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Processing in osgeo4w: ImportError: No module named expat; use SimpleXMLTreeBuilder instead #24791

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qgib opened this issue Jul 19, 2017 · 8 comments
Closed

Processing in osgeo4w: ImportError: No module named expat; use SimpleXMLTreeBuilder instead #24791

qgib opened this issue Jul 19, 2017 · 8 comments
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Bug Either a bug report, or a bug fix. Let's hope for the latter! Build/Install Related to compiling or installing QGIS

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@qgib
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qgib commented Jul 19, 2017

Author Name: Harrissou Santanna (@DelazJ)
Original Redmine Issue: 16892
Affected QGIS version: master
Redmine category:windows_package

For days now, Launching QGIS nightly from osgeo4w 64bit result in a "Processing couldn't load" error with
ImportError: No module named expat; use SimpleXMLTreeBuilder instead message
During installation process I checked the libraries and there's an expat package at version 2.1.0-1 enabled.
Any Ideas?

Below the stacktrace:

ImportError: No module named expat; use SimpleXMLTreeBuilder instead 
Traceback (most recent call last):
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1448, in __init__
from xml.parsers import expat
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:\OSGEO4~1\apps\Python36\lib\xml\parsers\expat.py", line 4, in 
from pyexpat import *
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: DLL load failed: Le module spécifié est introuvable.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1451, in __init__
import pyexpat as expat
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: DLL load failed: Le module spécifié est introuvable.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 312, in loadPlugin
__import__(packageName)
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\__init__.py", line 29, in 
from processing.tools.general import *              # NOQA
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\tools\general.py", line 46, in 
from processing.core.Processing import Processing
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\core\Processing.py", line 53, in 
from processing.gui.MessageBarProgress import MessageBarProgress
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\gui\MessageBarProgress.py", line 32, in 
from processing.gui.MessageDialog import MessageDialog
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\gui\MessageDialog.py", line 38, in 
os.path.join(pluginPath, 'ui', 'DlgMessage.ui'))
File "C:\OSGEO4~1\apps\Python36\lib\site-packages\PyQt5\uic\__init__.py", line 198, in loadUiType
winfo = compiler.UICompiler().compileUi(uifile, code_string, from_imports, resource_suffix, import_from)
File "C:\OSGEO4~1\apps\Python36\lib\site-packages\PyQt5\uic\Compiler\compiler.py", line 110, in compileUi
w = self.parse(input_stream, resource_suffix)
File "C:\OSGEO4~1\apps\Python36\lib\site-packages\PyQt5\uic\uiparser.py", line 1002, in parse
document = parse(filename)
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1196, in parse
tree.parse(source, parser)
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 591, in parse
parser = XMLParser()
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1454, in __init__
"No module named expat; use SimpleXMLTreeBuilder instead"
ImportError: No module named expat; use SimpleXMLTreeBuilder instead


Python version: 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit (AMD64)] 
QGIS version: 2.99.0-Master Master, d70f53c 

Python Path:
C:/OSGEO4~1/apps/qgis-dev/./python
C:/Users/DelazJ/.qgis3/python
C:/Users/DelazJ/.qgis3/python/plugins
C:/OSGEO4~1/apps/qgis-dev/./python/plugins
C:\OSGeo4W64\apps\Python27\DLLs
C:\OSGeo4W64\bin\python36.zip
C:\OSGEO4~1\apps\Python36\DLLs
C:\OSGEO4~1\apps\Python36\lib
C:\OSGeo4W64\bin
C:\OSGEO4~1\apps\Python36
C:\OSGEO4~1\apps\Python36\lib\site-packages
C:/Users/DelazJ/.qgis3//python
@qgib
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qgib commented Sep 8, 2017

Author Name: Jürgen Fischer (@jef-n)

  • assigned_to_id removed Jürgen Fischer

@qgib
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qgib commented Sep 8, 2017

Author Name: Jürgen Fischer (@jef-n)

  • description was changed from For days now, Launching QGIS nightly from osgeo4w 64bit result in a "Processing couldn't load" error with
    ImportError: No module named expat; use SimpleXMLTreeBuilder instead message
    During installation process I checked the libraries and there's an expat package at version 2.1.0-1 enabled.
    Any Ideas?

