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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
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<meta name="generator" content="pdoc 0.6.1" />
<title>tkintertable.Tables_IO API documentation</title>
<meta name="description" content="Import and export classes.
Created Oct 2008
Copyright (C) Damien Farrell …" />
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<body>
<main>
<article id="content">
<header>
<h1 class="title">Module <code>tkintertable.Tables_IO</code></h1>
</header>
<section id="section-intro">
<p>Import and export classes.
Created Oct 2008
Copyright (C) Damien Farrell</p>
<p>This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.</p>
<p>This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the
GNU General Public License for more details.</p>
<p>You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307
USA</p>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">#!/usr/bin/env python
"""
Import and export classes.
Created Oct 2008
Copyright (C) Damien Farrell
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
from __future__ import absolute_import, division, print_function
try:
from tkinter import *
from tkinter.ttk import *
from tkinter import filedialog, messagebox, simpledialog
except:
from Tkinter import *
from ttk import *
import tkFileDialog as filedialog
import tkSimpleDialog as simpledialog
import tkMessageBox as messagebox
import os, csv
class TableImporter:
"""Provides import utility methods for the Table and Table Model classes"""
def __init__(self):
"""Setup globals"""
#self.separator = ','
self.separator_list = [',',' ','\t',':']
self.var_sep = StringVar()
self.var_sep.set(',')
return
def import_Dialog(self, parent):
"""Allows user to set some import options"""
self.parent=parent
self.master=Toplevel()
self.master.title("Import Data")
self.xsize = 450
self.ysize = 370
top=self.master.winfo_toplevel()
self.master.geometry('400x400+200+200')
self.sep_choice = Combobox(self.master,
text = 'Record separator:',
textvariable = self.var_sep,
values = self.separator_list,
width = 4)
self.var_sep.trace('w', self.update_display)
Label(self.master,text='separator:').grid(row=0,column=0,sticky='nw',padx=2,pady=2)
self.sep_choice.grid(row=0,column=1,sticky='nw',padx=2,pady=2)
#place for text preview frame
self.textframe = Frame(self.master)
self.textframe.grid(row=1,column=0,columnspan=5,sticky='news',padx=2,pady=2)
self.previewarea = Text(self.textframe, bg='white', width=400, height=500)
self.previewarea.pack(fill=BOTH, expand=1)
#buttons
self.openButton = Button(self.master, text = 'Open File',
command = self.do_openFile )
self.openButton.grid(row=3,column=0,sticky='news',padx=2,pady=2)
self.importButton = Button(self.master, text = 'Do Import',
command = self.do_ModelImport )
self.importButton.grid(row=3,column=1,sticky='news',padx=2,pady=2)
self.CancelButton = Button(self.master, text = 'Cancel',
command = self.close )
self.CancelButton.grid(row=3,column=2,sticky='news',padx=2,pady=2)
self.master.columnconfigure(0,weight=1)
self.master.rowconfigure(1,weight=1)
return self.master
def do_openFile(self):
self.datafile = self.open_File(self.parent)
self.update_display()
return
def open_File(self, parent):
savedir = os.getcwd()
filename=filedialog.askopenfile(defaultextension='.csv',
initialdir=savedir,
initialfile='',
filetypes=[("Data file","*.csv"),
("All files","*.*")],
title='Choose data from a .csv file saved as excel spreadsheet in .csv format (comma separated list)',
parent=parent)
if filename and os.path.exists(filename.name) and os.path.isfile(filename.name):
datafile = filename.name
return datafile
def update_display(self, *args):
"""Preview loaded file"""
sep = self.var_sep.get()
self.previewarea.delete(1.0, END)
reader = csv.reader(open(self.datafile, "r"), delimiter=sep)
for row in reader:
self.previewarea.insert(END,row)
self.previewarea.insert(END,'\n')
return
def do_ModelImport(self):
"""imports and places the result in self.modeldata"""
self.data = self.ImportTableModel(self.datafile)
self.close()
return
def ImportTableModel(self, filename):
"""Import table data from a comma separated file and create data for a model."""
