def extract_property(self, path):
'''
Extract the content from ``self.doc``.
Given a listed path in ``self.manifest``, we travel the ``self.doc``.
Assume we have ``views/some_func/map.js`` in our ``self.manifest``
Then, there should exist following struct in ``self.doc``
{
...
"views": {
"some_func": {
"map": "..."
}
}
...
}
:side effect: Remove key from ``self.doc`` if extract sucessfully.
:return: The ``(path, content)`` pair. Note that
if we get path ``a`` and ``{'a': null}``,
then the return will be ``('a', None)``.
If the extraction failed, return ``None``
'''
if not path:
return None
try:
content = self.pop_doc(util.split_path(path), self.doc)
except MissingContent:
logger.warning(
'file {0} listed in mastfest missed content'.format(path))
return None
return (path, content)
def _combine_path(cls, p):
'''
>>> tuple(LocalDoc._combine_path('foo/bar/qaz'))
('foo', 'foo/bar', 'foo/bar/qaz', 'bar', 'bar/qaz', 'qaz')
>>> tuple(LocalDoc._combine_path('/foo/bar/qaz'))
('/foo', '/foo/bar', '/foo/bar/qaz', 'bar', 'bar/qaz', 'qaz')
'''
ls = util.split_path(p)
while ls:
for i in cls._combine_dir(copy(ls)):
yield i
ls.pop(0)
def _combine_path(cls, p):
'''
>>> tuple(LocalDoc._combine_path('foo/bar/qaz'))
('foo', 'foo/bar', 'foo/bar/qaz', 'bar', 'bar/qaz', 'qaz')
>>> tuple(LocalDoc._combine_path('/foo/bar/qaz'))
('/foo', '/foo/bar', '/foo/bar/qaz', 'bar', 'bar/qaz', 'qaz')
'''
ls = util.split_path(p)
while ls:
for i in cls._combine_dir(copy(ls)):
yield i
ls.pop(0)
def locate_attach_dir(self, path):
'''
Map the attachments dir to filesystem path
Note that if we have ``vendor/couchapp/index.html``
in ``_attachments`` section, it should be stored in
``/path/to/app/vendor/couchapp/_attachments/index.html``
:return: the path string,
if the ``path`` not starts with ``vendor``,
return the normal attachment dir
'''
if not path.startswith('vendor'):
return os.path.join(self.path, '_attachments', path)
path = util.split_path(path)
path.insert(2, '_attachments')
return os.path.join(self.path, *path)
def clone(source, dest=None, rev=None):
"""
Clone an application from a design_doc given.
:attr design_doc: dict, the design doc retrieved from couchdb
if something was wrong.
"""
try:
dburl, docid = source.split('_design/')
except ValueError:
raise AppError("%s isn't a valid source" % source)
if not dest:
dest = docid
path = os.path.normpath(os.path.join(os.getcwd(), dest))
if not os.path.exists(path):
os.makedirs(path)
db = client.Database(dburl[:-1], create=False)
if not rev:
doc = db.open_doc("_design/%s" % docid)
else:
doc = db.open_doc("_design/%s" % docid, rev=rev)
docid = doc['_id']
metadata = doc.get('couchapp', {})
# get manifest
manifest = metadata.get('manifest', {})
# get signatures
signatures = metadata.get('signatures', {})
# get objects refs
objects = metadata.get('objects', {})
# create files from manifest
if manifest:
for filename in manifest:
logger.debug("clone property: %s" % filename)
filepath = os.path.join(path, filename)
if filename.endswith('/'):
if not os.path.isdir(filepath):
os.makedirs(filepath)
elif filename == "couchapp.json":
continue
else:
parts = util.split_path(filename)
fname = parts.pop()
v = doc
while 1:
try:
for key in parts:
v = v[key]
except KeyError:
break
# remove extension
last_key, ext = os.path.splitext(fname)
# make sure key exist
try:
content = v[last_key]
except KeyError:
break
if isinstance(content, basestring):
_ref = md5(util.to_bytestring(content)).hexdigest()
if objects and _ref in objects:
content = objects[_ref]
if content.startswith('base64-encoded;'):
content = base64.b64decode(content[15:])
