Tried to run this, got error

[RyanSinger]

Ryans-MacBook-Pro:blue-app-ssh-agent ryan$ python getPublicKey.py
Traceback (most recent call last):
  File "getPublicKey.py", line 20, in <module>
    from ledgerblue.comm import getDongle
ImportError: No module named ledgerblue.comm
Ryans-MacBook-Pro:blue-app-ssh-agent ryan$ 

[btchip]

Did you install the other module (pip install ledgerblue) before ?

[knocte]

Did you install the other module (pip install ledgerblue) before ?

When trying to install this, I get this error in Ubuntu 16.04 64bits:

(snip)

Building wheels for collected packages: ledgerblue, hidapi, pycrypto, future, ecpy, olefile
  Running setup.py bdist_wheel for ledgerblue ... done
  Stored in directory: /home/andres/.cache/pip/wheels/8a/21/41/f4ecf6b8dfbee0620582d3f5698bcdf4f05b24defc364091d4
  Running setup.py bdist_wheel for hidapi ... error
  Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-1bHpSF/hidapi/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" bdist_wheel -d /tmp/tmpCutWx9pip-wheel- --python-tag cp27:
  running bdist_wheel
  running build
  running build_ext
  cythoning hid.pyx to hid.c
  building 'hid' extension
  creating build
  creating build/temp.linux-x86_64-2.7
  creating build/temp.linux-x86_64-2.7/hidapi
  creating build/temp.linux-x86_64-2.7/hidapi/libusb
  x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Ihidapi/hidapi -I/usr/include/libusb-1.0 -I/usr/include/python2.7 -c hid.c -o build/temp.linux-x86_64-2.7/hid.o
  hid.c: In function ‘__pyx_pf_3hid_6device_open’:
  hid.c:1633:45: warning: passing argument 1 of ‘PyUnicodeUCS4_AsWideChar’ from incompatible pointer type [-Wincompatible-pointer-types]
         __pyx_v_result = PyUnicode_AsWideChar(__pyx_v_serial_number, __pyx_v_cserial_number, __pyx_v_serial_len);
                                               ^
  In file included from /usr/include/python2.7/Python.h:85:0,
                   from hid.c:4:
  /usr/include/python2.7/unicodeobject.h:246:31: note: expected ‘PyUnicodeObject * {aka struct <anonymous> *}’ but argument is of type ‘PyObject * {aka struct _object *}’
   # define PyUnicode_AsWideChar PyUnicodeUCS4_AsWideChar
                                 ^
  /usr/include/python2.7/unicodeobject.h:591:24: note: in expansion of macro ‘PyUnicode_AsWideChar’
   PyAPI_FUNC(Py_ssize_t) PyUnicode_AsWideChar(
                          ^
  x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Ihidapi/hidapi -I/usr/include/libusb-1.0 -I/usr/include/python2.7 -c hidapi/libusb/hid.c -o build/temp.linux-x86_64-2.7/hidapi/libusb/hid.o
  hidapi/libusb/hid.c:47:20: fatal error: libusb.h: No such file or directory
  compilation terminated.
  error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

  ----------------------------------------
  Failed building wheel for hidapi
  Running setup.py clean for hidapi
  Running setup.py bdist_wheel for pycrypto ... done
  Stored in directory: /home/andres/.cache/pip/wheels/80/1f/94/f76e9746864f198eb0e304aeec319159fa41b082f61281ffce
  Running setup.py bdist_wheel for future ... done
  Stored in directory: /home/andres/.cache/pip/wheels/c2/50/7c/0d83b4baac4f63ff7a765bd16390d2ab43c93587fac9d6017a
  Running setup.py bdist_wheel for ecpy ... done
  Stored in directory: /home/andres/.cache/pip/wheels/72/ba/cc/1a0b3a02e596452c2df1ef529264dfee1a7ad1dc5d59ab6182
  Running setup.py bdist_wheel for olefile ... done
  Stored in directory: /home/andres/.cache/pip/wheels/20/58/49/cc7bd00345397059149a10b0259ef38b867935ea2ecff99a9b
Successfully built ledgerblue pycrypto future ecpy olefile
Failed to build hidapi
Installing collected packages: appdirs, pyparsing, six, packaging, setuptools, hidapi, protobuf, pycrypto, future, ecpy, olefile, pillow, ledgerblue
  Running setup.py install for hidapi ... error
    Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-1bHpSF/hidapi/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-4w02aq-record/install-record.txt --single-version-externally-managed --compile --user --prefix=:
    running install
    running build
    running build_ext
    skipping 'hid.c' Cython extension (up-to-date)
    building 'hid' extension
    creating build
    creating build/temp.linux-x86_64-2.7
    creating build/temp.linux-x86_64-2.7/hidapi
    creating build/temp.linux-x86_64-2.7/hidapi/libusb
    x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Ihidapi/hidapi -I/usr/include/libusb-1.0 -I/usr/include/python2.7 -c hid.c -o build/temp.linux-x86_64-2.7/hid.o
    hid.c: In function ‘__pyx_pf_3hid_6device_open’:
    hid.c:1633:45: warning: passing argument 1 of ‘PyUnicodeUCS4_AsWideChar’ from incompatible pointer type [-Wincompatible-pointer-types]
           __pyx_v_result = PyUnicode_AsWideChar(__pyx_v_serial_number, __pyx_v_cserial_number, __pyx_v_serial_len);
                                                 ^
    In file included from /usr/include/python2.7/Python.h:85:0,
                     from hid.c:4:
    /usr/include/python2.7/unicodeobject.h:246:31: note: expected ‘PyUnicodeObject * {aka struct <anonymous> *}’ but argument is of type ‘PyObject * {aka struct _object *}’
     # define PyUnicode_AsWideChar PyUnicodeUCS4_AsWideChar
                                   ^
    /usr/include/python2.7/unicodeobject.h:591:24: note: in expansion of macro ‘PyUnicode_AsWideChar’
     PyAPI_FUNC(Py_ssize_t) PyUnicode_AsWideChar(
                            ^
    x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Ihidapi/hidapi -I/usr/include/libusb-1.0 -I/usr/include/python2.7 -c hidapi/libusb/hid.c -o build/temp.linux-x86_64-2.7/hidapi/libusb/hid.o
    hidapi/libusb/hid.c:47:20: fatal error: libusb.h: No such file or directory
    compilation terminated.
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

    ----------------------------------------
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-1bHpSF/hidapi/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-4w02aq-record/install-record.txt --single-version-externally-managed --compile --user --prefix=" failed with error code 1 in /tmp/pip-build-1bHpSF/hidapi/
You are using pip version 8.1.1, however version 9.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

[knocte]

(And FYI the above was fixed by doing sudo apt install libudev-dev libusb-1.0-0-dev in Ubuntu 16.04.)

[Moejoe90]

I can confirm that @knocte suggestion to install libudev-dev libusb-1.0-0-devsolves the problem. i really suggest adding this to the general documentation for Nano setup

[morenopc]

It worked for me at Ubuntu 17.04

[Mansarde]

Can confirm that installing the missing libusb-1.0-0-dev worked for me on a live-boot Ubuntu 18.04 Thx! 👍