def resourceLeveling(listActivities, projectResources):
projectDur = projectDuration(listActivities)
listNonCriticalAct = findNonCriticalAct(listActivities)
listResources = buildResources(listActivities, projectDur)
# Calculate totalFloat of each activity and sort by totalFloat
for activity in listNonCriticalAct:
activity.totalFloat = totalFloatLate(activity, projectDur)
firstSortNCA = sorted(listNonCriticalAct, key=lambda activity: activity.totalFloat, reverse=True)
# Sort the activities by finishing time
sortedNCA = sorted(firstSortNCA, key=lambda activity: activity.startTime + activity.duration, reverse=True)
#Initialisation with the current list of resources
minimizedList = listResources
for act in sortedNCA:
if (act.ident == -1 or act.ident == -2):
continue
totalFloat = totalFloatLate(act, projectDur)
# Try every position (sequenciation) available until we reach the end of
# the total float (holgura total)
oldListRSD = evaluateResourceList(minimizedList)
for seq in range(act.startTime + 1, act.startTime + totalFloat + 1):
# Build the list with the new resources
newList = buildNewResourceList(minimizedList, act, seq, projectResources)
if not newList is None:
# If newList is None, it means sequencing the activity at this day
# overuse the resources of the project
# Evaluate the new list of resources
newListRSD = evaluateResourceList(newList)
# If the new sequenciation is better
# The activity startTime and the oldListRSD and minimizedList are updated
if sum(newListRSD) < sum(oldListRSD):
minimizedList = newList
oldListRSD = newListRSD
act.startTime = seq
def analyseActivity(listActivities, act, projectResources):
projectDur = projectDuration(listActivities)
# Build a table of resources per day
listResources = buildResources(listActivities, projectDur)
listDelays = []
print "The activity " + act.name + " is supposed to start the day " + str(act.startTime)
# Processing the total float for each side
totalRightFloat = totalFloatLate(act, projectDur)
totalLeftFloat = totalFloatEarly(act)
print "float on the left = " + str(totalLeftFloat)
print "float on the right = " + str(totalRightFloat)
# We ask the user if he wants to move the activity on the right or
# on the left
while (True):
answer = raw_input("Do you want to move the activity on the right or on the left (L/R):")
if answer == "R" or answer == "L":
break
if answer == "L":
listSeqLeft = [] # List of possible sequenciation
# For each potentiel position, we build a new list of resources
# if the building returns None, it means that this position
# overuse the resources of the project resources
for i in range(act.startTime - totalLeftFloat, act.startTime):
newResList = buildNewResourceList(listResources, act, i, projectResources)
if not newResList is None:
listSeqLeft.append(i)
if len(listSeqLeft) == 0:
print "Sorry you can't delay this activity on the left with the actual resources"
return
else:
print "These are the delays on the left available"
for newDate in listSeqLeft:
print str(act.startTime - newDate) + " days"
listDelays.append(act.startTime - newDate)
while True:
newSeq = input("type the delay that satisfies you (integer) : ")
if newSeq in listDelays:
act.startTime = newSeq
break
else:
listSeqRight = [] # List of posible sequenciation
for i in range(act.startTime + 1, act.startTime + totalRightFloat + 1):
newResList = buildNewResourceList(listResources, act, i, projectResources)
if not newResList is None:
listSeqRight.append(i)
if len(listSeqRight) == 0:
print "Sorry you can't delay this activity on the right with the actual resources"
return
else:
print "These are the delays on the right available"
for newDate in listSeqRight:
print str(newDate - act.startTime) + " days"
listDelays.append(newDate - act.startTime)
while True:
newSeq = input("type the delay that satisfies you (integer) : ")
if newSeq in listDelays:
act.startTime = newSeq
break