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Make serve_coffee.py completely independent of calibre

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This commit is contained in:
Kovid Goyal 2012-01-11 11:12:08 +05:30
parent 2d6291e5fc
commit ca03b4cf18
1 changed files with 34 additions and 3 deletions
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37
src/calibre/utils/serve_coffee.py
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@ -53,8 +53,27 @@ def check_qt():
raise RuntimeError('Cannot use Qt in non GUI thread') raise RuntimeError('Cannot use Qt in non GUI thread')
def fork_job(*args, **kwargs): def fork_job(*args, **kwargs):
return import_from_calibre('calibre.utils.ipc.simple_worker').fork_job(*args, try:
return import_from_calibre('calibre.utils.ipc.simple_worker').fork_job(*args,
**kwargs) **kwargs)
except ImportError:
# We aren't running in calibre
import subprocess
raw, filename = kwargs['args']
cs = ''
try:
p = subprocess.Popen([sys.executable, __file__, 'compile', '-'],
stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
if isinstance(raw, unicode):
raw = raw.encode('utf-8')
stdout, stderr = p.communicate(raw)
cs = stdout.decode('utf-8')
errors = [stderr]
except:
errors = [traceback.format_exc()]
return cs, errors
# }}} # }}}
@ -244,6 +263,10 @@ class HTTPRequestHandler(SimpleHTTPRequestHandler): # {{{
# }}} # }}}
class Handler(HTTPRequestHandler): # {{{ class Handler(HTTPRequestHandler): # {{{
class NoCoffee(Exception):
def __init__(self, src):
Exception.__init__(self, src)
self.src = src
'''Server that dynamically compiles coffeescript to javascript and that can '''Server that dynamically compiles coffeescript to javascript and that can
handle aliased resources.''' handle aliased resources.'''
@ -257,7 +280,12 @@ class Handler(HTTPRequestHandler): # {{{
if path.endswith('.coffee'): if path.endswith('.coffee'):
path = path[1:] if path.startswith('/') else path path = path[1:] if path.startswith('/') else path
path = self.special_resources.get(path, path) path = self.special_resources.get(path, path)
raw, mtime = self.compile_coffeescript(path) try:
raw, mtime = self.compile_coffeescript(path)
except Handler.NoCoffee as e:
self.send_error(404, "File not found: %s"%e.src)
return (None, 0, 0)
return self.send_bytes(raw, 'text/javascript', mtime) return self.send_bytes(raw, 'text/javascript', mtime)
if path == '/favicon.ico': if path == '/favicon.ico':
return self.send_bytes(self.FAVICON, 'image/x-icon', 1000.0) return self.send_bytes(self.FAVICON, 'image/x-icon', 1000.0)
@ -276,7 +304,10 @@ class Handler(HTTPRequestHandler): # {{{
sstat = os.stat(src) sstat = os.stat(src)
except: except:
time.sleep(0.01) time.sleep(0.01)
sstat = os.stat(src) try:
sstat = os.stat(src)
except:
raise Handler.NoCoffee(src)
return sstat.st_mtime > dest return sstat.st_mtime > dest
def compile_coffeescript(self, src): def compile_coffeescript(self, src):