def optimizeFile(self,
file,
callback,
minimize=False,
new_path=None,
prepend="opt"):
"""optimizes a single file
Arguments:
file -- path to file
callback -- function to run the file through
minimize -- whether or not we should minimize the file contents (html)
prepend -- what extension to prepend
Returns:
void
"""
content = callback(file)
if new_path is None:
new_path = Util.prependExtension(prepend, file)
if minimize is True:
self.output("minimizing " + file)
content = self.minimize(content)
self.output("optimizing " + file + " to " + new_path)
Util.filePutContents(new_path, content)
if self.config.show_savings:
SizeTracker.trackFile(file, new_path)
def optimizeJsManifest(self):
contents = Util.fileGetContents(self.config.js_manifest)
for key, value in self.manifest_ids.items():
if "#" + value in self.id_map:
contents = re.sub(r'((?<!\$)\${1}[A-Z0-9_]+\s?=\s?[\'|\"])(' + value + ')([\'|\"][,|;])', r'\1' + self.id_map["#" + value].replace("#", "") + r'\3', contents)
for key, value in self.manifest_classes.items():
if "." + value in self.class_map:
contents = re.sub(r'(\${2}[A-Z0-9_]+\s?=\s?[\'|\"])(' + value + ')([\'|\"][,|;])', r'\1' + self.class_map["." + value].replace(".", "") + r'\3', contents)
if self.config.rewrite_constants:
constants = re.findall(r'(\s+?(var\s)?([A-Z0-9_]+)\s?=\s?[\'|\"](.*?)[\'|\"][,|;])', contents)
new_constants = {}
i = 0
for constant in constants:
# underscore variables are ignored
if constant[2][0] == "_":
continue
i += 1
new_constant = re.sub(r'=(.*)([,|;])','= ' + str(i) + r'\2', constant[0])
contents = contents.replace(constant[0], new_constant)
new_manifest = Util.prependExtension("opt", self.config.js_manifest)
Util.filePutContents(new_manifest, contents)
if self.config.show_savings:
SizeTracker.trackFile(self.config.js_manifest, new_manifest)
def optimizeJsManifest(self):
contents = Util.fileGetContents(self.config.js_manifest)
for key, value in self.manifest_ids.items():
if "#" + value in self.id_map:
contents = re.sub(r'((?<!\$)\${1}[A-Z0-9_]+\s?=\s?[\'|\"])(' + value + ')([\'|\"][,|;])', r'\1' + self.id_map["#" + value].replace("#", "") + r'\3', contents)
for key, value in self.manifest_classes.items():
if "." + value in self.class_map:
contents = re.sub(r'(\${2}[A-Z0-9_]+\s?=\s?[\'|\"])(' + value + ')([\'|\"][,|;])', r'\1' + self.class_map["." + value].replace(".", "") + r'\3', contents)
if self.config.rewrite_constants:
constants = re.findall(r'(\s+?(var\s)?([A-Z0-9_]+)\s?=\s?[\'|\"](.*?)[\'|\"][,|;])', contents)
new_constants = {}
i = 0
for constant in constants:
# underscore variables are ignored
if constant[2][0] == "_":
continue
i += 1
new_constant = re.sub(r'=(.*)([,|;])','= ' + str(i) + r'\2', constant[0])
contents = contents.replace(constant[0], new_constant)
new_manifest = Util.prependExtension("opt", self.config.js_manifest)
Util.filePutContents(new_manifest, contents)
if self.config.show_savings:
SizeTracker.trackFile(self.config.js_manifest, new_manifest)
def savings():
percent = 100 - (float(SizeTracker.new_size) / float(SizeTracker.original_size)) * 100
gzip_percent = 100 - (float(SizeTracker.new_size_gzip) / float(SizeTracker.original_size_gzip)) * 100
string = "\noriginal size: " + SizeTracker.getSize(SizeTracker.original_size) + " (" + SizeTracker.getSize(SizeTracker.original_size_gzip) + " gzipped)"
string += "\nmunched size: " + SizeTracker.getSize(SizeTracker.new_size) + " (" + SizeTracker.getSize(SizeTracker.new_size_gzip) + " gzipped)"
string += "\n saved " + str(round(percent, 2)) + "% off the original size (" + str(round(gzip_percent, 2)) + "% off the gzipped size)\n"
