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# -*- coding: utf-8 -*-
"""
forms for apps/indicator
"""
from django import forms
from django.utils.translation import ugettext as _
from indicator import models as im
import sympy
from sympy.core.sympify import SympifyError
class IndicatorCategoryForm(forms.ModelForm): # {{{
"""
form for 'models.IndicatorCategory'
"""
class Meta:
model = im.IndicatorCategory
exclude = ('addByUser',)
# }}}
class IndicatorForm(forms.ModelForm): # {{{
"""
form for 'models.Indicator'
"""
class Meta:
model = im.Indicator
exclude = ('addByUser',)
# }}}
class UnitForm(forms.ModelForm): # {{{
"""
form for 'models.Unit'
"""
class Meta:
model = im.Unit
exclude = ('addByUser',)
def __init__(self, *args, **kwargs):
super(UnitForm, self).__init__(*args, **kwargs)
# store 'instance_id', for edting instance
self.instance_id = self.instance.id
# 'clean_standard()' cannot raise Vali dationError correctly??
# TODO: clean each field and generate errors accordingly.
def clean(self):
cleaned_data = super(UnitForm, self).clean()
instance_id = self.instance_id
standard = cleaned_data['standard']
indicator = cleaned_data['indicator']
std_unit_list = indicator.get_unit(type="standard")
relation = cleaned_data.get('relation', u'')
if standard:
if std_unit_list and (instance_id != std_unit_list[0].id):
raise forms.ValidationError(_(u'标准单位已存在'),
code='standard')
cleaned_data['relation'] = u'v'
else:
try:
fsym = sympy.sympify(relation)
except SympifyError:
raise forms.ValidationError(_(u'"%(relation)s" 不是合法的表达式'),
code='relation_invalid',
params={'relation': relation})
# always return the full collection of cleaned data
return cleaned_data
# }}}
class InnateConfineForm(forms.ModelForm): # {{{
"""
form for 'models.InnateConfine'
"""
unit = forms.ModelChoiceField(label=u"标准单位",
queryset=im.Unit.objects.filter(standard=True))
class Meta:
model = im.InnateConfine
exclude = ('addByUser',)
def clean(self): # {{{
"""
check the validity of data
"""
cleaned_data = super(InnateConfineForm, self).clean()
indicator = cleaned_data['indicator']
unit = cleaned_data.get('unit')
val_norm = cleaned_data.get('val_norm')
human_max = cleaned_data.get('human_max')
human_min = cleaned_data.get('human_min')
math_max = cleaned_data.get('math_max')
math_min = cleaned_data.get('math_min')
# check data
if indicator.dataType in [indicator.FLOAT_TYPE,
indicator.RANGE_TYPE, indicator.FLOAT_RANGE_TYPE]:
# check unit
if not (unit and unit.standard):
raise forms.ValidationError(_(u'unit 未填写/不是标准单位'),
code='unit')
if (human_max is None) or (human_min is None):
raise forms.ValidationError(_(u'human_max/human_min 未填写'),
code='human_empty')
if (human_max <= human_min):
raise forms.ValidationError(_(u'human_max <= human_min'),
code='human_relation')
# check 'math_max' and 'math_min'
if (math_max is None) or (math_min is None):
raise forms.ValidationError(_(u'math_max/math_min 未填写'),
code='math_empty')
if (math_max <= math_min):
raise forms.ValidationError(_(u'math_max <= math_min'),
code='math_relation')
# compare 'human*' and 'math*'
if (human_max > math_max) or (human_min < math_min):
raise forms.ValidationError(_(u'Error: human_max>math_max / human_min<math_min'),
code='human_math_relation')
# check finished
elif indicator.dataType == indicator.INTEGER_TYPE:
# 整数型
try:
val_norm = int(val_norm)
except ValueError:
raise ValidationError(_(u'val_norm="%(val_norm)s" 不是整数型值'),
code='val_norm_int',
params={'val_norm': val_norm})
elif indicator.dataType == indicator.PM_TYPE:
# 阴阳(+/-)型
if (len(val_norm) == 1) and (val_norm in [u'+', u'-']):
pass
else:
raise forms.ValidationError(_(u'val_norm 只接受 "+"/"-"'),
code='val_norm_pm')
## TODO: RADIO_TYPE, CHECKBOX_TYPE
elif indicator.dataType in [indicator.RADIO_TYPE,
indicator.CHECKBOX_TYPE]:
raise forms.ValidationError(_(u'RADIO_TYPE, CHECKBOX_TYPE 验证未实现'),
code='radio_checkbox')
else:
raise forms.ValidationError(_(u'数据不符合要求'),
code='data_type_invalid')
# all checks finished
return cleaned_data
# }}}
# }}}
class IndicatorRecordForm(forms.ModelForm): # {{{
"""
form for 'models.IndicatorRecord'
"""
class Meta:
model = im.IndicatorRecord
exclude = ('user',)
def clean(self): # {{{
cleaned_data = super(IndicatorRecordForm, self).clean()
# get data
indicator = cleaned_data['indicator']
