I am trying to install dmgbuild with pip and I receive the error below:
AttributeError: 'str' object has no attribute 'decode'
Windows 10
Command Prompt (Admin)
pip version 9.0.1
C:>pip install dmgbuild
Collecting dmgbuild
Using cached dmgbuild-1.3.0.tar.gz
Collecting ds_store>=1.1.0 (from dmgbuild)
Using cached ds_store-1.1.0.tar.gz
Collecting mac_alias>=2.0.1 (from dmgbuild)
Using cached mac_alias-2.0.1.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\rpanczer\AppData\Local\Temp\pip-build-gvy3qj3a\mac-alias\setup.py", line 5, in
longdesc = f.read().decode('utf-8')
AttributeError: 'str' object has no attribute 'decode'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in C:\Users\rpanczer\AppData\Local\Temp\pip-build-gvy3qj3a\mac-alias\
str.decode no longer exists in python 3.x
The error is due to mac_alias, which dmgbuild depends on,is not compatible to python 3 somehow.
You can check out mac_alias homepage.
I just tested everything is okay if you are using python 2.7.
Try to specify your python interpreter firstly before writing commands, this may help you in the case you have more than one version installed.
C:\ python3 pip install dmgbuild
Also try to use -m command in addition to pip install, it provides root access to python command prompt.
C:\ python3 -m pip install dmgbuild
In case neither of the methods above works for you, check if your python interpreter is already added the PATH variable.
Related
According to Django 2.0 release notes Django 2.0 onwards will only support python 3, making the 1.11.X the last release series to support python 2.
See quote from the release notes page:
Django 2.0 supports Python 3.4, 3.5, and 3.6. We highly recommend and only officially support the latest release of each series.
The Django 1.11.x series is the last to support Python 2.7.
However when running pip2 install Django, django version 2 is being installed (which then fails because it assumes functionality not available in python 2):
(venv-crap) mbp15:server nir$ pip2 install django
Collecting django
Downloading Django-2.0.tar.gz (8.0MB)
100% |████████████████████████████████| 8.0MB 177kB/s
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/PATH/django/setup.py", line 32, in <module>
version = __import__('django').get_version()
File "django/__init__.py", line 1, in <module>
from django.utils.version import get_version
File "django/utils/version.py", line 61, in <module>
#functools.lru_cache()
AttributeError: 'module' object has no attribute 'lru_cache'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/PATH/django/
I know I can manually specify requirement version below 2, making pip install a version valid for python 2, however that will complicate the installation process if I want to support both python2 and python3, and would have assumed pip will know to install only versions compatible with the python it's running from.
My questions, therefore, as the following:
Why is pip attempting to install Django2 with python2 instead of automatically picking the last compatible version? Isn't that part of pips capabilities?
Is there a way to make a single requirements.txt that will install Django<2.0 when running from python2 and Django>=2.0 when running with python3?
Why is pip attempting to install Django2 with python2 instead of automatically picking the last compatible version? Isn't that part of pips capabilities?
As Alasdair pointed out in the comments already, this is a known bug in Django: bug #28878.
Is there a way to make a single requirements.txt that will install Django<2.0 when running from python2 and Django>=2.0 when running with python3?
You can use the environment markers (see PEP 508):
# requirements.txt
django>=1.11,<2.0; python_version<"3.4"
django>=2.0; python_version>="3.4"
This will install one and skip another django dependency, depending on what python you are using:
$ pip2.7 install -r requirements.txt
Ignoring django: markers 'python_version >= "3.4"' don't match your environment
Collecting django<2.0 (from -r requirements.txt (line 1))
Downloading Django-1.11.8-py2.py3-none-any.whl (6.9MB)
...
$ pip3.6 install -r requirements.txt
Ignoring django: markers 'python_version < "3.4"' don't match your environment
Collecting django>=2.0 (from -r requirements.txt (line 2))
Using cached Django-2.0-py3-none-any.whl
...
