All Questions
215
questions
127
votes
4
answers
195k
views
Jinja2 inline comments
How can I put comments inside Jinja2 argument list declaration ?
Everything I have tried gives an error:
jinja2.exceptions.TemplateSyntaxError: unexpected char u'#'
{{ Switch('var',
[('1', 'foo')...
- 1,729
71
votes
2
answers
19k
views
*args, **kwargs in jinja2 macros
How are extra args & kwargs handled for a Jinja2 macro? The documentation isn't exactly clear offhand.
For example, this is clearly wrong:
{% macro example_1(one, two, **kwargs) %}
do macro ...
- 4,814
37
votes
8
answers
9k
views
What can you do with Lisp macros that you can't do with first-class functions?
I think I understand Lisp macros and their role in the compilation phase.
But in Python, you can pass a function into another function
def f(filename, g):
try:
...
- 19.1k
29
votes
5
answers
30k
views
How to run python macros in LibreOffice?
When I go to Tools -> Macros -> Organize Macros -> Python I get this dialog:
It is not possible to create new Python macros.
Apparently LibreOffice has no Python editor so I have to write the macros ...
- 13.1k
21
votes
16
answers
16k
views
Python Macros: Use Cases?
If Python had a macro facility similar to Lisp/Scheme (something like MetaPython), how would you use it?
If you are a Lisp/Scheme programmer, what sorts of things do you use macros for (other than ...
- 11.8k
20
votes
6
answers
18k
views
Macros in django templates
In jinja I can create macros and call it in my template like this:
{% macro create_list(some_list) %}
<ul>
{% for item in some_list %}
<li>{{ item }}</li>
{% endfor %}
&...
- 7,216
20
votes
9
answers
5k
views
Pythonic macro syntax
I've been working on an alternative compiler front-end for Python where all syntax is parsed via macros. I'm finally to the point with its development that I can start work on a superset of the ...
- 30.5k
16
votes
3
answers
15k
views
Save a function definition in ipython
When using ipython I often want to save specific functions I have defined during my session, e.g.:
In [1]: def func1():
...: pass
...:
In [2]: %save func1.py func1
func1 is neither a string ...
- 10.7k
16
votes
6
answers
4k
views
Creating LaTeX math macros within Sphinx
I'm writing some mathematical code in Python and using Sphinx to produce the documentation. I know that Sphinx can handle LaTeX code in Python docstrings; see https://www.sphinx-doc.org/en/master/...
- 778
14
votes
2
answers
30k
views
what language do I need to write macros in LIbre Office Calc? [closed]
I've written a bunch of VBA code for various things in Excel. I'm looking at migrating to libreOffice. Under Tool->Macros->Organize Macros: the two choices are LibreOffice Basic and Python.
Should ...
- 9,057
14
votes
4
answers
26k
views
C Preprocessor Macro equivalent for Python
I use to define macros (not just constants) in C like
#define loop(i,a,b) for(i=a; i<b; ++i)
#define long_f(a,b,c) (a*0.123 + a*b*5.6 - 0.235*c + 7.23*c - 5*a*a + 1.5)
Is there a way of doing ...
- 1,377
11
votes
2
answers
3k
views
How to write an ipython alias which executes in python instead of shell?
We can define an alias in ipython with the %alias magic function, like this:
>>> d
NameError: name 'd' is not defined
>>> %alias d date
>>> d
Fri May 15 00:12:20 AEST 2015
...
- 349k
8
votes
1
answer
723
views
How is the at sign (@) used in the c source code for numpy?
I've been perusing some of the source code for numpy and I noticed that a lot of the c source code uses the construction @variablename@. For example, in the file "npy_math_complex.c.src" (located ...
8
votes
1
answer
4k
views
OpenOffice Python macros: Where can I find useful documentation?
I'm trying to make a macro for OpenOffice Calc that will toggle the background color of cells containing a user-specified value. Since I don't know OpenOffice Basic and have no desire to learn it, I'd ...
- 943
7
votes
2
answers
3k
views
PyCharm: Run `black -S` on region
We are not ready to automatically format the whole source code with black.
But from time to time I would like to execute black -S on a region via PyCharm.
There is a hint in the docs how to run black (...
- 27.2k
7
votes
1
answer
896
views
try..catch macro wrapper equivalent in cython
I'm wrapping a large number of C++ functions that can raise an exception if the underlying socket connection is lost. While I have figured out how to wrap my "get connection" function to re-establish ...
