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[user expression] Fix crash and add a log message when the expression…
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python/user.py
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@@ -1,8 +1,10 @@ |
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import os |
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import sys |
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import glob |
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import traceback |
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from qgis.core import QgsApplication |
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from PyQt4.QtCore import QCoreApplication |
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from qgis.core import QgsApplication, QgsMessageLog |
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def load_user_expressions(path): |
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""" |
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@@ -14,9 +16,16 @@ def load_user_expressions(path): |
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for name in names: |
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if name == "__init__": |
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continue |
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# As user expression functions should be registed with qgsfunction |
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# As user expression functions should be registered with qgsfunction |
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# just importing the file is enough to get it to load the functions into QGIS |
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__import__("expressions.{0}".format(name), locals(), globals()) |
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try: |
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__import__("expressions.{0}".format(name), locals(), globals()) |
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except: |
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error = traceback.format_exc() |
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msgtitle = QCoreApplication.translate("UserExpressions", "User expressions") |
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msg = QCoreApplication.translate("UserExpressions", |
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"The user expression {0} is not valid".format(name)) |
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QgsMessageLog.logMessage(msg +"\n"+ error, msgtitle, QgsMessageLog.WARNING) |
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userpythonhome = os.path.join(QgsApplication.qgisSettingsDirPath(), "python") |
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