Below the stacktrace:

ImportError: No module named expat; use SimpleXMLTreeBuilder instead
Traceback (most recent call last):
File "C:\OSGEO41\apps\Python36\lib\xml\etree\ElementTree.py", line 1448, in init
from xml.parsers import expat
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:\OSGEO41\apps\Python36\lib\xml\parsers\expat.py", line 4, in
from pyexpat import *
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: DLL load failed: Le module spécifié est introuvable.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\OSGEO41\apps\Python36\lib\xml\etree\ElementTree.py", line 1451, in init
import pyexpat as expat
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: DLL load failed: Le module spécifié est introuvable.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 312, in loadPlugin
import(packageName)
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 647, in import
mod = builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing_init.py", line 29, in
from processing.tools.general import * # NOQA
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO41/apps/qgis-dev/./python/plugins\processing\tools\general.py", line 46, in
from processing.core.Processing import Processing
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO41/apps/qgis-dev/./python/plugins\processing\core\Processing.py", line 53, in
from processing.gui.MessageBarProgress import MessageBarProgress
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO41/apps/qgis-dev/./python/plugins\processing\gui\MessageBarProgress.py", line 32, in
from processing.gui.MessageDialog import MessageDialog
File "C:/OSGEO41/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO41/apps/qgis-dev/./python/plugins\processing\gui\MessageDialog.py", line 38, in
os.path.join(pluginPath, 'ui', 'DlgMessage.ui'))
File "C:\OSGEO4~1\apps\Python36\lib\site-packages\PyQt5\uic_init.py", line 198, in loadUiType
winfo = compiler.UICompiler().compileUi(uifile, code_string, from_imports, resource_suffix, import_from)
File "C:\OSGEO41\apps\Python36\lib\site-packages\PyQt5\uic\Compiler\compiler.py", line 110, in compileUi
w = self.parse(input_stream, resource_suffix)
File "C:\OSGEO41\apps\Python36\lib\site-packages\PyQt5\uic\uiparser.py", line 1002, in parse
document = parse(filename)
File "C:\OSGEO41\apps\Python36\lib\xml\etree\ElementTree.py", line 1196, in parse
tree.parse(source, parser)
File "C:\OSGEO41\apps\Python36\lib\xml\etree\ElementTree.py", line 591, in parse
parser = XMLParser()
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1454, in init
"No module named expat; use SimpleXMLTreeBuilder instead"
ImportError: No module named expat; use SimpleXMLTreeBuilder instead

Python version: 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit (AMD64)]
QGIS version: 2.99.0-Master Master, d70f53c

Python Path:
C:/OSGEO41/apps/qgis-dev/./python
C:/Users/DelazJ/.qgis3/python
C:/Users/DelazJ/.qgis3/python/plugins
C:/OSGEO41/apps/qgis-dev/./python/plugins
C:\OSGeo4W64\apps\Python27\DLLs
C:\OSGeo4W64\bin\python36.zip
C:\OSGEO41\apps\Python36\DLLs
C:\OSGEO41\apps\Python36\lib
C:\OSGeo4W64\bin
C:\OSGEO41\apps\Python36
C:\OSGEO41\apps\Python36\lib\site-packages
C:/Users/DelazJ/.qgis3//python to For days now, Launching QGIS nightly from osgeo4w 64bit result in a "Processing couldn't load" error with
ImportError: No module named expat; use SimpleXMLTreeBuilder instead message
During installation process I checked the libraries and there's an expat package at version 2.1.0-1 enabled.
Any Ideas?

Below the stacktrace:

ImportError: No module named expat; use SimpleXMLTreeBuilder instead 
Traceback (most recent call last):
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1448, in __init__
from xml.parsers import expat
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:\OSGEO4~1\apps\Python36\lib\xml\parsers\expat.py", line 4, in 
from pyexpat import *
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: DLL load failed: Le module spécifié est introuvable.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1451, in __init__
import pyexpat as expat
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: DLL load failed: Le module spécifié est introuvable.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 312, in loadPlugin
__import__(packageName)
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\__init__.py", line 29, in 
from processing.tools.general import *              # NOQA
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\tools\general.py", line 46, in 
from processing.core.Processing import Processing
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\core\Processing.py", line 53, in 
from processing.gui.MessageBarProgress import MessageBarProgress
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\gui\MessageBarProgress.py", line 32, in 
from processing.gui.MessageDialog import MessageDialog
File "C:/OSGEO4~1/apps/qgis-dev/./python\qgis\utils.py", line 647, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
File "C:/OSGEO4~1/apps/qgis-dev/./python/plugins\processing\gui\MessageDialog.py", line 38, in 
os.path.join(pluginPath, 'ui', 'DlgMessage.ui'))
File "C:\OSGEO4~1\apps\Python36\lib\site-packages\PyQt5\uic\__init__.py", line 198, in loadUiType
winfo = compiler.UICompiler().compileUi(uifile, code_string, from_imports, resource_suffix, import_from)
File "C:\OSGEO4~1\apps\Python36\lib\site-packages\PyQt5\uic\Compiler\compiler.py", line 110, in compileUi
w = self.parse(input_stream, resource_suffix)
File "C:\OSGEO4~1\apps\Python36\lib\site-packages\PyQt5\uic\uiparser.py", line 1002, in parse
document = parse(filename)
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1196, in parse
tree.parse(source, parser)
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 591, in parse
parser = XMLParser()
File "C:\OSGEO4~1\apps\Python36\lib\xml\etree\ElementTree.py", line 1454, in __init__
"No module named expat; use SimpleXMLTreeBuilder instead"
ImportError: No module named expat; use SimpleXMLTreeBuilder instead


Python version: 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit (AMD64)] 
QGIS version: 2.99.0-Master Master, d70f53c 

Python Path:
C:/OSGEO4~1/apps/qgis-dev/./python
C:/Users/DelazJ/.qgis3/python
C:/Users/DelazJ/.qgis3/python/plugins
C:/OSGEO4~1/apps/qgis-dev/./python/plugins
C:\OSGeo4W64\apps\Python27\DLLs
C:\OSGeo4W64\bin\python36.zip
C:\OSGEO4~1\apps\Python36\DLLs
C:\OSGEO4~1\apps\Python36\lib
C:\OSGeo4W64\bin
C:\OSGEO4~1\apps\Python36
C:\OSGEO4~1\apps\Python36\lib\site-packages
C:/Users/DelazJ/.qgis3//python

@qgib
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qgib commented Oct 31, 2017

Author Name: Harrissou Santanna (@DelazJ)

Anyone has an idea here? This issue prevents me to have a working Processing in my windows computer. Note that I can see that expat library is checked in osgeo4w. Thanks.

@qgib
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qgib commented Nov 2, 2017

Author Name: Giovanni Manghi (@gioman)

Just installed qgis-dev on osgeo4w and can't see this issue.

  • status_id was changed from Open to Feedback

@qgib
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qgib commented Nov 2, 2017

Author Name: Harrissou Santanna (@DelazJ)

Just drop my osgeo4w64 folder and reinstall it. I still get the issue. Note that it begins by a "Couldn't load plugin 'Metasearch' due to an error when calling its classFactory() method" followed by the Processing issue i reported above.

Note that this only occurs on one of my two computers with Windows 10 64bit installed. So i'm not sure how easily reproducible it's.

@qgib
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qgib commented Jan 17, 2018

Author Name: Alexander Bruy (@alexbruy)

Not reproducible here. Also I don't see how it can be related to Processing, as Processing does not need/use expat or SimpleXMLTreeBuilder.

@qgib
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qgib commented Jan 18, 2018

Author Name: Harrissou Santanna (@DelazJ)

I don't know what are the internals of Processing: i just reported what was issued ie Processing couldn't load ... message among others.
Anyway, I don't know how nor when but I'm no longer concerned by this issue; things seem fixed here. So closing!

  • status_id was changed from Feedback to Closed

@qgib qgib closed this as completed Jan 18, 2018
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qgib commented Feb 22, 2018

Author Name: Giovanni Manghi (@gioman)

  • resolution was changed from to not reproducable

@qgib qgib added Bug Either a bug report, or a bug fix. Let's hope for the latter! Build/Install Related to compiling or installing QGIS labels May 25, 2019
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