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Antonio de la Rosa 2015-12-07 21:47:23 +01:00
parent 20becdbd27
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*~
*.pyc
__pycache__

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc., <http://fsf.org/>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
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{signature of Ty Coon}, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
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Public License instead of this License.

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# A very simple ORM for Python 3

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from paramecio.cromosoma.webmodel import PhangoField
from paramecio.cromosoma import coreforms
from paramecio.citoplasma.i18n import I18n
class IntegerField(PhangoField):
def __init__(self, name, size=11, required=False):
super(IntegerField, self).__init__(name, size, required)
def check(self, value):
self.error=None
self.txt_error=''
try:
value=str(int(value))
if value==0 and self.required==True:
self.txt_error="The value is zero"
self.error=True
except:
self.error=True
return value
def get_type_sql(self):
return 'INT('+str(self.size)+') NOT NULL DEFAULT "0"'
class CharField(PhangoField):
pass
class ForeignKeyField(IntegerField):
def __init__(self, name, related_table, size=11, required=False, identifier_field='id', named_field="id", select_fields=[]):
self.table_id=related_table.name_field_id
self.table_name=related_table.name
self.identifier_field=identifier_field
self.named_field=named_field
self.select_fields=select_fields
super(ForeignKeyField, self).__init__(name, size, required)
self.foreignkey=True
class BooleanField(IntegerField):
def __init__(self, name, size=1):
required=False
self.yes=I18n.lang('common', 'yes', 'Yes')
self.no=I18n.lang('common', 'no', 'No')
super(IntegerField, self).__init__(name, size, required)
def check(self, value):
self.error=False
self.txt_error=''
try:
value=int(value)
if value<0 or value>1:
self.txt_error="Need 0 or 1 value"
self.error=True
except:
self.error=True
value=0
value=str(value)
return value
def get_type_sql(self):
return 'BOOLEAN NOT NULL DEFAULT "0"'
def show_formatted(self, value):
value=int(value)
if value==0:
value=self.yes_text
else:
value=self.no_text
return value

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#!/usr/bin/python3
from collections import OrderedDict
#Forms para python3
class BaseForm:
def __init__(self, name, value):
self.label=name
self.name=name
self.default_value=value
self.css=''
self.type='text'
self.field=None
self.required=False
self.txt_error=''
def form(self):
return '<input type="'+self.type+'" class="'+self.css+'" name="'+self.name+'" id="'+self.name+'_form" value="'+self.setform(self.default_value)+'">'
def show_formatted(self, value):
return value
#Method for escape value for html input. DON'T CHANGE IF YOU DON'T KNOWN WHAT ARE YOU DOING
def setform(self, value):
value=str(value)
return value.replace('"', '&quot;')
class TextForm(BaseForm):
def __init__(self, name, value):
super(TextForm, self).__init__(name, value)
class PasswordForm(BaseForm):
def __init__(self, name, value):
super(PasswordForm, self).__init__(name, value)
self.type='password'
def setform(self, value):
return ""
class HiddenForm(BaseForm):
def __init__(self, name, value):
super(HiddenForm, self).__init__(name, value)
self.type='hidden'
class SelectForm(BaseForm):
def __init__(self, name, value):
super(SelectForm, self).__init__(name, value)
self.arr_select=OrderedDict()
def form(self):
the_form='<select name="'+self.name+'">\n'
arr_selected={self.default_value: 'selected'}
for k,v in self.arr_select.items():
arr_selected[k]=arr_selected.get(k, '')
the_form+="<option value=\""+str(k)+"\" "+arr_selected[k]+">"+v+"</option>"
the_form+='</select>\n'
return the_form

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#!/usr/bin/python3
import sys
import pymysql.cursors
class SqlClass:
error_connection=""
connection={}
def dummy_connect(self, connection, name_connection="default"):
pass
def connect_to_db(self, connection, name_connection="default"):
try:
self.connection[name_connection] = pymysql.connect(connection['host'],
user=connection['user'],
password=connection['password'],
db=connection['db'],
charset='utf8mb4',
cursorclass=pymysql.cursors.DictCursor)
except:
e = sys.exc_info()[0]
v = sys.exc_info()[1]
self.error_connection="Error in connection: %s %s" % (e, v)
#return False
raise NameError(self.error_connection)
#Make def query more simple if not debugging.
def query(self, sql_query, arguments=[], name_connection="default"):
#if fetch_type=="ASSOC":
#fetch_type=pymysql.cursors.DictCursor
with self.connection[name_connection].cursor(pymysql.cursors.DictCursor) as cursor:
try:
cursor.execute(sql_query, arguments)
self.connection[name_connection].commit()
return cursor
except:
e = sys.exc_info()[0]
v = sys.exc_info()[1]
if hasattr(cursor, '_last_executed'):
sql_query=cursor._last_executed
self.error_connection="Error in query ||"+sql_query+"||: %s %s" % (e, v)
#return False
raise NameError(self.error_connection)
#Fetcho row return dictionary if is defined in query.