- 91.6k
6
votes
2
answers
9k
views
Jinja2: saying 'Render this macro inside another macro or template'
I have a number of macros I'd like to render within a common container macro or template. With pseudo-code:
Macro1
Macro2
Macro3
Container
In a template:
"render macro1 inside of Container" e.g. ...
- 4,814
6
votes
1
answer
8k
views
How to run a MS Access macro from python
I'm trying to run an existing Microsoft Access Macro from a python script.
What I currently have is
import win32api,time
from win32com.client import Dispatch
strDbName = 'Exit.mdb'
objAccess = ...
- 125
6
votes
2
answers
4k
views
entering context managers in __enter__
with context managers defined as functions, it's easy to programmatically enter a separate (or recursive) context manager from within one, like so:
@contextmanager
def enter(times):
if times:
...
- 2,536
5
votes
2
answers
917
views
C++ macro in scope of if statement not compiling
I have some code which is supposed to be a thread-safe python/c++ api. I am using the macros Py_BEGIN_ALLOW_THREADS and Py_END_ALLOW_THREADS, which expand to create save thread state and create a lock....
- 641
5
votes
1
answer
2k
views
Generating Python code with Hy macros
I am trying to generate some python code from Hy. How is that done better?
I have tried several approaches. One is with a macro:
(defmacro make-vars [data]
(setv res '())
(for [element data]
...
- 3,538
5
votes
2
answers
3k
views
How to render a Jinja2 macro from a view callable?
I have some macros defined that are called from several templates.
For example, the Product page has a Review section that uses the macros defined in 'helpers/review.jinja2' to print each review. The ...
- 615
4
votes
7
answers
8k
views
Is there a way to convert code to a string and vice versa in Python?
The original question was:
Is there a way to declare macros in Python as they are declared in C:
#define OBJWITHSIZE(_x) (sizeof _x)/(sizeof _x[0])
Here's what I'm trying to find out:
Is there a ...
user78706
4
votes
3
answers
8k
views
How do I use side mouse buttons with Pynput?
I am using the Python module Pynput to make a macro that will press one of my side buttons. Does anyone know what the side buttons are called in Pynput?
For example:
from pynput.mouse import Button, ...
- 41
4
votes
1
answer
3k
views
Python Jinja2 call to macro results in (undesirable) newline
My JINJA2 template is like below.
{% macro print_if_john(name) -%}
{% if name == 'John' -%}
Hi John
{%- endif %}
{%- endmacro %}
Hello World!
{{print_if_john('Foo')}}
{{print_if_john('Foo2')}}
{{...
4
votes
2
answers
2k
views
How to configure PyCharm to develop LibreOffice Python macros?
I've installed Python 3.5.1 as default in Win7(x64) for all my projects in Python.
I use PyCharm 5.0.5 community edition for develop Python scripts and its default settings has "Default Project ...
- 2,433
4
votes
2
answers
890
views
Pythonic way to intercept calls to a function?
For testing things that query the environment (e.g., os.getenv, sys.version, etc.), it's often more convenient to make the queries lie than to actually fake up the environment. Here's a context ...
- 3,287
4
votes
1
answer
1k
views
SWIG with preprocessor macro from boost preprocessor
I'm utilizing the enum with ToString implementation that was suggested here:
How to convert an enum type variable to a string?
It utilizes and works fine as far as I can tell.
My issues arise when ...
- 10.1k
4
votes
3
answers
108
views
Rearrange order of for-loops with setting
I'm working with arrays having the following kind of structure/entries (for a masters project in quantum info games);
The 1st column entries {0,1}, 2nd col {0,1}, 3rd col {0,2**(d-1)} , last col {0,d-...
- 306
4
votes
0
answers
2k
views
Flask/Jinja2: Macro calling macro with context
I have a template that contains some macros:
{% macro input(id, editable=current_user.is_active) %}
... some content ...
{% endmacro %}
{% macro the_form() %}
{{input('id1')}}
{{input('id2', ...
- 7,510
3
votes
6
answers
2k
views
Partial evaluation for parsing
I'm working on a macro system for Python (as discussed here) and one of the things I've been considering are units of measure. Although units of measure could be implemented without macros or via ...
- 30.5k
3
votes
2
answers
4k
views
AIRFLOW: use .replace() or relativedelta() in jinja template for {{ds}}
My goal is to return 1st day of previous month based on airflow macro variable {{ds}} and use it e.g. in HiveOperator.
E.g. For ds = 2020-05-09 I expect to return: 2020-04-01
The solution I found and ...
- 1,022
3
votes
2
answers
10k
views
Copy .csv files into a .xlsx workbook using python
I have done extensive researches, however have not been able to come up with the right solution for my needs.
