f.model is model
]
for f in fields:
if getattr(f, 'auto_now_add', False):
# raise Exception("%s.%s.auto_now_add is True : values will be lost!" % (
# full_model_name(model), f.name))
logger.warning("%s.%s.auto_now_add is True : values will be lost!",
full_model_name(model), f.name)
# f.auto_now_add = False
stream.write('def create_%s(%s):\n' % (model._meta.db_table, ', '.join([
f.attname for f in fields if not getattr(f, '_lino_babel_field', False)
])))
for f in fields:
if f.model is model:
pre = ' '
else:
pre = '# '
if isinstance(f, models.DecimalField):
stream.write(pre + 'if %s is not None: %s = Decimal(%s)\n' %
(f.attname, f.attname, f.attname))
elif isinstance(f, ChoiceListField):
lstname = 'settings.SITE.models.{0}.{1}'.format(
f.choicelist.app_label, f.choicelist.__name__)
ln = pre + 'if {0}: {0} = {1}.get_by_value({0})\n'
ln = '#' + ln # no longer needed but maybe useful as a comment
stream.write(ln.format(f.attname, lstname))
elif is_pointer_to_contenttype(f):
stream.write(pre + '%s = new_content_type_id(%s)\n' %
(f.attname, f.attname))
if model._meta.parents:
if len(model._meta.parents) != 1:
msg = "%s : model._meta.parents is %r" % (model,
model._meta.parents)
raise Exception(msg)
pm, pf = list(model._meta.parents.items())[0]
fields = [f for f in fields if f != pf]
stream.write(" kw = dict()\n")
for f in fields:
if f.model is model:
pre = ' '
else:
pre = '# '
if getattr(f, '_lino_babel_field', False):
continue
elif isinstance(f, (BabelCharField, BabelTextField)):
stream.write(pre + 'if %s is not None: kw.update(bv2kw(%r,%s))\n' %
(f.attname, f.attname, f.attname))
else:
stream.write(pre + 'kw.update(%s=%s)\n' % (f.attname, f.attname))
if model._meta.parents:
stream.write(' return create_mti_child(%s, %s, %s, **kw)\n\n' %
(full_model_name(
pm, '_'), pf.attname, full_model_name(model, '_')))
else:
stream.write(' return %s(**kw)\n\n' % full_model_name(model, '_'))
def finalize(self):
"""
"""
self.flush_deferred_objects()
if len(self.AFTER_LOAD_HANDLERS):
logger.info("Finalize %d after_load handlers",
len(self.AFTER_LOAD_HANDLERS))
for h in self.AFTER_LOAD_HANDLERS:
logger.info("Running after_load handler %s", h.__doc__)
h(self)
# logger.info("Loaded %d objects", self.count_objects)
if self.save_later:
count = 0
s = ''
for model, msg_objects in list(self.save_later.items()):
for msg, objects in list(msg_objects.items()):
if False: # detailed content of the first object
s += "\n- %s %s (%d object(s), e.g. %s)" % (
full_model_name(model), msg, len(objects),
obj2str(objects[0].object, force_detailed=True))
else: # pk of all objects
s += "\n- %s %s (%d object(s) with primary key %s)" % (
full_model_name(model), msg, len(objects),
', '.join([str(o.object.pk) for o in objects]))
count += len(objects)
msg = "Abandoning with {} unsaved instances:{}"
logger.warning(msg.format(count, s))
def finalize(self):
"""
"""
self.flush_deferred_objects()
if len(self.AFTER_LOAD_HANDLERS):
logger.info(
"Finalize %d after_load handlers",
len(self.AFTER_LOAD_HANDLERS))
for h in self.AFTER_LOAD_HANDLERS:
logger.info("Running after_load handler %s", h.__doc__)
h(self)
logger.info("Loaded %d objects", self.count_objects)
if self.save_later:
count = 0
s = ''
for model, msg_objects in list(self.save_later.items()):
for msg, objects in list(msg_objects.items()):
if False: # detailed content of the first object
s += "\n- %s %s (%d object(s), e.g. %s)" % (
full_model_name(model), msg, len(objects),
obj2str(objects[0].object, force_detailed=True))
else: # pk of all objects
s += "\n- %s %s (%d object(s) with primary key %s)" % (
full_model_name(model), msg, len(objects),
', '.join([str(o.object.pk) for o in objects]))
count += len(objects)
msg = "Abandoning with %d unsaved instances:%s" % (count, s)
logger.warning(msg)
def sort_models(self, unsorted):
sorted = []
hope = True
"""
20121120 if we convert the list to a set, we gain some performance
for the ``in`` tests, but we obtain a random sorting order for all
independent models, making the double dump test less evident.
"""
#~ 20121120 unsorted = set(unsorted)
while len(unsorted) and hope:
hope = False
guilty = dict()
#~ puts("hope for", [m.__name__ for m in unsorted])
for model in unsorted:
deps = set([
f.rel.model for f in model._meta.fields
if f.rel is not None and f.rel.model is not model
and f.rel.model in unsorted
])
#~ deps += [m for m in model._meta.parents.keys()]
for m in sorted:
if m in deps:
deps.remove(m)
if len(deps):
guilty[model] = deps
else:
sorted.append(model)
unsorted.remove(model)
hope = True
break
#~ ok = True
#~ for d in deps:
#~ if d in unsorted:
#~ ok = False
#~ if ok:
#~ sorted.append(model)
#~ unsorted.remove(model)
#~ hope = True
#~ break
#~ else:
#~ guilty[model] = deps
#~ print model.__name__, "depends on", [m.__name__ for m in deps]
if unsorted:
assert len(unsorted) == len(guilty)
msg = "There are %d models with circular dependencies :\n" % len(
unsorted)
msg += "- " + '\n- '.join([
full_model_name(m) + ' (depends on %s)' %
", ".join([full_model_name(d) for d in deps])
for m, deps in list(guilty.items())
])
if False:
# we don't write them to the .py file because they are
# in random order which would cause false ddt to fail
for ln in msg.splitlines():
self.stream.write('\n# %s' % ln)
logger.info(msg)
sorted.extend(unsorted)
return sorted
def sort_models(self, unsorted):
sorted = []
hope = True
"""
20121120 if we convert the list to a set, we gain some performance
for the ``in`` tests, but we obtain a random sorting order for all
independent models, making the double dump test less evident.
"""
#~ 20121120 unsorted = set(unsorted)
while len(unsorted) and hope:
hope = False
guilty = dict()
#~ puts("hope for", [m.__name__ for m in unsorted])
for model in unsorted:
deps = set([f.rel.model
for f in model._meta.fields
if f.rel is not None and f.rel.model is not model and f.rel.model in unsorted])
#~ deps += [m for m in model._meta.parents.keys()]
for m in sorted:
if m in deps:
deps.remove(m)
if len(deps):
guilty[model] = deps
else:
sorted.append(model)
unsorted.remove(model)
hope = True
break
#~ ok = True
#~ for d in deps:
#~ if d in unsorted:
#~ ok = False
#~ if ok:
#~ sorted.append(model)
#~ unsorted.remove(model)
#~ hope = True
#~ break
#~ else:
#~ guilty[model] = deps
#~ print model.__name__, "depends on", [m.__name__ for m in deps]
if unsorted:
assert len(unsorted) == len(guilty)
msg = "There are %d models with circular dependencies :\n" % len(
unsorted)
msg += "- " + '\n- '.join([
full_model_name(m) + ' (depends on %s)' % ", ".join([
full_model_name(d) for d in deps])
for m, deps in list(guilty.items())])
if False:
# we don't write them to the .py file because they are
# in random order which would cause false ddt to fail
for ln in msg.splitlines():
self.stream.write('\n# %s' % ln)
logger.info(msg)
sorted.extend(unsorted)
return sorted
def add(name):
for f, qs in getattr(self, name):
if qs.count() > 0:
lst.append(
"- %d %s %s rows using %s : %s"
% (qs.count(), name, full_model_name(f.model), f.name, " ".join([str(o.pk) for o in qs]))
)
def value2string(self, obj, field):
if isinstance(field, (BabelCharField, BabelTextField)):
# ~ return repr([repr(x) for x in dbutils.field2args(obj,field.name)])
return repr(settings.SITE.field2args(obj, field.name))
value = field._get_val_from_obj(obj)
# Protected types (i.e., primitives like None, numbers, dates,
# and Decimals) are passed through as is. All other values are
# converted to string first.
if value is None:
# ~ if value is None or value is NOT_PROVIDED:
return "None"
if isinstance(field, models.DateTimeField):
d = value
return "dt(%d,%d,%d,%d,%d,%d)" % (d.year, d.month, d.day, d.hour, d.minute, d.second)
if isinstance(field, models.TimeField):
d = value
return "time(%d,%d,%d)" % (d.hour, d.minute, d.second)
if is_pointer_to_contenttype(field):
ContentType = settings.SITE.modules.contenttypes.ContentType
ct = ContentType.objects.get(pk=value)
return full_model_name(ct.model_class(), "_")
# ~ return "'"+full_model_name(ct.model_class())+"'"
# ~ return repr(tuple(value.app_label,value.model))
if isinstance(field, models.DateField):
d = value
return "date(%d,%d,%d)" % (d.year, d.month, d.day)
# ~ return 'i2d(%4d%02d%02d)' % (d.year,d.month,d.day)
if isinstance(value, (float, Decimal)):
return repr(str(value))
if isinstance(value, int):
return str(value)
return repr(field.value_to_string(obj))
def __init__(self, model, **kw):
fields = dict(
#~ merge_from=models.ForeignKey(model,verbose_name=_("Merge...")),
merge_to=models.ForeignKey(model,
verbose_name=_("into..."),
blank=False,
null=False),
reason=models.CharField(_("Reason"), max_length=100)
#~ notify=models.BooleanField(_("Send notifications"))
)
keep_volatiles = []
# logger.info("20160621 MergeAction for %s", model)
# logger.info("20160621 MergeAction for %s : _lino_ddh.fklist is %s",
# model, model._lino_ddh.fklist)
for m, fk in traverse_ddh_fklist(model):
if fk.name in m.allow_cascaded_delete:
fieldname = full_model_name(m, '_')
if fieldname not in keep_volatiles:
keep_volatiles.append(fieldname)
fields[fieldname] = models.BooleanField(
m._meta.verbose_name_plural, default=False)
# logger.info(
# "20160621 %r in %r", fk.name, m.allow_cascaded_delete)
layout = dict()
if len(keep_volatiles) == 0:
width = 50
main = """
merge_to
reason
"""
else:
COLCOUNT = 2
width = 70
if len(keep_volatiles) > COLCOUNT:
tpl = ''
for i, name in enumerate(keep_volatiles):
if i % COLCOUNT == 0:
tpl += '\n'
else:
tpl += ' '
tpl += name
else:
tpl = ' '.join(keep_volatiles)
main = """
merge_to
keep_volatiles
reason
"""
layout.update(keep_volatiles=layouts.Panel(
tpl, label=_("Also reassign volatile related objects")))
layout.update(window_size=(width, 'auto'))
kw.update(parameters=fields,
params_layout=layouts.Panel(main, **layout))
super(MergeAction, self).__init__(**kw)
def value2string(self, obj, field):
if isinstance(field, (BabelCharField, BabelTextField)):
return repr(settings.SITE.field2args(obj, field.name))
value = field._get_val_from_obj(obj)
# Protected types (i.e., primitives like None, numbers, dates,
# and Decimals) are passed through as is. All other values are
# converted to string first.
if value is None:
#~ if value is None or value is NOT_PROVIDED:
return 'None'
if isinstance(field, models.DateTimeField):
d = value
return 'dt(%d,%d,%d,%d,%d,%d)' % (d.year, d.month, d.day, d.hour,
d.minute, d.second)
if isinstance(field, models.TimeField):
d = value
return 'time(%d,%d,%d)' % (d.hour, d.minute, d.second)
if isinstance(field,
models.ForeignKey) and field.rel.to is ContentType:
ct = ContentType.objects.get(pk=value)
return full_model_name(ct.model_class(), '_')
#~ return "'"+full_model_name(ct.model_class())+"'"
#~ return repr(tuple(value.app_label,value.model))
if isinstance(field, models.DateField):
d = value
return 'date(%d,%d,%d)' % (d.year, d.month, d.day)
#~ return 'i2d(%4d%02d%02d)' % (d.year,d.month,d.day)
if isinstance(value, (float, Decimal)):
return repr(str(value))
if isinstance(value, (int, long)):
return str(value)
return repr(field.value_to_string(obj))
def test_controllables(self):
found = []
for M in rt.models_by_base(Controllable):
found.append(full_model_name(M))
expected = """cal.Event cal.Task excerpts.Excerpt
notes.Note notifier.Notification outbox.Attachment outbox.Mail
plausibility.Problem uploads.Upload""".split()
self.assertEqual(found, expected)
Person = rt.modules.contacts.Person
Note = rt.modules.notes.Note
Excerpt = rt.modules.excerpts.Excerpt
ExcerptType = rt.modules.excerpts.ExcerptType
ContentType = rt.modules.contenttypes.ContentType
self.assertEqual(len(Person.allow_cascaded_delete), 0)
self.assertEqual(len(Note.allow_cascaded_delete), 0)
self.assertEqual(len(Excerpt.allow_cascaded_delete), 1)
doe = create(Person, first_name="John", last_name="Doe")
note = create(Note, owner=doe, body="John Doe is a fink!")