#def fetch(self, cursor):
#return cursor.fetchone()
def close(self, name_connection="default"):
self.connection[name_connection].close()
pass

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#!/usr/bin/python3
import argparse
import os,traceback
import sys, inspect
import shutil
from datetime import date
from pathlib import Path
from colorama import init, Fore, Back, Style
from importlib import import_module, reload
from paramecio.cromosoma.webmodel import WebModel
#from models import books
def start():
parser = argparse.ArgumentParser(description='A tool for create tables in databases using models from Cromosoma')
parser.add_argument('--model', help='Model python path', required=True)
parser.add_argument('--config', help='The config file', required=False)
args = parser.parse_args()
init()
#Import config
config_file='config'
if args.config!=None:
config_file=args.config
try:
config=import_module('settings.'+config_file)
except:
e = sys.exc_info()[0]
v = sys.exc_info()[1]
print(Fore.WHITE+Back.RED+Style.BRIGHT+"Config file not found: %s %s" % (e, v))
exit(1)
#print(WebModel.connections)
try:
model=import_module(args.model)
for name, obj in inspect.getmembers(sys.modules[model.__name__]):
if inspect.isclass(obj):
if obj.__module__==args.model and hasattr(obj, 'webmodel'):
WebModel.model[name.lower()]=obj()
#WebModel.modelobj
except:
"""
e = sys.exc_info()[0]
v = sys.exc_info()[1]
print(Fore.WHITE+Back.RED+Style.BRIGHT +"Error, file with model not found: %s %s" % (e, v))
"""
print("Exception in user code:")
print("-"*60)
traceback.print_exc(file=sys.stdout)
print("-"*60)
exit(1)
#load the table of databases
cursor=WebModel.query(WebModel, "show tables")
table_exists=[]
for row in cursor:
table=list(row.values())[0]
if table in WebModel.model:
table_exists.append(table)
#If don't want order
#set([1,2,3,4]) - set([2,5])
tables=list(WebModel.model.keys())
#Array diff ordered
new_tables=[x for x in tables if x not in table_exists]
#If don't want order
#new_tables=set(tables)-set(table_exists)
#Need order new_tables
changes=0
#Create new tables
if len(new_tables)>0:
print(Style.BRIGHT+"Creating new tables...")
changes+=1
for table in new_tables:
print(Style.NORMAL+"--Creating table "+table+"...")
WebModel.query(WebModel, WebModel.model[table].create_table())
print("--Adding indexes and constraints for the new table")
for k_field, index in WebModel.arr_sql_index[table].items():
print("---Added index to "+k_field)
WebModel.query(WebModel, index)
for k_set, index_set in WebModel.arr_sql_set_index[table].items():
if index_set!="":
WebModel.query(WebModel, index_set)
print("---Added constraint to "+k_set)
print("--Adding uniques elements for the new table")
#See if changes exists
#Check if created tables are modified.
try:
model_old=import_module('backups.'+args.model)
for name, obj in inspect.getmembers(sys.modules[model_old.__name__]):
if inspect.isclass(obj):
if obj.__module__=='backups.'+args.model and hasattr(obj, 'webmodel'):
WebModel.model['old_'+name.lower()]=obj()
print(Style.BRIGHT+"Checking old versions of model for find changes...")