Ok so i'm trying to install scapy for python3, but ive been having some issues
when I enter this command:
pip install scapy
This is the output:
Collecting scapy
Using cached scapy-2.3.3.tgz
In the tar file C:\Users\MYNAME~1\AppData\Local\Temp\pip-oao3meyq-
unpack\scapy-2.3.3.tgz the member scapy-2.3.3/README
is invalid: unable to resolve link inside archive
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Users\MYNAME~1\AppData\Local\Temp\pip-build-
qjegdxw6\scapy\setup.py", line 36
os.chmod(fname, 0755)
^
SyntaxError: invalid token
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in
C:\Users\MYNAME~1\AppData\Local\Temp\pip-build-qjegdxw6\s
capy\
So then I searched around and I tried using this:
pip3 install scapy-python3
But it just says that pip3 isnt a command, so im not sure what to do
Instead of pip3 use pip
pip install scapy-python3
It worked for me. pip3 is usually used if you have both python2 and python3 installed on your machine. It is uesd to distinguish between different pips in your system.
The pip3.exe will be in python3x/scripts/.
Check if there is a pip3.exe is available in your scripts folder.
If the above solution doesn't work for you then try giving the full path of correct pip.exe.
I have a problem installing wsgiref:
$ python --version
Python 3.6.0 :: Anaconda 4.3.1 (x86_64)
$ pip --version
pip 9.0.1 from /anaconda/lib/python3.6/site-packages (python 3.6)
My requirement.txt file are shown as below.
numpy==1.8.1
scipy==0.14.0
pyzmq==14.3.1
pandas==0.14.0
Jinja2==2.7.3
MarkupSafe==0.23
backports.ssl-match-hostname==3.4.0.2
gnureadline==6.3.3
ipython==2.1.0
matplotlib==1.3.1
nose==1.3.3
openpyxl==1.8.6
patsy==0.2.1
pyparsing==2.0.2
python-dateutil==2.2
pytz==2014.4
scikit-learn==0.14.1
six==1.7.3
tornado==3.2.2
wsgiref==0.1.2
statsmodels==0.5.0
when I run pip install -r requirement.txt, I got this error
Collecting wsgiref==0.1.2 (from -r requirements.txt (line 20))
Using cached wsgiref-0.1.2.zip
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/var/folders/xs/y0pbzxkn7gqcdtrz4cpxtwrw0000gn/T/pip-build-hkiqbu1j/wsgiref/setup.py", line 5, in <module>
import ez_setup
File "/private/var/folders/xs/y0pbzxkn7gqcdtrz4cpxtwrw0000gn/T/pip-build-hkiqbu1j/wsgiref/ez_setup/__init__.py", line 170
print "Setuptools version",version,"or greater has been installed."
^
SyntaxError: Missing parentheses in call to 'print'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/xs/y0pbzxkn7gqcdtrz4cpxtwrw0000gn/T/pip-build-hkiqbu1j/wsgiref/
I have tried to run pip install --upgrade setuptools and sudo easy_install -U setuptools but neither works. How can I solve this problem?
wsgiref is already been included as a standard library in Python 3...
So in case if you are trying with Python 3 just go ahead and import wsgiref thats it.
According to this line SyntaxError: Missing parentheses in call to 'print', I think it needs Python 2.x to run the setup.py. Whether to use parentheses in print is the different syntax of Python 2 and Python 3.
This is the solution from the Github issue:
There are a few fixes that will get you running, in order of least work to most:
Switch over to python2.7 for your will installs.
Try to upgrade wsgiref with pip install --upgrade wsgiref, and see if the latest version works with your setup, and with will (if it doesn't, you'd notice the http/webhooks stuff not working.
If you try 2) and it works, submit a PR here with the upgraded version in requirements.txt. (You can find out what versions you've got by using pip freeze).
