Initial import

This commit is contained in:
Sayamindu Dasgupta 2013-06-13 14:43:47 -04:00
parent 8fd756ebe6
commit 4a4e05a72b
2 changed files with 89 additions and 0 deletions
python/libscratchproject

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from project import _Project as Project

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import os
import simplejson
from collections import namedtuple
PROJECT_DIR_PREFIX='/nfsmount/projectstore'
VERSION_DIR_PREFIX='/nfsmount/versionstore'
def calculate_project_dirpath(prefix, project_id):
project_id = str(project_id)
s = project_id.rjust(9, '0')
path = os.path.join(prefix, s[0:2],s[2:4],s[4:6],s[6:8],s[8:])
return path
class BaseObj(object):
def __init__(self, info_dict):
self._d = info_dict
def __getattr__(self, name):
if self._d.has_key(name):
return self._d[name]
else:
raise AttributeError
class ScratchObj(BaseObj):
def __init__(self, info_dict):
BaseObj.__init__(self, info_dict)
@property
def variables(self):
return [ScratchDataStructureObj(x) for x in self._d['variables']]
class ScratchMediaObj(BaseObj):
def __init__(self, info_dict):
BaseObj.__init__(self, info_dict)
class ScratchDataStructureObj(BaseObj):
def __init__(self, info_dict):
BaseObj.__init__(self, info_dict)
class Sprite(ScratchObj):
def __init__(self, sprite_dict):
ScratchObj.__init__(self, sprite_dict)
@property
def spriteInfo(self):
return namedtuple('SpriteInfo',
self._d['info'].keys())(**(self._d['info']))
@property
def costumes(self):
return [ScratchMediaObj(x) for x in self._d['costumes']]
@property
def sounds(self):
return [ScratchMediaObj(x) for x in self._d['sounds']]
class _Project(ScratchObj):
def __init__(self, project_id, load_versions=False):
filepath = \
os.path.join(calculate_project_dirpath(PROJECT_DIR_PREFIX,
project_id), 'LATEST')
with open(filepath) as fp:
d = simplejson.loads(fp.read())
ScratchObj.__init__(self, d)
@property
def info(self):
return namedtuple('ProjectInfo',
self._d['info'].keys())(**(self._d['info']))
@property
def children(self):
def convertChild(child):
if child.has_key('spriteInfo'):
return Sprite(child)
else:
return BaseObj(child)
return [convertChild(child) for child in self._d['children']]
@property
def sprites(self):
return [Sprite(x) for x in self._d['children']]