本文整理汇总了Python中qgis.core.QgsProcessingFeedback.pushCommandInfo方法的典型用法代码示例。如果您正苦于以下问题：Python QgsProcessingFeedback.pushCommandInfo方法的具体用法？Python QgsProcessingFeedback.pushCommandInfo怎么用？Python QgsProcessingFeedback.pushCommandInfo使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsProcessingFeedback的用法示例。
在下文中一共展示了QgsProcessingFeedback.pushCommandInfo方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: runGdal
# 需要导入模块: from qgis.core import QgsProcessingFeedback [as 别名]
# 或者: from qgis.core.QgsProcessingFeedback import pushCommandInfo [as 别名]
def runGdal(commands, feedback=None):
if feedback is None:
feedback = QgsProcessingFeedback()
envval = os.getenv('PATH')
# We need to give some extra hints to get things picked up on OS X
isDarwin = False
try:
isDarwin = platform.system() == 'Darwin'
except IOError: # https://travis-ci.org/m-kuhn/QGIS#L1493-L1526
pass
if isDarwin and os.path.isfile(os.path.join(QgsApplication.prefixPath(), "bin", "gdalinfo")):
# Looks like there's a bundled gdal. Let's use it.
os.environ['PATH'] = "{}{}{}".format(os.path.join(QgsApplication.prefixPath(), "bin"), os.pathsep, envval)
os.environ['DYLD_LIBRARY_PATH'] = os.path.join(QgsApplication.prefixPath(), "lib")
else:
# Other platforms should use default gdal finder codepath
settings = QgsSettings()
path = settings.value('/GdalTools/gdalPath', '')
if not path.lower() in envval.lower().split(os.pathsep):
envval += '{}{}'.format(os.pathsep, path)
os.putenv('PATH', envval)
fused_command = ' '.join([str(c) for c in commands])
QgsMessageLog.logMessage(fused_command, 'Processing', Qgis.Info)
feedback.pushInfo('GDAL command:')
feedback.pushCommandInfo(fused_command)
feedback.pushInfo('GDAL command output:')
success = False
retry_count = 0
while not success:
loglines = []
loglines.append('GDAL execution console output')
try:
with subprocess.Popen(
fused_command,
shell=True,
stdout=subprocess.PIPE,
stdin=subprocess.DEVNULL,
stderr=subprocess.STDOUT,
universal_newlines=True,
) as proc:
for line in proc.stdout:
feedback.pushConsoleInfo(line)
loglines.append(line)
success = True
except IOError as e:
if retry_count < 5:
retry_count += 1
else:
raise IOError(
str(e) + u'\nTried 5 times without success. Last iteration stopped after reading {} line(s).\nLast line(s):\n{}'.format(
len(loglines), u'\n'.join(loglines[-10:])))
QgsMessageLog.logMessage('\n'.join(loglines), 'Processing', Qgis.Info)
GdalUtils.consoleOutput = loglines示例2: execute
# 需要导入模块: from qgis.core import QgsProcessingFeedback [as 别名]
# 或者: from qgis.core.QgsProcessingFeedback import pushCommandInfo [as 别名]
def execute(commands, feedback=None):
cmds = []
cmds.append(os.path.join(mpichDirectory(), "mpiexec"))
processes = ProcessingConfig.getSetting(TAUDEM_PROCESSES)
if int(processes) <= 0:
processes = 1
cmds.append("-n")
cmds.append(processes)
cmds.extend(commands)
if feedback is None:
feedback = QgsProcessingFeedback()
fused_command = " ".join([str(c) for c in cmds])
QgsMessageLog.logMessage(fused_command, "Processing", QgsMessageLog.INFO)
feedback.pushInfo("TauDEM command:")
feedback.pushCommandInfo(fused_command)
feedback.pushInfo("TauDEM command output:")
loglines = []
with subprocess.Popen(fused_command,
shell=True,
stdout=subprocess.PIPE,
stdin=subprocess.DEVNULL,
stderr=subprocess.STDOUT,
universal_newlines=True) as proc:
try:
for line in iter(proc.stdout.readline, ""):
feedback.pushConsoleInfo(line)
loglines.append(line)
except:
pass
if ProcessingConfig.getSetting(TAUDEM_VERBOSE):
QgsMessageLog.logMessage("\n".join(loglines), "Processing", QgsMessageLog.INFO)