Python 3.4.3 and sockets
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Have anyone gotten sockets to work on the omega?
Running something like
import socket import encodings.idna s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) host = socket.gethostname() port = 9999 s.bind((host, port))Throws the error
Traceback (most recent call last): File "server3.py", line 2, in <module> import encodings.idna File "/usr/lib/python3.4/encodings/idna.py", line 3, in <module> import stringprep, re, codecs File "/usr/lib/python3.4/stringprep.py", line 8, in <module> from unicodedata import ucd_3_2_0 as unicodedata ImportError: No module named 'unicodedata'Google'in "unicodedata" afaik only gives me pre python3 results....
Any ideas?
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I receive a very different error.
root@Omega-09E9:/proc# oupgrade -version
Device Firmware Version: 0.0.6 b26
root@Omega-09E9:~/test# python3 --version
Python 3.4.3
root@Omega-09E9:~/test# cat test.py
import socket
import encodings.idna
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
host = socket.gethostname()
port = 9999
s.bind((host, port))root@Omega-09E9:~/test# python3 test.py
Traceback (most recent call last):
File "prova.py", line 6, in <module>
s.bind((host, port))
socket.gaierror: [Errno -2] Name or service not knownIn my case the error is caused by the fact that the hostname cannot be resolved by any DNS.
A simple solution is adding it to /etc/hosts.
root@Omega-09E9:~/test# cat /etc/hosts
127.0.0.1 localhost
127.0.0.1 Omega-09E9
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@Jarl-U-Christian-Persson It's worth to say that I'm using external USB storage [1] to install all the python3 modules available[2][3] through opkg [4].
May be you are missing some modules? double check it.[1] https://wiki.onion.io/Tutorials/Using-USB-Storage-as-Rootfs - "option extroot with pivot-overlay"
[2] List all the python3 packages available in the repository:
opkg find '* python3 *' (remove the spaces before and after the *)
[3] List of all the python3 packages installed:
opkg list-installed | grep python3
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Until I get within reach of my Omega I can say that, the hostname is changed and it's python3-light.
Update
Packages found
python3-base - 3.4.3-2
python3-light - 3.4.3-2
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A far as I can tell it was due to me running "python-light", installed the full python3 on a external usb as suggested and that fixed it.
Copied the output from installing python3, in case someone wants to dig into what the cause might be.
root@Omega-225A:/# opkg install python3 Installing python3 (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3_3.4.3-2_ar71xx.ipk. Installing python3-light (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-light_3.4.3-2_ar71xx.ipk. Installing python3-base (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-base_3.4.3-2_ar71xx.ipk. Installing libffi (3.0.13-1) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/libffi_3.0.13-1_ar71xx.ipk. Installing libbz2 (1.0.6-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/base/libbz2_1.0.6-2_ar71xx.ipk. Installing python3-asyncio (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-asyncio_3.4.3-2_ar71xx.ipk. Installing python3-codecs (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-codecs_3.4.3-2_ar71xx.ipk. Installing python3-ctypes (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-ctypes_3.4.3-2_ar71xx.ipk. Installing python3-dbm (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-dbm_3.4.3-2_ar71xx.ipk. Installing libdb47 (4.7.25.4.NC-4.1) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/libdb47_4.7.25.4.NC-4.1_ar71xx.ipk. Installing libxml2 (2.9.2-3) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/libxml2_2.9.2-3_ar71xx.ipk. Installing python3-decimal (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-decimal_3.4.3-2_ar71xx.ipk. Installing python3-distutils (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-distutils_3.4.3-2_ar71xx.ipk. Installing python3-email (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-email_3.4.3-2_ar71xx.ipk. Installing python3-gdbm (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-gdbm_3.4.3-2_ar71xx.ipk. Installing libgdbm (1.11-1) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/libgdbm_1.11-1_ar71xx.ipk. Installing python3-logging (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-logging_3.4.3-2_ar71xx.ipk. Installing python3-lzma (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-lzma_3.4.3-2_ar71xx.ipk. Installing liblzma (5.2.1-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/liblzma_5.2.1-2_ar71xx.ipk. Installing python3-multiprocessing (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-multiprocessing_3.4.3-2_ar71xx.ipk. Installing python3-ncurses (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-ncurses_3.4.3-2_ar71xx.ipk. Installing python3-openssl (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-openssl_3.4.3-2_ar71xx.ipk. Installing python3-pydoc (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-pydoc_3.4.3-2_ar71xx.ipk. Installing python3-sqlite3 (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-sqlite3_3.4.3-2_ar71xx.ipk. Installing libsqlite3 (3081101-1) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/libsqlite3_3081101-1_ar71xx.ipk. Installing python3-unittest (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-unittest_3.4.3-2_ar71xx.ipk. Installing python3-xml (3.4.3-2) to root... Downloading http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/packages/packages/python3-xml_3.4.3-2_ar71xx.ipk. Configuring python3-base. Configuring libffi. Configuring libbz2. Configuring python3-light. Configuring python3-pydoc. Configuring liblzma. Configuring python3-email. Configuring python3-decimal. Configuring python3-xml. Configuring libxml2. Configuring python3-ncurses. Configuring python3-distutils. Configuring python3-codecs. Configuring python3-multiprocessing. Configuring python3-asyncio. Configuring python3-ctypes. Configuring libdb47. Configuring python3-dbm. Configuring libgdbm. Configuring python3-gdbm. Configuring python3-logging. Configuring python3-lzma. Configuring python3-openssl. Configuring libsqlite3. Configuring python3-sqlite3. Configuring python3-unittest. Configuring python3.