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#!/usr/bin/env python
##
# Copyright (C) 2013 Jessica T. (Tsyesika) <xray7224@googlemail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
##
import logging
import argparse
import sys
import requests
import six
from pypump import PyPump, Client
try:
from IPython import embed
from traitlets.config.loader import Config
except ImportError:
six.print_("You need to have ipython installed to run this")
sys.exit(1)
welcome_banner = """Welcome to the PyPump Shell,
We have setup some useful objects for you:
{table}
If you need help please visit our docs:
https://pypump.readthedocs.org/en/latest
"""
def ascii_table(headings, data):
""" Draws an ascii table """
# first we need to work out how long each column should be
columns = {}
for heading in headings:
columns[heading] = len(heading)+1 # plus one for the extra padding
# data could also overspill
for record in data:
for heading, d in record.items():
dlen = len(d)+1
if dlen > columns[heading]:
columns[heading] = dlen
table = {}
# okay now we need to pad the headers readying for drawing
for column, width in columns.items():
table[column] = "{name}{padding}".format(
name=column, padding=" "*(width-len(column))
)
heading = "| "
for column in table.values():
heading += column
heading += "| "
# now for the data
table = {}
for i, record in enumerate(data):
table[i] = "| "
for column, cdata in record.items():
table[i] += "{data}{padding} | ".format(
data=cdata, padding=" "*(columns[column]-len(cdata)-1)
)
# make the helper function which will draw the seporators
def draw_sep(columns):
""" Draws +----+--- etc... """
sep = "+"
for width in columns:
sep += "-"*(width+1)
sep += "+"
return sep + "\r\n"
sepper = lambda: draw_sep(columns.values())
stable = sepper()
stable += heading + "\r\n"
stable += sepper()
for value in table.values():
stable += value + "\r\n"
stable += sepper()
return stable # few, glad that's over
def verifier(url):
""" Asks for verification code for OAuth OOB """
six.print_("Please open and follow the instructions:")
six.print_(url)
return six.moves.input("Verifier: ").lstrip(" ").rstrip(" ")
if __name__ == "__main__":
# Taken from https://docs.python.org/2/library/logging.html#logging-levels
log_levels = "{'CRITICAL', 'ERROR', 'WARNING', 'INFO', 'DEBUG', 'NOTSET'}"
parser = argparse.ArgumentParser(description='Command line interface to the pump.io APIs')
parser.add_argument("--log", "--loglevel",
dest="loglevel",
default="warning",
help="Set level of logging. Can be one of {}".format(log_levels))
parser.add_argument("--logfile",
dest="logfile",
action="store_true",
default=False,
help="Write logging to pypump-shell.log")
parser.add_argument("--no-check-certificate",
dest="verify",
action="store_false",
default=True,
help="Accepts invalid SSL certificates")
parser.add_argument("webfinger",
help="Webfinger to use when connecting")
options = parser.parse_args()
log_level = getattr(logging, options.loglevel.upper(), None)
if not isinstance(log_level, int):
raise ValueError('Invalid log level: {}. Can be one of {}'.format(options.loglevel,
log_levels))
logfile = "pypump-shell.log" if options.logfile else None
logging.basicConfig(level=log_level, filename=logfile)
webfinger = options.webfinger
client = Client(
webfinger=webfinger,
name="PyPump Shell",
type="native"
)
sys.stdout.write("-> Setting up PyPump ")
sys.stdout.flush() # actually get it on the screen - most terms wait for \n
try:
pump = PyPump(client=client, verifier_callback=verifier, verify_requests=options.verify)
except requests.exceptions.SSLError:
# This is caused when there has been an invalid certificate.
# We should ask the user if they want to continue (common to use
# self-signed/invalid certificates in dev enviroment).
six.print_("Couldn't validate SSL/TLS certificate for {0}".format(webfinger.split("@", 1)[1]))
answer = None
while answer not in ["y", "n"]:
if answer is not None:
six.print_("Sorry, please type 'y' or 'n' (Ctrl-C to exit).")
answer = raw_input("Would you like to accept the invalid/untrusted certificate (y/n): ").lower()
answer = answer.replace(" ", "")
if answer == "n":
sys.exit(0)
# Create the same PyPump object as above but without ssl verification
pump = PyPump(client=client, verifier_callback=verifier, verify_requests=False)
# bring curser back so banner walks over the setup message
sys.stdout.write("\r")
# drop them into a shell
cfg = Config()
cfg.InteractiveShell.confirm_exit = False
# prep the welcome banner
welcome_banner = welcome_banner.format(
table=ascii_table(
["Variable", "Representation", "Type"],
[
{
"Variable": "pump",
"Representation": str(repr(pump)),
"Type": type(pump).__name__,
},
]
)
)
embed(
config=cfg,
banner1=welcome_banner,
exit_msg="Remeber! Report any bugs to https://github.com/xray7224/PyPump/issues"
)
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