replace print statements with logging module in gendummydata

use the logging module instead of writing directly to stderr
this makes the code cleaner as it removes the numerous tests for the value
of DBUG, yet allows devs to control the level of output verbosity.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

1 files changed, 22 insertions, 40 deletions

diff --git a/support/schema/gendummydata.py b/support/schema/gendummydata.py
index a0899d1..7dc938e 100755
--- a/support/schema/gendummydata.py
+++ b/support/schema/gendummydata.py
@@ -15,9 +15,9 @@ import os
 import sys
 import cStringIO
 import commands
+import logging
 
-
-DBUG      = 1
+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")
@@ -46,15 +46,19 @@ 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:
-	sys.stderr.write("Missing output filename argument");
+	log.error("Missing output filename argument")
 	raise SystemExit
 
 # make sure the seed file exists
 #
 if not os.path.exists(SEED_FILE):
-	sys.stderr.write("Please install the 'words' Arch package\n");
+	log.error("Please install the 'words' Arch package")
 	raise SystemExit
 
 # track what users/package names have been used
@@ -80,7 +84,7 @@ def genUID():
 
 # load the words, and make sure there are enough words for users/pkgs
 #
-if DBUG: print "Grabbing words from seed file..."
+log.debug("Grabbing words from seed file...")
 fp = open(SEED_FILE, "r")
 contents = fp.readlines()
 fp.close()
@@ -95,7 +99,7 @@ else:
 
 # select random usernames
 #
-if DBUG: print "Generating random user names..."
+log.debug("Generating random user names...")
 user_id = USER_ID
 while len(seen_users) < MAX_USERS:
 	user = random.randrange(0, len(contents))
@@ -108,7 +112,7 @@ user_keys = seen_users.keys()
 
 # select random package names
 #
-if DBUG: print "Generating 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))
@@ -141,8 +145,7 @@ out.write("BEGIN;\n")
 
 # Begin by creating the User statements
 #
-if DBUG: print "Creating SQL statements for users.",
-count = 0
+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:
@@ -163,22 +166,18 @@ for u in user_keys:
 			# a normal user account
 			#
 			pass
-	
+
 	s = "INSERT INTO Users (ID, AccountTypeID, Username, Email, Passwd) VALUES (%d, %d, '%s', '%s@example.com', MD5('%s'));\n" % (seen_users[u], account_type, u, u, u)
 	out.write(s)
-	if count % 10 == 0:
-		if DBUG: print ".",
-	count += 1
-if DBUG: print "."
-if DBUG:
-	print "Number of developers:", len(developers)
-	print "Number of trusted users:", len(trustedusers)
-	print "Number of users:", (MAX_USERS-len(developers)-len(trustedusers))
-	print "Number of packages:", MAX_PKGS
+
+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
 #
-if DBUG: print "Creating SQL statements for packages.",
+log.debug("Creating SQL statements for packages.")
 count = 0
 for p in seen_pkgs.keys():
 	NOW = int(time.time())
@@ -199,8 +198,6 @@ for p in seen_pkgs.keys():
 			genCategory(), NOW, uuid, muid)
 
 	out.write(s)
-	if count % 100 == 0:
-		if DBUG: print ".",
 	count += 1
 
 	# create random comments for this package
@@ -212,13 +209,10 @@ for p in seen_pkgs.keys():
 		s = "INSERT INTO PackageComments (PackageID, UsersID, Comments, CommentTS) VALUES (%d, %d, '%s', %d);\n" % (seen_pkgs[p], genUID(), fortune, now)
 		out.write(s)
 
-if DBUG: print "."
-
 # Cast votes
 #
 track_votes = {}
-if DBUG: print "Casting votes for packages.",
-count = 0
+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]))
@@ -232,9 +226,6 @@ for u in user_keys:
 				track_votes[pkg] = 0
 			track_votes[pkg] += 1
 			out.write(s)
-			if count % 100 == 0:
-				if DBUG: print ".",
-			count += 1
 
 # Update statements for package votes
 #
@@ -244,8 +235,7 @@ for p in track_votes.keys():
 
 # Create package dependencies and sources
 #
-if DBUG: print "."; print "Creating statements for package depends/sources.",
-count = 0
+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 = {}
@@ -269,17 +259,9 @@ for p in seen_pkgs.keys():
 				seen_pkgs[p], src)
 		out.write(s)
 
-	if count % 100 == 0:
-		if DBUG: print ".",
-	count += 1
-
-
 # close output file
 #
 out.write("COMMIT;\n")
 out.write("\n")
 out.close()
-
-if DBUG: print "."
-if DBUG: print "Done."
-
+log.debug("Done.")