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On demand compilation of coffeescript in the test server

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This commit is contained in:
Kovid Goyal 2011-12-19 12:43:06 +05:30
parent 0ad159b8b1
commit cef64ff0e7
3 changed files with 34 additions and 73 deletions
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4
src/calibre/ebooks/oeb/display/test/test.html
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@ -2,9 +2,9 @@
<html>
<head>
<title>Testing CFI functionality</title>
<script type="text/javascript" src="cfi.js"></script>
<script type="text/javascript" src="../cfi.coffee"></script>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="cfi-test.js"></script>
<script type="text/javascript" src="cfi-test.coffee"></script>
</head>
<body>
<h1 id="first-h1" style="border: solid 1px red">Testing CFI functionality</h1>

4
src/calibre/ebooks/oeb/display/test/test.py
View File

@ -18,8 +18,8 @@ except ImportError:
def run_devel_server():
os.chdir(os.path.dirname(__file__))
serve(['../cfi.coffee', 'cfi-test.coffee'])
os.chdir(os.path.dirname(os.path.abspath(__file__)))
serve()
if __name__ == '__main__':
run_devel_server()

99
src/calibre/utils/coffeescript.py
View File

@ -10,51 +10,21 @@ __docformat__ = 'restructuredtext en'
'''
Utilities to help with developing coffeescript based apps
'''
import time, SimpleHTTPServer, SocketServer, threading, os, subprocess
import time, SimpleHTTPServer, SocketServer, os, subprocess
class Handler(SimpleHTTPServer.SimpleHTTPRequestHandler):
generated_files = set()
def translate_path(self, path):
if path.endswith('jquery.js'):
return P('content_server/jquery.js')
if path.endswith('.coffee'):
return self.compile_coffeescript(path[1:])
return SimpleHTTPServer.SimpleHTTPRequestHandler.translate_path(self,
path)
class Server(threading.Thread):
def __init__(self, port=8000):
threading.Thread.__init__(self)
self.port = port
self.daemon = True
self.httpd = SocketServer.TCPServer(("localhost", port), Handler)
def run(self):
print('serving at localhost:%d'%self.port)
self.httpd.serve_forever()
def end(self):
self.httpd.shutdown()
self.join()
class Compiler(threading.Thread):
def __init__(self, coffee_files):
threading.Thread.__init__(self)
self.daemon = True
if not isinstance(coffee_files, dict):
coffee_files = {x:os.path.splitext(os.path.basename(x))[0]+'.js'
for x in coffee_files}
a = os.path.abspath
self.src_map = {a(x):a(y) for x, y in coffee_files.iteritems()}
self.keep_going = True
def run(self):
while self.keep_going:
for src, dest in self.src_map.iteritems():
if self.newer(src, dest):
self.compile(src, dest)
time.sleep(0.1)
def newer(self, src, dest):
try:
sstat = os.stat(src)
@ -64,42 +34,33 @@ class Compiler(threading.Thread):
return (not os.access(dest, os.R_OK) or sstat.st_mtime >
os.stat(dest).st_mtime)
def compile(self, src, dest):
with open(dest, 'wb') as f:
try:
subprocess.check_call(['coffee', '-c', '-p', src], stdout=f)
except:
print('Compilation of %s failed'%src)
f.seek(0)
f.truncate()
f.write('// Compilation of cofeescript failed')
def compile_coffeescript(self, src):
dest = os.path.splitext(src)[0] + '.js'
self.generated_files.add(dest)
if self.newer(src, dest):
with open(dest, 'wb') as f:
try:
subprocess.check_call(['coffee', '-c', '-p', src], stdout=f)
except:
print('Compilation of %s failed'%src)
f.seek(0)
f.truncate()
f.write('// Compilation of coffeescript failed')
f.write('alert("Compilation of %s failed");'%src)
return dest
def end(self):
self.keep_going = False
self.join()
for x in self.src_map.itervalues():
def serve(port=8000):
httpd = SocketServer.TCPServer(('localhost', port), Handler)
print('serving at localhost:%d'%port)
try:
try:
httpd.serve_forever()
except KeyboardInterrupt:
raise SystemExit(0)
finally:
for x in Handler.generated_files:
try:
os.remove(x)
except:
pass
def serve(coffee_files, port=8000):
ws = Server(port=port)
comp = Compiler(coffee_files)
comp.start()
ws.start()
try:
while True:
time.sleep(1)
if not comp.is_alive() or not ws.is_alive():
print ('Worker failed')
raise SystemExit(1)
except KeyboardInterrupt:
pass
finally:
try:
comp.end()
except:
pass
ws.end()