if fname.endswith('.json'):
content = util.json.dumps(content).encode('utf-8')
del v[last_key]
# make sure file dir have been created
filedir = os.path.dirname(filepath)
if not os.path.isdir(filedir):
os.makedirs(filedir)
util.write(filepath, content)
# remove the key from design doc
temp = doc
for key2 in parts:
if key2 == key:
if not temp[key2]:
del temp[key2]
break
temp = temp[key2]
# second pass for missing key or in case
# manifest isn't in app
for key in doc.iterkeys():
if key.startswith('_'):
continue
elif key in ('couchapp'):
app_meta = copy.deepcopy(doc['couchapp'])
if 'signatures' in app_meta:
del app_meta['signatures']
if 'manifest' in app_meta:
del app_meta['manifest']
if 'objects' in app_meta:
del app_meta['objects']
if 'length' in app_meta:
del app_meta['length']
if app_meta:
couchapp_file = os.path.join(path, 'couchapp.json')
util.write_json(couchapp_file, app_meta)
elif key in ('views'):
vs_dir = os.path.join(path, key)
if not os.path.isdir(vs_dir):
os.makedirs(vs_dir)
for vsname, vs_item in doc[key].iteritems():
vs_item_dir = os.path.join(vs_dir, vsname)
if not os.path.isdir(vs_item_dir):
os.makedirs(vs_item_dir)
for func_name, func in vs_item.iteritems():
filename = os.path.join(vs_item_dir, '%s.js' % func_name)
util.write(filename, func)
logger.warning("clone view not in manifest: %s" % filename)
elif key in ('shows', 'lists', 'filter', 'updates'):
showpath = os.path.join(path, key)
if not os.path.isdir(showpath):
os.makedirs(showpath)
for func_name, func in doc[key].iteritems():
filename = os.path.join(showpath, '%s.js' % func_name)
util.write(filename, func)
logger.warning("clone show or list not in manifest: %s" %
filename)
else:
filedir = os.path.join(path, key)
if os.path.exists(filedir):
continue
else:
logger.warning("clone property not in manifest: %s" % key)
if isinstance(doc[key], (
list,
tuple,
)):
util.write_json(filedir + ".json", doc[key])
elif isinstance(doc[key], dict):
if not os.path.isdir(filedir):
os.makedirs(filedir)
for field, value in doc[key].iteritems():
fieldpath = os.path.join(filedir, field)
if isinstance(value, basestring):
if value.startswith('base64-encoded;'):
value = base64.b64decode(content[15:])
util.write(fieldpath, value)
else:
util.write_json(fieldpath + '.json', value)
else:
value = doc[key]
if not isinstance(value, basestring):
value = str(value)
util.write(filedir, value)
# save id
idfile = os.path.join(path, '_id')
util.write(idfile, doc['_id'])
util.write_json(os.path.join(path, '.couchapprc'), {})
if '_attachments' in doc: # process attachments
attachdir = os.path.join(path, '_attachments')
if not os.path.isdir(attachdir):
os.makedirs(attachdir)
for filename in doc['_attachments'].iterkeys():
if filename.startswith('vendor'):
attach_parts = util.split_path(filename)
vendor_attachdir = os.path.join(path, attach_parts.pop(0),
attach_parts.pop(0),
'_attachments')
filepath = os.path.join(vendor_attachdir, *attach_parts)
else:
filepath = os.path.join(attachdir, filename)
filepath = _replace_slash(filepath)
currentdir = os.path.dirname(filepath)
if not os.path.isdir(currentdir):
os.makedirs(currentdir)
if signatures.get(filename) != util.sign(filepath):
resp = db.fetch_attachment(docid, filename)
with open(filepath, 'wb') as f:
for chunk in resp.body_stream():
f.write(chunk)
logger.debug("clone attachment: %s" % filename)
logger.info("%s cloned in %s" % (source, dest))
def clone(source, dest=None, rev=None):
"""
Clone an application from a design_doc given.
:attr design_doc: dict, the design doc retrieved from couchdb
if something was wrong.