return string
def savings():
percent = 100 - (float(SizeTracker.new_size) /
float(SizeTracker.original_size)) * 100
gzip_percent = 100 - (float(SizeTracker.new_size_gzip) /
float(SizeTracker.original_size_gzip)) * 100
string = "\noriginal size: " + SizeTracker.getSize(
SizeTracker.original_size) + " (" + SizeTracker.getSize(
SizeTracker.original_size_gzip) + " gzipped)"
string += "\nmunched size: " + SizeTracker.getSize(
SizeTracker.new_size) + " (" + SizeTracker.getSize(
SizeTracker.new_size_gzip) + " gzipped)"
string += "\n saved " + str(round(
percent, 2)) + "% off the original size (" + str(
round(gzip_percent, 2)) + "% off the gzipped size)\n"
return string
def optimizeFile(self, file, callback, minimize = False, new_path = None, prepend = "opt"):
"""optimizes a single file
Arguments:
file -- path to file
callback -- function to run the file through
minimize -- whether or not we should minimize the file contents (html)
prepend -- what extension to prepend
Returns:
void
"""
content = callback(file)
if new_path is None:
new_path = Util.prependExtension(prepend, file)
if minimize is True:
self.output("minimizing " + file)
content = self.minimize(content)
self.output("optimizing " + file + " to " + new_path)
Util.filePutContents(new_path, content)
if self.config.show_savings:
SizeTracker.trackFile(file, new_path)
def run(self):
"""runs the optimizer and does all the magic
Returns:
void
"""
self.output("searching for classes and ids...", False)
if self.config.js_manifest is not None:
self.outputJsWarnings()
self.processCss()
self.processViews()
if self.config.js_manifest is None:
self.processJs()
else:
self.processJsManifest()
self.output("mapping classes and ids to new names...", False)
# maps all classes and ids found to shorter names
self.processMaps()
# optimize everything
self.output("munching css files...", False)
self.optimizeFiles(self.config.css, self.optimizeCss)
self.output("munching html files...", False)
self.optimizeFiles(self.config.views, self.optimizeHtml,
self.config.view_extension,
self.config.compress_html)
self.output("munching js files...", False)
if self.config.js_manifest is None:
self.optimizeFiles(self.config.js, self.optimizeJavascript)
else:
self.optimizeJsManifest()
self.output("done", False)
if self.config.show_savings:
self.output(SizeTracker.savings(), False)
def run(self):
"""runs the optimizer and does all the magic
Returns:
void
"""
self.output("searching for classes and ids...", False)
if self.config.js_manifest is not None:
self.outputJsWarnings()
self.processCss()
self.processViews()
if self.config.js_manifest is None:
self.processJs()
else:
self.processJsManifest()
self.output("mapping classes and ids to new names...", False)
# maps all classes and ids found to shorter names
self.processMaps()
# optimize everything
self.output("munching css files...", False)
self.optimizeFiles(self.config.css, self.optimizeCss)
self.output("munching html files...", False)
self.optimizeFiles(self.config.views, self.optimizeHtml, self.config.view_extension, self.config.compress_html)
self.output("munching js files...", False)
if self.config.js_manifest is None:
self.optimizeFiles(self.config.js, self.optimizeJavascript)
else:
self.optimizeJsManifest()
self.output("done", False)
if self.config.show_savings:
self.output(SizeTracker.savings(), False)
def trackFile(path, new_path):
SizeTracker.addSize(path)
SizeTracker.addSize(new_path, True)
def trackFile(path, new_path):
SizeTracker.addSize(path)
SizeTracker.addSize(new_path, True)
