97 lines
3.2 KiB
Python
97 lines
3.2 KiB
Python
import requests as r
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import re
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import json
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from datetime import datetime as dt
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from math import floor
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#IMPORTANT BITS
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###This is the name of the sector you want to search into (Do not use caps!)
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sectorName = "Cleeque"
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### "weights" to query, beware of big results when searching for lighter systems in more dense area
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weightsToQuery = ["h","g","f"]
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### don't touch any of this. Or do, I'm a comment, not a cop.
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postFixList =["AA-A","BA-A","CL-Y","DL-Y","EG-Y","FG-Y","YE-A","ZE-A"]
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###Call to EDSM API, don't run this script too much in a short timeframe.
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def apiCall(systemName):
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systems = r.get("https://www.edsm.net/api-v1/systems", params={'systemName' : systemName})
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return systems
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# takes a sector name, a postfix and a weight, returns list of known systems in EDSM matching that
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def fetchEdsmSystems(sectorName, postFix, weight):
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systemList = []
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pattern = re.compile(f".*{postFix} {weight}.*")
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for system in json.loads(apiCall(sectorName +" "+postFix).content):
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if pattern.match(system['name']):
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systemList.append(system['name'])
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return systemList
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#given a list of systems (assumed to be all the same weight and postfix) returns the maximum value of the integer value in the system name for that list
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def maxSystemValue(systemList):
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currentMax = 0
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pattern = re.compile(f".*[A-Z][A-Z]-[A-Z] [A-Za-z]([0-9]+)")
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for system in systemList:
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val = 0
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match = pattern.match(system)
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val = int(match.group(1))
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if val > currentMax:
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currentMax = val
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return currentMax
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#dict of dict of systems keyed by postfix, keyed by weight ( dict["AA-A"]["g"] gives back all the AA-A GXXX systems)
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sysWeightDict = {}
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#dict of dict of systems maximum value by postfix, keyed by weight ( dict["AA-A"]["g"] gives back the maximum recorded value for X where X is the integer in a system name : AA-A GX)
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sysMaxDict = {}
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#dict of dict of all the systems in a sector keyed by postfix, keyed by weight, used later for substracting EDSM values from ALL systems
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sysCandidates = {}
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#for each weight class, we initialize our dicts with our postfix list
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for weight in weightsToQuery:
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sysWeightDict[weight] = {}
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sysMaxDict[weight] = {}
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sysCandidates[weight] = {}
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#then we populate our dicts with the provided postfix
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for postfix in postFixList:
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sysWeightDict[weight][postfix] = fetchEdsmSystems(sectorName, postfix, weight) # this is reversed from IG "AA-A G"
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sysMaxDict[weight][postfix] = maxSystemValue(sysWeightDict[weight][postfix])
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#now we generate the inverse of the known system list
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# for all systems indexes to the max known index
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sysCandidates[weight][postfix] = []
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for i in range(sysMaxDict[weight][postfix]):
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candidate = f"{sectorName} {postfix} {weight}{i}"
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if candidate not in sysWeightDict[weight][postfix]:
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sysCandidates[weight][postfix].append(candidate)
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print("These are the systems known to EDSM")
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print(sysMaxDict)
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#Finally writes the results to a JSON file.
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with open(f"{floor(dt.now().timestamp())}-{sectorName}-RESULTS-v2.json",'w') as f:
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f.write(json.dumps(sysCandidates, indent=4))
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