for table in tables:
#WebModel.query(WebModel, "")
#Check if new table
#fields_to_add, fields_to_modify, fields_to_add_index, fields_to_add_constraint, fields_to_add_unique, fields_to_delete_index, fields_to_delete_unique, fields_to_delete_constraint, fields_to_delete
fields_to_add=[]
fields_to_modify=[]
fields_to_add_index=[]
fields_to_add_constraint=[]
fields_to_add_unique=[]
fields_to_delete_index=[]
fields_to_delete_unique=[]
fields_to_delete_constraint=[]
fields_to_delete=[]
old_table='old_'+table
for f, v in WebModel.model[table].fields.items():
if not f in WebModel.model[old_table].fields:
fields_to_add.append(f)
#Add index
if v.indexed==True:
fields_to_add_index.append(f)
changes+=1
#Add unique
if v.unique==True:
fields_to_add_unique.append(f)
changes+=1
#Add constraint
if v.foreignkey==True:
fields_to_add_constraint.append(f)
changes+=1
changes+=1
#If exists field in old webmodel and new
else:
v_old=WebModel.model[old_table].fields[f]
if v.get_type_sql()!=v_old.get_type_sql():
fields_to_modify.append(f)
changes+=1
#Add index
if v.indexed==True and v_old.indexed==False:
fields_to_add_index.append(f)
changes+=1
if v.indexed==False and v_old.indexed==True:
fields_to_delete_index.append(f)
changes+=1
#Add unique
if v.unique==True and v_old.unique==False:
fields_to_add_unique.append(f)
changes+=1
if v.unique==False and v_old.unique==True:
fields_to_delete_unique.append(f)
changes+=1
#Add constraint
if v.foreignkey==True and v_old.foreignkey==False:
fields_to_add_constraint.append(f)
changes+=1
if v.foreignkey==False and v_old.foreignkey==True:
fields_to_delete_constraint.append(f)
changes+=1
for f, v in WebModel.model[old_table].fields.items():
if not f in WebModel.model[table].fields:
#Add constraint
if v.foreignkey==True:
fields_to_delete_constraint.append(f)
changes+=1
fields_to_delete.append(f)
changes+=1
WebModel.model[table].update_table(fields_to_add, fields_to_modify, fields_to_add_index, fields_to_add_constraint, fields_to_add_unique, fields_to_delete_index, fields_to_delete_unique, fields_to_delete_constraint, fields_to_delete)
#for field_update in arr_update:
#Make a for in fields, if the field not exist in old model, create, if is not same type, recreate. If no have index now, delete index, if is a new index, create, same thing with uniques
#for field in WebModel.model
except ImportError:
pass
except:
print("Exception in user code:")
print("-"*60)
traceback.print_exc(file=sys.stdout)
print("-"*60)
exit(1)
original_file_path=args.model.replace('.', '/')+'.py'
backup_path='backups/'+original_file_path
if changes>0:
print(Style.BRIGHT+"Creating backup of the model. WARNING: DON'T DELETE BACKUPS DIRECTORY IF YOU WANT MAKE CHANGES IN THE FUTURE WITHOUT MODIFY DIRECTLY THE DATABASE")
create_backup(original_file_path, backup_path)
else:
if not os.path.isfile(backup_path):
create_backup(original_file_path, backup_path)
print(Style.BRIGHT+"All tasks finished")
def create_backup(original_file_path, file_path):
#Create copy
path=os.path.dirname(file_path)
p=Path(path)
if not p.is_dir():
p.mkdir(0o755, True)
#Create path
if os.path.isfile(file_path):
today = date.today()
shutil.copy(file_path, file_path+'.'+today.strftime("%Y%M%d%H%M%S"))
new_file=""
f=open(original_file_path)
for line in f:
"""
new_line=line.replace("model[\"", "model[\"old_")
new_line=new_line.replace("model['", "model['old_")
new_line=new_line.replace("WebModel(\"", "WebModel(\"old_")
new_line=new_line.replace("WebModel('", "WebModel('old_")
"""
new_file+=line
f.close()
f=open(file_path, 'w')
f.write(new_file)
f.close()

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cromosoma/extrafields/__init__.py Normal file
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cromosoma/extrafields/emailfield.py Normal file
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from paramecio.cromosoma.corefields import CharField
import re
mail_pattern=re.compile("\w[\w\.-]*@\w[\w\.-]+\.\w+")
class EmailField(CharField):
def check(self, value):
self.error=False
self.txt_error=''
if not mail_pattern.match(value):
self.error=True
self.txt_error='No valid format'
return value

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cromosoma/extrafields/passwordfield.py Normal file
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from paramecio.cromosoma.corefields import PhangoField
from paramecio.cromosoma.coreforms import PasswordForm
from passlib.hash import bcrypt
class PasswordField(PhangoField):
def __init__(self, name, size=255, required=False):
super(PasswordField, self).__init__(name, size, required)
self.protected=True
self.name_form=PasswordForm
self.default_value=''
def check(self, value):
self.txt_error=''
self.error=False
value.strip()
if value=='':
if self.model!=None:
if self.model.updated==True:
self.required=False
self.check_blank=True
return ""
else:
self.txt_error="The value is empty"
self.error=True
else:
self.txt_error="The value is empty"
self.error=True
else:
value = bcrypt.encrypt(value)
return value
@staticmethod
def verify( password, h):
return bcrypt.verify(password, h)

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#!/usr/bin/python3
from paramecio.cromosoma import corefields
from bottle import request
def pass_values_to_form(post, arr_form, yes_error=True):
for key, value in arr_form.items():
post[key]=post.get(key, '')
arr_form[key].default_value=post[key]
if arr_form[key].field==None:
arr_form[key].field=corefields.CharField(key, 255, required=False)
# Recheck value if no set error field
if arr_form[key].field.error == None:
arr_form[key].field.check(post[key])
arr_form[key].txt_error=""
if arr_form[key].required==True and arr_form[key].field.error==True and yes_error==True:
arr_form[key].txt_error=arr_form[key].field.txt_error
# Reset error on field.
arr_form[key].field.error=None
return arr_form
def show_form(post, arr_form, t, yes_error=True, modelform_tpl='forms/modelform.phtml'):
pass_values_to_form(post, arr_form, yes_error)
return t.load_template(modelform_tpl, forms=arr_form)
#Function for initial values for necessary fields.