ct = ContentType.objects.get_for_model(Note)
etype = create(ExcerptType, name="Note", content_type=ct)
excerpt = create(Excerpt, owner=note,
excerpt_type=etype)
self.assertEqual(Person.objects.count(), 1)
self.assertEqual(Note.objects.count(), 1)
self.assertEqual(Excerpt.objects.count(), 1)
ar = rt.modules.notes.Notes.request()
s = ar.to_rst(column_names="id owner")
self.assertEqual(s, """\
==== ===============
ID Controlled by
---- ---------------
1 *John Doe*
==== ===============
""")
ar = rt.modules.excerpts.Excerpts.request()
s = ar.to_rst(column_names="id owner")
self.assertEqual(s, """\
==== ===============
ID Controlled by
---- ---------------
1 *Note #1*
==== ===============
""")
self.assertEqual(excerpt.disable_delete(), None)
self.assertEqual(note.disable_delete(), None)
self.assertEqual(doe.disable_delete(), None)
# it is not "Cannot delete John Doe because 1 Notes refer to
# it." because Note.owner is nullable.
note.delete()
self.assertEqual(Excerpt.objects.count(), 0)
self.assertEqual(ExcerptType.objects.count(), 1)
def value2string(self, obj, field):
from django.contrib.contenttypes.models import ContentType
if isinstance(field, (BabelCharField, BabelTextField)):
return repr(settings.SITE.field2args(obj, field.name))
value = field._get_val_from_obj(obj)
# Protected types (i.e., primitives like None, numbers, dates,
# and Decimals) are passed through as is. All other values are
# converted to string first.
if value is None:
#~ if value is None or value is NOT_PROVIDED:
return 'None'
if isinstance(field, models.DateTimeField):
d = value
return 'dt(%d,%d,%d,%d,%d,%d)' % (
d.year, d.month, d.day, d.hour, d.minute, d.second)
if isinstance(field, models.TimeField):
d = value
return 'time(%d,%d,%d)' % (d.hour, d.minute, d.second)
if isinstance(field, ForeignKey) and field.rel.model is ContentType:
ct = ContentType.objects.get(pk=value)
return full_model_name(ct.model_class(), '_')
#~ return "'"+full_model_name(ct.model_class())+"'"
#~ return repr(tuple(value.app_label,value.model))
if isinstance(field, models.DateField):
d = value
return 'date(%d,%d,%d)' % (d.year, d.month, d.day)
#~ return 'i2d(%4d%02d%02d)' % (d.year,d.month,d.day)
if isinstance(value, (float, Decimal)):
return repr(str(value))
if isinstance(value, int):
return str(value)
return repr(field.value_to_string(obj))
def __init__(self, model, **kw):
fields = dict(
#~ merge_from=models.ForeignKey(model,verbose_name=_("Merge...")),
merge_to=models.ForeignKey(
model, verbose_name=_("into..."), blank=False, null=False),
reason=models.CharField(_("Reason"), max_length=100)
#~ notify=models.BooleanField(_("Send notifications"))
)
keep_volatiles = []
# logger.info("20160621 MergeAction for %s", model)
# logger.info("20160621 MergeAction for %s : _lino_ddh.fklist is %s",
# model, model._lino_ddh.fklist)
for m, fk in traverse_ddh_fklist(model):
if fk.name in m.allow_cascaded_delete:
fieldname = full_model_name(m, '_')
if fieldname not in keep_volatiles:
keep_volatiles.append(fieldname)
fields[fieldname] = models.BooleanField(
m._meta.verbose_name_plural, default=False)
# logger.info(
# "20160621 %r in %r", fk.name, m.allow_cascaded_delete)
layout = dict()
if len(keep_volatiles) == 0:
width = 50
main = """
merge_to
reason
"""
else:
COLCOUNT = 2
width = 70
if len(keep_volatiles) > COLCOUNT:
tpl = ''
for i, name in enumerate(keep_volatiles):
if i % COLCOUNT == 0:
tpl += '\n'
else:
tpl += ' '
tpl += name
else:
tpl = ' '.join(keep_volatiles)
main = """
merge_to
keep_volatiles
reason
"""
layout.update(keep_volatiles=layouts.Panel(
tpl, label=_("Also reassign volatile related objects")))
layout.update(window_size=(width, 'auto'))
kw.update(
parameters=fields,
params_layout=layouts.Panel(main, **layout))
super(MergeAction, self).__init__(**kw)
def fk_display(obj, value):
ct = getattr(obj, self.ct_field)
if ct:
try:
return unicode(ct.get_object_for_this_type(pk=value))
except ct.model_class().DoesNotExist:
return "%s with pk %r does not exist" % (
full_model_name(ct.model_class()), value)
def fk_display(obj, value):
ct = getattr(obj, self.ct_field)
if ct:
try:
return unicode(ct.get_object_for_this_type(pk=value))
except ct.model_class().DoesNotExist:
return "%s with pk %r does not exist" % (
full_model_name(ct.model_class()), value)
def add(name):
for f, qs in getattr(self, name):
if qs.count() > 0:
lst.append('- %d %s %s rows using %s : %s' % (
qs.count(),
name,
full_model_name(f.model),
f.name,
' '.join([str(o.pk) for o in qs])))
def finalize(self):
"""
"""
self.flush_deferred_objects()
if len(self.AFTER_LOAD_HANDLERS):
logger.info(
"Finalize %d after_load handlers",
len(self.AFTER_LOAD_HANDLERS))
for h in self.AFTER_LOAD_HANDLERS:
logger.info("Running after_load handler %s", h.__doc__)
h(self)
# logger.info("Loaded %d objects", self.count_objects)
if self.save_later:
count = 0
s = ''
for model, msg_objects in list(self.save_later.items()):
for msg, objects in list(msg_objects.items()):
if False: # detailed content of the first object
s += "\n- %s %s (%d object(s), e.g. %s)" % (
full_model_name(model), msg, len(objects),
obj2str(objects[0].object, force_detailed=True))
else: # pk of all objects
s += "\n- %s %s (%d object(s) with primary key %s)" % (
full_model_name(model), msg, len(objects),
', '.join([str(o.object.pk) for o in objects]))
count += len(objects)
msg = "Abandoning with {} unsaved instances:{}"
logger.warning(msg.format(count, s))
# Don't raise an exception. The unsaved instances got lost and
# the loaddata should be done again, but meanwhile the database
# is not necessarily invalid and may be used for further testing.
# And anyway, loaddata would catch it and still continue.
# raise Exception(msg)
settings.SITE.loading_from_dump = False
def finalize(self):
"""
"""
self.flush_deferred_objects()
if len(self.AFTER_LOAD_HANDLERS):
logger.info(
"Finalize %d after_load handlers",
len(self.AFTER_LOAD_HANDLERS))
for h in self.AFTER_LOAD_HANDLERS:
logger.info("Running after_load handler %s", h.__doc__)
h(self)
# logger.info("Loaded %d objects", self.count_objects)
if self.save_later:
count = 0
s = ''
for model, msg_objects in list(self.save_later.items()):
for msg, objects in list(msg_objects.items()):
if False: # detailed content of the first object
s += "\n- %s %s (%d object(s), e.g. %s)" % (
full_model_name(model), msg, len(objects),
obj2str(objects[0].object, force_detailed=True))
else: # pk of all objects
s += "\n- %s %s (%d object(s) with primary key %s)" % (
full_model_name(model), msg, len(objects),
', '.join([str(o.object.pk) for o in objects]))
count += len(objects)
msg = "Abandoning with {} unsaved instances:{}"
logger.warning(msg.format(count, s))
# Don't raise an exception. The unsaved instances got lost and
# the loaddata should be done again, but meanwhile the database
# is not necessarily invalid and may be used for further testing.
# And anyway, loaddata would catch it and still continue.
# raise Exception(msg)
settings.SITE.loading_from_dump = False
def get_by_id(model, pk, offset=0, warn=True):
if not pk:
return None
pk = int(pk)
if pk == 0:
return None
try:
return model.objects.get(pk=pk + offset)
except model.DoesNotExist:
if warn:
dblogger.warning("%s %r does not exist?!",
full_model_name(model), pk)
return None
def analyze(self):
self.volatiles = []
self.related = []
for m, fk in self.obj._lino_ddh.fklist:
qs = m.objects.filter(**{fk.name: self.obj})
if fk.name in m.allow_cascaded_delete and not self.keep_volatiles.get(full_model_name(m, "_")):
self.volatiles.append((fk, qs))
else:
self.related.append((fk, qs))
self.generic_related = []
for gfk, fk, qs in settings.SITE.kernel.get_generic_related(self.obj):
if not getattr(gfk, "dont_merge", False):
self.generic_related.append((gfk, qs))
def analyze(self):
self.volatiles = []
self.related = []
for m, fk in self.obj._lino_ddh.fklist:
qs = m.objects.filter(**{fk.name: self.obj})
if fk.name in m.allow_cascaded_delete and \
not self.keep_volatiles.get(full_model_name(m, '_')):
self.volatiles.append((fk, qs))
else:
self.related.append((fk, qs))
self.generic_related = []
for gfk, fk, qs in settings.SITE.kernel.get_generic_related(self.obj):
if not getattr(gfk, 'dont_merge', False):
self.generic_related.append((gfk, qs))
def analyze(self):
self.volatiles = []
self.related = []
self.generic_related = []
# logger.info("20160621 ddh.fklist is %s", self.obj._lino_ddh.fklist)
for m, fk in traverse_ddh_fklist(self.obj.__class__):
qs = m.objects.filter(**{fk.name: self.obj})
if fk.name in m.allow_cascaded_delete and \
not self.keep_volatiles.get(full_model_name(m, '_')):
self.volatiles.append((fk, qs))
else:
self.related.append((fk, qs))
for gfk, fk, qs in settings.SITE.kernel.get_generic_related(self.obj):
if not getattr(gfk, 'dont_merge', False):
self.generic_related.append((gfk, qs))
def analyze(self):
self.volatiles = []
self.related = []
self.generic_related = []
# logger.info("20160621 ddh.fklist is %s", self.obj._lino_ddh.fklist)
for m, fk in traverse_ddh_fklist(self.obj.__class__):
qs = m.objects.filter(**{fk.name: self.obj})
if fk.name in m.allow_cascaded_delete and \
not self.keep_volatiles.get(full_model_name(m, '_')):
self.volatiles.append((fk, qs))
else:
self.related.append((fk, qs))
for gfk, fk, qs in settings.SITE.kernel.get_generic_related(self.obj):
if not getattr(gfk, 'dont_merge', False):
self.generic_related.append((gfk, qs))
def show_db_overview(self):
"""Return a reStructredText-formatted "database overview" report.
Used by test cases in tested documents.
"""
from lino.core.utils import (full_model_name, sorted_models_list)
models_list = sorted_models_list()
apps = [p.app_label for p in settings.SITE.installed_plugins]
s = "%d apps: %s." % (len(apps), ", ".join(apps))
s += "\n%d models:\n" % len(models_list)
i = 0
headers = [
#~ "No.",
"Name",
"Default table",
#~ "M",
"#fields",
"#rows",
#~ ,"first","last"
]
rows = []
for model in models_list:
if True: # model._meta.managed:
i += 1
cells = []
#~ cells.append(str(i))
cells.append(full_model_name(model))
cells.append(model.get_default_table())
#~ cells.append(str(model))
#~ if model._meta.managed:
#~ cells.append('X')
#~ else:
#~ cells.append('')
cells.append(str(len(model._meta.concrete_fields)))
qs = model.objects.all()
n = qs.count()
cells.append(str(n))
#~ if n:
#~ cells.append(obj2str(qs[0]))
#~ cells.append(obj2str(qs[n-1]))
#~ else:
#~ cells.append('')
#~ cells.append('')
rows.append(cells)
s += rstgen.table(headers, rows)
return s
def show_db_overview(self):
"""Return a reStructredText-formatted "database overview" report.
Used by test cases in tested documents.
