0

Move the check for program availability into class

We also actually execute it now. Go us!
This commit is contained in:
CounterPillow
2014-05-06 20:10:42 +02:00
parent 866c2fe064
commit 8817972b36
2 changed files with 16 additions and 12 deletions

View File

@@ -16,6 +16,7 @@
import os
import subprocess
import shlex
import logging
class Optimizer:
binaryname = ""
@@ -29,6 +30,17 @@ class Optimizer:
def fire_and_forget(self, args):
subprocess.Popen(args, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
def check_availability(self):
path = os.environ.get("PATH").split(os.pathsep)
def exists_in_path(prog):
result = filter(lambda x: os.path.exists(os.path.join(x, prog)), path)
return len(result) != 0
if (not exists_in_path(self.binaryname)) and (not exists_in_path(self.binaryname + ".exe")):
raise Exception("Optimization program '%s' was not found!" % self.binaryname)
class NonAtomicOptimizer(Optimizer):
def cleanup(self, img):
os.rename(img + ".tmp", img)
@@ -91,17 +103,6 @@ class optipng(Optimizer, PNGOptimizer):
Optimizer.fire_and_forget(self, [self.binaryname, "-o" + str(self.olevel), "-quiet", img])
def check_programs(optimizers):
path = os.environ.get("PATH").split(os.pathsep)
def exists_in_path(prog):
result = filter(lambda x: os.path.exists(os.path.join(x, prog)), path)
return len(result) != 0
for opt in optimizers:
if (not exists_in_path(opt.binaryname)) and (not exists_in_path(opt.binaryname + ".exe")):
raise Exception("Optimization program '%s' was not found!" % opt.binaryname)
def optimize_image(imgpath, imgformat, optimizers):
for opt in optimizers:
if imgformat == 'png':