I want to make an application for Sailfish OS using QML and Python. I want to have models in python and save data to sqlite using SQLAlchemy. Problem is I have no idea how can I get dependencies to my project and Sailfish OS does not have SQLAlchemy in repository. I tryed to install it using pip to lib directory in my project using
pip install --install-option="--install-purelib=pwd/lib" sqlalchemy
It installed SQLAlechemy as i expected, but when i tryed to run my project, it crashed on select with where condition - but the same code worked fine when I imported SQLAlchemy from my system.
I both installed SQLAlchemy are 1.0.8 version.
Select, which works with my SQLAlchemy installed without prefix
def getValue(self, key):
s = select([self.table.c.value]).where(self.table.c.key==key)
return self.con.execute(s).fetchone()
and error
Traceback (most recent call last):
File "", line 1, in
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/models.py", line 58, in getValue
s = select([self.table.c.value]).where(self.table.c.key==key)
File "", line 2, in where
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/lib/sqlalchemy/sql/base.py", line 45, in _generative
fn(self, *args[1:], **kw)
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/lib/sqlalchemy/sql/selectable.py", line 2897, in where
self.append_whereclause(whereclause)
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/lib/sqlalchemy/sql/selectable.py", line 3122, in append_whereclause
True_._ifnone(self.whereclause), whereclause)
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/lib/sqlalchemy/sql/elements.py", line 1929, in and
return cls.construct(operators.and, True_, False_, *clauses)
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/lib/sqlalchemy/sql/elements.py", line 1863, in _construct
util.coerce_generator_arg(clauses)
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/lib/sqlalchemy/sql/elements.py", line 1862, in
for clause in
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/lib/sqlalchemy/sql/elements.py", line 3766, in _expression_literal_as_text
return _literal_as_text(element, warn=True)
File "/home/tobik/Buhvico/Programovani/beardware/hgclient/qml/hgo/lib/sqlalchemy/sql/elements.py", line 3787, in _literal_as_text
"instead" % type(element)
hgo.lib.sqlalchemy.exc.ArgumentError: SQL expression object or string expected, got object of type instead
Thanks for ur suggestions :)
Related
I installed chatterbot in my terminal earlier today using virtual studio code's terminal. I saw that both chatterbot and chatterbot_corpus worked in installation. Then, I made the following python document:
EDIT: Turns out I should define a chatbot variable first.
from chatterbot import ChatBot
from chatterbot.trainers import ChatterBotCorpusTrainer
from chatterbot.trainers import ListTrainer
conversation = [
"Hello",
"Hi there!",
"How are you doing?",
"I'm doing great.",
"That is good to hear",
"Thank you.",
"You're welcome."
]
bot = ChatBot('Maya')
trainer = ListTrainer(bot)
trainer.train(conversation)
This was my code
it says this however
bot = ChatBot('Maya')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\chatterbot.py", line 34, in __init__
self.storage = utils.initialize_class(storage_adapter, **kwargs)
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\utils.py", line 54, in initialize_class
return Class(*args, **kwargs)
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\storage\sql_storage.py", line 22, in __init__
from sqlalchemy import create_engine
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\sqlalchemy\__init__.py", line 8, in <module>
from . import util as _util # noqa
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\sqlalchemy\util\__init__.py", line 14, in <module>
from ._collections import coerce_generator_arg # noqa
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\sqlalchemy\util\_collections.py", line 16, in <module>
from .compat import binary_types
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\sqlalchemy\util\compat.py", line 264, in <module>
time_func = time.clock
AttributeError: module 'time' has no attribute 'clock'
Does anyone know how to fix this easily?
EDIT: I just updated python using pip install --upgrade ipython in terminal, but it didn't fix the issue
EDIT 2: Well now I tried updating a package using pip install sqlalchemy --upgrade
But now it gives
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\chatterbot.py", line 34, in __init__
self.storage = utils.initialize_class(storage_adapter, **kwargs)
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\utils.py", line 54, in initialize_class
return Class(*args, **kwargs)
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\storage\sql_storage.py", line 46, in __init__
if not self.engine.dialect.has_table(self.engine, 'Statement'):
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\sqlalchemy\dialects\sqlite\base.py", line 2009, in has_table
self._ensure_has_table_connection(connection)
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\sqlalchemy\engine\default.py", line 341, in _ensure_has_table_connection
raise exc.ArgumentError(
sqlalchemy.exc.ArgumentError: The argument passed to Dialect.has_table() should be a <class 'sqlalchemy.engine.base.Connection'>,
got <class 'sqlalchemy.engine.base.Engine'>. Additionally, the Dialect.has_table() method is for internal dialect use only; please use ``inspect(some_engine).has_table(<tablename>>)`` for public API use.