"""
from lino.core.utils import (full_model_name, sorted_models_list)
models_list = sorted_models_list()
apps = [p.app_label for p in settings.SITE.installed_plugins]
s = "%d apps: %s." % (len(apps), ", ".join(apps))
s += "\n%d models:\n" % len(models_list)
i = 0
headers = [
#~ "No.",
"Name",
"Default table",
#~ "M",
"#fields",
"#rows",
#~ ,"first","last"
]
rows = []
for model in models_list:
if True: # model._meta.managed:
i += 1
cells = []
#~ cells.append(str(i))
cells.append(full_model_name(model))
cells.append(model.get_default_table())
#~ cells.append(str(model))
#~ if model._meta.managed:
#~ cells.append('X')
#~ else:
#~ cells.append('')
cells.append(str(len(model._meta.concrete_fields)))
qs = model.objects.all()
n = qs.count()
cells.append(str(n))
#~ if n:
#~ cells.append(obj2str(qs[0]))
#~ cells.append(obj2str(qs[n-1]))
#~ else:
#~ cells.append('')
#~ cells.append('')
rows.append(cells)
s += rstgen.table(headers, rows)
return s
def show_fields_by_type(fldtype):
"""Print a list of all fields (in all models) that have the specified type.
"""
from lino.core.utils import (sorted_models_list)
items = []
for model in sorted_models_list():
flds = []
for f in model._meta.fields:
if isinstance(f, fldtype):
name = f.name
verbose_name = force_text(f.verbose_name).strip()
txt = "{verbose_name} ({name})".format(**locals())
flds.append(txt)
if len(flds):
txt = "{model} : {fields}".format(model=full_model_name(model),
fields=", ".join(flds))
items.append(txt)
print(rstgen.ul(items))
def value2string(self, obj, field):
if isinstance(field, (BabelCharField, BabelTextField)):
#~ return repr([repr(x) for x in dbutils.field2args(obj,field.name)])
return repr(settings.SITE.field2args(obj, field.name))
# value = field._get_val_from_obj(obj)
value = field.value_from_object(obj)
# Protected types (i.e., primitives like None, numbers, dates,
# and Decimals) are passed through as is. All other values are
# converted to string first.
if value is None:
#~ if value is None or value is NOT_PROVIDED:
return 'None'
if isinstance(field, models.DateTimeField):
if is_aware(value):
d = make_naive(value, timezone=utc)
else:
d = value
return 'dt(%d,%d,%d,%d,%d,%d)' % (d.year, d.month, d.day, d.hour,
d.minute, d.second)
if isinstance(field, models.TimeField):
d = value
return 'time(%d,%d,%d)' % (d.hour, d.minute, d.second)
if is_pointer_to_contenttype(field):
ContentType = settings.SITE.models.contenttypes.ContentType
ct = ContentType.objects.get(pk=value)
return full_model_name(ct.model_class(), '_')
#~ return "'"+full_model_name(ct.model_class())+"'"
#~ return repr(tuple(value.app_label,value.model))
if isinstance(field, models.DateField):
d = value
return 'date(%d,%d,%d)' % (d.year, d.month, d.day)
#~ return 'i2d(%4d%02d%02d)' % (d.year,d.month,d.day)
if isinstance(value, (float, Decimal)):
return repr(str(value))
if isinstance(value, int):
return str(value)
return repr(field.value_to_string(obj))
def model_name(m):
return settings.SITE.userdocs_prefix + full_model_name(m).lower()
def get_rst(self):
#~ from actordoc import get_actor_description
#~ from django.conf import settings
#~ from djangosite.dbutils import set_language
with translation.override(self.language):
level, cls = resolve_name(self.content[0])
if isinstance(cls, models.Field):
fld = cls
s = ''
name = str(fld.model) + '.' + fld.name
title = force_text(fld.verbose_name).strip()
s += "\n.. index::\n single: "
s += str(_('%(field)s (field in %(model)s)') % dict(
field=title, model=model_ref(fld.model)))
s += '\n\n'
s += rstgen.header(level, _("%s (field)") % title)
if len(self.content) > 1:
s += '\n'.join(self.content[1:])
s += '\n\n'
return s
if isinstance(cls, Plugin):
s = ''
title = str(cls.verbose_name)
s += "\n.. index::\n single: "
s += str(_('%s (app)') % title)
s += '\n\n.. _' + name + ':\n'
s += '\n'
s += rstgen.header(level, _("%s (app)") % title)
return s
if not isinstance(cls, type):
raise Exception("%s is not an actor." % self.content[0])
if issubclass(cls, models.Model):
model = cls
s = ''
name = model_name(model).lower()
title = force_text(model._meta.verbose_name)
s += "\n.. index::\n single: "
s += str(_('%(model)s (model in %(app)s)') % dict(
model=title, app=model._meta.app_label))
s += '\n\n'
s += '\n\n.. _' + name + ':\n'
s += '\n'
s += rstgen.header(level, _("%s (model)") % title)
s += '\n'
s += '\n:Internal name: ``%s``\n' % full_model_name(cls)
s += '\n:Implemented by: %s\n' % typeref(cls)
s += '\n'
if len(self.content) > 1:
s += '\n'.join(self.content[1:])
s += '\n\n'
model_reports = [
r for r in kernel.master_tables if r.model is cls]
model_reports += [r for r in kernel.slave_tables
if r.model is cls]
s += rstgen.boldheader(_("Views on %s") %
cls._meta.verbose_name)
s += actors_overview_ul(model_reports)
s += rstgen.boldheader(_("Fields in %s") %
cls._meta.verbose_name)
s += fields_ul(cls._meta.fields)
action_list = cls.get_default_table().get_actions()
action_list = [
ba for ba in action_list
if not isinstance(ba.action, IGNORED_ACTIONS)]
if action_list:
s += '\n'
s += rstgen.boldheader(_("Actions on %s") %
cls._meta.verbose_name)
s += actions_ul(action_list)
slave_tables = getattr(cls, '_lino_slaves', {}).values()
if slave_tables:
s += rstgen.boldheader(_("Tables referring to %s") %
cls._meta.verbose_name)
s += actors_overview_ul(slave_tables)
return s
if issubclass(cls, actors.Actor):
title = force_text(cls.label or cls.title)
indextext = _('%(actor)s (view in %(app)s)') % dict(
actor=title, app=cls.app_label)
name = actor_name(cls)
#~ if name == 'welfare.reception.waitingvisitors':
#~ self.debug = True
#~ print(20130907, name)
self.index_entries.append(('single', indextext, name, ''))
#~ self.add_ref_target(name,name)
s = ''
s += '\n\n.. _%s:\n\n' % name
s += rstgen.header(level, _("%s (view)") % title)
s += '\n:Internal name: ``%s`` (%s)\n' % (cls, typeref(cls))
if len(self.content) > 1:
s += '\n'.join(self.content[1:])
s += '\n\n'
s += '\n\n'
s += get_actor_description(cls)
s += '\n\n'
return s
raise Exception("Cannot handle actor %r." % cls)
def write_files(self):
puts("Writing {0}...".format(self.main_file))
self.stream = open(self.main_file, 'wt')
current_version = settings.SITE.version
self.stream.write('''\
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# This is a Python dump created using dump2py.
# DJANGO_SETTINGS_MODULE was %r, TIME_ZONE was %r.
''' % (settings.SETTINGS_MODULE, settings.TIME_ZONE))
self.stream.write('''
from __future__ import unicode_literals
import logging
logger = logging.getLogger('%s')
import os
''' % __name__)
self.stream.write('SOURCE_VERSION = %r\n' % str(current_version))
self.stream.write('''
from decimal import Decimal
from datetime import datetime
from datetime import time, date
from django.conf import settings
from django.utils.timezone import make_aware
# from django.contrib.contenttypes.models import ContentType
from lino.utils.dpy import create_mti_child
from lino.utils.dpy import DpyLoader
from lino.core.utils import resolve_model
if settings.USE_TZ:
def dt(*args):
return make_aware(datetime(*args))
else:
def dt(*args):
return datetime(*args)
def new_content_type_id(m):
if m is None: return m
ct = settings.SITE.models.contenttypes.ContentType.objects.get_for_model(m)
if ct is None: return None
return ct.pk
''')
s = ','.join([
'%s=values[%d]' % (lng.name, lng.index)
for lng in settings.SITE.languages])
self.stream.write('''
def bv2kw(fieldname, values):
"""
Needed if `Site.languages` changed between dumpdata and loaddata
"""
return settings.SITE.babelkw(fieldname, %s)
''' % s)
self.models = sorted_models_list()
if settings.SITE.is_installed('contenttypes'):
from django.contrib.contenttypes.models import ContentType
self.models = [m for m in self.models
if not issubclass(m, ContentType)]
if settings.SITE.is_installed('sessions'):
from django.contrib.sessions.models import Session
self.models = [m for m in self.models
if not issubclass(m, Session)]
for model in self.models:
self.stream.write('%s = resolve_model("%s")\n' % (
full_model_name(model, '_'), full_model_name(model)))
self.stream.write('\n')
self.models = self.sort_models(self.models)
self.stream.write('\n')
for model in self.models:
fields = [f for f in model._meta.get_fields()
if f.concrete and f.model is model]
for f in fields:
if getattr(f, 'auto_now_add', False):
raise Exception("%s.%s.auto_now_add is True : values will be lost!" % (
full_model_name(model), f.name))
#~ fields = model._meta.local_fields
#~ fields = [f for f in model._meta.fields if f.serialize]
#~ fields = [f for f in model._meta.local_fields if f.serialize]
self.stream.write('def create_%s(%s):\n' % (
model._meta.db_table, ', '.join([
f.attname for f in fields
if not getattr(f, '_lino_babel_field', False)])))
for f in fields:
if isinstance(f, models.DecimalField):
self.stream.write(
' if %s is not None: %s = Decimal(%s)\n' % (
f.attname, f.attname, f.attname))
elif isinstance(f, ChoiceListField):
lstname = 'settings.SITE.modules.{0}.{1}'.format(
f.choicelist.app_label, f.choicelist.__name__)
ln = ' if {0}: {0} = {1}.get_by_value({0})\n'
self.stream.write(ln.format(f.attname, lstname))
elif is_pointer_to_contenttype(f):
self.stream.write(
' %s = new_content_type_id(%s)\n' % (
f.attname, f.attname))
if model._meta.parents:
if len(model._meta.parents) != 1:
msg = "%s : model._meta.parents is %r" % (
model, model._meta.parents)
raise Exception(msg)
pm, pf = list(model._meta.parents.items())[0]
child_fields = [f for f in fields if f != pf]
if child_fields:
attrs = ',' + ','.join([
'%s=%s' % (f.attname, f.attname)
for f in child_fields])
else:
attrs = ''
self.stream.write(
' return create_mti_child(%s, %s, %s%s)\n' % (
full_model_name(pm, '_'), pf.attname,
full_model_name(model, '_'), attrs))
else:
self.stream.write(" kw = dict()\n")
for f in fields:
if getattr(f, '_lino_babel_field', False):
continue
elif isinstance(f, (BabelCharField, BabelTextField)):
self.stream.write(
' if %s is not None: kw.update(bv2kw(%r,%s))\n' % (
f.attname, f.attname, f.attname))
else:
self.stream.write(
' kw.update(%s=%s)\n' % (f.attname, f.attname))
self.stream.write(' return %s(**kw)\n\n' %
full_model_name(model, '_'))
self.stream.write('\n')
#~ used_models = set()
self.stream.write("""
def main(args):
loader = DpyLoader(globals())
from django.core.management import call_command
call_command('initdb', interactive=args.interactive)
os.chdir(os.path.dirname(__file__))
loader.initialize()
""")
for model in progress.bar(self.models):
filename = '%s.py' % model._meta.db_table
filename = os.path.join(self.output_dir, filename)
# puts("Writing {0}...".format(filename))
# stream = file(filename, 'wt')
stream = open(filename, 'wt')
stream.write('# -*- coding: UTF-8 -*-\n')
qs = model.objects.all()
try:
stream.write(
'logger.info("Loading %d objects to table %s...")\n' % (
qs.count(), model._meta.db_table))
fields = [f for f in model._meta.get_fields()
if f.concrete and f.model is model]
fields = [
f for f in fields
if not getattr(f, '_lino_babel_field', False)]
stream.write(
"# fields: %s\n" % ', '.join(
[f.name for f in fields]))
for obj in qs:
self.count_objects += 1
#~ used_models.add(model)
stream.write('loader.save(create_%s(%s))\n' % (
obj._meta.db_table,
','.join([self.value2string(obj, f) for f in fields])))
stream.write('\n')
stream.write('loader.flush_deferred_objects()\n')
except DatabaseError as e:
self.database_errors += 1
if not self.options['tolerate']:
raise
stream.write('\n')
logger.warning("Tolerating database error %s in %s",
e, model._meta.db_table)
msg = ("The data of this table has not been dumped"
"because an error {0} occured.").format(e)
stream.write('raise Exception("{0}")\n'.format(msg))
stream.close()
#~ self.stream.write('\nfilename = os.path.join(os.path.dirname(__file__),"%s.py")\n' % )
self.stream.write(' execfile("%s.py")\n' % model._meta.db_table)
self.stream.write(
' loader.finalize()\n')
# self.stream.write(
# ' logger.info("Loaded %d objects",loader.count_objects)\n')
self.stream.write("""
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(description='Restore the data.')
parser.add_argument('--noinput', dest='interactive',
action='store_false', default=True,
help="Don't ask for confirmation before flushing the database.")
args = parser.parse_args()
main(args)
""")
#~ self.stream.write('\nsettings.SITE.load_from_file(globals())\n')
self.stream.close()
def write_files(self):
puts("Writing {0}...".format(self.main_file))
self.stream = open(self.main_file, 'wt')
current_version = settings.SITE.version
self.stream.write("""\
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
""")
self.stream.write('''\
"""
This is a Python dump created using %s.
