I have columns as field.1.type = xyz, field.2.type = abc,field.1.id,field.2.type. Now I want to do the value assignment as follows.
If field.1.type contains 'xy' then create a new attribute as id_xy = field.1.id
If field.2.type contains 'ab' then create a new attribute as id_ab = field.2.id
I want to do this in a loop. How can I achieve this?
Related
I'm trying to auto-populate a tkinter table with the names of folders in a directory and details about their properties
grpdata_name = listdir(r"PATH")
grpdata_path = r"PATH\{}".format(grpdata_name[0])
grpdata_groupcount = -1
for x in grpdata_name :
grpdata_groupcount = grpdata_groupcount +1
grpdata_groupcurrent = 'grpdata_name{}{}{}'.format('[',grpdata_groupcount,']')
GUI_Table.insert(parent='',index='end',iid=0,text='',
values=('ID',grpdata_groupcurrent,'TIME CREATED','TIME MODIFIED','DEVICES'))
My current method is to change the selected element in a string. This creates a working cycle through each part of the string ( grpdata_name[0] , grpdata_name[1] etc)
I can't figure out how to use the contents of grpdata_groupcurrent as a variable, rather than a string.
This method isn't very efficient overall, so please let me know if there is a better way to do this.
I have a database from which data is coming into a QTableWidget. The table in the database has the following Columns,
ID (Primary key, auto-increment value)
Name
Location
The QTableWidget has the following columns (that I have added)
ID (this column, I have hidden. and it contains the value of "ID" column from the Database Table)
Sr # (Represents the Row Number of the table)
Name (Contains "name" from the database table)
Location (Contains "Location from the database table)
Actions (Contains a Delete Button for that Row)
By hidden, I mean to say that I have made this column hidden using the folliwng command,
self.ui.table.setColumnHidden(0, True);
This is how I am populating my QTableWidget and creating a Delete Function,
def get_data(self):
mycursor = self.DB.cursor()
Subquery = "select id, name, location "
Subquery += " from tbl_person"
mycursor.execute(Subquery)
numcols = len(mycursor.fetchall()[0])
mycursor.execute(Subquery)
numrows = len(mycursor.fetchall())
self.ui.table.setRowCount(numrows)
self.ui.table.setColumnCount(numcols+2)
mycursor.execute(Subquery)
tablerow = 0
for row in mycursor.fetchall():
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
delete_button = QPushButton("Delete Data")
delete_button.clicked.connect(self.executeDeleteFunction)
# delete_button.setStyleSheet(delete_push_button) -> Only for styling
self.ui.table.setItem(tablerow, 0, PySide2.QtWidgets.QTableWidgetItem(str(row[0])))
self.ui.table.setItem(tablerow, 1, PySide2.QtWidgets.QTableWidgetItem(str(tablerow+1)))
self.ui.table.setItem(tablerow, 2, PySide2.QtWidgets.QTableWidgetItem(str(row[1])))
self.ui.table.setItem(tablerow, 3, PySide2.QtWidgets.QTableWidgetItem(str(row[2])))
self.ui.table.setCellWidget(tablerow, 4, delete_button)
tablerow += 1
self.ui.table.setColumnHidden(0, True)
#self.ui.registered_table.horizontalHeader().setSectionResizeMode(PySide2.QtWidgets.QHeaderView.Stretch)
self.ui.table.resizeColumnsToContents()
def executeDeleteFunction(self):
self.person_id = self.ui.table.selectionModel().selectedIndexes()[0]
self.person_id = self.person_id.row()
mycursor = self.DB.cursor()
sql = "delete from tbl_person where id = %s"
val = (id, )
mycursor.execute(sql, val)
print("Deletion Successful")
On the Deletion Function, what this code does is basically gets the value of the **Sr # ** Column from the QTableWidget and deletes the data according to that, i.e. it is getting me the value from the visible first column and not the actual first column. But, I want the data from the "ID" column of the QTableWidget which is hidden
I tried to look up on how to get the value from the first hidden column on the QTableWidget and ended up with this link: How to get data from hidden 'id' column in QtableWidget
This apparently solves my issue but I can not seem to make it work for my code. I don't want to retrieve values of multiple Rows but only of one row so how do I do this (as I am only deleting one row. But in the question mentioned, I believe that it is getting data from multiple rows due to that for each loop)?
Moreover, I tried to find help regarding the functionality of sibling function (which is provided in the answer of above question) however I could not find any good resource on this function (i.e. how to use this, or some practical example and etc.)
I tried the following with Sibling function to obtain the value of first hidden column of the Selected Row but it did not work,
self.value = self.table.selectedItems()[0]
self.value = sibling(self.value.row(), 0)
There are some conceptual problems with the given code.
