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#!/usr/bin/python2.7
import sys
import os
import re
import sha
from pb.config import *
import pb.lib.utils as utils
LIKE_A_BOSS = "ryz pepper seamonkey JAMES".split(" ")
DEFAULT_FINALFORMAT = "gif"
DB_TAG = "pb";
GRAVITY = "NorthWest North NorthEast West Center East SouthWest South SouthEast".split(" ")
FORMAT = "jpg gif png".split(" ")
COMPOSE = "Over ATop Dst_Over Dst_In Dst_Out Multiply Screen Divide Plus Difference Exclusion "+
"Lighten Darken Overlay Hard_Light Soft_Light Pegtop_Light Linear_Light Vivid_Light Pin_Light "+
"Linear_Dodge Linear_Burn Color_Dodge Color_Burn".split(" ");
class Generate():
def __init__(self, **kwargs):
self.params = {}
self.tag = "im"
self.now = utils.now()
self.files_created = []
self.commands = [];
self._required_keys = [
#{{{ required_keys
#IMAGES
"url",
"background",
#BOOLS
"coalesce",
"dispose",
"nearest",
"merge_early",
"flip",
"flop",
"tile",
"transparent",
#COLORS
"black",
"white",
"subtract",
#INTS
"fuzz",
"width",
"height",
"brightness",
"contrast",
"saturation",
"rotate",
"hue",
#ENUMS
"compose",
"gravity",
"format",
#STRINGS
"name",
"callback",
#}}}
]
for k in self._required_keys:
if k in kwargs:
if k in [ 'url', 'background' ] and utils.bool_correct(kwargs[k]):
self.params[k] = {
'url' : kwargs[k],
'filename' : self._make_tempname(k),
'path' : os.path.join(WORKING_DIR, self._make_tempname(k)) ,
}
try:
utils.download(self.params[k]['url'], self.params[k]['path'])
self.files_created.append(self.params[k]['path'])
self.params[k]['mimetype'] = utils.get_mimetype(self.params[k]['path'])
except Exception:
sys.stderr.write(str(e))
raise Exception ("BAD PARAMS");
elif k in [ 'black', 'white', 'subtract' ]:
try:
self.params[k] = utils.is_color(kwargs[k])
except Exception:
raise Exception("Unable to process color for:\n{}".format(k))
elif k in [
"coalesce", "dispose", "nearest", "merge_early",
"flip", "flop", "tile", "transparent",
]:
self.params[k] = utils.bootl_correct(utils.sanitize(kwargs[k]))
elif k == 'gravity' and self._test_enum(k, GRAVITY):
self.params[k] = kwargs[k]
elif k == 'format' and self._test_enum(k, FORMAT):
self.params[k] = kwargs[k]
elif k == 'compose' and self._test_enum(k, COMPOSE):
self.params[k] = kwargs[k]
elif k in [ "fuzz", "width", "height", "brightness", "contrast", "saturation", "rotate", "hue" ]:
self.params[k] = int(params[k])
else:
self.params[k] = utils.sanitize(kwargs[k])
else:
self.params[k] = None;
self.params = utils.dotdict(self.params)
self.basename = self._get_filename();
if not self.params.format:
self.params.format = DEFAULT_FINALFORMAT
self.filename = "{}.{}".format(self.basename, self.params.format)
#final filepath is stored in self.filepath
self.filepath = os.path.join(WORKING_DIR, self.filename)
def _make_tempname(self, s):
return "PBTMP{}{}".format(self.now, s);
def _test_enum(self, k, arr):
if k in arr:
return True
else:
raise Exception("Bad Param: {}".format(k))
def _get_filename(self):
return "{}_{}_{}".format(
self.tag,
now(),
self.params.username or ""
);
def _call_cmd(self, cmd):
try:
utils.call_cmd(cmd)
self.commands.append(" ".join(cmd));
except Exception:
raise Exception("Unable to call cmd {}".format(str(cmd)))
def _cleanup(self):
if not len(self.files_created):
pass
cmd = ["rm", "-f"] + self.files_created
self._call_cmd(cmd)
def bin_composite (params, bottomdir, bottomfile, topdir, topfile, newfile):
cmd = [BIN_CONVERT]
cmd.append(os.path.join(bottomdir,bottomfile))
cmd.append('null:')
cmd.append(os.path.join(topdir,topfile))
cmd.append("-matte")
cmd.extend(params)
cmd.append("-layers composite")
cmd.append(os.path.join(topdir, newfile))
# g.write("bin_composite command: %s" % (" ".join(cmd)));
os.system(" ".join(cmd))