''' % settings.SITE.using_text())
#~ self.stream.write(settings.SITE.welcome_text())
self.stream.write('''
"""
from __future__ import unicode_literals
import logging
logger = logging.getLogger('%s')
import os
''' % __name__)
if False:
self.stream.write("""
os.environ['DJANGO_SETTINGS_MODULE'] = '%s'
""" % settings.SETTINGS_MODULE)
self.stream.write('SOURCE_VERSION = %r\n' % str(current_version))
self.stream.write('''
from decimal import Decimal
from datetime import datetime as dt
from datetime import time,date
from django.conf import settings
from django.contrib.contenttypes.models import ContentType
from lino.utils.dpy import create_mti_child
from lino.utils.dpy import DpyLoader
from lino.core.utils import resolve_model
def new_content_type_id(m):
if m is None: return m
ct = ContentType.objects.get_for_model(m)
if ct is None: return None
return ct.pk
''')
s = ','.join([
'%s=values[%d]' % (lng.name, lng.index)
for lng in settings.SITE.languages
])
self.stream.write('''
def bv2kw(fieldname, values):
"""
Needed if `Site.languages` changed between dumpdata and loaddata
"""
return settings.SITE.babelkw(fieldname, %s)
''' % s)
self.models = [
m for m in sorted_models_list()
if not issubclass(m, (ContentType, Session))
]
for model in self.models:
self.stream.write(
'%s = resolve_model("%s")\n' %
(full_model_name(model, '_'), full_model_name(model)))
self.stream.write('\n')
self.models = self.sort_models(self.models)
self.stream.write('\n')
for model in self.models:
fields = [
f for f, m in model._meta.get_fields_with_model() if m is None
]
if AFTER17:
fields = [f for f in fields if f.concrete]
for f in fields:
if getattr(f, 'auto_now_add', False):
raise Exception(
"%s.%s.auto_now_add is True : values will be lost!" %
(full_model_name(model), f.name))
#~ fields = model._meta.local_fields
#~ fields = [f for f in model._meta.fields if f.serialize]
#~ fields = [f for f in model._meta.local_fields if f.serialize]
self.stream.write('def create_%s(%s):\n' %
(model._meta.db_table, ', '.join([
f.attname for f in fields
if not getattr(f, '_lino_babel_field', False)
])))
if model._meta.parents:
if len(model._meta.parents) != 1:
msg = "%s : model._meta.parents is %r" % (
model, model._meta.parents)
raise Exception(msg)
pm, pf = model._meta.parents.items()[0]
child_fields = [f for f in fields if f != pf]
if child_fields:
attrs = ',' + ','.join([
'%s=%s' % (f.attname, f.attname) for f in child_fields
])
else:
attrs = ''
#~ self.stream.write(' return insert_child(%s.objects.get(pk=%s),%s%s)\n' % (
#~ full_model_name(pm,'_'),pf.attname,full_model_name(model,'_'),attrs))
self.stream.write(' return create_mti_child(%s,%s,%s%s)\n' %
(full_model_name(pm, '_'), pf.attname,
full_model_name(model, '_'), attrs))
else:
self.stream.write(" kw = dict()\n")
for f in fields:
if getattr(f, '_lino_babel_field', False):
continue
elif isinstance(f, (BabelCharField, BabelTextField)):
self.stream.write(
' if %s is not None: kw.update(bv2kw(%r,%s))\n'
% (f.attname, f.attname, f.attname))
else:
if isinstance(f, models.DecimalField):
self.stream.write(
' if %s is not None: %s = Decimal(%s)\n' %
(f.attname, f.attname, f.attname))
elif isinstance(
f,
models.ForeignKey) and f.rel.to is ContentType:
#~ self.stream.write(
#~ ' %s = ContentType.objects.get_for_model(%s).pk\n' % (
#~ f.attname,f.attname))
self.stream.write(
' %s = new_content_type_id(%s)\n' %
(f.attname, f.attname))
self.stream.write(' kw.update(%s=%s)\n' %
(f.attname, f.attname))
self.stream.write(' return %s(**kw)\n\n' %
full_model_name(model, '_'))
self.stream.write('\n')
#~ used_models = set()
self.stream.write("""
def main():
loader = DpyLoader(globals())
from django.core.management import call_command
# call_command('initdb', interactive=False)
call_command('initdb')
os.chdir(os.path.dirname(__file__))
loader.initialize()
""")
for model in progress.bar(self.models):
filename = '%s.py' % model._meta.db_table
filename = os.path.join(self.output_dir, filename)
# puts("Writing {0}...".format(filename))
stream = file(filename, 'wt')
stream.write('# -*- coding: UTF-8 -*-\n')
qs = model.objects.all()
try:
stream.write(
'logger.info("Loading %d objects to table %s...")\n' %
(qs.count(), model._meta.db_table))
fields = [
f for f, m in model._meta.get_fields_with_model()
if m is None
]
fields = [
f for f in fields
if not getattr(f, '_lino_babel_field', False)
]
if AFTER17:
fields = [f for f in fields if f.concrete]
stream.write("# fields: %s\n" %
', '.join([f.name for f in fields]))
for obj in qs:
self.count_objects += 1
#~ used_models.add(model)
stream.write(
'loader.save(create_%s(%s))\n' %
(obj._meta.db_table, ','.join(
[self.value2string(obj, f) for f in fields])))
stream.write('\n')
stream.write('loader.flush_deferred_objects()\n')
except ProgrammingError as e:
if not self.options['tolerate']:
raise
stream.write('\n')
logger.warning("Tolerating database error %s in %s", e,
model._meta.db_table)
msg = ("The data of this table has not been dumped"
"because an error {0} occured.").format(e)
stream.write('raise Exception("{0}")\n'.format(msg))
stream.close()
#~ self.stream.write('\nfilename = os.path.join(os.path.dirname(__file__),"%s.py")\n' % )
self.stream.write(' execfile("%s.py")\n' % model._meta.db_table)
self.stream.write(' loader.finalize()\n')
# self.stream.write(
# ' logger.info("Loaded %d objects",loader.count_objects)\n')
self.stream.write("""
if __name__ == '__main__':
main()
""")
#~ self.stream.write('\nsettings.SITE.load_from_file(globals())\n')
self.stream.close()
def get_data_elem(cls, name):
"""Return the named data element. This can be a database field, a
:class:`lino.core.fields.RemoteField`, a
:class:`lino.core.fields.VirtualField` or a Django-style
virtual field (GenericForeignKey).
"""
#~ logger.info("20120202 get_data_elem %r,%r",model,name)
if not name.startswith('__'):
parts = name.split('__')
if len(parts) > 1:
# It's going to be a RemoteField
# logger.warning("20151203 RemoteField %s in %s", name, cls)
from lino.core import store
model = cls
field_chain = []
for n in parts:
if model is None:
raise Exception(
"Invalid remote field {0} for {1}".format(name, cls))
if isinstance(model, basestring):
model = resolve_model(model)
# logger.warning("20151203 %s", model)
# Django 1.9 no longer resolves the
# rel.model of ForeignKeys on abstract
# models.
# ~ 20130508 model.get_default_table().get_handle() # make sure that all atomizers of those fields get created.
fld = model.get_data_elem(n)
if fld is None:
# raise Exception("Part %s of %s got None" % (n,model))
raise Exception(
"Invalid RemoteField %s.%s (no field %s in %s)" %
(full_model_name(model), name, n, full_model_name(model)))
# make sure that the atomizer gets created.
store.get_atomizer(model, fld, fld.name)
field_chain.append(fld)
if getattr(fld, 'rel', None):
if AFTER18:
model = fld.rel.model
else:
model = fld.rel.to
else:
model = None
def func(obj, ar=None):
try:
for fld in field_chain:
if obj is None:
return obj
obj = fld._lino_atomizer.full_value_from_object(
obj, ar)
return obj
except Exception as e:
raise Exception(
"Error while computing %s: %s" % (name, e))
# ~ if False: # only for debugging
if True: # see 20130802
logger.exception(e)
return str(e)
return None
return fields.RemoteField(func, name, fld)
try:
return cls._meta.get_field(name)
except models.FieldDoesNotExist:
pass
v = get_class_attr(cls, name)
if v is not None:
return v
for vf in cls._meta.virtual_fields:
if vf.name == name:
return vf
def write_files(self):
puts("Writing {0}...".format(self.main_file))
self.stream = open(self.main_file, "wt")
current_version = settings.SITE.version
self.stream.write(
"""\
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
"""
)
self.stream.write(
'''\
"""
This is a Python dump created using %s.