I am in the latest version though
PS C:\Users\Subha> Python --version
Python 3.9.6
EDIT 3: Now it comes up with
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\chatterbot.py", line 34, in __init__
self.storage = utils.initialize_class(storage_adapter, **kwargs)
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\utils.py", line 54, in initialize_class
return Class(*args, **kwargs)
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\chatterbot\storage\sql_storage.py", line 46, in __init__
# if not self.engine.dialect.has_table(self.engine, 'Statement'):
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\sqlalchemy\dialects\sqlite\base.py", line 2009, in has_table
self._ensure_has_table_connection(connection)
File "C:\Users\Subha\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\sqlalchemy\engine\default.py", line 341, in _ensure_has_table_connection
raise exc.ArgumentError(
sqlalchemy.exc.ArgumentError: The argument passed to Dialect.has_table() should be a <class 'sqlalchemy.engine.base.Connection'>, got <class 'sqlalchemy.engine.base.Engine'>. Additionally, the Dialect.has_table() method is for internal dialect use only; please use ``inspect(some_engine).has_table(<tablename>>)`` for public API use.
it seems the python upgrade worked with regard to the initial error on time.clock. This new error you are seeing is quite different to the previous one. In this case you need to go into chatterbot/storage/sql_storage.py and comment out if not self.engine.dialect.has_table(self.engine, 'Statement'): and leave only self.create_database(). This means that instead of checking whether a database table has been created which is triggering the error, it will just create the DB every time, which i expect to work fine.
# if not self.engine.dialect.has_table(self.engine, 'Statement'):
self.create_database()
I am trying to run the file l2cap_infra.py with Python 2, but I am getting the following error:
Traceback (most recent call last):
File "l2cap_infra.py", line 524, in <module>
main(*sys.argv[1:])
File "l2cap_infra.py", line 508, in main
l2cap_loop, _ = create_l2cap_connection(src_hci, dst_bdaddr, pcap_path=pcap_path)
File "l2cap_infra.py", line 489, in create_l2cap_connection
handle_information_negotiation_process(l2cap_loop)
File "l2cap_infra.py", line 425, in handle_information_negotiation_process
l2cap_loop.send(info_req)
File "l2cap_infra.py", line 142, in send
self._sock.send(packet)
File "l2cap_infra.py", line 213, in send
self.send_fragment(Raw(str(l2cap)[i:i+L2CAP_DEFAULT_MTU]), i == 0)
File "l2cap_infra.py", line 223, in send_fragment
hci = HCI_Hdr() / HCI_ACL_Hdr(handle=scapy_handle, flags=scapy_flags) / frag
File "/usr/local/lib/python2.7/dist-packages/scapy/base_classes.py", line 227, in __call__
i.__init__(*args, **kargs)
File "/usr/local/lib/python2.7/dist-packages/scapy/packet.py", line 135, in __init__
self.fields[f] = self.get_field(f).any2i(self, v)
File "/usr/local/lib/python2.7/dist-packages/scapy/packet.py", line 170, in get_field
return self.fieldtype[fld]
KeyError: 'flags'
This might be a version conflict; I had a similar problem and I had to edit a file in /usr/local/lib/python2.7/.
What code do I have to change in that linked file or in one of my pip libraries to make this code work?
It seems it's a compatibility issue between BlueBorne and Scapy.
You (most likely) have installed the latest Scapy version (v2.4.0), which dropped the fields kwarg from scapy.layers.bluetooth.HCI_ACL_Hdr's initializer, while BlueBorne (l2cap_infra.py, and possibly others) was not updated (or branched) accordingly.
The latest version that still has it is v2.3.3 ([GitHub]: secdev/scapy - (v2.3.3) scapy/scapy/layers/bluetooth.py).
Possible solutions:
Uninstall your current Scapy version (pip uninstall scapy) and install v2.3.3 (pip install scapy==2.3.3). Probably, this is the simplest (and most suitable) for you ([PyPI]: scapy 2.3.3)
Submit a bug to BlueBorne and wait for them to add support for newer Scapy versions
Fix it yourself ("fields" (v2.3.3) to "PB" + "BC" (v2.4.0) kwargs conversion), and maybe submit a patch :)
I've used the Swagger Editor to manually generate my Swagger spec file and generated the files for a Python Flask server. Following the README I installed connexion, but when I run python app.py I get the error:
ValueError: need more than 1 value to unpack. Any ideas?
Full stack trace below:
No handlers could be found for logger "connexion.api"
Traceback (most recent call last):
File "app.py", line 5, in <module>
app.add_api('swagger.yaml')
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/app.py", line 144, in add_api
debug=self.debug)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/api.py", line 127, in __init__
self.add_paths()
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/api.py", line 198, in add_paths
six.reraise(*sys.exc_info())
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/api.py", line 187, in add_paths
self.add_operation(method, path, endpoint, path_parameters)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/api.py", line 160, in add_operation
resolver=self.resolver)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/operation.py", line 168, in __init__
resolution = resolver.resolve(self)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/resolver.py", line 50, in resolve
return Resolution(self.resolve_function_from_operation_id(operation_id), operation_id)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/resolver.py", line 71, in resolve_function_from_operation_id
return self.function_resolver(operation_id)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/connexion/utils.py", line 106, in get_function_from_name
module_name, attr_path1 = module_name.rsplit('.', 1)
ValueError: need more than 1 value to unpack
I ran into this as well. From what I see, the generated code from Swagger seems to assume you're using Python 3. While connexion supports both Python 2.7 & 3.4+, it does need a __init__.py file in the generated python-flask-server/ base directory as well as inside the controllers/ subdirectory to work for Python 2.7 (Implicit Namespace Packages were introduced in Python 3.3). If you create those 2 empty files after generating the code, things should work. If the Swagger generator wants to support Python 2.7 (since connexion allows for it), it would just need to provide those files as well.