You can find more about the syntax difference here
Solution:
Flask-restful is deprecated, use version flask-restx
I am new to Python and I am trying to install recsys package.
http://ocelma.net/software/python-recsys/build/html/installation.html
For this i need to install some pre-requiste packages, so i have to run this using pip
pip install csc-pysparse networkx divisi2
But whenever i run this i get the following in logs
Collecting csc-pysparse
Using cached csc-pysparse-1.1.1.4.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Users\64\AppData\Local\Temp\pip-build-wn7_65_9\csc-pysparse\
setup.py", line 33
print 'setuptools module not found.'
^
SyntaxError: Missing parentheses in call to 'print'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in C:\Users\i054564\
AppData\Local\Temp\pip-build-wn7_65_9\csc-pysparse\
I checked that setuptools exist in my python installation here
C:\Python34\lib\site-packages
I have ran everything from unstinalling setuptools to install it again, upgrade command, but it does not work.
Not able to figure out why setuptools is not found. Is it not found in the path of where pip resolves it from ?
cheers,
Saurav
The code triggering the error is Python 2-specific and is illegal in Python 3.
Apparently, csc-pysparse doesn't support Python 3 (its README only mentions 2.6) and looks abandoned (6 years since last commit).
Some guys out there suggest replacing it with SciPy.
The error is coming from the installation code of recsys package. In order to avoid this error, you need to install setuptools separately.
For debian machines, the below command will work.
sudo apt-get install python3-setuptools
For other machines, please checkout installation instructions at the link
Once setuptools package is installed, you can proceed with csc-pysparse installation.
So, I've been trying to install the gutenberg module for python pip install gutenberg using the directions at this site (using brew instead of pip since I'm on a mac). Every time I try do do it, it returns with this:
pip install gutenberg
Collecting gutenberg
Using cached Gutenberg-0.4.2.tar.gz
Collecting bsddb3>=6.1.0 (from gutenberg)
Using cached bsddb3-6.2.1.tar.gz
Complete output from command python setup.py egg_info:
Can't find a local Berkeley DB installation.
(suggestion: try the --berkeley-db=/path/to/bsddb option)
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/53/zsh0zhwx635d_rss6hkgrknr0000gn/T/pip-build-Mn4wGp/bsddb3/
So, I installed the berkeley database using brew (brew install berkeley-db) and the error changed:
pip install gutenberg
Requirement already satisfied (use --upgrade to upgrade): gutenberg in ./anaconda2/lib/python2.7/site-packages/Gutenberg-0.4.2-py2.7.egg
Collecting bsddb3>=6.1.0 (from gutenberg)
Using cached bsddb3-6.2.1.tar.gz
Complete output from command python setup.py egg_info:
Trying to use the Berkeley DB you specified...
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/var/folders/53/zsh0zhwx635d_rss6hkgrknr0000gn/T/pip-build-FEd8dy/bsddb3/setup.py", line 40, in <module>
import setup2
File "setup2.py", line 350, in <module>
"version %d.%d" %db_ver)
TypeError: %d format: a number is required, not NoneType
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/53/zsh0zhwx635d_rss6hkgrknr0000gn/T/pip-build-FEd8dy/bsddb3/
I tried doing easy_install, re-installing setup-tools, and a bunch of other stuff. Here's the links to all the things I've tried:
Can't install via pip because of egg_info error
Python pip install gives "Command "python setup.py egg_info" failed with error code 1"
Python pip install fails: invalid command egg_info
pip fails to install anything, error: invalid command 'egg_info'
https://github.com/PokemonGoF/PokemonGo-Bot/issues/2919
When I say I've tried all of them, I really do mean all of the suggestions in the links above, so maybe I messed something up in that process. I'm not entirely sure what's going on, I've been working on it for hours and haven't been able to discover with any successful solutions. I'm not sure if I'm missing something here but if anyone has any suggestions it would really help.
Just an addition from my side...
I fixed this issue on my Windows 10 for python 3.4:
Go to Powershell Window and type below:
1) Update pip >>>>> py -3.4 -m pip install --upgrade pip
2) Install Numpy >>>>> py -3.4 -m pip install numpy
3) Install Matplotlib >>>> py -3.4 -m pip install matplotlib