if not os.path.isfile(filename):
return None
try:
sep = self.var_sep.get()
except:
sep = ','
#takes first row as field names
dictreader = csv.DictReader(open(filename, "r"), delimiter=sep)
dictdata = {}
count=0
for rec in dictreader:
dictdata[count]=rec
count=count+1
return dictdata
def close(self):
self.master.destroy()
return
class TableExporter:
def __init__(self):
"""Provides export utility methods for the Table and Table Model classes"""
return
def ExportTableData(self, table, sep=None):
"""Export table data to a comma separated file"""
parent=table.parentframe
filename = filedialog.asksaveasfilename(parent=parent,defaultextension='.csv',
filetypes=[("CSV files","*.csv")] )
if not filename:
return
if sep == None:
sep = ','
writer = csv.writer(open(filename, "w"), delimiter=sep)
model=table.getModel()
recs = model.getAllCells()
#take column labels as field names
colnames = model.columnNames
collabels = model.columnlabels
row=[]
for c in colnames:
row.append(collabels[c])
writer.writerow(row)
for row in recs.keys():
writer.writerow(recs[row])
return</code></pre>
</details>
</section>
<section>
</section>
<section>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-classes">Classes</h2>
<dl>
<dt id="tkintertable.Tables_IO.TableExporter"><code class="flex name class">
<span>class <span class="ident">TableExporter</span></span>
</code></dt>
<dd>
<section class="desc"><p>Provides export utility methods for the Table and Table Model classes</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">class TableExporter:
def __init__(self):
"""Provides export utility methods for the Table and Table Model classes"""
return
def ExportTableData(self, table, sep=None):
"""Export table data to a comma separated file"""
parent=table.parentframe
filename = filedialog.asksaveasfilename(parent=parent,defaultextension='.csv',
filetypes=[("CSV files","*.csv")] )
if not filename:
return
if sep == None:
sep = ','
writer = csv.writer(open(filename, "w"), delimiter=sep)
model=table.getModel()
recs = model.getAllCells()
#take column labels as field names
colnames = model.columnNames
collabels = model.columnlabels
row=[]
for c in colnames:
row.append(collabels[c])
writer.writerow(row)
for row in recs.keys():
writer.writerow(recs[row])
return</code></pre>
</details>
<h3>Methods</h3>
<dl>
<dt id="tkintertable.Tables_IO.TableExporter.ExportTableData"><code class="name flex">
<span>def <span class="ident">ExportTableData</span></span>(<span>self, table, sep=None)</span>
</code></dt>
<dd>
<section class="desc"><p>Export table data to a comma separated file</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def ExportTableData(self, table, sep=None):
"""Export table data to a comma separated file"""
parent=table.parentframe
filename = filedialog.asksaveasfilename(parent=parent,defaultextension='.csv',
filetypes=[("CSV files","*.csv")] )
if not filename:
return
if sep == None:
sep = ','
writer = csv.writer(open(filename, "w"), delimiter=sep)
model=table.getModel()
recs = model.getAllCells()
#take column labels as field names
colnames = model.columnNames
collabels = model.columnlabels
row=[]
for c in colnames:
row.append(collabels[c])
writer.writerow(row)
for row in recs.keys():
writer.writerow(recs[row])
return</code></pre>
</details>
</dd>
</dl>
</dd>
<dt id="tkintertable.Tables_IO.TableImporter"><code class="flex name class">
<span>class <span class="ident">TableImporter</span></span>
</code></dt>
<dd>
<section class="desc"><p>Provides import utility methods for the Table and Table Model classes</p>
<p>Setup globals</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">class TableImporter:
"""Provides import utility methods for the Table and Table Model classes"""
def __init__(self):
"""Setup globals"""
#self.separator = ','
self.separator_list = [',',' ','\t',':']
self.var_sep = StringVar()
self.var_sep.set(',')
return
def import_Dialog(self, parent):
"""Allows user to set some import options"""
self.parent=parent
self.master=Toplevel()
self.master.title("Import Data")
self.xsize = 450
self.ysize = 370
top=self.master.winfo_toplevel()
self.master.geometry('400x400+200+200')
self.sep_choice = Combobox(self.master,
text = 'Record separator:',
textvariable = self.var_sep,
values = self.separator_list,
width = 4)
self.var_sep.trace('w', self.update_display)
Label(self.master,text='separator:').grid(row=0,column=0,sticky='nw',padx=2,pady=2)
self.sep_choice.grid(row=0,column=1,sticky='nw',padx=2,pady=2)
#place for text preview frame
self.textframe = Frame(self.master)
self.textframe.grid(row=1,column=0,columnspan=5,sticky='news',padx=2,pady=2)
self.previewarea = Text(self.textframe, bg='white', width=400, height=500)
self.previewarea.pack(fill=BOTH, expand=1)
#buttons
self.openButton = Button(self.master, text = 'Open File',
command = self.do_openFile )
self.openButton.grid(row=3,column=0,sticky='news',padx=2,pady=2)
self.importButton = Button(self.master, text = 'Do Import',
command = self.do_ModelImport )
self.importButton.grid(row=3,column=1,sticky='news',padx=2,pady=2)
self.CancelButton = Button(self.master, text = 'Cancel',
command = self.close )
self.CancelButton.grid(row=3,column=2,sticky='news',padx=2,pady=2)
self.master.columnconfigure(0,weight=1)
self.master.rowconfigure(1,weight=1)
return self.master
def do_openFile(self):
self.datafile = self.open_File(self.parent)
self.update_display()
return
def open_File(self, parent):
savedir = os.getcwd()
filename=filedialog.askopenfile(defaultextension='.csv',
initialdir=savedir,
initialfile='',
filetypes=[("Data file","*.csv"),
("All files","*.*")],
title='Choose data from a .csv file saved as excel spreadsheet in .csv format (comma separated list)',
parent=parent)
if filename and os.path.exists(filename.name) and os.path.isfile(filename.name):
datafile = filename.name
return datafile
def update_display(self, *args):
"""Preview loaded file"""
sep = self.var_sep.get()
self.previewarea.delete(1.0, END)
reader = csv.reader(open(self.datafile, "r"), delimiter=sep)
for row in reader:
self.previewarea.insert(END,row)
self.previewarea.insert(END,'\n')
return
def do_ModelImport(self):
"""imports and places the result in self.modeldata"""
self.data = self.ImportTableModel(self.datafile)
self.close()
return
def ImportTableModel(self, filename):
"""Import table data from a comma separated file and create data for a model."""