'''
% settings.SITE.using_text()
)
# ~ self.stream.write(settings.SITE.welcome_text())
self.stream.write(
'''
"""
from __future__ import unicode_literals
import logging
logger = logging.getLogger('%s')
import os
'''
% __name__
)
if False:
self.stream.write(
"""
os.environ['DJANGO_SETTINGS_MODULE'] = '%s'
"""
% settings.SETTINGS_MODULE
)
self.stream.write("SOURCE_VERSION = %r\n" % str(current_version))
self.stream.write(
"""
from decimal import Decimal
from datetime import datetime as dt
from datetime import time, date
from django.conf import settings
# from django.contrib.contenttypes.models import ContentType
from lino.utils.dpy import create_mti_child
from lino.utils.dpy import DpyLoader
from lino.core.utils import resolve_model
def new_content_type_id(m):
if m is None: return m
ct = settings.SITE.modules.contenttypes.ContentType.objects.get_for_model(m)
if ct is None: return None
return ct.pk
"""
)
s = ",".join(["%s=values[%d]" % (lng.name, lng.index) for lng in settings.SITE.languages])
self.stream.write(
'''
def bv2kw(fieldname, values):
"""
Needed if `Site.languages` changed between dumpdata and loaddata
"""
return settings.SITE.babelkw(fieldname, %s)
'''
% s
)
self.models = sorted_models_list()
if settings.SITE.is_installed("contenttypes"):
from django.contrib.contenttypes.models import ContentType
self.models = [m for m in self.models if not issubclass(m, ContentType)]
if settings.SITE.is_installed("sessions"):
from django.contrib.sessions.models import Session
self.models = [m for m in self.models if not issubclass(m, Session)]
for model in self.models:
self.stream.write('%s = resolve_model("%s")\n' % (full_model_name(model, "_"), full_model_name(model)))
self.stream.write("\n")
self.models = self.sort_models(self.models)
self.stream.write("\n")
for model in self.models:
if AFTER17:
fields = [f for f in model._meta.get_fields() if f.concrete and f.model is model]
else:
fields = [f for f, m in model._meta.get_fields_with_model() if m is None]
for f in fields:
if getattr(f, "auto_now_add", False):
raise Exception(
"%s.%s.auto_now_add is True : values will be lost!" % (full_model_name(model), f.name)
)
# ~ fields = model._meta.local_fields
# ~ fields = [f for f in model._meta.fields if f.serialize]
# ~ fields = [f for f in model._meta.local_fields if f.serialize]
self.stream.write(
"def create_%s(%s):\n"
% (
model._meta.db_table,
", ".join([f.attname for f in fields if not getattr(f, "_lino_babel_field", False)]),
)
)
for f in fields:
if isinstance(f, models.DecimalField):
self.stream.write(" if %s is not None: %s = Decimal(%s)\n" % (f.attname, f.attname, f.attname))
elif isinstance(f, ChoiceListField):
lstname = "settings.SITE.modules.{0}.{1}".format(f.choicelist.app_label, f.choicelist.__name__)
ln = " if {0}: {0} = {1}.get_by_value({0})\n"
self.stream.write(ln.format(f.attname, lstname))
elif is_pointer_to_contenttype(f):
self.stream.write(" %s = new_content_type_id(%s)\n" % (f.attname, f.attname))
if model._meta.parents:
if len(model._meta.parents) != 1:
msg = "%s : model._meta.parents is %r" % (model, model._meta.parents)
raise Exception(msg)
pm, pf = list(model._meta.parents.items())[0]
child_fields = [f for f in fields if f != pf]
if child_fields:
attrs = "," + ",".join(["%s=%s" % (f.attname, f.attname) for f in child_fields])
else:
attrs = ""
self.stream.write(
" return create_mti_child(%s, %s, %s%s)\n"
% (full_model_name(pm, "_"), pf.attname, full_model_name(model, "_"), attrs)
)
else:
self.stream.write(" kw = dict()\n")
for f in fields:
if getattr(f, "_lino_babel_field", False):
continue
elif isinstance(f, (BabelCharField, BabelTextField)):
self.stream.write(
" if %s is not None: kw.update(bv2kw(%r,%s))\n" % (f.attname, f.attname, f.attname)
)
else:
self.stream.write(" kw.update(%s=%s)\n" % (f.attname, f.attname))
self.stream.write(" return %s(**kw)\n\n" % full_model_name(model, "_"))
self.stream.write("\n")
# ~ used_models = set()
self.stream.write(
"""
def main():
loader = DpyLoader(globals())
from django.core.management import call_command
# call_command('initdb', interactive=False)
call_command('initdb')
os.chdir(os.path.dirname(__file__))
loader.initialize()
"""
)
for model in progress.bar(self.models):
filename = "%s.py" % model._meta.db_table
filename = os.path.join(self.output_dir, filename)
# puts("Writing {0}...".format(filename))
stream = file(filename, "wt")
stream.write("# -*- coding: UTF-8 -*-\n")
qs = model.objects.all()
try:
stream.write('logger.info("Loading %d objects to table %s...")\n' % (qs.count(), model._meta.db_table))
if AFTER17:
fields = [f for f in model._meta.get_fields() if f.concrete and f.model is model]
else:
fields = [f for f, m in model._meta.get_fields_with_model() if m is None]
fields = [f for f in fields if not getattr(f, "_lino_babel_field", False)]
stream.write("# fields: %s\n" % ", ".join([f.name for f in fields]))
for obj in qs:
self.count_objects += 1
# ~ used_models.add(model)
stream.write(
"loader.save(create_%s(%s))\n"
% (obj._meta.db_table, ",".join([self.value2string(obj, f) for f in fields]))
)
stream.write("\n")
stream.write("loader.flush_deferred_objects()\n")
except ProgrammingError as e:
if not self.options["tolerate"]:
raise
stream.write("\n")
logger.warning("Tolerating database error %s in %s", e, model._meta.db_table)
msg = ("The data of this table has not been dumped" "because an error {0} occured.").format(e)
stream.write('raise Exception("{0}")\n'.format(msg))
stream.close()
# ~ self.stream.write('\nfilename = os.path.join(os.path.dirname(__file__),"%s.py")\n' % )
self.stream.write(' execfile("%s.py")\n' % model._meta.db_table)
self.stream.write(" loader.finalize()\n")
# self.stream.write(
# ' logger.info("Loaded %d objects",loader.count_objects)\n')
self.stream.write(
"""
if __name__ == '__main__':
main()
"""
)
# ~ self.stream.write('\nsettings.SITE.load_from_file(globals())\n')
self.stream.close()
def make_remote_field(model, name):
parts = name.split('__')
if len(parts) == 1:
return
# It's going to be a RemoteField
# logger.warning("20151203 RemoteField %s in %s", name, cls)
from lino.core import store
cls = model
field_chain = []
editable = False
for n in parts:
if model is None:
raise Exception(
"Invalid remote field {0} for {1}".format(name, cls))
if isinstance(model, six.string_types):
# Django 1.9 no longer resolves the
# rel.model of ForeignKeys on abstract
# models, so we do it here.
model = resolve_model(model)
# logger.warning("20151203 %s", model)
fld = model.get_data_elem(n)
if fld is None:
raise Exception(
"Invalid RemoteField %s.%s (no field %s in %s)" %
(full_model_name(model), name, n, full_model_name(model)))
# make sure that the atomizer gets created.
store.get_atomizer(model, fld, fld.name)
field_chain.append(fld)
if isinstance(fld, models.OneToOneRel):
editable = True
if getattr(fld, 'remote_field', None):
model = fld.remote_field.model
elif getattr(fld, 'rel', None):
raise Exception("20180712")
model = fld.rel.model
else:
model = None
def getter(obj, ar=None):
try:
for fld in field_chain:
if obj is None:
return None
obj = fld._lino_atomizer.full_value_from_object(
obj, ar)
return obj
except Exception as e:
# raise
msg = "Error while computing {}: {} ({} in {})"
raise Exception(msg.format(
name, e, fld, field_chain))
# ~ if False: # only for debugging
if True: # see 20130802
logger.exception(e)
return str(e)
return None
if not editable:
return RemoteField(getter, name, fld)
def setter(obj, value):
# logger.info("20180712 %s setter() %s", name, value)
# all intermediate fields are OneToOneRel
target = obj
try:
for fld in field_chain:
# print("20180712a %s" % fld)
if isinstance(fld, models.OneToOneRel):
reltarget = getattr(target, fld.name, None)
if reltarget is None:
rkw = { fld.field.name: target}
# print(
# "20180712 create {}({})".format(
# fld.related_model, rkw))
reltarget = fld.related_model(**rkw)
reltarget.full_clean()
reltarget.save()
setattr(target, fld.name, reltarget)
target.full_clean()
target.save()
# print("20180712b {}.{} = {}".format(
# target, fld.name, reltarget))
target = reltarget
else:
setattr(target, fld.name, value)
target.full_clean()
target.save()
# print(
# "20180712c setattr({},{},{}".format(
# target, fld.name, value))
return True
except Exception as e:
raise e.__class__(
"Error while setting %s: %s" % (name, e))
# ~ if False: # only for debugging
if True: # see 20130802
logger.exception(e)
return str(e)
return False
return RemoteField(getter, name, fld, setter)
def write_files(self):
puts("Writing {0}...".format(self.main_file))
self.stream = open(self.main_file, 'wt')
current_version = settings.SITE.version
self.stream.write('''\
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# This is a Python dump created using dump2py.
# DJANGO_SETTINGS_MODULE was %r, TIME_ZONE was %r.
''' % (settings.SETTINGS_MODULE, settings.TIME_ZONE))
self.stream.write('''
from __future__ import unicode_literals
import logging
logger = logging.getLogger('%s')
''' % __name__)
self.stream.write('SOURCE_VERSION = %r\n' % str(current_version))
self.stream.write('''
import os
import six
from decimal import Decimal
from datetime import datetime
from datetime import time, date
from django.conf import settings
from django.utils.timezone import make_aware, utc
from django.core.management import call_command
# from django.contrib.contenttypes.models import ContentType
from lino.utils.dpy import create_mti_child
from lino.utils.dpy import DpyLoader
from lino.core.utils import resolve_model
if settings.USE_TZ:
def dt(*args):
return make_aware(datetime(*args), timezone=utc)
else:
def dt(*args):
return datetime(*args)
def new_content_type_id(m):
if m is None: return m
ct = settings.SITE.models.contenttypes.ContentType.objects.get_for_model(m)
if ct is None: return None
return ct.pk
def pmem():
# Thanks to https://stackoverflow.com/questions/938733/total-memory-used-by-python-process
process = psutil.Process(os.getpid())
print(process.memory_info().rss)
def execfile(fn, *args):
logger.info("Execute file %s ...", fn)
six.exec_(compile(open(fn, "rb").read(), fn, 'exec'), *args)
# pmem() # requires pip install psutil
''')
s = ','.join([
'%s=values[%d]' % (lng.name, lng.index)
for lng in settings.SITE.languages
])
self.stream.write('''
def bv2kw(fieldname, values):
"""
Needed if `Site.languages` changed between dumpdata and loaddata
"""
return settings.SITE.babelkw(fieldname, %s)
''' % s)
self.models = sorted_models_list()
if settings.SITE.is_installed('contenttypes'):
from django.contrib.contenttypes.models import ContentType
self.models = [
m for m in self.models if not issubclass(m, ContentType)
]
if settings.SITE.is_installed('sessions'):
from django.contrib.sessions.models import Session
self.models = [
m for m in self.models if not issubclass(m, Session)
]
for model in self.models:
self.stream.write(
'%s = resolve_model("%s")\n' %
(full_model_name(model, '_'), full_model_name(model)))
self.stream.write('\n')
self.models = self.sort_models(self.models)
self.stream.write('\n')
for model in self.models:
write_create_function(model, self.stream)
self.stream.write('\n')
#~ used_models = set()
self.stream.write("""
def main(args):
loader = DpyLoader(globals(), quick=args.quick)
from django.core.management import call_command
call_command('initdb', interactive=args.interactive)
os.chdir(os.path.dirname(__file__))
loader.initialize()
args = (globals(), locals())
""")
max_row_count = self.options['max_row_count']
for model in progress.bar(self.models):
try:
qs = model.objects.all()
total_count = qs.count()
except DatabaseError as e:
self.database_errors += 1
if not self.options['tolerate']:
raise
self.stream.write('\n')
logger.warning("Tolerating database error %s in %s", e,
model._meta.db_table)
msg = ("The data of table {0} has not been dumped"
"because an error {1} occured.").format(
model._meta.db_table, e)
self.stream.write('raise Exception("{0}")\n'.format(msg))
continue
fields = [
f for f in model._meta.get_fields()
if f.concrete and f.model is model
]
fields = [
f for f in fields if not getattr(f, '_lino_babel_field', False)
]
chunks = [] # list of tuples (i, filename, queryset)
if total_count > max_row_count:
num_files = (total_count // max_row_count) + 1
for i in range(num_files):
o1 = max_row_count * i
o2 = max_row_count * (i + 1)
t = (i + 1, '%s_%d.py' % (model._meta.db_table, i + 1),
qs[o1:o2])
chunks.append(t)
else:
chunks.append((1, '%s.py' % model._meta.db_table, qs))
for i, filename, qs in chunks:
self.stream.write(' execfile("%s", *args)\n' % filename)
filename = os.path.join(self.output_dir, filename)
# puts("Writing {0}...".format(filename))
# stream = file(filename, 'wt')
stream = open(filename, 'wt')
stream.write('# -*- coding: UTF-8 -*-\n')
txt = "%d objects" % total_count
if len(chunks) > 1:
txt += " (part %d of %d)" % (i, len(chunks))
stream.write('logger.info("Loading %s to table %s...")\n' %
(txt, model._meta.db_table))
stream.write("# fields: %s\n" %
', '.join([f.name for f in fields]))
for obj in qs:
self.count_objects += 1
#~ used_models.add(model)
stream.write(
'loader.save(create_%s(%s))\n' %
(obj._meta.db_table, ','.join(
[self.value2string(obj, f) for f in fields])))
stream.write('\n')
if i == len(chunks):
stream.write('loader.flush_deferred_objects()\n')
stream.close()
#~ self.stream.write('\nfilename = os.path.join(os.path.dirname(__file__),"%s.py")\n' % )
self.stream.write(' loader.finalize()\n')
# 20180416 why was the following message commented out?
# reactivated it because otherwise we have no log entry when
# the process has finished.
self.stream.write(
' logger.info("Loaded %d objects", loader.count_objects)\n')
self.stream.write(" call_command('resetsequences')\n")
self.stream.write("""
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(description='Restore the data.')
parser.add_argument('--noinput', dest='interactive',
action='store_false', default=True,
help="Don't ask for confirmation before flushing the database.")
parser.add_argument('--quick', dest='quick',
action='store_true',default=False,
help='Do not call full_clean() on restored instances.')
args = parser.parse_args()
main(args)
""")
#~ self.stream.write('\nsettings.SITE.load_from_file(globals())\n')
self.stream.close()
def write_files(self):
puts("Writing {0}...".format(self.main_file))
self.stream = open(self.main_file, 'wt')
current_version = settings.SITE.version
self.stream.write('''\
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# This is a Python dump created using dump2py.
