# Path: pathpy/Log.py
# class Log:
#     """ A simple logging class, that allows to select what messages should
#         be recorded in the output, and where these message should be directed.
#     """
# 
#     ## the output stream to which log entries will be written
#     output_stream = sys.stdout
# 
#     ## The minimum severity level of messages to be logged
#     min_severity  = Severity.INFO
# 
# 
#     @staticmethod
#     def setMinSeverity(severity):
#         """ Sets the minimum sveerity level a message
#         needs to have in order to be recorded in the output stream.
#         By default, any message which has a severity of at least
#         Severity.INFO will be written to the output stream. All messages
#         with lower priority will be surpressed.
#         """
#         Log.min_severity = severity
# 
# 
#     @staticmethod
#     def setOutputStream(stream):
#         """ Sets the output stream to which all messages will be
#             written. By default, this is sys.stdout, but it can be
#             changed in order to redirect the log to a logfile.
#         """
#         output_stream = stream
# 
# 
#     @staticmethod
#     def add(msg, severity=Severity.INFO):
#         """ Adds a message with the given severity to the log. This message will be written
#             to the log output stream, which by default is sys.stdout. A newline character
#             will be added to the message by default.
#         """
#         if severity >= Log.min_severity:
#             ts = time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime())
#             Log.output_stream.write(ts + ' [' + str(severity) + ']\t' + msg + '\n')
#             Log.output_stream.flush()
# 
# Path: pathpy/Log.py
# class Severity(enum.IntEnum):
#     """ An enumeration that can be used to indicate
#         the severity of log messages, and which can be
#         used tpo filter messages based on severities.
#     """
# 
#     ## Error messages
#     ERROR = 4
# 
#     ## Warning messages
#     WARNING = 3
# 
#     ## Informational messages (default minimum level)
#     INFO = 2
# 
#     ## Messages regarding timing and performance
#     TIMING = 1
# 
#     ## Debug messages (really verbose)
#     DEBUG = 0


import numpy as _np
import sys as _sys
import collections as _co
import bisect as _bs
import datetime as _dt
import time as _t
import pathpy.Paths
        import os as _os
from pathpy.Log import Log
from pathpy.Log import Severity

        ## A list of time-stamped edges of this temporal network
        self.tedges = []        

        ## A list of nodes of this temporal network
        self.nodes = []

        ## A dictionary storing all time-stamped links, indexed by time-stamps
        self.time = _co.defaultdict( lambda: list() )

        ## A dictionary storing all time-stamped links, indexed by time and target node
        self.targets = _co.defaultdict( lambda: dict() )

        ## A dictionary storing all time-stamped links, indexed by time and source node 
        self.sources = _co.defaultdict( lambda: dict() )

        ## A dictionary storing time stamps at which links (v,*;t) originate from node v
        self.activities = _co.defaultdict( lambda: list() )

        ## A dictionary storing sets of time stamps at which links (v,*;t) originate from node v
        ## Note that the insertion into a set is much faster than repeatedly checking whether 
        ## an element already exists in a list!
        self.activities_sets = _co.defaultdict( lambda: set() )

        ## An ordered list of time-stamps
        self.ordered_times = []        

        nodes_seen = _co.defaultdict( lambda:False )

        if tedges is not None:

# Path: pathpy/Log.py
# class Log:
#     """ A simple logging class, that allows to select what messages should
#         be recorded in the output, and where these message should be directed.
#     """
# 
#     ## the output stream to which log entries will be written
#     output_stream = sys.stdout
# 
#     ## The minimum severity level of messages to be logged
#     min_severity  = Severity.INFO
# 
# 
#     @staticmethod
#     def setMinSeverity(severity):
#         """ Sets the minimum sveerity level a message
#         needs to have in order to be recorded in the output stream.
#         By default, any message which has a severity of at least
#         Severity.INFO will be written to the output stream. All messages
#         with lower priority will be surpressed.
#         """
#         Log.min_severity = severity
# 
# 
#     @staticmethod
#     def setOutputStream(stream):
#         """ Sets the output stream to which all messages will be
#             written. By default, this is sys.stdout, but it can be
#             changed in order to redirect the log to a logfile.
#         """
#         output_stream = stream
# 
# 
#     @staticmethod
#     def add(msg, severity=Severity.INFO):
#         """ Adds a message with the given severity to the log. This message will be written
#             to the log output stream, which by default is sys.stdout. A newline character
#             will be added to the message by default.
#         """
#         if severity >= Log.min_severity:
#             ts = time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime())
#             Log.output_stream.write(ts + ' [' + str(severity) + ']\t' + msg + '\n')
#             Log.output_stream.flush()
# 
# Path: pathpy/Log.py
# class Severity(enum.IntEnum):
#     """ An enumeration that can be used to indicate
#         the severity of log messages, and which can be
#         used tpo filter messages based on severities.
#     """
# 
#     ## Error messages
#     ERROR = 4
# 
#     ## Warning messages
#     WARNING = 3
# 
#     ## Informational messages (default minimum level)
#     INFO = 2
# 
#     ## Messages regarding timing and performance
#     TIMING = 1
# 
#     ## Debug messages (really verbose)
#     DEBUG = 0


# Path: pathpy/TemporalNetwork.py
import numpy as _np
import sys as _sys
import collections as _co
import bisect as _bs
import datetime as _dt
import time as _t
import pathpy.Paths
        import os as _os
from pathpy.Log import Log
from pathpy.Log import Severity


        ## A list of time-stamped edges of this temporal network
        self.tedges = []        

        ## A list of nodes of this temporal network
        self.nodes = []

        ## A dictionary storing all time-stamped links, indexed by time-stamps
        self.time = _co.defaultdict( lambda: list() )

        ## A dictionary storing all time-stamped links, indexed by time and target node
        self.targets = _co.defaultdict( lambda: dict() )

        ## A dictionary storing all time-stamped links, indexed by time and source node 
        self.sources = _co.defaultdict( lambda: dict() )

        ## A dictionary storing time stamps at which links (v,*;t) originate from node v
        self.activities = _co.defaultdict( lambda: list() )

        ## A dictionary storing sets of time stamps at which links (v,*;t) originate from node v
        ## Note that the insertion into a set is much faster than repeatedly checking whether 
        ## an element already exists in a list!
        self.activities_sets = _co.defaultdict( lambda: set() )

        ## An ordered list of time-stamps
        self.ordered_times = []        

        nodes_seen = _co.defaultdict( lambda:False )

        if tedges is not None:

            Log.add('Building index data structures ...')