if not os.path.isfile(filename):
return None
try:
sep = self.var_sep.get()
except:
sep = ','
#takes first row as field names
dictreader = csv.DictReader(open(filename, "r"), delimiter=sep)
dictdata = {}
count=0
for rec in dictreader:
dictdata[count]=rec
count=count+1
return dictdata
def close(self):
self.master.destroy()
return</code></pre>
</details>
<h3>Methods</h3>
<dl>
<dt id="tkintertable.Tables_IO.TableImporter.ImportTableModel"><code class="name flex">
<span>def <span class="ident">ImportTableModel</span></span>(<span>self, filename)</span>
</code></dt>
<dd>
<section class="desc"><p>Import table data from a comma separated file and create data for a model.</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def ImportTableModel(self, filename):
"""Import table data from a comma separated file and create data for a model."""
if not os.path.isfile(filename):
return None
try:
sep = self.var_sep.get()
except:
sep = ','
#takes first row as field names
dictreader = csv.DictReader(open(filename, "r"), delimiter=sep)
dictdata = {}
count=0
for rec in dictreader:
dictdata[count]=rec
count=count+1
return dictdata</code></pre>
</details>
</dd>
<dt id="tkintertable.Tables_IO.TableImporter.close"><code class="name flex">
<span>def <span class="ident">close</span></span>(<span>self)</span>
</code></dt>
<dd>
<section class="desc"></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def close(self):
self.master.destroy()
return</code></pre>
</details>
</dd>
<dt id="tkintertable.Tables_IO.TableImporter.do_ModelImport"><code class="name flex">
<span>def <span class="ident">do_ModelImport</span></span>(<span>self)</span>
</code></dt>
<dd>
<section class="desc"><p>imports and places the result in self.modeldata</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def do_ModelImport(self):
"""imports and places the result in self.modeldata"""
self.data = self.ImportTableModel(self.datafile)
self.close()
return</code></pre>
</details>
</dd>
<dt id="tkintertable.Tables_IO.TableImporter.do_openFile"><code class="name flex">
<span>def <span class="ident">do_openFile</span></span>(<span>self)</span>
</code></dt>
<dd>
<section class="desc"></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def do_openFile(self):
self.datafile = self.open_File(self.parent)
self.update_display()
return</code></pre>
</details>
</dd>
<dt id="tkintertable.Tables_IO.TableImporter.import_Dialog"><code class="name flex">
<span>def <span class="ident">import_Dialog</span></span>(<span>self, parent)</span>
</code></dt>
<dd>
<section class="desc"><p>Allows user to set some import options</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def import_Dialog(self, parent):
"""Allows user to set some import options"""
self.parent=parent
self.master=Toplevel()
self.master.title("Import Data")
self.xsize = 450
self.ysize = 370
top=self.master.winfo_toplevel()
self.master.geometry('400x400+200+200')
self.sep_choice = Combobox(self.master,
text = 'Record separator:',
textvariable = self.var_sep,
values = self.separator_list,
width = 4)
self.var_sep.trace('w', self.update_display)
Label(self.master,text='separator:').grid(row=0,column=0,sticky='nw',padx=2,pady=2)
self.sep_choice.grid(row=0,column=1,sticky='nw',padx=2,pady=2)
#place for text preview frame
self.textframe = Frame(self.master)
self.textframe.grid(row=1,column=0,columnspan=5,sticky='news',padx=2,pady=2)
self.previewarea = Text(self.textframe, bg='white', width=400, height=500)
self.previewarea.pack(fill=BOTH, expand=1)
#buttons
self.openButton = Button(self.master, text = 'Open File',
command = self.do_openFile )
self.openButton.grid(row=3,column=0,sticky='news',padx=2,pady=2)
self.importButton = Button(self.master, text = 'Do Import',
