Unresolved Import Issues with PyDev and Eclipse

Question

I am very new to PyDev and Python  though I have used Eclipse for Java plenty  I am trying to work through some of the Dive Into Python examples and this feels like an extremely trivial problem that s just becoming exceedingly annoying  I am using Ubuntu Linux 10 04   I want to be able to use the file odbchelper py  which is located in the directory  Desktop Python Tutorials diveintopython py  Here is my example py file that I m working on in my PyDev Eclipse project    import sys sys path append    Desktop Python Tutorials diveintopython py     This works fine  but then I want the next line of my code to be   import odbchelper   and this causes an unresolved import error every time  I have added   init   py files to just about every directory possible and it doesn t help anything  I ve tried adding   init   py files one at a time to the various levels of directories between the project location and the odbchelper py file  and I ve also tried adding the   init   py files to all of the directories in between simultaneously  Neither works   All I want to do is have a project somewhere in some other directory  say  Desktop MyStuff Project  in which I have example py     and then from example py I want to import odbchelper py from  Desktop Python Tutorials diveintopython py   Every message board response I can find just saying to use the sys path append   function to add this directory to my path  and then import it     but that is precisely what I am doing in my code and it s not working   I have also tried the Ctrl-1 trick to suppress the error message  but the program is still not functioning correctly  I get an error  ImportError  No module named odbchelper  So it s clearly not getting the path added  or there is some problem that all of my many permutations of adding   init   py files has missed   It s very frustrating that something this simple    calling things from some file that exists somewhere else on my machine    requires this much effort

User · Answer

I fixed my pythonpath and everything was dandy when I imported stuff through the console, but all these previously unresolved imports were still marked as errors in my code, no matter how many times I restarted eclipse or refreshed/cleaned the project.

I right clicked the project->Pydev->Remove error markers and it got rid of that problem. Don't worry, if your code contains actual errors they will be re-marked.

User · Answer

In the properties for your pydev project  there s a pane called  PyDev - PYTHONPATH   with a sub-pane called  External Libraries    You can add source folders  any folder that has an   init   py  to the path using that pane   Your project code will then be able to import modules from those source folders

User · Answer

I had some issues importing additional libraries  after trying to resolve the problem  by understanding  PYTHONPATH  Interpreter  and Grammar I found that I did everything write but the problems continue  After that  I just add a new empty line in the files that had the import errors and saved them and the error was resolved

User · Answer

There are two ways of solving this issue    Delete the Python interpreter from  Python interpreters  and add it again  Or just add the folder with the libraries in the interpreter you are using in your project  in my case I was using  bottle  and the folder I added was  c  Python33 Lib site-packages bottle-0 11 6-py3 3 egg    Now I don t see the error anymore  and the code completion feature works as well with  bottle

User · Answer

I m running Eclipse 4 2 0  Juno  and PyDev 2 8 1  and ran into this problem with a lib installed to my site-packages path   According to this SO question   Pydev and   pyc Files     there is an issue with PyDev and pyc files   In the case of the particular lib I tried to reference  all that is delivered is pyc files   Here s what I did to address this    Install uncompyle2 from https   github com Mysterie uncompyle2 Run uncompyle2 against the   pyc files in the site-packages lib   Example    uncompyle2 -r -o  tmp  path to site-packages lib Rename the resulting   pyc dis files produced from uncompyle2 to   py Move   copy these   py files to the site-packages path In Eclipse  select File   Restart   The unresolved import error relating to  pyc files should now disappear

User · Answer

I just upgraded a WXWindows project to Python 2 7 and had no end of trouble getting Pydev to recognize the new interpreter  Did the same thing as above configuring the interpreter  made a fresh install of Eclipse and Pydev  Thought some part of python must have been corrupt  so I re-installed everything again  Arghh  Closed and reopened the project  and restarted Eclipse between all of these changes    FINALLY noticed you can  remove the PyDev project config  by right clicking on project  Then it can be made into a PyDev project again  now it is good as gold

User · Answer

I am using eclipse kepler 4 3  PyDev 3 9 2 and on my ubuntu 14 04 I encountered with the same problem  I tried and spent hours  with all the above most of the options but in vain  Then I tried the following which was great    Select Project-  RightClick-  PyDev-  Remove PyDev Project Config file-  restart   And I was using Python 2 7 as an interpreter  although it doesn   t effect  I think

User · Answer

Here is what worked for me  sugested by soulBit      1  Restart using restart from the file menu 2  Once it started again  manually close and open it    This is the simplest solution ever and it completely removes the annoying thing

User · Answer

project-- properties-- pydev-pythonpath-- external libraries --  add source folder  add the PARENT FOLDER of the project  Then restart eclipse

User · Answer

KD py  class A  a 10   KD2 py  from com jbk KD import A  class B    b 120   aa A    print aa a    THIS works perfectly file for me  Another example is   main py         from com jbk scenarios objectcreation settings import  init from com jbk scenarios objectcreation subfile import stuff   init    stuff     settings py            def  init    print  kiran     subfile py            def stuff    print  asasas

User · Answer

Following  in my opinion will solve the problem   Adding the init py to your    Desktop Python Tutorials diveintopython py  folder Go to Window --  Preferences --  PyDev --  Interpreters --  Python Interpreter to remove your Python Interpreter setting  reason being is because PyDev unable to auto refresh any updates made to any System PythonPath  Add in the Interpreter with the same details as before  this will refresh your Python Interpreter setting with updates made to your PythonPath  Finally since your    Desktop Python Tutorials diveintopython py  folder not a standard PythonPath  you will need to add it in  There are two ways to do it   a  As per what David German suggested  However this only applicable for the particular projects you are in b  Add in    Desktop Python Tutorials diveintopython py  into a new PythonPath under Window --  Preferences --  PyDev --  Interpreters --  Python Interpreter --  Libraries subtab --  NewFolder   Hope it helps

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