| 1 | #--------------------------------------------------------------------------------------
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| 2 |
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| 3 | ## @package mlx.gates
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| 4 | #
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| 5 | # The module to handle the LHBP gate information.
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| 6 | #
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| 7 |
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| 8 | #--------------------------------------------------------------------------------------
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| 9 |
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| 10 | class Gate(object):
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| 11 | """Information about a gate."""
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| 12 | @staticmethod
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| 13 | def fromJSON(data):
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| 14 | """Create the gate from the given JSON data."""
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| 15 | return Gate(data["number"], data["terminal"],
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| 16 | data["type"],
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| 17 | maxSpan = data["maxSpan"],
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| 18 | maxLength = data["maxLength"])
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| 19 |
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| 20 | def __init__(self, number, terminal, type,
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| 21 | availableFn = None, taxiThrough = False,
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| 22 | maxSpan = 0.0, maxLength = 0.0):
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| 23 | """Construct the gate with the given information.
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| 24 |
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| 25 | number is the gate's number as a string (as it can contain letters).
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| 26 | terminal is the terminal the gate belongs to (not used currently).
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| 27 | type is the gate's type: G for gate, S for stand.
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| 28 | availableFn is a function that can determine if the gate is available based on
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| 29 | the statuses of other gates. Its arguments are:
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| 30 | - a collection of the gates, and
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| 31 | - a set of occupied gate numbers."""
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| 32 | self.number = number
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| 33 | self.terminal = terminal
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| 34 | self.type = type
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| 35 | self._availableFn = availableFn
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| 36 | self.taxiThrough = taxiThrough
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| 37 | self.maxSpan = maxSpan
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| 38 | self.maxLength = maxLength
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| 39 |
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| 40 | def isAvailable(self, plane, gates, occupiedGateNumbers):
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| 41 | """Determine if this gate is available for the given plane and the
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| 42 | given the set of gates and occupied gate numbers."""
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| 43 | if self.number in occupiedGateNumbers:
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| 44 | return False
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| 45 | if self._availableFn is None or \
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| 46 | self._availableFn(gates, occupiedGateNumbers):
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| 47 | return plane is None or \
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| 48 | ((self.maxSpan<0.1 or plane.wingSpan <= self.maxSpan) and
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| 49 | (self.maxLength<0.1 or plane.fuselageLength <= self.maxLength) and
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| 50 | (not plane.hasStairs or self.type!="G"))
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| 51 | else:
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| 52 | return False
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| 53 |
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| 54 | def toJSON(self):
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| 55 | """Create a JSON representation of the gate."""
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| 56 | data = {}
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| 57 | for attributeName in ["number", "terminal", "type",
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| 58 | "maxSpan", "maxLength"]:
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| 59 | data[attributeName] = getattr(self, attributeName)
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| 60 | return data
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| 61 |
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| 62 | #--------------------------------------------------------------------------------------
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| 63 |
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| 64 | class Gates(object):
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| 65 | """A collection of gates."""
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| 66 | # Display info type: a gate (number)
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| 67 | DISPLAY_GATE=1
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| 68 |
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| 69 | # Display info type: a space
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| 70 | DISPLAY_SPACE=2
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| 71 |
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| 72 | # Display info type: a new column
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| 73 | DISPLAY_NEW_COLUMN=3
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| 74 |
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| 75 | @staticmethod
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| 76 | def fromJSON(data):
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| 77 | """Create a gates object from the given JSON data."""
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| 78 | gates = Gates()
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| 79 | for gateData in data:
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| 80 | gates.add(Gate.fromJSON(gateData))
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| 81 | return gates
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| 82 |
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| 83 | def __init__(self):
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| 84 | """Construct the gate collection."""
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| 85 | self._gates = []
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| 86 | self._displayInfos = []
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| 87 | self._numColumns = 1
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| 88 | self._numRows = 0
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| 89 | self._numRowsInColumn = 0
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| 90 |
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| 91 | @property
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| 92 | def gates(self):
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| 93 | """Get an iterator over the gates."""
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| 94 | return iter(self._gates)
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| 95 |
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| 96 | @property
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| 97 | def displayInfos(self):
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| 98 | """Get an iterator over the display info tuples.
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| 99 |
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| 100 | Each tuple consists of
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| 101 | - a type (one of the DISPLAY_XXX constants), and
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| 102 | - an additional data (the gate for DISPLAY_GATE, None for others)."""
