Buildozer not able to genarate apk file due t cython

[Shyam Sundar Kumawat]

RAN: /bin/bash -c 'venv/bin/pip install Cython'

  STDOUT:

WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.

Collecting Cython

  WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/cython/

  WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/cython/

  WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/cython/

  WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/cython/

  WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/cython/

  Could not fetch URL https://pypi.org/simple/cython/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/cython/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping

  ERROR: Could not find a version that satisfies the requirement Cython (from versions: none)

ERROR: No matching distribution found for Cython

WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.

Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping

  STDERR:

# Command failed: /home/pujari/Desktop/python/venv/bin/python -m pythonforandroid.toolchain create --dist_name=myapp --bootstrap=sdl2 --requirements=python3,kivy --arch armeabi-v7a --copy-libs --color=always --storage-dir="/home/pujari/Desktop/python/pingpong/.buildozer/android/platform/build-armeabi-v7a" --ndk-api=21

# ENVIRONMENT:

#     CLUTTER_IM_MODULE = 'xim'

#     LS_COLORS = 'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:'

#     LESSCLOSE = '/usr/bin/lesspipe %s %s'

#     XDG_MENU_PREFIX = 'gnome-'

#     LANG = 'en_IN'

#     DISPLAY = ':0'

#     OLDPWD = '/home/pujari/Desktop/python'

#     GNOME_SHELL_SESSION_MODE = 'ubuntu'

#     COLORTERM = 'truecolor'

#     USERNAME = 'pujari'

#     XDG_VTNR = '2'

#     SSH_AUTH_SOCK = '/run/user/1000/keyring/ssh'

#     VIRTUAL_ENV = '/home/pujari/Desktop/python/venv'

#     MANDATORY_PATH = '/usr/share/gconf/ubuntu.mandatory.path'

#     XDG_SESSION_ID = '2'

#     USER = 'pujari'

#     DESKTOP_SESSION = 'ubuntu'

#     QT4_IM_MODULE = 'xim'

#     TEXTDOMAINDIR = '/usr/share/locale/'

#     GNOME_TERMINAL_SCREEN = '/org/gnome/Terminal/screen/30cf8e4a_79be_4a59_b49f_d4697236b85c'

#     DEFAULTS_PATH = '/usr/share/gconf/ubuntu.default.path'

#     PWD = '/home/pujari/Desktop/python/pingpong'

#     HOME = '/home/pujari'

#     TEXTDOMAIN = 'im-config'

#     SSH_AGENT_PID = '1569'

#     QT_ACCESSIBILITY = '1'

#     XDG_SESSION_TYPE = 'x11'

#     XDG_DATA_DIRS = '/usr/share/ubuntu:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop'

#     XDG_SESSION_DESKTOP = 'ubuntu'

#     GJS_DEBUG_OUTPUT = 'stderr'

#     GTK_MODULES = 'gail:atk-bridge'

#     WINDOWPATH = '2'

#     TERM = 'xterm-256color'

#     SHELL = '/bin/bash'

#     VTE_VERSION = '5202'

#     QT_IM_MODULE = 'ibus'

#     XMODIFIERS = '@im=ibus'

#     IM_CONFIG_PHASE = '2'

#     XDG_CURRENT_DESKTOP = 'ubuntu:GNOME'

#     GPG_AGENT_INFO = '/run/user/1000/gnupg/S.gpg-agent:0:1'

#     GNOME_TERMINAL_SERVICE = ':1.97'

#     XDG_SEAT = 'seat0'

#     SHLVL = '1'

#     LANGUAGE = 'en_IN:en'

#     GDMSESSION = 'ubuntu'

#     GNOME_DESKTOP_SESSION_ID = 'this-is-deprecated'

#     LOGNAME = 'pujari'

#     DBUS_SESSION_BUS_ADDRESS = 'unix:path=/run/user/1000/bus'

#     XDG_RUNTIME_DIR = '/run/user/1000'

#     XAUTHORITY = '/run/user/1000/gdm/Xauthority'

#     XDG_CONFIG_DIRS = '/etc/xdg/xdg-ubuntu:/etc/xdg'

#     PATH = '/home/pujari/.buildozer/android/platform/apache-ant-1.9.4/bin:/home/pujari/Desktop/python/venv/bin:/home/pujari/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin'

#     PS1 = ('(venv) \\[\\e]0;\\u@\\h: '

 '\\w\\a\\]${debian_chroot:+($debian_chroot)}\\[\\033[01;32m\\]\\u@\\h\\[\\033[00m\\]:\\[\\033[01;34m\\]\\w\\[\\033[00m\\]\\$ ')

#     GJS_DEBUG_TOPICS = 'JS ERROR;JS LOG'

#     SESSION_MANAGER = 'local/pujari-Inspiron-5559:@/tmp/.ICE-unix/1465,unix/pujari-Inspiron-5559:/tmp/.ICE-unix/1465'

#     LESSOPEN = '| /usr/bin/lesspipe %s'

#     GTK_IM_MODULE = 'ibus'

#     _ = '/home/pujari/Desktop/python/venv/bin/buildozer'

#     PACKAGES_PATH = '/home/pujari/.buildozer/android/packages'

#     ANDROIDSDK = '/home/pujari/.buildozer/android/platform/android-sdk'

#     ANDROIDNDK = '/home/pujari/.buildozer/android/platform/android-ndk-r19c'

#     ANDROIDAPI = '27'

#     ANDROIDMINAPI = '21'

# 

# Buildozer failed to execute the last command

# The error might be hidden in the log above this error

# Please read the full log, and search for it before

# raising an issue with buildozer itself.

# In case of a bug report, please add a full log with log_level = 2

[Robert Flatt]

New dependency:    https://github.com/kivy/python-for-android/issues/2178

sudo apt install libssl-dev 

If you are using p4a directly (ie not using Buildozer)  you will need to reinstall p4a