def ini_fields(fields):
pass

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#!/usr/bin/python3
from paramecio.cromosoma.webmodel import WebModel
from paramecio.cromosoma.coreforms import PasswordForm
from paramecio.citoplasma.i18n import I18n
from paramecio.citoplasma.httputils import GetPostFiles
class UserModel(WebModel):
def __init__(self, name_field_id="id"):
super().__init__(name_field_id)
self.password_field='password'
self.email_field='email'
self.username_field='username'
self.yes_repeat_password=True
def create_forms(self, arr_fields={}):
# Add password_repeat to forms from the model
super().create_forms(arr_fields)
if self.password_field in arr_fields and self.yes_repeat_password:
repeat_password=PasswordForm('repeat_password', '')
repeat_password.required=1
repeat_password.label=I18n.lang('common', 'repeat_password', 'Repeat Password')
self.create_form_after(self.password_field, repeat_password)
"""
def insert(self, dict_values, external_agent=True):
if 'password' in dict_values:
dict_values['repeat_password']=dict_values.get('repeat_password', '')
if dict_values['repeat_password']!=dict_values[self.password_field]:
self.fields[self.password_field].error=True
self.fields['password'].txt_error=I18n.lang('common', 'error_passwords_no_match', 'Error: passwords doesn\'t match')
return super().insert(dict_values, external_agent)
"""
def check_all_fields(self, dict_values, external_agent, yes_update=False, errors_set="insert"):
try:
fields, values, update_values=super().check_all_fields(dict_values, external_agent, yes_update, errors_set)
except:
return False
# Check if passwords matches
if self.password_field in dict_values:
dict_values['repeat_password']=dict_values.get('repeat_password', '')
if dict_values['repeat_password']!=dict_values[self.password_field]:
if dict_values[self.password_field].strip()!="":
self.fields[self.password_field].error=True
self.fields[self.password_field].txt_error=I18n.lang('common', 'error_passwords_no_match', 'Error: passwords doesn\'t match')
return False
# Check if exists user with same email or password
get_id=0
if self.updated:
# Need the id
GetPostFiles.obtain_get()
GetPostFiles.obtain_post()
get_id=GetPostFiles.get.get(self.name_field_id, '0')
post_id=GetPostFiles.post.get(self.name_field_id, '0')
if get_id!='0':
get_id=int(get_id)
if post_id!='0':
get_id=int(post_id)
pass
sql_id=''
original_conditions=self.conditions
self.reset_conditions()
if self.username_field in dict_values:
self.conditions=['WHERE username=%s', [dict_values[self.username_field]]]
if self.email_field in dict_values:
if len(self.conditions[1])>0:
self.conditions[0]+=' OR email=%s'
else:
self.conditions[0]='WHERE email=%s'
self.conditions[1]=[]
self.conditions[1].append([dict_values[self.email_field]])
if get_id>0:
self.conditions[0]=' AND '+self.username_field+'=%s'
self.conditions[1].append(get_id)
if self.select_count()>0:
self.fields[self.username_field].error=True
self.fields[self.username_field].txt_error=I18n.lang('common', 'error_username_or_password_exists', 'Error: username or email exists in database')
return False
self.conditions=original_conditions
return fields, values, update_values

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#!/usr/bin/python3
import sys
import re
import uuid
from importlib import import_module, reload
from collections import OrderedDict
from paramecio.cromosoma.databases.mysql import SqlClass
from paramecio.cromosoma.coreforms import BaseForm, HiddenForm
# The most important class for the framework
#
# Webmodel is a class for create objects that represent models. This models are a mirage of SQL tables. You can create fields, add indexes, foreign keys, and more.