command = self.do_ModelImport )
self.importButton.grid(row=3,column=1,sticky='news',padx=2,pady=2)
self.CancelButton = Button(self.master, text = 'Cancel',
command = self.close )
self.CancelButton.grid(row=3,column=2,sticky='news',padx=2,pady=2)
self.master.columnconfigure(0,weight=1)
self.master.rowconfigure(1,weight=1)
return self.master</code></pre>
</details>
</dd>
<dt id="tkintertable.Tables_IO.TableImporter.open_File"><code class="name flex">
<span>def <span class="ident">open_File</span></span>(<span>self, parent)</span>
</code></dt>
<dd>
<section class="desc"></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def open_File(self, parent):
savedir = os.getcwd()
filename=filedialog.askopenfile(defaultextension='.csv',
initialdir=savedir,
initialfile='',
filetypes=[("Data file","*.csv"),
("All files","*.*")],
title='Choose data from a .csv file saved as excel spreadsheet in .csv format (comma separated list)',
parent=parent)
if filename and os.path.exists(filename.name) and os.path.isfile(filename.name):
datafile = filename.name
return datafile</code></pre>
</details>
</dd>
<dt id="tkintertable.Tables_IO.TableImporter.update_display"><code class="name flex">
<span>def <span class="ident">update_display</span></span>(<span>self, *args)</span>
</code></dt>
<dd>
<section class="desc"><p>Preview loaded file</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def update_display(self, *args):
"""Preview loaded file"""
sep = self.var_sep.get()
self.previewarea.delete(1.0, END)
reader = csv.reader(open(self.datafile, "r"), delimiter=sep)
for row in reader:
self.previewarea.insert(END,row)
self.previewarea.insert(END,'\n')
return</code></pre>
</details>
</dd>
</dl>
</dd>
</dl>
</section>
</article>
<nav id="sidebar">
<h1>Index</h1>
<div class="toc">
<ul></ul>
</div>
<ul id="index">
<li><h3>Super-module</h3>
<ul>
<li><code><a title="tkintertable" href="index.html">tkintertable</a></code></li>
</ul>
</li>
<li><h3><a href="#header-classes">Classes</a></h3>
<ul>
<li>
<h4><code><a title="tkintertable.Tables_IO.TableExporter" href="#tkintertable.Tables_IO.TableExporter">TableExporter</a></code></h4>
<ul class="">
<li><code><a title="tkintertable.Tables_IO.TableExporter.ExportTableData" href="#tkintertable.Tables_IO.TableExporter.ExportTableData">ExportTableData</a></code></li>
</ul>
</li>
<li>
<h4><code><a title="tkintertable.Tables_IO.TableImporter" href="#tkintertable.Tables_IO.TableImporter">TableImporter</a></code></h4>
<ul class="two-column">
<li><code><a title="tkintertable.Tables_IO.TableImporter.ImportTableModel" href="#tkintertable.Tables_IO.TableImporter.ImportTableModel">ImportTableModel</a></code></li>
<li><code><a title="tkintertable.Tables_IO.TableImporter.close" href="#tkintertable.Tables_IO.TableImporter.close">close</a></code></li>
<li><code><a title="tkintertable.Tables_IO.TableImporter.do_ModelImport" href="#tkintertable.Tables_IO.TableImporter.do_ModelImport">do_ModelImport</a></code></li>
<li><code><a title="tkintertable.Tables_IO.TableImporter.do_openFile" href="#tkintertable.Tables_IO.TableImporter.do_openFile">do_openFile</a></code></li>
<li><code><a title="tkintertable.Tables_IO.TableImporter.import_Dialog" href="#tkintertable.Tables_IO.TableImporter.import_Dialog">import_Dialog</a></code></li>
<li><code><a title="tkintertable.Tables_IO.TableImporter.open_File" href="#tkintertable.Tables_IO.TableImporter.open_File">open_File</a></code></li>
<li><code><a title="tkintertable.Tables_IO.TableImporter.update_display" href="#tkintertable.Tables_IO.TableImporter.update_display">update_display</a></code></li>
</ul>
</li>
</ul>
</li>
</ul>
</nav>
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