"""
try:
dburl, docid = source.split('_design/')
except ValueError:
raise AppError("%s isn't a valid source" % source)
if not dest:
dest = docid
path = os.path.normpath(os.path.join(os.getcwd(), dest))
if not os.path.exists(path):
os.makedirs(path)
db = client.Database(dburl[:-1], create=False)
if not rev:
doc = db.open_doc("_design/%s" % docid)
else:
doc = db.open_doc("_design/%s" % docid, rev=rev)
docid = doc['_id']
metadata = doc.get('couchapp', {})
# get manifest
manifest = metadata.get('manifest', {})
# get signatures
signatures = metadata.get('signatures', {})
# get objects refs
objects = metadata.get('objects', {})
# create files from manifest
if manifest:
for filename in manifest:
logger.debug("clone property: %s" % filename)
filepath = os.path.join(path, filename)
if filename.endswith('/'):
if not os.path.isdir(filepath):
os.makedirs(filepath)
elif filename == "couchapp.json":
continue
else:
parts = util.split_path(filename)
fname = parts.pop()
v = doc
while 1:
try:
for key in parts:
v = v[key]
except KeyError:
break
# remove extension
last_key, ext = os.path.splitext(fname)
# make sure key exist
try:
content = v[last_key]
except KeyError:
break
if isinstance(content, basestring):
_ref = md5(util.to_bytestring(content)).hexdigest()
if objects and _ref in objects:
content = objects[_ref]
if content.startswith('base64-encoded;'):
content = base64.b64decode(content[15:])
if fname.endswith('.json'):
content = util.json.dumps(content).encode('utf-8')
del v[last_key]
# make sure file dir have been created
filedir = os.path.dirname(filepath)
if not os.path.isdir(filedir):
os.makedirs(filedir)
util.write(filepath, content)
# remove the key from design doc
temp = doc
for key2 in parts:
if key2 == key:
if not temp[key2]:
del temp[key2]
break
temp = temp[key2]
# second pass for missing key or in case
# manifest isn't in app
for key in doc.iterkeys():
if key.startswith('_'):
continue
elif key in ('couchapp'):
app_meta = copy.deepcopy(doc['couchapp'])
if 'signatures' in app_meta:
del app_meta['signatures']
if 'manifest' in app_meta:
del app_meta['manifest']
if 'objects' in app_meta:
del app_meta['objects']
if 'length' in app_meta:
del app_meta['length']
if app_meta:
couchapp_file = os.path.join(path, 'couchapp.json')
util.write_json(couchapp_file, app_meta)
elif key in ('views'):
vs_dir = os.path.join(path, key)
if not os.path.isdir(vs_dir):
os.makedirs(vs_dir)
for vsname, vs_item in doc[key].iteritems():
vs_item_dir = os.path.join(vs_dir, vsname)
if not os.path.isdir(vs_item_dir):
os.makedirs(vs_item_dir)
for func_name, func in vs_item.iteritems():
filename = os.path.join(vs_item_dir, '%s.js' % func_name)
util.write(filename, func)
logger.warning("clone view not in manifest: %s" % filename)
elif key in ('shows', 'lists', 'filter', 'update'):
showpath = os.path.join(path, key)
if not os.path.isdir(showpath):
os.makedirs(showpath)
for func_name, func in doc[key].iteritems():
filename = os.path.join(showpath, '%s.js' % func_name)
util.write(filename, func)
logger.warning(
"clone show or list not in manifest: %s" % filename)
else:
filedir = os.path.join(path, key)
if os.path.exists(filedir):
continue
else:
logger.warning("clone property not in manifest: %s" % key)
if isinstance(doc[key], (list, tuple,)):
util.write_json(filedir + ".json", doc[key])
elif isinstance(doc[key], dict):
if not os.path.isdir(filedir):
os.makedirs(filedir)
for field, value in doc[key].iteritems():
fieldpath = os.path.join(filedir, field)
if isinstance(value, basestring):
if value.startswith('base64-encoded;'):
value = base64.b64decode(content[15:])
util.write(fieldpath, value)
else:
util.write_json(fieldpath + '.json', value)
else:
value = doc[key]
if not isinstance(value, basestring):
value = str(value)
util.write(filedir, value)
# save id
idfile = os.path.join(path, '_id')
util.write(idfile, doc['_id'])
util.write_json(os.path.join(path, '.couchapprc'), {})
if '_attachments' in doc: # process attachments
attachdir = os.path.join(path, '_attachments')
if not os.path.isdir(attachdir):
os.makedirs(attachdir)
for filename in doc['_attachments'].iterkeys():
if filename.startswith('vendor'):
attach_parts = util.split_path(filename)
vendor_attachdir = os.path.join(path, attach_parts.pop(0),
attach_parts.pop(0),
'_attachments')
filepath = os.path.join(vendor_attachdir, *attach_parts)
else:
filepath = os.path.join(attachdir, filename)
filepath = _replace_slash(filepath)
currentdir = os.path.dirname(filepath)
if not os.path.isdir(currentdir):
os.makedirs(currentdir)
if signatures.get(filename) != util.sign(filepath):
resp = db.fetch_attachment(docid, filename)
with open(filepath, 'wb') as f:
for chunk in resp.body_stream():
f.write(chunk)
logger.debug("clone attachment: %s" % filename)
logger.info("%s cloned in %s" % (source, dest))
def test_split_path_rel():
'''
Test case for util.split_path with relative path
'''
assert split_path('foo/bar') == ['foo', 'bar']
def test_split_path_abs():
'''
Test case for util.split_path with abs path
'''
path = os.path.realpath('/foo/bar')
assert split_path(path) == [os.path.realpath('/foo'), 'bar']