#
#
class WebModel:
#Globals class variables for internal tasks
arr_sql_index={}
arr_sql_set_index={}
arr_sql_unique={}
arr_sql_set_unique={}
last_query=""
make_connection=SqlClass.connect_to_db
#A dictionary for add models here
model=OrderedDict()
connections={'default': {'host': 'localhost', 'user': 'user', 'password': '', 'db': 'default', 'charset': 'utf8', 'set_connection': False} }
connection_id="default"
webmodel=True
# Init the class
def __init__(self, name_field_id="id"):
#The name of the table
self.name=type(self).__name__.lower()
self.label=self.name
self.label_general=self.name
self.name_field_id=name_field_id
#Fields of the table, inserte with register method
self.fields=OrderedDict()
#The tables related with foreignkeyfield to this table
self.related=[]
#A dictionary where forms of this model are saved
self.forms=OrderedDict()
self.cache_method=''
# A dictionary with the errors in fields.
self.fields_errors={}
self.errors={}
self.num_errors=0
self.query_error=""
self.conditions=["WHERE 1=1", []]
self.order_by="ORDER BY `"+self.name+"`.`id` ASC"
self.limit=""
self.related_models_deleted=[]
self.required_save={}
#Create id field
self.register(PrimaryKeyField(self.name_field_id))
#self.model[name]=self
self.yes_reset_conditions=True
self.create_fields()
self.updated=False
self.valid_fields=[]
# A method where create the new fields of this model
def create_fields(self):
pass
# A method for register the fields
def register(self, field_model):
#self.fields_required[field_model]=field_model.required
self.fields[field_model.name]=field_model
self.fields[field_model.name].model=self
# A method for create the id field.
def create_id_field(self, field_name="id"):
pass
# A method for select rows from a database.
def connect_to_db(self):
if WebModel.make_connection(SqlClass, self.connections[self.connection_id])==False:
raise NameError(SqlClass.error_connection)
WebModel.make_connection=SqlClass.dummy_connect
def dummy_connect(self, connection):
return True
# Static method for make queries
@staticmethod
def query(WebModel, str_query, args=[], connection_id='default'):
WebModel.connect_to_db(WebModel)
return SqlClass.query(SqlClass, str_query, args, connection_id)
# Insert method, for insert a row in database.using a dictionary
# External agent define if the update is in code or from external source, how a form.
def insert(self, dict_values, external_agent=True):
# Connect to db
self.connect_to_db()
self.query_error=''
self.fields[self.name_field_id].required=False
try:
fields, values, update_values=self.check_all_fields(dict_values, external_agent)
except:
self.query_error='Cannot insert the new row'
return False
sql="insert into `"+self.name+"` (`"+"`, `".join(fields)+"`) VALUES ("+", ".join(values)+")"
cursor=SqlClass.query(SqlClass, sql, self.conditions[1], self.connection_id)
if cursor.rowcount>0:
return True
else:
self.query_error='Cannot insert the new row'
return False
# Update method. For update one or many rows.
def update(self, dict_values, external_agent=True):
# Connect to db
self.fields[self.name_field_id].required=False
if self.name_field_id in dict_values:
del dict_values[self.name_field_id]
self.connect_to_db()
self.query_error=''
#try:
self.updated=True
try:
fields, values, update_values=self.check_all_fields(dict_values, external_agent, True, 'update')
except:
return False
sql="update `"+self.name+"` SET "+", ".join(update_values)+" "+self.conditions[0]
cursor=SqlClass.query(SqlClass, sql, self.conditions[1], self.connection_id)
if self.yes_reset_conditions:
self.reset_conditions()
return True
"""
if cursor.rowcount>0:
if self.yes_reset_conditions:
self.reset_conditions()
return True
else:
self.query_error='Cannot update the row'
return False
"""
"""
except:
#self.query_error=SqlClass.error_connection
e = sys.exc_info()[0]
v = sys.exc_info()[1]
self.error_connection="Error in query: %s %s" % (e, v)
return False
"""
def reset_conditions(self):
self.conditions=["WHERE 1=1", []]
# A method for select fields from a table in db. Support for foreignkeys.
#Type assoc can be assoc for return dictionaries
def select(self, arr_select=[], raw_query=0):
# Connect to db
self.connect_to_db()
conditions=self.conditions
final_fields=[]
extra_fields=[]
self.query_error=''
#First table selecction
tables_to_select=['`'+self.name+'`']
keys=list(self.fields.keys())
if len(arr_select)==0:
arr_select=keys
# Array intersect for obtain the valid fields
fields = list(set(keys) & set(arr_select))
#Creating the fields
for field in fields:
#Check if foreignkeyfield
if type(self.fields[field]).__name__=="ForeignKeyField" and raw_query==0:
table_name=self.fields[field].table_name
tables_to_select.append('`'+table_name+'`')
# Add field from related table
# as "+table_name+"_"+self.fields[field].named_field
extra_fields.append("`"+table_name+"`.`"+self.fields[field].named_field+"` as "+field)