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| 103 | return iter(self._displayInfos)
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| 104 |
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| 105 | @property
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| 106 | def numRows(self):
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| 107 | """Get the number of rows."""
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| 108 | return self._numRows
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| 109 |
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| 110 | @property
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| 111 | def numColumns(self):
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| 112 | """Get the number of columns."""
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| 113 | return self._numColumns
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| 114 |
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| 115 | def add(self, gate):
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| 116 | """Add a gate to the collection."""
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| 117 | self._gates.append(gate)
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| 118 | self._displayInfos.append((Gates.DISPLAY_GATE, gate))
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| 119 | self._addRow()
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| 120 |
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| 121 | def find(self, gateNumber):
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| 122 | """Find a gate by its number."""
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| 123 | for gate in self._gates:
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| 124 | if gate.number == gateNumber:
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| 125 | return gate
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| 126 |
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| 127 | def addSpace(self):
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| 128 | """Add a space between subsequent gates."""
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| 129 | self._displayInfos.append((Gates.DISPLAY_SPACE, None))
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| 130 | self._addRow()
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| 131 |
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| 132 | def addNewColumn(self):
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| 133 | """Start a new column of gates."""
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| 134 | self._displayInfos.append((Gates.DISPLAY_NEW_COLUMN, None))
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| 135 | self._numRowsInColumn = 0
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| 136 | self._numColumns += 1
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| 137 |
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| 138 | def merge(self, otherGates):
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| 139 | """Merge the information from the given gate list (retrieved from the
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| 140 | MAVA server) into this gate list."""
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| 141 | for otherGate in otherGates.gates:
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| 142 | gate = self.find(otherGate.number)
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| 143 | if gate is None:
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| 144 | print("Received data for gate %s, but it does not exist locally!" %
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| 145 | (otherGate.number,))
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| 146 | else:
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| 147 | if gate.terminal != otherGate.terminal:
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| 148 | print("The terminal for gate %s is received as: %s" %
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| 149 | (gate.number, otherGate.terminal))
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| 150 | gate.terminal = otherGate.terminal
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| 151 | if gate.type != otherGate.type:
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| 152 | print("The type for gate %s is received as: %s" %
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| 153 | (gate.number, otherGate.type))
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| 154 | gate.type = otherGate.type
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| 155 |
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| 156 | gate.maxSpan = otherGate.maxSpan
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| 157 | gate.maxLength = otherGate.maxLength
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| 158 |
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| 159 | for gate in self.gates:
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| 160 | if gate.maxSpan==0.0 or gate.maxLength==0.0:
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| 161 | print("Gate %s has no maximal dimensions from the database" %
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| 162 | (gate.number,))
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| 163 |
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| 164 | def toJSON(self):
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| 165 | """Convert the list of gates into a JSON data."""
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| 166 | return [gate.toJSON() for gate in self._gates]
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| 167 |
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| 168 | def _addRow(self):
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| 169 | """Add a new row."""
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| 170 | self._numRowsInColumn += 1
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| 171 | if self._numRowsInColumn > self._numRows:
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| 172 | self._numRows = self._numRowsInColumn
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| 173 |
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| 174 | #--------------------------------------------------------------------------------------
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| 175 |
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| 176 | def availableIf(occupiedGateNumbers, othersAvailable = []):
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| 177 | """Determine if a gate is available.
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| 178 |
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| 179 | othersAvailable is a list of numbers of gates, that must be available so
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| 180 | that the one we are considering is available."""
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| 181 | for otherNumber in othersAvailable:
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| 182 | if otherNumber in occupiedGateNumbers:
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| 183 | return False
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| 184 | return True
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| 185 |
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| 186 | #--------------------------------------------------------------------------------------
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| 187 |
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| 188 | def getAvailableIf(othersAvailable = []):
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| 189 | """Get a function that determines if a gate is available based on the
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| 190 | statuses of other gates."""