# DJANGO_SETTINGS_MODULE was %r, TIME_ZONE was %r.
''' % (settings.SETTINGS_MODULE, settings.TIME_ZONE))
self.stream.write('''
from __future__ import unicode_literals
import logging
logger = logging.getLogger('%s')
import os
''' % __name__)
self.stream.write('SOURCE_VERSION = %r\n' % str(current_version))
self.stream.write('''
from decimal import Decimal
from datetime import datetime
from datetime import time, date
from django.conf import settings
from django.utils.timezone import make_aware
# from django.contrib.contenttypes.models import ContentType
from lino.utils.dpy import create_mti_child
from lino.utils.dpy import DpyLoader
from lino.core.utils import resolve_model
if settings.USE_TZ:
def dt(*args):
return make_aware(datetime(*args))
else:
def dt(*args):
return datetime(*args)
def new_content_type_id(m):
if m is None: return m
ct = settings.SITE.models.contenttypes.ContentType.objects.get_for_model(m)
if ct is None: return None
return ct.pk
''')
s = ','.join([
'%s=values[%d]' % (lng.name, lng.index)
for lng in settings.SITE.languages
])
self.stream.write('''
def bv2kw(fieldname, values):
"""
Needed if `Site.languages` changed between dumpdata and loaddata
"""
return settings.SITE.babelkw(fieldname, %s)
''' % s)
self.models = sorted_models_list()
if settings.SITE.is_installed('contenttypes'):
from django.contrib.contenttypes.models import ContentType
self.models = [
m for m in self.models if not issubclass(m, ContentType)
]
if settings.SITE.is_installed('sessions'):
from django.contrib.sessions.models import Session
self.models = [
m for m in self.models if not issubclass(m, Session)
]
for model in self.models:
self.stream.write(
'%s = resolve_model("%s")\n' %
(full_model_name(model, '_'), full_model_name(model)))
self.stream.write('\n')
self.models = self.sort_models(self.models)
self.stream.write('\n')
for model in self.models:
fields = [
f for f in model._meta.get_fields()
if f.concrete and f.model is model
]
for f in fields:
if getattr(f, 'auto_now_add', False):
raise Exception(
"%s.%s.auto_now_add is True : values will be lost!" %
(full_model_name(model), f.name))
#~ fields = model._meta.local_fields
#~ fields = [f for f in model._meta.fields if f.serialize]
#~ fields = [f for f in model._meta.local_fields if f.serialize]
self.stream.write('def create_%s(%s):\n' %
(model._meta.db_table, ', '.join([
f.attname for f in fields
if not getattr(f, '_lino_babel_field', False)
])))
for f in fields:
if isinstance(f, models.DecimalField):
self.stream.write(
' if %s is not None: %s = Decimal(%s)\n' %
(f.attname, f.attname, f.attname))
elif isinstance(f, ChoiceListField):
lstname = 'settings.SITE.modules.{0}.{1}'.format(
f.choicelist.app_label, f.choicelist.__name__)
ln = ' if {0}: {0} = {1}.get_by_value({0})\n'
self.stream.write(ln.format(f.attname, lstname))
elif is_pointer_to_contenttype(f):
self.stream.write(' %s = new_content_type_id(%s)\n' %
(f.attname, f.attname))
if model._meta.parents:
if len(model._meta.parents) != 1:
msg = "%s : model._meta.parents is %r" % (
model, model._meta.parents)
raise Exception(msg)
pm, pf = list(model._meta.parents.items())[0]
child_fields = [f for f in fields if f != pf]
if child_fields:
attrs = ',' + ','.join([
'%s=%s' % (f.attname, f.attname) for f in child_fields
])
else:
attrs = ''
self.stream.write(
' return create_mti_child(%s, %s, %s%s)\n' %
(full_model_name(pm, '_'), pf.attname,
full_model_name(model, '_'), attrs))
else:
self.stream.write(" kw = dict()\n")
for f in fields:
if getattr(f, '_lino_babel_field', False):
continue
elif isinstance(f, (BabelCharField, BabelTextField)):
self.stream.write(
' if %s is not None: kw.update(bv2kw(%r,%s))\n'
% (f.attname, f.attname, f.attname))
else:
self.stream.write(' kw.update(%s=%s)\n' %
(f.attname, f.attname))
self.stream.write(' return %s(**kw)\n\n' %
full_model_name(model, '_'))
self.stream.write('\n')
#~ used_models = set()
self.stream.write("""
def main(args):
loader = DpyLoader(globals())
from django.core.management import call_command
call_command('initdb', interactive=args.interactive)
os.chdir(os.path.dirname(__file__))
loader.initialize()
""")
for model in progress.bar(self.models):
filename = '%s.py' % model._meta.db_table
filename = os.path.join(self.output_dir, filename)
# puts("Writing {0}...".format(filename))
# stream = file(filename, 'wt')
stream = open(filename, 'wt')
stream.write('# -*- coding: UTF-8 -*-\n')
qs = model.objects.all()
try:
stream.write(
'logger.info("Loading %d objects to table %s...")\n' %
(qs.count(), model._meta.db_table))
fields = [
f for f in model._meta.get_fields()
if f.concrete and f.model is model
]
fields = [
f for f in fields
if not getattr(f, '_lino_babel_field', False)
]
stream.write("# fields: %s\n" %
', '.join([f.name for f in fields]))
for obj in qs:
self.count_objects += 1
#~ used_models.add(model)
stream.write(
'loader.save(create_%s(%s))\n' %
(obj._meta.db_table, ','.join(
[self.value2string(obj, f) for f in fields])))
stream.write('\n')
stream.write('loader.flush_deferred_objects()\n')
except DatabaseError as e:
self.database_errors += 1
if not self.options['tolerate']:
raise
stream.write('\n')
logger.warning("Tolerating database error %s in %s", e,
model._meta.db_table)
msg = ("The data of this table has not been dumped"
"because an error {0} occured.").format(e)
stream.write('raise Exception("{0}")\n'.format(msg))
stream.close()
#~ self.stream.write('\nfilename = os.path.join(os.path.dirname(__file__),"%s.py")\n' % )
self.stream.write(' execfile("%s.py")\n' % model._meta.db_table)
self.stream.write(' loader.finalize()\n')
# self.stream.write(
# ' logger.info("Loaded %d objects",loader.count_objects)\n')
self.stream.write("""
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(description='Restore the data.')
parser.add_argument('--noinput', dest='interactive',
action='store_false', default=True,
help="Don't ask for confirmation before flushing the database.")
args = parser.parse_args()
main(args)
""")
#~ self.stream.write('\nsettings.SITE.load_from_file(globals())\n')
self.stream.close()
def model_name(m):
return settings.SITE.userdocs_prefix + full_model_name(m).lower()
def get_rst(self):
#~ from actordoc import get_actor_description
#~ from django.conf import settings
#~ from djangosite.dbutils import set_language
with translation.override(self.language):
level, cls = resolve_name(self.content[0])
if isinstance(cls, models.Field):
fld = cls
s = ''
name = str(fld.model) + '.' + fld.name
title = force_unicode(fld.verbose_name).strip()
s += "\n.. index::\n single: "
s += unicode(
_('%(field)s (field in %(model)s)') %
dict(field=title, model=model_ref(fld.model)))
s += '\n\n'
s += rstgen.header(level, _("%s (field)") % title)
if len(self.content) > 1:
s += '\n'.join(self.content[1:])
s += '\n\n'
return s
if isinstance(cls, Plugin):
s = ''
title = unicode(cls.verbose_name)
s += "\n.. index::\n single: "
s += unicode(_('%s (app)') % title)
s += '\n\n.. _' + name + ':\n'
s += '\n'
s += rstgen.header(level, _("%s (app)") % title)
return s
if not isinstance(cls, type):
raise Exception("%s is not an actor." % self.content[0])
if issubclass(cls, models.Model):
model = cls
s = ''
name = model_name(model).lower()
title = force_unicode(model._meta.verbose_name)
s += "\n.. index::\n single: "
s += unicode(
_('%(model)s (model in %(app)s)') %
dict(model=title, app=model._meta.app_label))
s += '\n\n'
s += '\n\n.. _' + name + ':\n'
s += '\n'
s += rstgen.header(level, _("%s (model)") % title)
s += '\n'
s += '\n:Internal name: ``%s``\n' % full_model_name(cls)
s += '\n:Implemented by: %s\n' % typeref(cls)
s += '\n'
if len(self.content) > 1:
s += '\n'.join(self.content[1:])
s += '\n\n'
model_reports = [
r for r in dbtables.master_reports if r.model is cls
]
model_reports += [
r for r in dbtables.slave_reports if r.model is cls
]
s += rstgen.boldheader(
_("Views on %s") % cls._meta.verbose_name)
s += actors_overview_ul(model_reports)
s += rstgen.boldheader(
_("Fields in %s") % cls._meta.verbose_name)
s += fields_ul(cls._meta.fields)
action_list = cls.get_default_table().get_actions()
action_list = [
ba for ba in action_list
if not isinstance(ba.action, IGNORED_ACTIONS)
]
if action_list:
s += '\n'
s += rstgen.boldheader(
_("Actions on %s") % cls._meta.verbose_name)
s += actions_ul(action_list)
slave_tables = getattr(cls, '_lino_slaves', {}).values()
if slave_tables:
s += rstgen.boldheader(
_("Tables referring to %s") % cls._meta.verbose_name)
s += actors_overview_ul(slave_tables)
return s
if issubclass(cls, actors.Actor):
title = force_unicode(cls.label or cls.title)
indextext = _('%(actor)s (view in %(app)s)') % dict(
actor=title, app=cls.app_label)
name = actor_name(cls)
#~ if name == 'welfare.reception.waitingvisitors':
#~ self.debug = True
#~ print(20130907, name)
self.index_entries.append(('single', indextext, name, ''))
#~ self.add_ref_target(name,name)
s = ''
s += '\n\n.. _%s:\n\n' % name
s += rstgen.header(level, _("%s (view)") % title)
s += '\n:Internal name: ``%s`` (%s)\n' % (cls, typeref(cls))
if len(self.content) > 1:
s += '\n'.join(self.content[1:])
s += '\n\n'
s += '\n\n'
s += get_actor_description(cls)
s += '\n\n'
return s
raise Exception("Cannot handle actor %r." % cls)
def get_data_elem(cls, name):
"""Return the named data element. This can be a database field, a
:class:`lino.core.fields.RemoteField`, a
:class:`lino.core.fields.VirtualField` or a Django-style
virtual field (GenericForeignKey).
"""
#~ logger.info("20120202 get_data_elem %r,%r",model,name)
if not name.startswith('__'):
parts = name.split('__')
if len(parts) > 1:
# It's going to be a RemoteField
# logger.warning("20151203 RemoteField %s in %s", name, cls)
from lino.core import store
model = cls
field_chain = []
editable = False
for n in parts:
if model is None:
raise Exception(
"Invalid remote field {0} for {1}".format(
name, cls))
if isinstance(model, six.string_types):
# Django 1.9 no longer resolves the
# rel.model of ForeignKeys on abstract
# models, so we do it here.
model = resolve_model(model)
# logger.warning("20151203 %s", model)
fld = model.get_data_elem(n)
if fld is None:
raise Exception(
"Invalid RemoteField %s.%s (no field %s in %s)" %
(full_model_name(model), name, n,
full_model_name(model)))
# make sure that the atomizer gets created.
store.get_atomizer(model, fld, fld.name)
field_chain.append(fld)
if isinstance(fld, models.OneToOneRel):
editable = True
if getattr(fld, 'remote_field', None):
model = fld.remote_field.model
elif getattr(fld, 'rel', None):
raise Exception("20180712")
model = fld.rel.model
else:
model = None
def getter(obj, ar=None):
try:
for fld in field_chain:
if obj is None:
return None
obj = fld._lino_atomizer.full_value_from_object(
obj, ar)
return obj
except Exception as e:
# raise
msg = "Error while computing {}: {} ({} in {})"
raise Exception(msg.format(name, e, fld, field_chain))
# ~ if False: # only for debugging
if True: # see 20130802
logger.exception(e)
return str(e)
return None
if not editable:
return fields.RemoteField(getter, name, fld)
def setter(obj, value):
# logger.info("20180712 %s setter() %s", name, value)
# all intermediate fields are OneToOneRel
target = obj
try:
for fld in field_chain:
# print("20180712a %s" % fld)
if isinstance(fld, models.OneToOneRel):
reltarget = getattr(target, fld.name, None)
if reltarget is None:
rkw = {fld.field.name: target}
# print(
# "20180712 create {}({})".format(
# fld.related_model, rkw))
reltarget = fld.related_model(**rkw)
reltarget.full_clean()
reltarget.save()
setattr(target, fld.name, reltarget)
target.full_clean()
target.save()
# print("20180712b {}.{} = {}".format(
# target, fld.name, reltarget))
target = reltarget
else:
setattr(target, fld.name, value)
target.full_clean()
target.save()
# print(
# "20180712c setattr({},{},{}".format(
# target, fld.name, value))
return True
except Exception as e:
raise Exception("Error while setting %s: %s" %
(name, e))
# ~ if False: # only for debugging
if True: # see 20130802
logger.exception(e)
return str(e)
return False
return fields.RemoteField(getter, name, fld, setter)
try:
return cls._meta.get_field(name)
except models.FieldDoesNotExist:
pass
v = get_class_attr(cls, name)
if v is not None:
return v
for vf in cls._meta.private_fields:
if vf.name == name:
return vf
def __init__(self, model, *args, **kwargs):
self.model = model
self.template_name = "noi/{0}.html".format(full_model_name(model))
super(TemplateView, self).__init__(*args, **kwargs)
def __init__(self, model, *args, **kwargs):
self.model = model
self.template_name = "noi/{0}.html".format(full_model_name(model))
super(TemplateView, self).__init__(*args, **kwargs)
def get_data_elem(cls, name):
"""Return the named data element. This can be a database field, a
:class:`lino.core.fields.RemoteField`, a
:class:`lino.core.fields.VirtualField` or a Django-style
virtual field (GenericForeignKey).
