aurweb/support/schema/gendummydata.py
elij 3d3fed6910 wrap long SQL commands to improve formatting and readability
Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
2011-04-12 11:57:31 +02:00

279 lines
8.4 KiB
Python
Executable file

#!/usr/bin/python2
"""
usage: gendummydata.py outputfilename.sql
"""
#
# This script seeds the AUR database with dummy data for
# use during development/testing. It uses random entries
# from /usr/share/dict/words to create user accounts and
# package names. It generates the SQL statements to
# insert these users/packages into the AUR database.
#
import random
import time
import os
import sys
import cStringIO
import commands
import logging
LOG_LEVEL = logging.DEBUG # logging level. set to logging.INFO to reduce output
SEED_FILE = "/usr/share/dict/words"
DB_HOST = os.getenv("DB_HOST", "localhost")
DB_NAME = os.getenv("DB_NAME", "AUR")
DB_USER = os.getenv("DB_USER", "aur")
DB_PASS = os.getenv("DB_PASS", "aur")
USER_ID = 5 # Users.ID of first bogus user
PKG_ID = 1 # Packages.ID of first package
MAX_USERS = 300 # how many users to 'register'
MAX_DEVS = .1 # what percentage of MAX_USERS are Developers
MAX_TUS = .2 # what percentage of MAX_USERS are Trusted Users
MAX_PKGS = 900 # how many packages to load
PKG_FILES = (8, 30) # min/max number of files in a package
PKG_DEPS = (1, 5) # min/max depends a package has
PKG_SRC = (1, 3) # min/max sources a package has
PKG_CMNTS = (1, 5) # min/max number of comments a package has
CATEGORIES_COUNT = 17 # the number of categories from aur-schema
VOTING = (0, .30) # percentage range for package voting
RANDOM_PATHS = ( # random path locations for package files
"/usr/bin", "/usr/lib", "/etc", "/etc/rc.d", "/usr/share", "/lib",
"/var/spool", "/var/log", "/usr/sbin", "/opt", "/usr/X11R6/bin",
"/usr/X11R6/lib", "/usr/libexec", "/usr/man/man1", "/usr/man/man3",
"/usr/man/man5", "/usr/X11R6/man/man1", "/etc/profile.d"
)
RANDOM_TLDS = ("edu", "com", "org", "net", "tw", "ru", "pl", "de", "es")
RANDOM_URL = ("http://www.", "ftp://ftp.", "http://", "ftp://")
RANDOM_LOCS = ("pub", "release", "files", "downloads", "src")
FORTUNE_CMD = "/usr/bin/fortune -l"
# setup logging
logformat = "%(levelname)s: %(message)s"
logging.basicConfig(format=logformat, level=LOG_LEVEL)
log = logging.getLogger()
if len(sys.argv) != 2:
log.error("Missing output filename argument")
raise SystemExit
# make sure the seed file exists
#
if not os.path.exists(SEED_FILE):
log.error("Please install the 'words' Arch package")
raise SystemExit
# track what users/package names have been used
#
seen_users = {}
seen_pkgs = {}
user_keys = []
# some functions to generate random data
#
def genVersion():
ver = []
ver.append("%d" % random.randrange(0,10))
ver.append("%d" % random.randrange(0,20))
if random.randrange(0,2) == 0:
ver.append("%d" % random.randrange(0,100))
return ".".join(ver) + "-u%d" % random.randrange(1,11)
def genCategory():
return random.randrange(1,CATEGORIES_COUNT)
def genUID():
return seen_users[user_keys[random.randrange(0,len(user_keys))]]
# load the words, and make sure there are enough words for users/pkgs
#
log.debug("Grabbing words from seed file...")
fp = open(SEED_FILE, "r")
contents = fp.readlines()
fp.close()
if MAX_USERS > len(contents):
MAX_USERS = len(contents)
if MAX_PKGS > len(contents):
MAX_PKGS = len(contents)
if len(contents) - MAX_USERS > MAX_PKGS:
need_dupes = 0
else:
need_dupes = 1
# select random usernames
#
log.debug("Generating random user names...")
user_id = USER_ID
while len(seen_users) < MAX_USERS:
user = random.randrange(0, len(contents))
word = contents[user].replace("'", "").replace(".","").replace(" ", "_")
word = word.strip().lower()
if not seen_users.has_key(word):
seen_users[word] = user_id
user_id += 1
user_keys = seen_users.keys()
# select random package names
#
log.debug("Generating random package names...")
num_pkgs = PKG_ID
while len(seen_pkgs) < MAX_PKGS:
pkg = random.randrange(0, len(contents))
word = contents[pkg].replace("'", "").replace(".","").replace(" ", "_")
word = word.strip().lower()
if not need_dupes:
if not seen_pkgs.has_key(word) and not seen_users.has_key(word):
seen_pkgs[word] = num_pkgs
num_pkgs += 1
else:
if not seen_pkgs.has_key(word):
seen_pkgs[word] = num_pkgs
num_pkgs += 1
# free up contents memory
#
contents = None
# developer/tu IDs
#
developers = []
trustedusers = []
has_devs = 0
has_tus = 0
# Just let python throw the errors if any happen
#
out = open(sys.argv[1], "w")
out.write("BEGIN;\n")
# Begin by creating the User statements
#
log.debug("Creating SQL statements for users.")
