From db4fa08d4da3cc840e6f97e6869a877f2b4c9474 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 22 Sep 2018 10:24:26 +0200 Subject: Squashed 'waflib/' content from commit 6e726eb git-subtree-dir: waflib git-subtree-split: 6e726eb11d3e21be410549d27dd1aa94678f3d09 --- extras/pyqt5.py | 241 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 241 insertions(+) create mode 100644 extras/pyqt5.py (limited to 'extras/pyqt5.py') diff --git a/extras/pyqt5.py b/extras/pyqt5.py new file mode 100644 index 0000000..c21dfa7 --- /dev/null +++ b/extras/pyqt5.py @@ -0,0 +1,241 @@ +#!/usr/bin/env python +# encoding: utf-8 +# Federico Pellegrin, 2016-2018 (fedepell) adapted for Python + +""" +This tool helps with finding Python Qt5 tools and libraries, +and provides translation from QT5 files to Python code. + +The following snippet illustrates the tool usage:: + + def options(opt): + opt.load('py pyqt5') + + def configure(conf): + conf.load('py pyqt5') + + def build(bld): + bld( + features = 'py pyqt5', + source = 'main.py textures.qrc aboutDialog.ui', + ) + +Here, the UI description and resource files will be processed +to generate code. + +Usage +===== + +Load the "pyqt5" tool. + +Add into the sources list also the qrc resources files or ui5 +definition files and they will be translated into python code +with the system tools (PyQt5, pyside2, PyQt4 are searched in this +order) and then compiled +""" + +try: + from xml.sax import make_parser + from xml.sax.handler import ContentHandler +except ImportError: + has_xml = False + ContentHandler = object +else: + has_xml = True + +import os +from waflib.Tools import python +from waflib import Task, Options +from waflib.TaskGen import feature, extension +from waflib.Configure import conf +from waflib import Logs + +EXT_RCC = ['.qrc'] +""" +File extension for the resource (.qrc) files +""" + +EXT_UI = ['.ui'] +""" +File extension for the user interface (.ui) files +""" + + +class XMLHandler(ContentHandler): + """ + Parses ``.qrc`` files + """ + def __init__(self): + self.buf = [] + self.files = [] + def startElement(self, name, attrs): + if name == 'file': + self.buf = [] + def endElement(self, name): + if name == 'file': + self.files.append(str(''.join(self.buf))) + def characters(self, cars): + self.buf.append(cars) + +@extension(*EXT_RCC) +def create_pyrcc_task(self, node): + "Creates rcc and py task for ``.qrc`` files" + rcnode = node.change_ext('.py') + self.create_task('pyrcc', node, rcnode) + if getattr(self, 'install_from', None): + self.install_from = self.install_from.get_bld() + else: + self.install_from = self.path.get_bld() + self.install_path = getattr(self, 'install_path', '${PYTHONDIR}') + self.process_py(rcnode) + +@extension(*EXT_UI) +def create_pyuic_task(self, node): + "Create uic tasks and py for user interface ``.ui`` definition files" + uinode = node.change_ext('.py') + self.create_task('ui5py', node, uinode) + if getattr(self, 'install_from', None): + self.install_from = self.install_from.get_bld() + else: + self.install_from = self.path.get_bld() + self.install_path = getattr(self, 'install_path', '${PYTHONDIR}') + self.process_py(uinode) + +@extension('.ts') +def add_pylang(self, node): + """Adds all the .ts file into ``self.lang``""" + self.lang = self.to_list(getattr(self, 'lang', [])) + [node] + +@feature('pyqt5') +def apply_pyqt5(self): + """ + The additional parameters are: + + :param lang: list of translation files (\*.ts) to process + :type lang: list of :py:class:`waflib.Node.Node` or string without the .ts extension + :param langname: if given, transform the \*.ts files into a .qrc files to include in the binary file + :type langname: :py:class:`waflib.Node.Node` or string without the .qrc extension + """ + if getattr(self, 'lang', None): + qmtasks = [] + for x in self.to_list(self.lang): + if isinstance(x, str): + x = self.path.find_resource(x + '.ts') + qmtasks.append(self.create_task('ts2qm', x, x.change_ext('.qm'))) + + + if getattr(self, 'langname', None): + qmnodes = [k.outputs[0] for k in qmtasks] + rcnode = self.langname + if isinstance(rcnode, str): + rcnode = self.path.find_or_declare(rcnode + '.qrc') + t = self.create_task('qm2rcc', qmnodes, rcnode) + create_pyrcc_task(self, t.outputs[0]) + +class pyrcc(Task.Task): + """ + Processes ``.qrc`` files + """ + color = 'BLUE' + run_str = '${QT_PYRCC} ${SRC} -o ${TGT}' + ext_out = ['.py'] + + def rcname(self): + return os.path.splitext(self.inputs[0].name)[0] + + def scan(self): + """Parse the *.qrc* files""" + if not has_xml: + Logs.error('No xml.sax support was found, rcc dependencies will be incomplete!') + return ([], []) + + parser = make_parser() + curHandler = XMLHandler() + parser.setContentHandler(curHandler) + fi = open(self.inputs[0].abspath(), 'r') + try: + parser.parse(fi) + finally: + fi.close() + + nodes = [] + names = [] + root = self.inputs[0].parent + for x in curHandler.files: + nd = root.find_resource(x) + if nd: + nodes.append(nd) + else: + names.append(x) + return (nodes, names) + + +class ui5py(Task.Task): + """ + Processes ``.ui`` files for python + """ + color = 'BLUE' + run_str = '${QT_PYUIC} ${SRC} -o ${TGT}' + ext_out = ['.py'] + +class ts2qm(Task.Task): + """ + Generates ``.qm`` files from ``.ts`` files + """ + color = 'BLUE' + run_str = '${QT_LRELEASE} ${QT_LRELEASE_FLAGS} ${SRC} -qm ${TGT}' + +class qm2rcc(Task.Task): + """ + Generates ``.qrc`` files from ``.qm`` files + """ + color = 'BLUE' + after = 'ts2qm' + def run(self): + """Create a qrc file including the inputs""" + txt = '\n'.join(['%s' % k.path_from(self.outputs[0].parent) for k in self.inputs]) + code = '\n\n%s\n\n' % txt + self.outputs[0].write(code) + +def configure(self): + self.find_pyqt5_binaries() + + # warn about this during the configuration too + if not has_xml: + Logs.error('No xml.sax support was found, rcc dependencies will be incomplete!') + +@conf +def find_pyqt5_binaries(self): + """ + Detects PyQt5 or pyside2 programs such as pyuic5/pyside2-uic, pyrcc5/pyside2-rcc + """ + env = self.env + + if getattr(Options.options, 'want_pyside2', True): + self.find_program(['pyside2-uic'], var='QT_PYUIC') + self.find_program(['pyside2-rcc'], var='QT_PYRCC') + self.find_program(['pyside2-lupdate'], var='QT_PYLUPDATE') + elif getattr(Options.options, 'want_pyqt4', True): + self.find_program(['pyuic4'], var='QT_PYUIC') + self.find_program(['pyrcc4'], var='QT_PYRCC') + self.find_program(['pylupdate4'], var='QT_PYLUPDATE') + else: + self.find_program(['pyuic5','pyside2-uic','pyuic4'], var='QT_PYUIC') + self.find_program(['pyrcc5','pyside2-rcc','pyrcc4'], var='QT_PYRCC') + self.find_program(['pylupdate5', 'pyside2-lupdate','pylupdate4'], var='QT_PYLUPDATE') + + if not env.QT_PYUIC: + self.fatal('cannot find the uic compiler for python for qt5') + + if not env.QT_PYUIC: + self.fatal('cannot find the rcc compiler for python for qt5') + + self.find_program(['lrelease-qt5', 'lrelease'], var='QT_LRELEASE') + +def options(opt): + """ + Command-line options + """ + pyqt5opt=opt.add_option_group("Python QT5 Options") + pyqt5opt.add_option('--pyqt5-pyside2', action='store_true', default=False, dest='want_pyside2', help='use pyside2 bindings as python QT5 bindings (default PyQt5 is searched first, PySide2 after)') + pyqt5opt.add_option('--pyqt5-pyqt4', action='store_true', default=False, dest='want_pyqt4', help='use PyQt4 bindings as python QT5 bindings (default PyQt5 is searched first, PySide2 after, PyQt4 last)') -- cgit v1.2.1