"""
#~ logger.info("20120202 get_data_elem %r,%r",model,name)
if not name.startswith('__'):
parts = name.split('__')
if len(parts) > 1:
# It's going to be a RemoteField
# logger.warning("20151203 RemoteField %s in %s", name, cls)
from lino.core import store
model = cls
field_chain = []
for n in parts:
if model is None:
raise Exception(
"Invalid remote field {0} for {1}".format(name, cls))
if isinstance(model, six.string_types):
model = resolve_model(model)
# logger.warning("20151203 %s", model)
# Django 1.9 no longer resolves the
# rel.model of ForeignKeys on abstract
# models.
# ~ 20130508 model.get_default_table().get_handle() # make sure that all atomizers of those fields get created.
fld = model.get_data_elem(n)
if fld is None:
# raise Exception("Part %s of %s got None" % (n,model))
raise Exception(
"Invalid RemoteField %s.%s (no field %s in %s)" %
(full_model_name(model), name, n, full_model_name(model)))
# make sure that the atomizer gets created.
store.get_atomizer(model, fld, fld.name)
field_chain.append(fld)
if getattr(fld, 'rel', None):
if AFTER18:
model = fld.rel.model
else:
model = fld.rel.to
else:
model = None
def func(obj, ar=None):
try:
for fld in field_chain:
if obj is None:
return obj
obj = fld._lino_atomizer.full_value_from_object(
obj, ar)
return obj
except Exception as e:
raise Exception(
"Error while computing %s: %s" % (name, e))
# ~ if False: # only for debugging
if True: # see 20130802
logger.exception(e)
return str(e)
return None
return fields.RemoteField(func, name, fld)
try:
return cls._meta.get_field(name)
except models.FieldDoesNotExist:
pass
v = get_class_attr(cls, name)
if v is not None:
return v
for vf in cls._meta.virtual_fields:
if vf.name == name:
return vf
def serialize(self, queryset, **options):
from django.contrib.sessions.models import Session
from django.contrib.contenttypes.models import ContentType
self.options = options
self.stream = options.get("stream", StringIO())
self.selected_fields = options.get("fields")
self.use_natural_keys = options.get("use_natural_keys", False)
if self.write_preamble:
current_version = settings.SITE.version
if '+' in current_version:
logger.warning(
"Dumpdata from intermediate version %s" % current_version)
self.stream.write('# -*- coding: UTF-8 -*-\n')
self.stream.write('''\
"""
This is a `Python dump created using %s.
''' % settings.SITE.using_text())
#~ self.stream.write(settings.SITE.welcome_text())
self.stream.write('''
"""
from __future__ import unicode_literals
''')
self.stream.write('SOURCE_VERSION = %r\n' % str(current_version))
self.stream.write('from decimal import Decimal\n')
self.stream.write('from datetime import datetime as dt\n')
self.stream.write('from datetime import time,date\n')
self.stream.write('from lino.utils.dpy import create_mti_child\n')
self.stream.write('from lino.utils.dbutils import resolve_model\n')
self.stream.write(
'from lino.modlib.gfks.models import ContentType\n')
self.stream.write('from django.conf import settings\n')
self.stream.write('''
def new_content_type_id(m):
if m is None: return m
# if not fmn: return None
# m = resolve_model(fmn)
ct = ContentType.objects.get_for_model(m)
if ct is None: return None
return ct.pk
''')
#~ s = ','.join([
#~ '%s=values[%d]' % (k,i)
#~ for i,k in enumerate(settings.SITE.AVAILABLE_LANGUAGES)])
s = ','.join([
'%s=values[%d]' % (lng.name, lng.index)
for lng in settings.SITE.languages])
self.stream.write('''
def bv2kw(fieldname,values):
"""
Needed if `Site.languages` changed between dumpdata and loaddata
"""
return settings.SITE.babelkw(fieldname,%s)
''' % s)
#~ model = queryset.model
if self.models is None:
self.models = sorted_models_list() # models.get_models()
if self.write_preamble:
for model in self.models:
self.stream.write('%s = resolve_model("%s")\n' % (
full_model_name(model, '_'), full_model_name(model)))
self.stream.write('\n')
for model in self.models:
fields = [f for f,
m in model._meta.get_fields_with_model() if m is None]
for f in fields:
if getattr(f, 'auto_now_add', False):
raise Exception("%s.%s.auto_now_add is True : values will be lost!" % (
full_model_name(model), f.name))
field_names = [f.attname for f in fields
if not getattr(f, '_lino_babel_field', False)]
self.stream.write('def create_%s(%s):\n' % (
model._meta.db_table, ', '.join(field_names)))
if model._meta.parents:
if len(model._meta.parents) != 1:
msg = "%s : model._meta.parents is %r" % (
model, model._meta.parents)
raise Exception(msg)
pm, pf = list(model._meta.parents.items())[0]
child_fields = [f for f in fields if f != pf]
if child_fields:
attrs = ', ' + ', '.join([
'%s=%s' % (f.attname, f.attname)
for f in child_fields])
else:
attrs = ''
tpl = ' return create_mti_child(%s, %s, %s%s)\n'
self.stream.write(tpl % (
full_model_name(pm, '_'),
pf.attname, full_model_name(model, '_'), attrs))
else:
self.stream.write(" kw = dict()\n")
for f in fields:
if getattr(f, '_lino_babel_field', False):
continue
elif isinstance(f, (BabelCharField, BabelTextField)):
tpl = ' if %s is not None:'
tpl += ' kw.update(bv2kw(%r, %s))\n'
self.stream.write(
tpl % (f.attname, f.attname, f.attname))
else:
if isinstance(f, models.DecimalField):
self.stream.write(
' if %s is not None: %s = Decimal(%s)\n' % (
f.attname, f.attname, f.attname))
elif isinstance(f, ChoiceListField):
lstname = 'settings.SITE.modules.{0}.{1}'.format(
f.choicelist.app_label, f.choicelist.__name__)
ln = ' if {0}: {0} = {1}.get_by_value({0})\n'
self.stream.write(ln.format(f.attname, lstname))
elif isinstance(f, ForeignKey):
if f.rel.model is ContentType:
self.stream.write(
' %s = new_content_type_id(%s)\n' % (
f.attname, f.attname))
self.stream.write(
' kw.update(%s=%s)\n' % (f.attname, f.attname))
self.stream.write(' return %s(**kw)\n\n' %
full_model_name(model, '_'))
#~ self.start_serialization()
self.stream.write('\n')
model = None
all_models = []
for obj in queryset:
if isinstance(obj, ContentType):
continue
if isinstance(obj, Session):
continue
if obj.__class__ != model:
model = obj.__class__
if model in all_models:
raise Exception("%s instances weren't grouped!" % model)
all_models.append(model)
self.stream.write('\ndef %s_objects():\n' %
model._meta.db_table)
fields = [f for f,
m in model._meta.get_fields_with_model() if m is None]
fields = [
f for f in fields if not getattr(f, '_lino_babel_field', False)]
self.stream.write(' yield create_%s(%s)\n' % (
obj._meta.db_table,
','.join([self.value2string(obj, f) for f in fields])))
self.stream.write('\n\ndef objects():\n')
all_models = self.sort_models(all_models)
for model in all_models:
#~ self.stream.write(' for o in %s_objects(): yield o\n' % model._meta.db_table)
self.stream.write(' yield %s_objects()\n' %
model._meta.db_table)
def test_controllables(self):
found = []
for M in rt.models_by_base(Controllable):
found.append(full_model_name(M))
expected = """cal.Event cal.Task
checkdata.Problem
comments.Comment
comments.Mention
excerpts.Excerpt
notes.Note
notify.Message
uploads.Upload
""".split()
self.assertEqual(found, expected)
Person = rt.models.contacts.Person
Note = rt.models.notes.Note
Excerpt = rt.models.excerpts.Excerpt
ExcerptType = rt.models.excerpts.ExcerptType
ContentType = rt.models.contenttypes.ContentType
self.assertEqual(len(Person.allow_cascaded_delete), 0)
self.assertEqual(len(Note.allow_cascaded_delete), 0)
self.assertEqual(len(Excerpt.allow_cascaded_delete), 1)
doe = create(Person, first_name="John", last_name="Doe")
note = create(Note, owner=doe, body="John Doe is a fink!")
ct = ContentType.objects.get_for_model(Note)
etype = create(ExcerptType, name="Note", content_type=ct)
excerpt = create(Excerpt, owner=note, excerpt_type=etype)
self.assertEqual(Person.objects.count(), 1)
self.assertEqual(Note.objects.count(), 1)
self.assertEqual(Excerpt.objects.count(), 1)
ar = rt.models.notes.Notes.request()
s = ar.to_rst(column_names="id owner")
self.assertEqual(
s, """\
==== ===============
ID Controlled by
---- ---------------
1 *John Doe*
==== ===============
""")
ar = rt.models.excerpts.Excerpts.request()
s = ar.to_rst(column_names="id owner")
self.assertEqual(
s, """\
==== ===============
ID Controlled by
---- ---------------
1 *Note #1*
==== ===============
""")
self.assertEqual(excerpt.disable_delete(), None)
self.assertEqual(note.disable_delete(), None)
self.assertEqual(doe.disable_delete(), None)
# it is not "Cannot delete John Doe because 1 Notes refer to
# it." because Note.owner is nullable.
note.delete()
self.assertEqual(Excerpt.objects.count(), 0)
self.assertEqual(ExcerptType.objects.count(), 5)
def write_files(self):
puts("Writing {0}...".format(self.main_file))
self.stream = open(self.main_file, 'wt')
current_version = settings.SITE.version
self.stream.write('''\
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# This is a Python dump created using dump2py.
# DJANGO_SETTINGS_MODULE was %r, TIME_ZONE was %r.
''' % (settings.SETTINGS_MODULE, settings.TIME_ZONE))
self.stream.write('''
from __future__ import unicode_literals
import logging
logger = logging.getLogger('%s')
''' % __name__)
self.stream.write('SOURCE_VERSION = %r\n' % str(current_version))
self.stream.write('''
import os
import six
from decimal import Decimal
from datetime import datetime
from datetime import time, date
from django.conf import settings
from django.utils.timezone import make_aware, utc
from django.core.management import call_command
# from django.contrib.contenttypes.models import ContentType
from lino.utils.dpy import create_mti_child
from lino.utils.dpy import DpyLoader
from lino.core.utils import resolve_model
if settings.USE_TZ:
def dt(*args):
return make_aware(datetime(*args), timezone=utc)
else:
def dt(*args):
return datetime(*args)
def new_content_type_id(m):
if m is None: return m
ct = settings.SITE.models.contenttypes.ContentType.objects.get_for_model(m)
if ct is None: return None
return ct.pk
def pmem():
# Thanks to https://stackoverflow.com/questions/938733/total-memory-used-by-python-process
process = psutil.Process(os.getpid())
print(process.memory_info().rss)
def execfile(fn, *args):
logger.info("Execute file %s ...", fn)
six.exec_(compile(open(fn, "rb").read(), fn, 'exec'), *args)
# pmem() # requires pip install psutil
''')
s = ','.join([
'%s=values[%d]' % (lng.name, lng.index)
for lng in settings.SITE.languages])
self.stream.write('''
def bv2kw(fieldname, values):
"""
Needed if `Site.languages` changed between dumpdata and loaddata
"""
return settings.SITE.babelkw(fieldname, %s)
''' % s)
self.models = sorted_models_list()
if settings.SITE.is_installed('contenttypes'):
from django.contrib.contenttypes.models import ContentType
self.models = [m for m in self.models
if not issubclass(m, ContentType)]
if settings.SITE.is_installed('sessions'):
from django.contrib.sessions.models import Session
self.models = [m for m in self.models
if not issubclass(m, Session)]
for model in self.models:
self.stream.write('%s = resolve_model("%s")\n' % (
full_model_name(model, '_'), full_model_name(model)))
self.stream.write('\n')
self.models = self.sort_models(self.models)
self.stream.write('\n')
for model in self.models:
write_create_function(model, self.stream)
self.stream.write('\n')
#~ used_models = set()
self.stream.write("""
def main(args):
loader = DpyLoader(globals(), quick=args.quick)
from django.core.management import call_command
call_command('initdb', interactive=args.interactive)
os.chdir(os.path.dirname(__file__))
loader.initialize()
args = (globals(), locals())
""")
max_row_count = self.options['max_row_count']
for model in progress.bar(self.models):
try:
qs = model.objects.all()
total_count = qs.count()
except DatabaseError as e:
self.database_errors += 1
if not self.options['tolerate']:
raise
self.stream.write('\n')
logger.warning("Tolerating database error %s in %s",
e, model._meta.db_table)
msg = ("The data of table {0} has not been dumped"
"because an error {1} occured.").format(
model._meta.db_table, e)
self.stream.write('raise Exception("{0}")\n'.format(msg))
continue
fields = [f for f in model._meta.get_fields()
if f.concrete and f.model is model]
fields = [
f for f in fields
if not getattr(f, '_lino_babel_field', False)]
chunks = [] # list of tuples (i, filename, queryset)
if total_count > max_row_count:
num_files = (total_count // max_row_count) + 1
for i in range(num_files):
o1 = max_row_count * i
o2 = max_row_count * (i+1)
t = (i+1,
'%s_%d.py' % (model._meta.db_table, i+1),
qs[o1:o2])
chunks.append(t)
else:
chunks.append((1, '%s.py' % model._meta.db_table, qs))
for i, filename, qs in chunks:
self.stream.write(' execfile("%s", *args)\n' % filename)
filename = os.path.join(self.output_dir, filename)
# puts("Writing {0}...".format(filename))
# stream = file(filename, 'wt')
stream = open(filename, 'wt')
stream.write('# -*- coding: UTF-8 -*-\n')
txt = "%d objects" % total_count
if len(chunks) > 1:
txt += " (part %d of %d)" % (i, len(chunks))
stream.write(
'logger.info("Loading %s to table %s...")\n' % (
txt, model._meta.db_table))
stream.write(
"# fields: %s\n" % ', '.join(
[f.name for f in fields]))
for obj in qs:
self.count_objects += 1
#~ used_models.add(model)
stream.write('loader.save(create_%s(%s))\n' % (
obj._meta.db_table,
','.join([self.value2string(obj, f) for f in fields])))
stream.write('\n')
if i == len(chunks):
stream.write('loader.flush_deferred_objects()\n')
stream.close()
#~ self.stream.write('\nfilename = os.path.join(os.path.dirname(__file__),"%s.py")\n' % )
self.stream.write(
' loader.finalize()\n')
