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Only dynamically compile actually changed coffeescript

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This commit is contained in:
Kovid Goyal 2014-09-21 21:19:48 +05:30
parent 9529fa26dc
commit ef39b9b584
1 changed files with 20 additions and 10 deletions
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30
src/calibre/utils/resources.py
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@ -77,12 +77,15 @@ def get_image_path(path, data=False, allow_user_override=True):
return get_path('images', allow_user_override=allow_user_override)
return get_path('images/'+path, data=data, allow_user_override=allow_user_override)
def _compile_coffeescript(name):
from calibre.utils.serve_coffee import compile_coffeescript
path = (u'/'.join(name.split('.'))) + '.coffee'
def js_name_to_path(name, ext='.coffee'):
path = (u'/'.join(name.split('.'))) + ext
d = os.path.dirname
base = d(d(os.path.abspath(__file__)))
src = os.path.join(base, path)
return os.path.join(base, path)
def _compile_coffeescript(name):
from calibre.utils.serve_coffee import compile_coffeescript
src = js_name_to_path(name)
with open(src, 'rb') as f:
cs, errors = compile_coffeescript(f.read(), src)
if errors:
@ -93,12 +96,19 @@ def _compile_coffeescript(name):
return cs
def compiled_coffeescript(name, dynamic=False):
if dynamic:
return _compile_coffeescript(name)
else:
import zipfile
zipf = get_path('compiled_coffeescript.zip', allow_user_override=False)
with zipfile.ZipFile(zipf, 'r') as zf:
import zipfile
zipf = get_path('compiled_coffeescript.zip', allow_user_override=False)
with zipfile.ZipFile(zipf, 'r') as zf:
if dynamic:
import json
existing_hash = json.loads(zf.comment or '{}').get(name + '.js')
if existing_hash is not None:
import hashlib
with open(js_name_to_path(name), 'rb') as f:
if existing_hash == hashlib.sha1(f.read()).hexdigest():
return zf.read(name + '.js')
return _compile_coffeescript(name)
else:
return zf.read(name+'.js')
__builtin__.__dict__['P'] = get_path