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| 191 | return lambda gates, occupiedGateNumbers: availableIf(occupiedGateNumbers,
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| 192 | othersAvailable =
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| 193 | othersAvailable)
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| 194 |
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| 195 | #--------------------------------------------------------------------------------------
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| 196 |
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| 197 | # The gates at LHBP
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| 198 | lhbpGates = Gates()
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| 199 |
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| 200 | lhbpGates.add(Gate("R101", "1", "S", taxiThrough = True))
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| 201 | lhbpGates.add(Gate("R102", "1", "S"))
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| 202 | lhbpGates.add(Gate("R103", "1", "S"))
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| 203 | lhbpGates.add(Gate("R104", "1", "S",
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| 204 | availableFn = getAvailableIf(othersAvailable = ["R105"])))
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| 205 | lhbpGates.add(Gate("R105", "1", "S",
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| 206 | availableFn = getAvailableIf(othersAvailable = ["R104", "R106"])))
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| 207 | lhbpGates.add(Gate("R106", "1", "S",
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| 208 | availableFn = getAvailableIf(othersAvailable = ["R105", "R108"])))
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| 209 | lhbpGates.add(Gate("R107", "1", "S",
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| 210 | availableFn = getAvailableIf(othersAvailable = ["R108"])))
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| 211 | lhbpGates.add(Gate("R108", "1", "S",
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| 212 | availableFn = getAvailableIf(othersAvailable = ["R106", "R107"])))
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| 213 |
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| 214 | lhbpGates.addSpace()
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| 215 | lhbpGates.add(Gate("R110", "1", "S",
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| 216 | availableFn = getAvailableIf(othersAvailable = ["R111"])))
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| 217 | lhbpGates.add(Gate("R111", "1", "S",
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| 218 | availableFn = getAvailableIf(othersAvailable = ["R110", "R112"])))
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| 219 | lhbpGates.add(Gate("R112", "1", "S",
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| 220 | availableFn = getAvailableIf(othersAvailable = ["R111"])))
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| 221 | lhbpGates.add(Gate("R113", "1", "S",
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| 222 | availableFn = getAvailableIf(othersAvailable = ["R112", "R114"])))
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| 223 | lhbpGates.add(Gate("R114", "1", "S",
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| 224 | availableFn = getAvailableIf(othersAvailable = ["R113"])))
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| 225 | lhbpGates.add(Gate("R115", "1", "S"))
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| 226 | lhbpGates.add(Gate("R116", "1", "S",
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| 227 | availableFn = getAvailableIf(othersAvailable = ["R117"]),
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| 228 | taxiThrough = True))
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| 229 | lhbpGates.add(Gate("R117", "1", "S",
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| 230 | availableFn = getAvailableIf(othersAvailable = ["R116", "R117A"])))
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| 231 | lhbpGates.add(Gate("R117A", "1", "S",
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| 232 | availableFn = getAvailableIf(othersAvailable = ["R116", "R117"])))
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| 233 | lhbpGates.addNewColumn()
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| 234 |
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| 235 | lhbpGates.add(Gate("G150", "1", "S"))
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| 236 | lhbpGates.add(Gate("G151", "1", "S"))
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| 237 | lhbpGates.add(Gate("G152", "1", "S"))
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| 238 | lhbpGates.add(Gate("G153", "1", "S"))
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| 239 | lhbpGates.add(Gate("G154", "1", "S"))
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| 240 | lhbpGates.add(Gate("G155", "1", "S"))
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| 241 |
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| 242 | lhbpGates.addSpace()
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| 243 | lhbpGates.add(Gate("G170", "1", "S", taxiThrough = True))
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| 244 | lhbpGates.add(Gate("G171", "1", "S", taxiThrough = True))
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| 245 | lhbpGates.add(Gate("G172", "1", "S", taxiThrough = True))
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| 246 | lhbpGates.addNewColumn()
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| 247 |
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| 248 | lhbpGates.add(Gate("31", "2B", "G"))
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| 249 | lhbpGates.add(Gate("32", "2B", "G"))
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| 250 | lhbpGates.add(Gate("33", "2B", "G"))
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| 251 | lhbpGates.add(Gate("34", "2B", "G",
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| 252 | availableFn = getAvailableIf(othersAvailable = ["34L", "34R"])))
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| 253 | lhbpGates.add(Gate("34L", "2B", "G",
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| 254 | availableFn = getAvailableIf(othersAvailable = ["34", "34R"])))
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| 255 | lhbpGates.add(Gate("34R", "2B", "G",
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| 256 | availableFn = getAvailableIf(othersAvailable = ["34L", "34"])))
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| 257 | lhbpGates.add(Gate("35", "2B", "G",
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| 258 | availableFn = getAvailableIf(othersAvailable = ["35L", "35R"])))