os.system("rm "+os.path.join(bottomdir,bottomfile)+" "+os.path.join(topdir,topfile))
def bin_convert (directory, params, oldfile, newfile):
cmd = [BIN_CONVERT, os.path.join(directory, oldfile)]
for x in params:
cmd.append(x)
cmd.append(os.path.join(directory,newfile))
os.system(" ".join(cmd))
# g.write("bin_convert command: %s" % (" ".join(cmd)));
os.system("rm "+os.path.join(directory,oldfile))
def _build_cmd(self):
cmd = []
#FIXME test if number
if self.params.rotate: cmd += ["-rotate", self.params.rotate ]
if self.params.flip: cmd += ["-flip"]
if self.params.flop: cmd += ["-flop"]
if param['transparent'] == "true":
tag = "transparent"
if is_number(param['fuzz']) and param['fuzz'] != 0:
cmd.append("-fuzz")
cmd.append(param['fuzz']+"%")
subtract_color = as_color(param['subtract'], "white")
cmd.append("-transparent")
cmd.append(subtract_color)
VALID_DISPOSE_METHODS=["none","previous","background"]
dispose = "None"
if param['width'] is not None and is_number(param['width']):
if int(param['width']) > 1000 and NOT_A_BOSS:
error ("width cannot be greater than 1000")
width = param['width']
if param['height'] is not None and is_number(param['height']):
if int(param['height']) > 1000 and NOT_A_BOSS:
error ("height cannot be greater than 1000")
height = param['height']
if (width or height):
if param['nearest'] == "true":
if format == "gif":
cmd.append("-coalesce")
cmd.append("+map")
cmd.append("-interpolate")
cmd.append("Nearest")
cmd.append("-interpolative-resize")
else:
cmd.append("-resize")
if width and height:
cmd.append(width + "x" + height)
elif width:
cmd.append(width)
elif height:
cmd.append("x" + height)
if param['black'] != "black" or param['white'] != 'white':
try:
black = as_color(param['black'], "black")
white = as_color(param['white'], "white")
cmd.append("+level-colors")
cmd.append(black+","+white)
except ():
pass
if param['contrast'] is not None and is_number(param['contrast']):
cmd.append("-contrast-stretch")
cmd.append(param['contrast'])
pass
if param['brightness'] is not None or param['saturation'] is not None or param['hue'] is not None:
bstring = ''
if is_number(param['brightness']):
bstring += param['brightness']
else:
bstring += "100"
bstring += ','
if is_number(param['contrast']):
bstring += param['contrast']
else:
bstring += "100"
bstring += ','
if is_number(param['hue']):
bstring += param['hue']
if bstring != "100,100,":
cmd.append("-modulate")
cmd.append(bstring)
if bgfile is not None:
tag = param['compose']
gravity = param['gravity']
if gravity not in GRAVITY:
gravity = 'center'
compositefile = "composite_" + newfile
compositeparams = ["-dispose", "None", "-gravity", gravity]
compositeparams.extend([ "-compose", param['compose'] ])
cmd.append( "-coalesce")
bin_convert (WORKING_DIR, cmd, oldfile, compositefile)
bin_composite (compositeparams, WORKING_DIR, bgfile, WORKING_DIR, compositefile, newfile)
insert_cmd(dir, oldfile, newfile, cmd, url, name, tag)
else:
bin_convert(WORKING_DIR, cmd, oldfile, newfile)
insert_cmd(dir, oldfile, newfile, cmd, url, name, tag)
# jsonp callback
if param['callback'] is not None:
url = (BASE_URL+dir+"/"+newfile).replace("'", "\\'")
width, height = bin_identify (WORKING_DIR, newfile)
print param['callback'] + "({"
print "'url':'" + url + "',"
print "'size':" + str(file_size (WORKING_DIR, newfile)) + ","
print "'width':" + width + ","
print "'height':" + height
print "});"
moveToS3(os.path.join(WORKING_DIR, newfile), "im/"+dir+"/"+newfile)
else:
print "#@im"
print ", ".join([k+"="+str(v) for k,v in param.iteritems()])
print " ".join(cmd)
print BASE_URL+dir+"/"+newfile
print file_size (WORKING_DIR, newfile)
print bin_identify (WORKING_DIR, newfile)
moveToS3(os.path.join(WORKING_DIR, newfile), "im/"+dir+"/"+newfile)
#remove(newfile)
g.close()
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