for u in user_keys:
account_type = 1 # default to normal user
if not has_devs or not has_tus:
account_type = random.randrange(1, 4)
if account_type == 3 and not has_devs:
# this will be a dev account
#
developers.append(seen_users[u])
if len(developers) >= MAX_DEVS * MAX_USERS:
has_devs = 1
elif account_type == 2 and not has_tus:
# this will be a trusted user account
#
trustedusers.append(seen_users[u])
if len(trustedusers) >= MAX_TUS * MAX_USERS:
has_tus = 1
else:
# a normal user account
#
pass
s = ("INSERT INTO Users (ID, AccountTypeID, Username, Email, Passwd)"
" VALUES (%d, %d, '%s', '%s@example.com', MD5('%s'));\n")
s = s % (seen_users[u], account_type, u, u, u)
out.write(s)
log.debug("Number of developers: %d" % len(developers))
log.debug("Number of trusted users: %d" % len(trustedusers))
log.debug("Number of users: %d" % (MAX_USERS-len(developers)-len(trustedusers)))
log.debug("Number of packages: %d" % MAX_PKGS)
# Create the package statements
#
log.debug("Creating SQL statements for packages.")
count = 0
for p in seen_pkgs.keys():
NOW = int(time.time())
if count % 2 == 0:
muid = developers[random.randrange(0,len(developers))]
else:
muid = trustedusers[random.randrange(0,len(trustedusers))]
if count % 20 == 0: # every so often, there are orphans...
muid = 0
uuid = genUID() # the submitter/user
if muid == 0:
s = ("INSERT INTO Packages (ID, Name, Version, CategoryID,"
" SubmittedTS, SubmitterUID, MaintainerUID) VALUES"
" (%d, '%s', '%s', %d, %d, %d, NULL);\n")
s = s % (seen_pkgs[p], p, genVersion(), genCategory(), NOW, uuid)
else:
s = ("INSERT INTO Packages (ID, Name, Version, CategoryID,"
" SubmittedTS, SubmitterUID, MaintainerUID) VALUES "
" (%d, '%s', '%s', %d, %d, %d, %d);\n")
s = s % (seen_pkgs[p], p, genVersion(), genCategory(), NOW, uuid, muid)
out.write(s)
count += 1
# create random comments for this package
#
num_comments = random.randrange(PKG_CMNTS[0], PKG_CMNTS[1])
for i in range(0, num_comments):
fortune = commands.getoutput(FORTUNE_CMD).replace("'","")
now = NOW + random.randrange(400, 86400*3)
s = ("INSERT INTO PackageComments (PackageID, UsersID,"
" Comments, CommentTS) VALUES (%d, %d, '%s', %d);\n")
s = s % (seen_pkgs[p], genUID(), fortune, now)
out.write(s)
# Cast votes
#
track_votes = {}
log.debug("Casting votes for packages.")
for u in user_keys:
num_votes = random.randrange(int(len(seen_pkgs)*VOTING[0]),
int(len(seen_pkgs)*VOTING[1]))
pkgvote = {}
for v in range(num_votes):
pkg = random.randrange(1, len(seen_pkgs) + 1)
if not pkgvote.has_key(pkg):
s = ("INSERT INTO PackageVotes (UsersID, PackageID)"
" VALUES (%d, %d);\n")
s = s % (seen_users[u], pkg)
pkgvote[pkg] = 1
if not track_votes.has_key(pkg):
track_votes[pkg] = 0
track_votes[pkg] += 1
out.write(s)
# Update statements for package votes
#
for p in track_votes.keys():
s = "UPDATE Packages SET NumVotes = %d WHERE ID = %d;\n"
s = s % (track_votes[p], p)
out.write(s)
# Create package dependencies and sources
#
log.debug("Creating statements for package depends/sources.")
for p in seen_pkgs.keys():
num_deps = random.randrange(PKG_DEPS[0], PKG_DEPS[1])
this_deps = {}
i = 0
while i != num_deps:
dep = random.randrange(1, len(seen_pkgs) + 1)
if not this_deps.has_key(dep):
s = "INSERT INTO PackageDepends VALUES (%d, %d, NULL);\n"
s = s % (seen_pkgs[p], dep)
out.write(s)
i += 1
num_sources = random.randrange(PKG_SRC[0], PKG_SRC[1])
for i in range(num_sources):
src_file = user_keys[random.randrange(0, len(user_keys))]
src = "%s%s.%s/%s/%s-%s.tar.gz" % (
RANDOM_URL[random.randrange(0,len(RANDOM_URL))],
p, RANDOM_TLDS[random.randrange(0,len(RANDOM_TLDS))],
RANDOM_LOCS[random.randrange(0,len(RANDOM_LOCS))],
src_file, genVersion())
s = "INSERT INTO PackageSources VALUES (%d, '%s');\n"
s = s % (seen_pkgs[p], src)
out.write(s)
# close output file
#
out.write("COMMIT;\n")
out.write("\n")
out.close()
log.debug("Done.")