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| 259 | lhbpGates.add(Gate("35L", "2B", "G",
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| 260 | availableFn = getAvailableIf(othersAvailable = ["35", "35R"])))
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| 261 | lhbpGates.add(Gate("35R", "2B", "G",
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| 262 | availableFn = getAvailableIf(othersAvailable = ["35L", "35"])))
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| 263 | lhbpGates.add(Gate("36", "2B", "G",
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| 264 | availableFn = getAvailableIf(othersAvailable = ["36L", "36R"])))
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| 265 | lhbpGates.add(Gate("36L", "2B", "G",
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| 266 | availableFn = getAvailableIf(othersAvailable = ["36", "36R"])))
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| 267 | lhbpGates.add(Gate("36R", "2B", "G",
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| 268 | availableFn = getAvailableIf(othersAvailable = ["36L", "36"])))
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| 269 | lhbpGates.addSpace()
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| 270 |
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| 271 | lhbpGates.add(Gate("37", "2B", "G"))
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| 272 | lhbpGates.add(Gate("38", "2B", "G"))
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| 273 | lhbpGates.add(Gate("39", "2B", "G",
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| 274 | availableFn = getAvailableIf(othersAvailable = ["37L", "37R"])))
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| 275 | lhbpGates.add(Gate("39L", "2B", "G",
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| 276 | availableFn = getAvailableIf(othersAvailable = ["37", "37R"])))
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| 277 | lhbpGates.add(Gate("39R", "2B", "G",
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| 278 | availableFn = getAvailableIf(othersAvailable = ["37L", "37"])))
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| 279 | lhbpGates.addNewColumn()
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| 280 |
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| 281 | lhbpGates.add(Gate("42", "2A", "G"))
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| 282 | lhbpGates.add(Gate("43", "2A", "G"))
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| 283 | lhbpGates.add(Gate("44", "2A", "G"))
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| 284 | lhbpGates.add(Gate("45", "2A", "G"))
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| 285 | lhbpGates.addSpace()
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| 286 |
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| 287 | lhbpGates.add(Gate("R210", "2A", "S",
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| 288 | availableFn = getAvailableIf(othersAvailable = ["R212A"]),
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| 289 | taxiThrough = True))
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| 290 | lhbpGates.add(Gate("R211", "2A", "S",
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| 291 | availableFn = getAvailableIf(othersAvailable = ["R212A"]),
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| 292 | taxiThrough = True))
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| 293 | lhbpGates.add(Gate("R212", "2A", "S",
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| 294 | availableFn = getAvailableIf(othersAvailable = ["R212A"]),
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| 295 | taxiThrough = True))
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| 296 | lhbpGates.add(Gate("R212A", "2A", "S",
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| 297 | availableFn = getAvailableIf(othersAvailable = ["R210", "R211", "R212"]),
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| 298 | taxiThrough = True))
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| 299 | lhbpGates.addSpace()
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| 300 |
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| 301 | lhbpGates.add(Gate("R220", "2B", "S"))
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| 302 | lhbpGates.add(Gate("R221", "2B", "S"))
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| 303 | lhbpGates.add(Gate("R222", "2B", "S"))
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| 304 | lhbpGates.add(Gate("R223", "2B", "S"))
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| 305 | lhbpGates.addSpace()
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| 306 |
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| 307 | lhbpGates.add(Gate("R224", "2A", "S"))
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| 308 | lhbpGates.add(Gate("R225", "2A", "S"))
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| 309 | lhbpGates.add(Gate("R226", "2A", "S"))
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| 310 | lhbpGates.add(Gate("R227", "2A", "S"))
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| 311 | lhbpGates.addNewColumn()
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| 312 |
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| 313 | lhbpGates.add(Gate("R270", "2A", "S"))
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| 314 | lhbpGates.add(Gate("R271", "2A", "S"))
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| 315 | lhbpGates.add(Gate("R272", "2A", "S"))
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| 316 | lhbpGates.add(Gate("R273", "2A", "S"))
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| 317 | lhbpGates.add(Gate("R274", "2A", "S"))
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| 318 | lhbpGates.add(Gate("R275", "2A", "S"))
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| 319 | lhbpGates.add(Gate("R276", "2A", "S"))
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| 320 | lhbpGates.add(Gate("R277", "2A", "S"))
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| 321 | lhbpGates.add(Gate("R278", "2A", "S",
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| 322 | availableFn = getAvailableIf(othersAvailable = ["R278A"]),
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| 323 | taxiThrough = True))
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| 324 | lhbpGates.add(Gate("R278A", "2A", "S",
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| 325 | availableFn = getAvailableIf(othersAvailable = ["R278", "R279"])))
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| 326 | lhbpGates.add(Gate("R279", "2A", "S",
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| 327 | availableFn = getAvailableIf(othersAvailable = ["R278A"]),
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| 328 | taxiThrough = True))
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