While trying to solve a Non Linear Problem in Python using Openopt's NLP.solve() I get this error, summarized as
you should have DerApproximator installed.
I tried
pip install derapproximator
but it says "requirement already satisfied".
I am using Windows 7 x64, Python 3.4 with OpenOpt 0.5604. How do I install this package?
Here is the complete text from the command window.
solution = problem.solve('ralg')
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\kernel\baseProblem.py", line 253, in solve
return runProbSolver(self, *args, **kwargs)
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\kernel\runProbSolver.py", line 292, in runProbSolver solver(p)
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\solvers\UkrOpt\ralg_oo.py", line 159, in __solver__
g = bestPoint._getDirection(self.approach)
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\kernel\Point.py", line 640, in _getDirection
self.direction = self.sum_of_all_active_constraints_gradient()
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\kernel\Point.py", line 565, in sum_of_all_active_constraints_gradient
tmp = p.dc(x, ind)
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\kernel\baseProblem.py", line 550, in <lambda>
self.wrapped_1st_derivatives(x, ind, funcType, ignorePrev, useSparse))
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\kernel\nonLinFuncs.py", line 383, in wrapped_1st_derivatives
derivatives = p.wrapped_func(x, ind, funcType, True, True)
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\kernel\nonLinFuncs.py", line 28, in wrapped_func
p.err('For the problem you should have DerApproximator installed, see http://openopt.org/DerApproximator')
File "C:\Python34\lib\site-packages\openopt-0.5604-py3.4.egg\openopt\kernel\oologfcn.py", line 16, in ooerr
raise OpenOptException(msg)
oologfcn.OpenOptException: For the problem you should have DerApproximator installed, see http://openopt.org/DerApproximator
Update 1
I saw a file named derapproximator-0.52-py3.4.egg in the Python34\Lib\site-packages the path which I had to add as PYTHONPATH key in the Environment variables for openopt to be found by python. I did not know how a file with .egg extension could be used there so I extracted the contents to derapproximator-0.52-py3.4. Whose folder hierarchy on cmd tree looks like
+---derapproximator-0.52-py3.4
| +---DerApproximator
| | \---__pycache__
| \---EGG-INFO
but the error is still the same,
>>> import derapproximator
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named 'derapproximator'
Then again I tried with renaming the folder to derapproximator-0.52-py3.4.egg but it still doesn't work.
I was trying to install a module for opencv and added an opencv.pth file to the folder beyond my sites.py file. I have since deleted it and no change.
When I try to run help('modules'), I get the following error:
Please wait a moment while I gather a
list of all available modules...
/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/twisted/words/im/init.py:8:
UserWarning: twisted.im will be
undergoing a rewrite at some point in
the future.
warnings.warn("twisted.im will be
undergoing a rewrite at some point in
the future.")
/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pkgutil.py:110:
DeprecationWarning: The wxPython
compatibility package is no longer
automatically generated or actively
maintained. Please switch to the wx
package as soon as possible.
import(name) Traceback (most recent call last): File "",
line 1, in File
"/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site.py",
line 348, in call
return pydoc.help(*args, **kwds) File
"/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pydoc.py",
line 1644, in call
self.help(request) File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pydoc.py",
line 1681, in help
elif request == 'modules': self.listmodules() File
"/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pydoc.py",
line 1802, in listmodules
ModuleScanner().run(callback) File
"/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pydoc.py",
line 1853, in run
for importer, modname, ispkg in pkgutil.walk_packages(): File
"/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pkgutil.py",
line 110, in walk_packages
import(name) File "/BinaryCache/wxWidgets/wxWidgets-11~262/Root/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/wxaddons/init.py",
line 180, in import_hook File
"/Library/Python/2.5/site-packages/ctypes_opencv/init.py",
line 19, in
from ctypes_opencv.cv import * File
"/BinaryCache/wxWidgets/wxWidgets-11~262/Root/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/wxaddons/init.py",
line 180, in import_hook File
"/Library/Python/2.5/site-packages/ctypes_opencv/cv.py",
line 2567, in ('desc', CvMat_r, 1), # CvMat* desc File
"/Library/Python/2.5/site-packages/ctypes_opencv/cxcore.py",
line 114, in cfunc
return CFUNCTYPE(result, *atypes)((name, dll), tuple(aflags)) AttributeError: dlsym(0x2674d10, cvCreateFeatureTree): symbol not found
What gives?!
This happens because help('modules') imports all modules, which can result in a lot of unsentineled code being executed. There's nothing you can do short of reporting bugs in every single package that causes this (opencv in this case) and wait for them to fix it.