# Add a condition to sql query for join the two tables.
conditions[0]+=" AND `"+table_name+"`.`"+self.fields[field].identifier_field+"`=`"+self.name+"`.`"+field+"`"
# Add extra fields from related table from select_fields ForeignKeyField class member
for extra_field in self.fields[field].select_fields:
extra_fields.append("`"+table_name+"`.`"+extra_field+"` as `"+table_name+"_"+extra_field+"`")
else:
# Add normal field to sql query
final_fields.append("`"+self.name+"`.`"+field+"`")
extra_sql_field=""
if len(extra_fields)>0:
extra_sql_field=", "+", ".join(extra_fields)
if len(final_fields)==0:
self.query_error="Error: without fields to search"
return False
sql= ("select "+", ".join(final_fields)+extra_sql_field+" from "+", ".join(tables_to_select)+' '+conditions[0]+' '+self.order_by+' '+self.limit).strip()
self.last_query=sql
if self.yes_reset_conditions:
self.reset_conditions()
cursor=SqlClass.query(SqlClass, sql, conditions[1], self.connection_id)
if cursor==False:
self.query_error=SqlClass.error_connection
return False
else:
return cursor
# Show results in a dictionary
def fetch(self, cursor):
return cursor.fetchone()
def insert_id(self, cursor):
return cursor.lastrowid
def element_exists(self, id):
self.conditions=['WHERE `'+self.name_field_id+'`=%s', [id]]
count=self.select_count(self.name_field_id)
if self.yes_reset_conditions:
self.reset_conditions()
if count>0:
return True
return False
def select_a_field(self, field):
pass
def select_a_row(self, id, fields_selected=[], raw_query=0):
self.conditions=['WHERE `'+self.name+'`.`'+self.name_field_id+'`=%s', [id]]
self.limit="limit 1"
cursor=self.select(fields_selected, raw_query)
self.reset_conditions()
row=cursor.fetchone()
if row==None:
row=False
return row
def select_a_row_where(self, fields_selected=[], raw_query=0):
self.limit="limit 1"
cursor=self.select(fields_selected, raw_query)
row=cursor.fetchone()
if row==None:
row=False
return row
def select_to_array(self, fields_selected=[], raw_query=0):
if len(fields_selected) > 0 and (self.name_field_id not in fields_selected):
fields_selected.append(self.name_field_id)
cursor=self.select(fields_selected, raw_query)
results={}
for row in cursor:
results[row[self.name_field_id]]=row
return results
# A method por count num rows affected for sql conditions
def select_count(self, field_to_count='id', raw_query=1):
# Connect to db
self.connect_to_db()
conditions=self.conditions
#First table selecction
tables_to_select=['`'+self.name+'`']
fields=list(self.fields.keys())
#Creating the fields
for field in fields:
#Check if foreignkeyfield
if type(self.fields[field]).__name__=="ForeignKeyField" and raw_query==0:
table_name=self.fields[field].table_name
tables_to_select.append('`'+table_name+'`')
# Add a condition to sql query for join the two tables.
conditions[0]+=" AND `"+table_name+"`.`"+self.fields[field].identifier_field+"`=`"+self.name+"`.`"+field+"`"
sql= "select count(`"+field_to_count+"`) from "+", ".join(tables_to_select)+conditions[0]
cursor=SqlClass.query(SqlClass, sql, conditions[1], self.connection_id)
count=list(cursor.fetchone().values())[0]
if self.yes_reset_conditions:
self.reset_conditions()
return count
#+' ORDER BY '+self.order_by+' '+self.limit).strip()
# A method for delete rows using sql conditions
def delete(self):
self.connect_to_db()
#Need delete rows from other related tables save in self.related_models_deleted
sql="delete from `"+self.name+"` "+self.conditions[0]
result=SqlClass.query(SqlClass, sql, self.conditions[1], self.connection_id)
if self.yes_reset_conditions:
self.reset_conditions()
return result
# Method for create sql tables
def create_table(self):
#self.connect_to_db()
self.arr_sql_index[self.name]={}
self.arr_sql_set_index[self.name]={}
self.arr_sql_unique[self.name]={}
self.arr_sql_set_unique[self.name]={}
#foreach($this->components as $field => $data)
table_fields=[]
#Create id field
#Not neccesary
#table_fields.append('`'+self.name_field_id+"` INT NOT NULL PRIMARY KEY AUTO_INCREMENT")
for field, data in self.fields.items():
table_fields.append('`'+field+'` '+data.get_type_sql())
#Check if indexed
if self.fields[field].indexed==True:
self.arr_sql_index[self.name][field]='CREATE INDEX `index_'+self.name+'_'+field+'` ON '+self.name+'(`'+field+'`);'
self.arr_sql_set_index[self.name][field]=""
#Check if unique
if self.fields[field].unique==True:
self.arr_sql_unique[self.name][field]='ALTER TABLE `'+self.name+'` ADD UNIQUE (`'+field+'`)'
self.arr_sql_set_unique[self.name][field]=""
if type(self.fields[field]).__name__=="ForeignKeyField":
self.arr_sql_index[self.name][field]='CREATE INDEX `index_'+self.name+'_'+field+'` ON '+self.name+'(`'+field+'`);'
table_related=self.fields[field].table_name
id_table_related=self.fields[field].table_id
self.arr_sql_set_index[self.name][field]='ALTER TABLE `'+self.name+'` ADD CONSTRAINT `'+field+'_'+self.name+'IDX` FOREIGN KEY ( `'+field+'` ) REFERENCES `'+table_related+'` (`'+id_table_related+'`) ON DELETE RESTRICT ON UPDATE RESTRICT;'
return "create table `"+self.name+"` (\n"+",\n".join(table_fields)+"\n) DEFAULT CHARSET=utf8;";
def update_table(self, fields_to_add, fields_to_modify, fields_to_add_index, fields_to_add_constraint, fields_to_add_unique, fields_to_delete_index, fields_to_delete_unique, fields_to_delete_constraint, fields_to_delete):
#Obtain new fields
for field in fields_to_modify:
print("---Updating "+field+" in "+self.name)
WebModel.query(WebModel, 'ALTER TABLE `'+self.name+'` MODIFY `'+field+'` '+self.fields[field].get_type_sql(), [], self.connection_id)
for field in fields_to_add:
print("---Adding "+field+" in "+self.name)
WebModel.query(WebModel, 'ALTER TABLE `'+self.name+'` ADD `'+field+'` '+self.fields[field].get_type_sql(), [], self.connection_id)
for field in fields_to_add_index:
print("---Adding index to "+field+" in "+self.name)
WebModel.query(WebModel, 'CREATE INDEX `index_'+self.name+'_'+field+'` ON '+self.name+' (`'+field+'`);', [], self.connection_id)
for field in fields_to_add_constraint:
print("---Adding foreign key to "+field+" in "+self.name)
table_related=self.fields[field].table_name
id_table_related=self.fields[field].table_id
WebModel.query(WebModel, 'ALTER TABLE `'+self.name+'` ADD CONSTRAINT `'+field+'_'+self.name+'IDX` FOREIGN KEY ( `'+field+'` ) REFERENCES `'+table_related+'` (`'+id_table_related+'`) ON DELETE RESTRICT ON UPDATE RESTRICT;', [], self.connection_id)
for field in fields_to_add_unique:
print("---Adding unique to "+field+" in "+self.name)
WebModel.query(WebModel, 'ALTER TABLE `'+self.name+'` ADD UNIQUE (`'+field+'`)', [], self.connection_id)
for field in fields_to_delete_index:
print("---Deleting index from "+field+" in "+self.name)
WebModel.query(WebModel, 'DROP INDEX `index_'+self.name+'_'+field+'` ON '+self.name, [], self.connection_id)
for field in fields_to_delete_unique:
print("---Deleting unique from "+field+" in "+self.name)
WebModel.query(WebModel, 'DROP INDEX `'+field+'` ON '+self.name, [], self.connection_id)
for field in fields_to_delete_constraint:
print("---Deleting foreignkey from "+field+" in "+self.name)
WebModel.query(WebModel, 'ALTER TABLE `'+self.name+'` DROP FOREIGN KEY '+field+'_'+self.name+'IDX', [], self.connection_id)
for field in fields_to_delete:
print("---Deleting "+field+" from "+self.name)
WebModel.query(WebModel, 'ALTER TABLE `'+self.name+'` DROP `'+field+'`', [], self.connection_id)
#Deleting indexes and constraints.
# Method for drop sql tables and related
def drop_table(name):
pass
#Return an array with all fields
def all_fields():
pass
#Check of all fields in table.
def check_all_fields(self, dict_values, external_agent, yes_update=False, errors_set="insert"):
fields=[]
values=[]
update_values=[]
self.errors[errors_set]=[]
self.num_errors=0
#A dictionary that define if update property is added
updated_field={}
updated_field['insert']=0
updated_field['update']=1
error=False
if yes_update==True:
f_update=lambda field, value: "`"+field+"`="+value+""
else:
f_update=lambda field, value: ""
# I can optimize this later
for k, v in self.fields.items():
#List where the errors are saved
self.fields_errors[k]=[]
if k in dict_values:
# If fields is protected, but external_agent =0, then insert
# If fields is not protected always insert if not error checking
value=dict_values[k]
# Need rewrite the error because shitty python don't clean nothing
self.fields[k].error=False
if (self.fields[k].protected==None or self.fields[k].protected==False or external_agent==False) and k in self.valid_fields:
self.fields[k].update=updated_field[errors_set]
value=self.fields[k].check(value)
if self.fields[k].check_blank==False or self.updated==False:
# If error checking, value=False
if self.fields[k].error==True and self.fields[k].required==True:
#Error, need this fields.