I have python script which generates multiple .csv files.
Each .csv file only has data ...
- 33
3
votes
1
answer
3k
views
Python one button macro for games
Here is my Python 2.7.13 script that is basically a so called "one key macro" for a video game. Based on information captured from a part of the game screen it presses the right key combinations ...
- 39
3
votes
2
answers
2k
views
LibreOffice - How to create a file dialog via python macro?
I'd like to know if it's possible to create a standard file dialog to save a pdf via a python macro. I've tried to write some code based on this outdated documentation: wiki.openoffice.org but ...
- 339
3
votes
3
answers
128
views
Is it possible to create named functions in Python similar to C macro?
Sorry for the confusing title.
I would like to do the following: (Similar to defstruct in Lisp)
def mkstruct(structname, field_dict):
# create a function called "structname" and get/set ...
- 1,253
3
votes
2
answers
633
views
Python macros on Mac using Komodo
I'm using Komodo IDE, version 6.1.1, build 61234, platform macosx-x86. I'm also using Python 3.2 and Python 2.7. I've just moved to using (my first) Mac. OS version 10.6.?
On my Windows machines I ...
- 149
3
votes
1
answer
2k
views
Python Jinja2 macro whitespace issues
This is kind of extension to my other question Python Jinja2 call to macro results in (undesirable) newline.
My python program is
import jinja2
template_env = jinja2.Environment(trim_blocks=True, ...
3
votes
1
answer
342
views
Quickly import custom SPSS commands from Python
I have written a neat Python module that contains some custom SPSS functions for my coworkers to use. However, to use the functionality, they first need to type BEGIN PROGRAM. Import module etc... ...
- 409
3
votes
1
answer
2k
views
How to use m4 with Python and dealing with indendentation and whitespace
Is there a good general strategy for using m4 with Python? Specifically, Python's whitespace requirements make using m4 somewhat awkward. For example, the following program:
def foo():
pushdef(`...
- 6,210
3
votes
0
answers
2k
views
Jinja 2 block inside macro?
I have base template that contains macro like this
{%- macro local_vars(d) -%}
{%- block local_vars %}
{% endblock -%}
{%- endmacro -%}
So I would like to override this block in the child template ...
- 55
3
votes
1
answer
671
views
How can I leave whitespaces in nestedExpr pyparsing
I've a wiki text like that
data = """
{{hello}}
{{hello world}}
{{hello much { }}
{{a {{b}}}}
{{a
td {
}
{{inner}}
}}
"&...
- 31
2
votes
6
answers
723
views
Can you translate this debugging macro from C++ to python?
I use this very helpful macro when developing in C++:
#define DD(a) std::cout << #a " = [ " << a << " ]" << std::endl;std::cout.flush();
Could you help me implement the same ...
- 54.6k
2
votes
5
answers
5k
views
Macros in python
in my project I have to repeat often such part of code:
class SimplePhysicObject(Object):
def __init__(self):
super(Object, self).__init__('SimplePhysicObject')
But instead of ...
- 63.2k
2
votes
2
answers
1k
views
How to return focus to editor in VS Code macro sending Python text to Debug Console?
I have tried to key-bind a macro to send python text to the Debug Console and return focus to the editor in Visual Studio Code. This is what I have tried:
Installed the vscode-python extension
...
- 5,160
2
votes
1
answer
3k
views
In Python, how can I include (not import) one file within another file, macro style, without changing namespace?
First I do know about 'import'. When I try 'import' it doesn't work. What I'm trying to do is split a single module into two parts, one of which is editable by a group and the other of which is not. ...
- 923
2
votes
3
answers
3k
views
Controlling a browser from Python
I am looking for a way to control a browser from Python, i.e. fill out form fields and submit them, possibly call JS functions. I've looked around a bit, but as far as I could see PyWebKitGtk only ...
- 5,804
2
votes
2
answers
219
views
Python Equivalent Of SCAR
I currently use a small program named 'SCAR' to build up small macro's when I have repetive tasks and I'm feeling lazy. 'SCAR' is designed to find colors on a screen in order to perform tasks. The ...
- 4,722
2
votes
1
answer
2k
views
Passing variable in airflow macros
Please help me with
{{ execution_date.subtract(hours = 5) }}
Here instead of hardcoding 5, I want to pass it as a variable.
I am not able to find a way to pass a variable and finally use the value of ...
- 169
2
votes
2
answers
1k
views
Strip prefix from all variable names in SPSS
I have a similar question as asked here (Strip suffix from all variable names in SPSS) and the answers there already helped a lot but there is still one question remaining.
I have a dataset in which ...
- 23