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distutils-ui-0.1.3
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A distutils build extension for PyQt{4,5} applications
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | distutils-ui-0.1.3 |
| نام | distutils-ui |
| نسخه کتابخانه | 0.1.3 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Hans-Peter Jansen |
| ایمیل نویسنده | hpj@urpla.net |
| آدرس صفحه اصلی | https://github.com/frispete/distutils_ui |
| آدرس اینترنتی | https://pypi.org/project/distutils-ui/ |
| مجوز | MIT |
distutils_ui
============
A distutils build extension for PyQt{4,5} applications
------------------------------------------------------
Build UI specific elements in tree, controlled by configuration variables in
setup.cfg. Running the tool chain is delegated to a couple of internal build
commands.
Following layout is assumed::
project/
i18n/ # keep all translation specific files here
i18n/project.pro # translation project file (generated, optionally)
ui/ # all designer forms, may contain sub folders
project.qrc # project resource definition (generated)
project_rc.py # project resources (generated)
setup.py # distutils/setuptools module for the project
setup.cfg # setup configuration
...
Translations
------------
Proper translation is subject of fetching the translatable strings from
all forms and source modules, translate them (with ``linguist``), and convert
the textual representation (``.ts``) into binary form (``.qm``), palatable for
``QTranslator`` instances.
There are two ways to accomplish this task: using an intermediate project
file (``.pro``), that can be generated with the built-in command ``gentrpro``,
or feeding globbing args to the tools ``pylupdate`` and ``lrelease`` directly.
Unfortunately, the latter way is hampered by some bugs. Hence, the preferred way
is using the ``.pro`` file.
Because the translation source files (``.ts``) references forms and sources with
relative paths, and the tools ``pylupdate`` and ``lrelease`` operate relative
to the ``.pro`` file location, and *we* *want* to keep all translation specific
files in one place, we run the translation tool chain relative to ``i18n/``.
A new language
~~~~~~~~~~~~~~
* create an appropriately named file in ``i18n/``
e.g. ``touch i18n/project_lang.ts``
* build initial translation source with ``setup.py build_ui``
* set up language parameter with linguist once
e.g. ``linguist i18n/project_lang.ts``
Translation relies on tr() and translate() used properly in the source.
Forms
-----
``ui/`` and sub folders contain all designer forms. You shouldn't mix source
code and forms in one folder, because forms are translated to *Python* source
files, that you want to handle differently (e.g. exclude from translation,
because the translation source is generated from the forms already.
The ``<form>.ui`` file is translated to ``ui_<form>.py``. Usually, it contains
a single form, where the toplevel object is the camel cased name of the
module. E.g.: ``form.ui`` contains a widget ``Form``, that is imported from
toplevel modules with::
from ui.ui_form import Ui_Form
Typically, this form is subclassed with multiple inheritance::
class Form(QWidget, Ui_Form):
def __init__(self, parent = None):
super(Form, self).__init__(parent)
self.setupUi(self)
Resources
---------
Resource collection files (``.qrc``) defines resources, that are included within
a single module. Typically, this includes images, translation files (``.qm``),
and other static data. These resources are accessed with::
app.setWindowIcon(QIcon(":/images/icon.png"))
Note the ":" prefix. The resource file is typically included early in the
main module::
import project_rc # __IGNORE_WARNING__ (this is not referenced any further)
and the included resources are available in all modules.
**distutils_ui** contains a built-in command ``genqrc``, that generates ``.qrc``
files from globbing patterns. ``genqrc`` supports two specific options: ``prefix``
and ``strip``. Prefix allows to place all resources under a custom prefix, while
strip removes the path from objects. Strip requires, that all files are uniquely
named, otherwise some objects are not accessible. The command ``pyrcc``
generates the resource module ``project_rc.py`` from ``project.qrc``.
Commands
--------
The ``gentrpro`` and ``genqrc`` commands are built-in, therefore they don't
define their own command, rather than process input and output files directly.
All other commands call external tools, that must be available and specified
with a ``command`` parameter in ``setup.cfg``.
Command parameter use ``{macro}`` expressions, that references other parameters
in the same section, such as ``{infiles}`` and ``{outfiles}``, as well as
metadata parameter, like ``{name}`` and ``{version}``. These parameters can
be mixed with file globbing patterns.
``infiles`` and ``outfiles`` parameter define input files and targets.
An ``exclude`` parameter removes matching elements from ``infiles``.
The ``chdir`` parameter allow to change the execution path of that command,
also subject to metadata macro expansion.
A special command mode is provided: ``singlefile``. It is used to call the
command *one* by *one* for *every* input file. In this mode, additional macros
are available, that can be used to further control the output file: ``{path}``,
``{filename}``, and ``{fileext}``. Check the template for ``pyuic`` and
``pyrcc`` commands for examples.
If you only want to work with a command subset: just define ``commands`` in
``[build_ui]`` section accordingly.
setup.py::
from distutils.command.build import build
from build_ui import build_ui
[...]
cmdclass = {
'build_ui': build_ui,
}
# Optional: inject ui specific build into standard build process
build.sub_commands.insert(0, ('build_ui', None))
[...]
setup(
name = name,
version = version,
[...]
cmdclass = cmdclass
)
setup.cfg of build_ui template for PyQt5::
[build_ui]
# control the tool chain (default: run all commands)
#commands = gentrpro, pylupdate, lrelease, pyuic, genqrc, pyrcc
[gentrpro]
# pro files are processed relative to their location, cope with it:
# generate pro file with relative paths from i18n, and call
# pylupdate and lrelease from within i18n
chdir = {name}/i18n
infiles = ../ui/*.ui ../*.py *.ts
outfiles = {name}.pro
exclude = ../{name}_rc.py
[pylupdate]
# update translation source files (*.ts) from forms and source files
# -noobsolete will remove all outdated translations
chdir = {name}/i18n
command = pylupdate5 -verbose {infiles}
infiles = {name}.pro
outfiles = {name}_*.ts
[lrelease]
# convert translation source files into binary representation (*.qm)
chdir = {name}/i18n
command = lrelease-qt5 {infiles}
infiles = {name}.pro
outfiles = {name}_*.qm
[pyuic]
# generate python source files from UI definitions (*.ui)
command = pyuic5 -x -o {outfiles} {infiles}
infiles = {name}/ui/*.ui
outfiles = {name}/ui/ui_{filename}.py
singlefile = true
[genqrc]
# generate a resource description file (*.qrc)
chdir = {name}
infiles = images/*.png i18n/*.qm
outfiles = {name}.qrc
# these are specific for genqrc
strip = false
prefix =
[pyrcc]
# generate a resource module from qrc file
command = pyrcc5 -o {outfiles} {infiles}
infiles = {name}/{name}.qrc
outfiles = {name}/{name}_rc.py
singlefile = true
The plain UI build is triggered with::
python3 setup.py build_ui [-f|--force]
A cleanup of the generated files can be done in a similar fashion::
python3 setup.py build_ui [-C|--clean]
Notes:
* avoid spaces in filenames
* '.pro' file approach results in spurious builds
Debug::
python3 setup.py -v build_ui
Author:
(c) 2016 Hans-Peter Jansen <hpj@urpla.net>
License:
MIT, Copyright (c) 2016, Hans-Peter Jansen, see LICENSE.txt
نحوه نصب
نصب پکیج whl distutils-ui-0.1.3:
pip install distutils-ui-0.1.3.whl
نصب پکیج tar.gz distutils-ui-0.1.3:
pip install distutils-ui-0.1.3.tar.gz