unit = cleaned_data.get('unit')
_value = cleaned_data.get('value')
_val_max = cleaned_data.get('val_max')
_val_min = cleaned_data.get('val_min')
# check data # {{{
if indicator.dataType == indicator.INTEGER_TYPE:
# integer
try:
value = int(_value)
except ValueError:
raise forms.ValidationError(_(u'value 不是整数类型'),
code='value_integer')
elif indicator.dataType == indicator.FLOAT_TYPE:
# float
if not unit:
raise forms.ValidationError(_(u'unit 未填写'),
code='unit_empty')
try:
value = float(_value)
except ValueError:
raise forms.ValidationError(_(u'value 不是浮点数类型'),
code='value_float')
elif indicator.dataType == indicator.RANGE_TYPE:
# range
val_max = _val_max
val_min = _val_min
if not unit:
raise forms.ValidationError(_(u'unit 未填写'),
code='unit_empty')
if (val_max is None) or (val_min is None):
raise forms.ValidationError(_(u'val_max/val_min 未填写'),
code='val_empty')
if (val_max <= val_min):
raise forms.ValidationError(_(u'val_max <= val_min'),
code='val_relation')
elif indicator.dataType == indicator.FLOAT_RANGE_TYPE:
# float/range
if not unit:
raise forms.ValidationError(_(u'unit 未填写'),
code='unit_empty')
if value:
# float (first)
try:
value = float(_value)
except ValueError:
raise forms.ValidationError(_(u'value 不是浮点数类型'),
code='value_float')
elif (val_max is not None) or (val_min is not None):
# range
val_max = _val_max
val_min = _val_min
if (val_max <= val_min):
raise forms.ValidationError(_(u'val_max <= val_min'),
code='val_relation')
else:
raise forms.ValidationError(_(u'请填写 value 或者 "val_max + val_min"'),
code='value_val')
elif indicator.dataType == indicator.PM_TYPE:
# +/-
value = _value
if (len(value) == 1) and (value in [u'+', u'-']):
pass
else:
raise forms.ValidationError(_(u'value 只接受 "+"/"-"'),
code='value_pm')
elif indicator.dataType in [indicator.RADIO_TYPE,
indicator.CHECKBOX_TYPE]:
## TODO: RADIO_TYPE, CHECKBOX_TYPE
raise forms.ValidationError(_(u'RADIO_TYPE, CHECKBOX_TYPE 验证未实现'),
code='radio_checkbox')
else:
raise forms.ValidationError(_(u'数据不符合要求'),
code='data_type_invalid')
# }}}
# check confine # {{{
# for [FLOAT_TYPE, RANGE_TYPE, FLOAT_RANGE_TYPE]
# [INTEGER_TYPE, PM_TYPE] already validated above
if indicator.dataType in [indicator.FLOAT_TYPE,
indicator.RANGE_TYPE, indicator.FLOAT_RANGE_TYPE]:
# check confine if specified for the indicator
if not indicator.check_confine():
raise forms.ValidationError(_(u'该指标未指定 InnateConfine'),
code='innateconfine')
# innateconfine ok
confine = indicator.innate_confine
human_max = confine.human_max
human_min = confine.human_min
math_max = confine.math_max
math_min = confine.math_min
# unit conversion
unit_rel = unit.relation
v = sympy.symbols('v')
rel_sym = sympy.sympify(unit_rel)
# data
value = _value
val_max = _val_max
val_min = _val_min
# value
if value:
try:
value = float(value)
except ValueError:
raise forms.ValidationError(_(u'value 不是浮点数类型'),
code='value_float')
# 'value' unit conversion
try:
value_std = float(rel_sym.evalf(subs={v: value}))
except ValueError:
raise forms.ValidationError(_(u'"%s" 求值错误，请检查只有变量"v"' % unit_rel),
code='value_evalf')
if (value_std < math_min) or (value_std > math_max):
raise forms.ValidationError(_(u'value(std) < math_min or value(std) > math_max'),
code='value_std_relation')
# val_max
if val_max is not None:
# unit conversion
try:
val_max_std = float(rel_sym.evalf(
subs={v: val_max}))
except ValueError:
raise forms.ValidationError(_(u'"%s" 求值错误，请检查只有变量"v"' % unit_rel),
code='val_max_evalf')
if (val_max_std <= math_min) or (
val_max_std > math_max):
raise forms.ValidationError(_(u'val_max(std) <= math_min or val_max(std) > math_max'),
code='val_max_std_relation')
# val_min
if val_min is not None:
try:
val_min_std = float(rel_sym.evalf(
subs={v: val_min}))
except ValueError:
raise forms.ValidationError(_(u'"%s" 求值错误，请检查只有变量"v"' % unit_rel),
code='val_min_evalf')
if (val_min_std < math_min) or (
val_min_std >= math_max):
raise forms.ValidationError(_(u'val_min(std) < math_min or val_min(std) >= math_max'),
code='val_min_std_relation')
# }}}
# return cleaned data
return cleaned_data
# }}}
# }}}
class RecordHistoryForm(forms.ModelForm): # {{{
"""
form for 'models.RecordHistory'
"""
class Meta:
model = im.RecordHistory
exclude = ('indicatorRecord',)
# }}}
# vim: set ts=4 sw=4 tw=0 fenc=utf-8 ft=python.django: #
|
