diff options
Diffstat (limited to 'qtinfo.py')
| -rw-r--r-- | qtinfo.py | 145 |
1 files changed, 129 insertions, 16 deletions
@@ -37,25 +37,29 @@ ## ############################################################################# -import os, sys -import subprocess +import os, sys, re, subprocess from distutils.spawn import find_executable class QtInfo(object): def __init__(self, qmake_command=None): + self.initialized = False + if qmake_command: self._qmake_command = qmake_command else: self._qmake_command = [find_executable("qmake"),] - self._dict = {} - # bind all variables early at __init__ time. - for thing in self.__class__.__dict__: - getattr(self, thing) + + # Dict to cache qmake values. + self._query_dict = {} + # Dict to cache mkspecs variables. + self._mkspecs_dict = {} + # Initialize the properties. + self._initProperties() def getQMakeCommand(self): qmake_command_string = self._qmake_command[0] for entry in self._qmake_command[1:]: - qmake_command_string += " %s" %(entry) + qmake_command_string += " {}".format(entry) return qmake_command_string def getVersion(self): @@ -91,21 +95,127 @@ class QtInfo(object): def getQmlPath(self): return self.getProperty("QT_INSTALL_QML") - def _getProperty(self, prop_name): - cmd = self._qmake_command + ["-query", prop_name] + def getMacOSMinDeploymentTarget(self): + """ Return value is a macOS version or None. """ + return self.getProperty("QMAKE_MACOSX_DEPLOYMENT_TARGET") + + def getBuildType(self): + """ Return value is either debug, release, debug_release, or None. """ + return self.getProperty("BUILD_TYPE") + + def getSrcDir(self): + """ Return path to Qt src dir or None.. """ + return self.getProperty("QT_INSTALL_PREFIX/src") + + def getProperty(self, prop_name): + if prop_name not in self._query_dict: + return None + return self._query_dict[prop_name] + + def getProperties(self): + return self._query_dict + + def getMkspecsVariables(self): + return self._mkspecs_dict + + def _getQMakeOutput(self, args_list = []): + cmd = self._qmake_command + args_list proc = subprocess.Popen(cmd, stdout = subprocess.PIPE, shell=False) - prop = proc.communicate()[0] + output = proc.communicate()[0] proc.wait() if proc.returncode != 0: return None if sys.version_info >= (3,): - return str(prop, 'ascii').strip() - return prop.strip() + output = str(output, 'ascii').strip() + else: + output = output.strip() + return output + + def _parseQueryProperties(self, process_output): + props = {} + if not process_output: + return props + lines = [s.strip() for s in process_output.splitlines()] + for line in lines: + if line and ':' in line: + key, value = line.split(':', 1) + props[key] = value + return props + + def _getQueryProperties(self): + output = self._getQMakeOutput(['-query']) + self._query_dict = self._parseQueryProperties(output) + + def _parseQtBuildType(self): + key = 'QT_CONFIG' + if key not in self._mkspecs_dict: + return None - def getProperty(self, prop_name): - if prop_name not in self._dict: - self._dict[prop_name] = self._getProperty(prop_name) - return self._dict[prop_name] + qt_config = self._mkspecs_dict[key] + if 'debug_and_release' in qt_config: + return 'debug_and_release' + + split = qt_config.split(' ') + if 'release' in split and 'debug' in split: + return 'debug_and_release' + + if 'release' in split: + return 'release' + + if 'debug' in split: + return 'debug' + + return None + + def _getOtherProperties(self): + # Get the src property separately, because it is not returned by qmake unless explicitly + # specified. + key = 'QT_INSTALL_PREFIX/src' + result = self._getQMakeOutput(['-query', key]) + self._query_dict[key] = result + + # Get mkspecs variables and cache them. + self._getQMakeMkspecsVariables() + + # Get macOS minimum deployment target. + key = 'QMAKE_MACOSX_DEPLOYMENT_TARGET' + if key in self._mkspecs_dict: + self._query_dict[key] = self._mkspecs_dict[key] + + # Figure out how Qt was built: debug mode, release mode, or both. + build_type = self._parseQtBuildType() + if build_type: + self._query_dict['BUILD_TYPE'] = build_type + + def _initProperties(self): + self._getQueryProperties() + self._getOtherProperties() + + def _getQMakeMkspecsVariables(self): + # Create empty temporary qmake project file. + temp_file_name = 'qmake_fake_empty_project.txt' + open(temp_file_name, 'a').close() + + # Query qmake for all of its mkspecs variables. + qmakeOutput = self._getQMakeOutput(['-E', temp_file_name]) + lines = [s.strip() for s in qmakeOutput.splitlines()] + pattern = re.compile(r"^(.+?)=(.+?)$") + for line in lines: + found = pattern.search(line) + if found: + key = found.group(1).strip() + value = found.group(2).strip() + self._mkspecs_dict[key] = value + + # We need to clean up after qmake, which always creates a .qmake.stash file after a -E + # invocation. + qmake_stash_file = os.path.join(os.getcwd(), ".qmake.stash") + if os.path.exists(qmake_stash_file): + os.remove(qmake_stash_file) + + # Also clean up the temporary empty project file. + if os.path.exists(temp_file_name): + os.remove(temp_file_name) version = property(getVersion) bins_dir = property(getBinsPath) @@ -119,3 +229,6 @@ class QtInfo(object): headers_dir = property(getHeadersPath) docs_dir = property(getDocsPath) qml_dir = property(getQmlPath) + macos_min_deployment_target = property(getMacOSMinDeploymentTarget) + build_type = property(getBuildType) + src_dir = property(getSrcDir) |