# 20180416 why was the following message commented out?
# reactivated it because otherwise we have no log entry when
# the process has finished.
self.stream.write(
' logger.info("Loaded %d objects", loader.count_objects)\n')
self.stream.write(
" call_command('resetsequences')\n")
self.stream.write("""
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(description='Restore the data.')
parser.add_argument('--noinput', dest='interactive',
action='store_false', default=True,
help="Don't ask for confirmation before flushing the database.")
parser.add_argument('--quick', dest='quick',
action='store_true',default=False,
help='Do not call full_clean() on restored instances.')
args = parser.parse_args()
main(args)
""")
#~ self.stream.write('\nsettings.SITE.load_from_file(globals())\n')
self.stream.close()
def serialize(self, queryset, **options):
self.options = options
self.stream = options.get("stream", StringIO())
self.selected_fields = options.get("fields")
self.use_natural_keys = options.get("use_natural_keys", False)
if self.write_preamble:
current_version = settings.SITE.version
if '+' in current_version:
logger.warning("Dumpdata from intermediate version %s" %
current_version)
self.stream.write('# -*- coding: UTF-8 -*-\n')
self.stream.write('''\
"""
This is a `Python dump created using %s.
''' % settings.SITE.using_text())
#~ self.stream.write(settings.SITE.welcome_text())
self.stream.write('''
"""
from __future__ import unicode_literals
''')
self.stream.write('SOURCE_VERSION = %r\n' % str(current_version))
self.stream.write('from decimal import Decimal\n')
self.stream.write('from datetime import datetime as dt\n')
self.stream.write('from datetime import time,date\n')
self.stream.write('from lino.utils.dpy import create_mti_child\n')
self.stream.write('from lino.utils.dbutils import resolve_model\n')
self.stream.write(
'from lino.modlib.gfks.models import ContentType\n')
self.stream.write('from django.conf import settings\n')
self.stream.write('''
def new_content_type_id(m):
if m is None: return m
# if not fmn: return None
# m = resolve_model(fmn)
ct = ContentType.objects.get_for_model(m)
if ct is None: return None
return ct.pk
''')
#~ s = ','.join([
#~ '%s=values[%d]' % (k,i)
#~ for i,k in enumerate(settings.SITE.AVAILABLE_LANGUAGES)])
s = ','.join([
'%s=values[%d]' % (lng.name, lng.index)
for lng in settings.SITE.languages
])
self.stream.write('''
def bv2kw(fieldname,values):
"""
Needed if `Site.languages` changed between dumpdata and loaddata
"""
return settings.SITE.babelkw(fieldname,%s)
''' % s)
#~ model = queryset.model
if self.models is None:
self.models = sorted_models_list() # models.get_models()
if self.write_preamble:
for model in self.models:
self.stream.write(
'%s = resolve_model("%s")\n' %
(full_model_name(model, '_'), full_model_name(model)))
self.stream.write('\n')
for model in self.models:
fields = [
f for f, m in model._meta.get_fields_with_model() if m is None
]
for f in fields:
if getattr(f, 'auto_now_add', False):
raise Exception(
"%s.%s.auto_now_add is True : values will be lost!" %
(full_model_name(model), f.name))
field_names = [
f.attname for f in fields
if not getattr(f, '_lino_babel_field', False)
]
self.stream.write('def create_%s(%s):\n' %
(model._meta.db_table, ', '.join(field_names)))
if model._meta.parents:
if len(model._meta.parents) != 1:
msg = "%s : model._meta.parents is %r" % (
model, model._meta.parents)
raise Exception(msg)
pm, pf = model._meta.parents.items()[0]
child_fields = [f for f in fields if f != pf]
if child_fields:
attrs = ',' + ','.join([
'%s=%s' % (f.attname, f.attname) for f in child_fields
])
else:
attrs = ''
tpl = ' return create_mti_child(%s, %s, %s%s)\n'
self.stream.write(tpl % (full_model_name(
pm, '_'), pf.attname, full_model_name(model, '_'), attrs))
else:
self.stream.write(" kw = dict()\n")
for f in fields:
if getattr(f, '_lino_babel_field', False):
continue
elif isinstance(f, (BabelCharField, BabelTextField)):
tpl = ' if %s is not None:'
tpl += ' kw.update(bv2kw(%r, %s))\n'
self.stream.write(tpl %
(f.attname, f.attname, f.attname))
else:
if isinstance(f, models.DecimalField):
self.stream.write(
' if %s is not None: %s = Decimal(%s)\n' %
(f.attname, f.attname, f.attname))
elif isinstance(
f,
models.ForeignKey) and f.rel.to is ContentType:
#~ self.stream.write(
#~ ' %s = ContentType.objects.get_for_model(%s).pk\n' % (
#~ f.attname,f.attname))
self.stream.write(
' %s = new_content_type_id(%s)\n' %
(f.attname, f.attname))
self.stream.write(' kw.update(%s=%s)\n' %
(f.attname, f.attname))
self.stream.write(' return %s(**kw)\n\n' %
full_model_name(model, '_'))
#~ self.start_serialization()
self.stream.write('\n')
model = None
all_models = []
for obj in queryset:
if isinstance(obj, ContentType):
continue
if isinstance(obj, Session):
continue
#~ if isinstance(obj,Permission): continue
if obj.__class__ != model:
model = obj.__class__
if model in all_models:
raise Exception("%s instances weren't grouped!" % model)
all_models.append(model)
self.stream.write('\ndef %s_objects():\n' %
model._meta.db_table)
fields = [
f for f, m in model._meta.get_fields_with_model() if m is None
]
fields = [
f for f in fields if not getattr(f, '_lino_babel_field', False)
]
self.stream.write(
' yield create_%s(%s)\n' % (obj._meta.db_table, ','.join(
[self.value2string(obj, f) for f in fields])))
self.stream.write('\n\ndef objects():\n')
all_models = self.sort_models(all_models)
for model in all_models:
#~ self.stream.write(' for o in %s_objects(): yield o\n' % model._meta.db_table)
self.stream.write(' yield %s_objects()\n' %
model._meta.db_table)
def handle(self, *args, **options):
if args:
raise CommandError("This command doesn't accept any arguments.")
self.options = options
#~ settings.SITE.startup()
state = dict()
state.update(timestamp=datetime.datetime.now())
state.update(lino_version=lino.__version__)
states_file = os.path.join(settings.SITE.project_dir, 'states.pck')
if os.path.exists(states_file):
fd = open(states_file)
states_list = pickle.load(fd)
fd.close()
logger.info("Loaded %d states from %s",
len(states_list), states_file)
else:
states_list = []
models_list = sorted_models_list()
apps = [p.app_label for p in settings.SITE.installed_plugins]
state.update(applications=" ".join(apps))
for model in models_list:
if model._meta.managed:
model_state = dict()
#~ cells.append(str(i))
#~ cells.append(full_model_name(model))
#~ cells.append(str(model))
#~ if model._meta.managed:
#~ cells.append('X')
#~ else:
#~ cells.append('')
model_state.update(fields=[f.name for f in model._meta.fields])
#~ qs = model.objects.all()
qs = model.objects.order_by('pk')
n = qs.count()
model_state.update(rows=n)
connection = connections[DEFAULT_DB_ALIAS]
#~ if isinstance(connection,sqlite):
#~ cells.append("-")
if mysql and isinstance(connection, mysql):
cursor = connection.cursor()
dbname = connection.settings_dict['NAME']
sql = """\
SELECT (data_length+index_length) tablesize
FROM information_schema.tables
WHERE table_schema='%s' and table_name='%s';
""" % (dbname, model._meta.db_table)
#~ print sql
cursor.execute(sql)
row = cursor.fetchone()
if row is not None:
model_state.update(bytes=row[0])
else:
pass
state[full_model_name(model)] = model_state
if len(states_list):
msg = compare(state, states_list[-1])
if msg:
logger.info(msg)
#~ sendmail_admins()
states_list.append(state)
#~ print state
if self.options['write']:
f = open(states_file, 'w')
pickle.dump(states_list, f)
logger.info("Saved %d states to %s", len(states_list), states_file)
def write_create_function(model, stream):
fields = [f for f in model._meta.get_fields()
if f.concrete and f.model is model]
for f in fields:
if getattr(f, 'auto_now_add', False):
# raise Exception("%s.%s.auto_now_add is True : values will be lost!" % (
# full_model_name(model), f.name))
logger.warning(
"%s.%s.auto_now_add is True : values will be lost!",
full_model_name(model), f.name)
# f.auto_now_add = False
stream.write('def create_%s(%s):\n' % (
model._meta.db_table, ', '.join([
f.attname for f in fields
if not getattr(f, '_lino_babel_field', False)])))
for f in fields:
if f.model is model:
pre = ' '
else:
pre = '# '
if isinstance(f, models.DecimalField):
stream.write(
pre+'if %s is not None: %s = Decimal(%s)\n' % (
f.attname, f.attname, f.attname))
elif isinstance(f, ChoiceListField):
lstname = 'settings.SITE.models.{0}.{1}'.format(
f.choicelist.app_label, f.choicelist.__name__)
ln = pre+'if {0}: {0} = {1}.get_by_value({0})\n'
ln = '#' + ln # no longer needed but maybe useful as a comment
stream.write(ln.format(f.attname, lstname))
elif is_pointer_to_contenttype(f):
stream.write(
pre+'%s = new_content_type_id(%s)\n' % (
f.attname, f.attname))
if model._meta.parents:
if len(model._meta.parents) != 1:
msg = "%s : model._meta.parents is %r" % (
model, model._meta.parents)
raise Exception(msg)
pm, pf = list(model._meta.parents.items())[0]
fields = [f for f in fields if f != pf]
stream.write(" kw = dict()\n")
for f in fields:
if f.model is model:
pre = ' '
else:
pre = '# '
if getattr(f, '_lino_babel_field', False):
continue
elif isinstance(f, (BabelCharField, BabelTextField)):
stream.write(
pre + 'if %s is not None: kw.update(bv2kw(%r,%s))\n' % (
f.attname, f.attname, f.attname))
else:
stream.write(
pre + 'kw.update(%s=%s)\n' % (f.attname, f.attname))
if model._meta.parents:
stream.write(
' return create_mti_child(%s, %s, %s, **kw)\n\n' % (
full_model_name(pm, '_'), pf.attname,
full_model_name(model, '_')))
else:
stream.write(' return %s(**kw)\n\n' %
full_model_name(model, '_'))