First of all, the QtSql module should be preferred instead of artificially creating a model. For basic tables, QSqlTableModel is fine enough, while for custom queries, QSqlQueryModel is a good choice.
Now the problem is that UI-based selection is always based on visible items: if you select a row in a view that has hidden columns, you will not get the hidden indexes that belong to those columns.
In order to get the indexes (as in QModelIndex) of hidden columns on a table widget, the only way is the same for a table view: you need to access the model and get the index for the row, or you get the actual model index and then get the sibling (which is conceptually the same, as the underlying function does):
item = self.table.selectedItems()[0]
index = self.table.indexForItem(index)
firstRowIndex = index.sibling(index.row(), 0)
sqlIndex = firstRowIndex.data() # might be a string
Note that you can also use siblingAtColumn():
firstRowIndex = index.siblingAtColumn(0)
That's because when you create QTableWidget items, you're actually creating a new model, and the row for that model doesn't reflect the actual "row" of that index in the source model; items in the second row will return 1 for row(), even if their actual row is different, and that's because that item has been added as second to the table widget, since it's the second item in the query.
So, the solution is that you either get the incremental row value for the first column index sibling, or you use one of the predefined Sql models.
For simple models, the latter solution is fine enough, but if you need more complex models, the first is certainly more accurate and reliable.
I am creating a table in a function, so the function outputs a table to the assigned variable name as shown below
[name] = tablefunc(input1, input2)
The thing is I want to be able to have the name be an input that was assigned earlier for example
name = 'dogs'
[something] = tablefunc(input1,input2)
I want to be able to put some code where it says something so that the outputted table for tablefunc is assigned the variable name dogs
It might be confusing why I am doing this but it is because I am extracting tables from a txt file in a for loop so I am getting lots of tables generated and I want to be able to give the tables their appropriate names as opposed to just table1, table2 etc.
That's not a good idea. As an alternative, you should create a structure:
function t = tablefunc(input1,input2)
t = table(input1,input2);
end
name = 'dogs';
s = struct();
s.(name) = tablefunc(rand(2),rand(2));
You can have one field per txt file.
I have a list that has a lookup column that comes from external list records.
I want to select multiple records from the external list while setting the value of this lookup column ??
So how to select multiple Values for a lookup column ?
What you want to use is the SPFieldLookupValueCollection object which will allow you to specify multiple lookup values for a field value. Here is some sample code that gets two values from the "Options" list (based on ID, but you could use an SPQuery) and then creates a SPFieldLookupValueCollection based on those items. It then sets the "OptionsLookup" field on the "TestList" list.
SPList optionsList = currentWeb.GetList(currentWeb.ServerRelativeUrl + "Lists/Options");
SPListItem value1 = optionsList.GetItemById(1);
SPListItem value2 = optionsList.GetItemById(2);
SPFieldLookupValueCollection optionValues = new SPFieldLookupValueCollection();
optionValues.Add(new SPFieldLookupValue(value1.ID, value1.Title));
optionValues.Add(new SPFieldLookupValue(value2.ID, value2.Title));
SPList oneList = currentWeb.GetList(currentWeb.ServerRelativeUrl + "Lists/TestList");
SPListItem addedItem = oneList.AddItem();
addedItem["Title"] = "Setting Multiple Values";
addedItem["OptionsLookup"] = optionValues;
addedItem.Update();
I have two tables. Both of them have a column named 'title'. When I use the following code snippet to join two tables, I can't access one of the title column.
$select = $this->select(Zend_Db_Table::SELECT_WITH_FROM_PART);
$select->setIntegrityCheck(false);
$select->join("service","service.id = lecture.service_id");
return $select;
is there a way to access both columns?
You need to rename one of the columns so it doesn't conflict with the other. If you pass an array as the optional 3rd argument to join(), you can specify which columns to retrieve from the joined table. If one or more of the entries in the array is hashed, then the hash key will be used as the property name. With the code below, you can refer to the title column of the service table as "service_title" in your query results. If you want other columns from the service table, add them to the array, with or without hashes as desired.
$select = $this->select(Zend_Db_Table::SELECT_WITH_FROM_PART);
$select->setIntegrityCheck(false);
$select->join("service", "service.id = lecture.service_id",
array("service_title" => "service.title");
return $select;
$select = $this->select();
$select->from(array('t'=>'table1'), array('table_title AS title_first','table_sendo_colun','table_third_colun'));
$select->setIntegrityCheck(false);
$select->join("service","service.id = t.service_id");
return $select;
Maybe It can do the job.
Regard´s.