In [1]:

    

from IPython import nbformat


    

In [2]:

    

test = nbformat.read("/home/carl/Documents/Code/Projects/PyscesToolbox/documentation/notebooks/SymCA.ipynb",nbformat.NO_CONVERT)


    

In [6]:

    

type(test.cells[0])


    

    
Out[6]:





IPython.nbformat.notebooknode.NotebookNode

In [7]:

    

new_base = {k:v for k,v in test.iteritems() if k != 'cells'}


    

In [8]:

    

new_base['cells'] = []


    

In [9]:

    

for cell in test.cells:
    if remove_cell_with(cell['source'],'# To avoid duplication'):
        new_lines = []
        for line in iterlines(cell['source']):
            new_line = remove_ex_comment(line)
            new_line = remove_ex(new_line)
            new_line = remove_line_with(new_line, '#remove_next')
            new_lines.append(new_line)
        new_source = combine_lines(new_lines)
        new_cell = {k:v for k,v in cell.iteritems() if k != u'source'}
        new_cell[u'source'] = new_source
        new_cell = nbformat.NotebookNode(new_cell)
        new_base['cells'].append(new_cell)


    

In [10]:

    

type(new_base['cells'][0])


    

    
Out[10]:





IPython.nbformat.notebooknode.NotebookNode

In [11]:

    

new = nbformat.NotebookNode(new_base)


    

In [12]:

    

nbformat.write(new,'/home/carl/Documents/Code/Projects/PyscesToolbox/documentation/notebooks/SymCA_test.ipynb')


    

In [3]:

    

def remove_ex_comment(line):
    if line.startswith('#') and '#ex' in line:
        return ''
    else:
        return line

def remove_line_with(line, pattern):
    if pattern in line:
        return ''
    else:
        return line
    
def remove_ex(line):
    return line.replace('#ex','')

def remove_cell_with(cell, pattern):
    if pattern in cell:
        return None
    else:
        return cell


    

In [4]:

    

# new_lines = []
# for line in iterlines(test.cells[0]['source']):
#     new_line = remove_ex_comment(line)
#     new_line = remove_ex(new_line)
#     new_lines.append(new_line)


    

In [5]:

    

def iterlines(text):
    lines = []
    current_line = ''
    for char in text:
        current_line = current_line + char
        if char == '\n':
            lines.append(current_line)
            current_line = ''
    lines.append(current_line)
    return lines

def combine_lines(lines):
    new = ''
    for each in lines:
        new = new + each
    return new


    

In [17]:

    

x = 'asd\nasdwqeqwe\nasdwewrwqr\nwiioasdoisad'


    

In [4]:

    

print x.split('\n')


    

    




['asd', 'asdwqeqwe', 'asdwewrwqr', 'wiioasdoisad']

In [8]:

    

x[-1]


    

    
Out[8]:





'\n'

In [10]:

    

x


    

    
Out[10]:





'asd\nasdwqeqwe\nasdwewrwqr\nwiioasdoisad\n'

In [12]:

    

[line + '\n' for line in x.split('\n')]


    

    
Out[12]:





['asd\n', 'asdwqeqwe\n', 'asdwewrwqr\n', 'wiioasdoisad\n', '\n']

In [19]:

    

def iterlines(text):
    """
    """
    lines = text.split('\n')
    if text[-1] == '\n':
        lines = [line + '\n' for line in lines[:-1]]
        return lines
    else:
        lines = [line + '\n' for line in lines[:-1]] + [lines[-1]]
        return lines


    

In [20]:

    

iterlines(x)


    

    
Out[20]:





['asd\n', 'asdwqeqwe\n', 'asdwewrwqr\n', 'wiioasdoisad']

In [21]:

    

from sys import path


    

In [23]:

    

from os import path


    

In [30]:

    

path.splitext('/home/carl/Documents/Code/Projects/PyscesToolbox/documentation/notebooks/SymCA_test.ipynb')


    

    
Out[30]:





('/home/carl/Documents/Code/Projects/PyscesToolbox/documentation/notebooks/SymCA_test',
 '.ipynb')

In [32]:

    




    

    




---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-32-8d1a89f30f93> in <module>()
----> 1 str.join(['1','2','3'])

TypeError: descriptor 'join' requires a 'str' object but received a 'list'

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