mkfake

#!/usr/bin/python3

import os
import random
import shutil
import sys
import tempfile
import yaml

multiVersions=False

def words():
    words = []
    with open("/usr/share/dict/british-english-insane", "rb") as f:
        for line in f:
            line=line.strip()
            if len(line)>2 and line.isalnum() and line.islower():
                words.append(line.decode("utf-8"))
    random.shuffle(words)
    yield from words

rndsrc=words()

def rndservices():
    return [{
        "name": rndword(),
        "description": " ".join(rndwords()),
        "start": rndword(),
        "stop": rndword(),
        "poststop": rndword(),
        "stop-timeout": 30,
        "bus-name": ".".join(rndwords()),
        "forking": not not random.randint(0,1),
    } for i in range(random.randrange(2,5))]

def rndbinaries():
    return [{
        "name": rndword(),
        "exec": rndword(),
    } for i in range(random.randrange(2,5))]

def rndword():
    return next(rndsrc)

def rndwords():
    return [next(rndsrc) for i in range(random.randrange(2,10))]

def pkg(name, version, kind):
    return {
        "name": name,
        "version": version,
        "vendor": "The Random Benchmark Tests Company of Chessington, Plc.",
        "icon": "/some/random/icon/yeah.png",
        "type": kind,
        "architectures": rndwords(),
        "frameworks": rndwords(),
        "services": rndservices(),
        "binaries": rndbinaries(),
        "explicit-license-agreement": False,
        "license-version": 1,
    }


def main(maxN):
    try:
        d=tempfile.mkdtemp(prefix='bnchroot')
        n=0
        while n<maxN:
            name=rndword()
            if random.random() > .3:
                kind="app"
                this=name + "." + rndword()
            else:
                kind="framework"
                this=name
            if multiVersions:
                versions=rndwords()
            else:
                versions=[rndword()]
            for version in versions:
                os.makedirs(os.path.join(d, "var", "lib", "apps", this, version, "canary"))
            versions=versions[-3:]
            for version in versions:
                data=pkg(name, version, kind)
                p=os.path.join(d, "apps", this, version, "meta")
                os.makedirs(p)
                with open(os.path.join(p, "package.yaml"), "w") as f:
                    yaml.dump(data, f, default_flow_style=False)
                with open(os.path.join(p, "hashes.yaml"), "w") as f:
                    pass
                n+=1
                if n>=maxN:
                    break
            os.symlink(random.choice(versions), os.path.join(d, "apps", this, "current"))
        print(d)
    except StopIteration:
        print(d)
    except:
        shutil.rmtree(d)
        raise

if __name__=="__main__":
    if len(sys.argv)>1:
        maxN = int(sys.argv[1])
    else:
        maxN = 100

    main(maxN)