self.num_errors+=1
self.fields_errors[k].append("Error: "+v.label+" field required")
error=True
else:
fields.append(k)
final_value=self.fields[k].quot_open+value+self.fields[k].quot_close
values.append(final_value)
update_values.append(f_update(k, final_value))
else:
self.num_errors+=1
self.fields_errors[k].append("Error: "+self.fields[k].label+" is protected field")
self.fields[k].error=True
self.fields[k].txt_error="Error: "+self.fields[k].label+" is protected field"
error=True
elif v.required==True:
self.num_errors+=1
self.fields_errors[k].append("Error: "+v.label+" field required")
error=True
if len(fields)==0:
self.num_errors+=1
self.errors[errors_set].append("Error: no elements to insert in table")
error=True
if error==True:
self.num_errors+=1
self.errors[errors_set].append("Error: error checking the values of the table")
return False
return (fields, values, update_values)
#Reset the require field in fields
def reset_require(self):
for k, v in self.fields.items():
self.required_save[k]=self.fields[k].required
self.fields[k].required=0
#Reload the require field in fields
def reload_require(self):
for k,r in self.fields.items():
self.fields[k].required=r
#Create a form based in table.
def create_forms(self, arr_fields={}):
if len(arr_fields)==0:
arr_fields=self.fields.keys()
#for name_field, field in self.fields.items():
for name_field in arr_fields:
self.valid_fields.append(name_field)
self.forms[name_field]=self.fields[name_field].create_form()
def create_form_after(self, form_after, new_form):
new_dict=OrderedDict()
for name_form, form in self.forms.items():
new_dict[name_form]=form
if name_form==form_after:
new_dict[new_form.name]=new_form
self.forms=new_dict
@staticmethod
def close():
WebModel.make_connection=SqlClass.connect_to_db
SqlClass.close(SqlClass)
@staticmethod
def escape_sql(value):
value=str(value)
return value.replace("'","\\'").strip()
class PhangoField:
def __init__(self, name, size=255, required=False):
# The name of the field in database table
self.name=name
# The label for the Field
self.label=name.replace('_', ' ').title()
# If field is required, self.required is True
self.required=required
# The size of field in database
self.size=size
# Protected, if this value != None, cannot use it in insert or update.
self.protected=None
# $quote_open is used if you need a more flexible sql sentence,
# @warning USE THIS FUNCTION IF YOU KNOW WHAT YOU ARE DOING
self.quot_open='\''
# $quote_close is used if you need a more flexible sql sentence,
# @warning USE THIS PROPERTY IF YOU KNOW WHAT YOU ARE DOING
self.quot_close='\''
# Variable where the basic text error is saved
self.error=None
self.txt_error=""
# Array for create initial parameters for form..
self.parameters=[]
# Themodel where this component or field live
self.model=None
# Property used for set this field how indexed in the database table.
self.indexed=False
# Property used for set this field how unique value in the database table.
self.unique=False
# Simple property for make more easy identify foreignkeyfields.
self.foreignkey=False
# Property that define the default value for this field
self.default_value=""
# Property that define if this field is in an update operation or insert operation
self.update=False
# Property used for check if this value cannot change if is in blank and is filled
self.check_blank=False
# Define the form, when is created forms with create_forms you can change the properties of this class
self.name_form=BaseForm
# This method is used for describe the new field in a sql language format.
def get_type_sql(self):
return 'VARCHAR('+str(self.size)+') NOT NULL DEFAULT "'+self.default_value+'"'
def show_formatted(self, value):
return value
# This method for check the value
def check(self, value):
self.error=False
self.txt_error=''
value=str(value)
value=WebModel.escape_sql(value)
if value=="":
self.txt_error="The field is in blank"
self.error=True
return value
def set_relationships(self):
pass
def create_form(self):
form=self.name_form(self.name, self.default_value)
form.default_value=self.default_value
form.required=self.required
form.label=self.label
form.field=self
return form
class PrimaryKeyField(PhangoField):
def __init__(self, name, size=11, required=False):
super(PrimaryKeyField, self).__init__(name, size, required)
self.protected=True
self.name_form=HiddenForm
self.required=True
def check(self, value):
self.error=None
self.txt_error=''
if value=='':
value='0'
value=str(int(value))
if value==0:
self.txt_error="The value is zero"
self.error=True
return value
def get_type_sql(self):
return 'INT NOT NULL PRIMARY KEY AUTO_INCREMENT'