예제 #1
0
파일: fs.py 프로젝트: aviflax/couchdbkit
 def create(self):
     if not os.path.isdir(self.docdir):
         logger.error("%s directory doesn't exist." % self.docdir)
         
     rcfile = os.path.join(self.docdir, '.couchapprc')
     if not os.path.isfile(rcfile):
         utils.write_json(rcfile, {})
     else:
         logger.warning("CouchApp already initialized in %s." % self.docdir)
예제 #2
0
파일: fs.py 프로젝트: aviflax/couchdbkit
def clone(db, docid, dest=None, rev=None):
    """
    Clone a CouchDB document to the fs.
    
    """
    if not dest:
        dest = docid
   
    path = os.path.normpath(os.path.join(os.getcwd(), dest))
    if not os.path.exists(path):
        os.makedirs(path)

    if not rev:
        doc = db.open_doc(docid)
    else:
        doc = db.open_doc(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 = utils.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(utils.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 = utils.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)
                    
                    utils.write_content(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')
                utils.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)
                    utils.write_content(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)
                utils.write_content(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,)):
                    utils.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:])
                            utils.write_content(fieldpath, value)
                        else:
                            utils.write_json(fieldpath + '.json', value)        
                else:
                    value = doc[key]
                    if not isinstance(value, basestring):
                        value = str(value)
                    utils.write_content(filedir, value)

    # save id
    idfile = os.path.join(path, '_id')
    utils.write_content(idfile, doc['_id'])
  
    utils.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 = utils.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) != utils.sign_file(filepath):
                resp = db.fetch_attachment(docid, filename, stream=True)
                with open(filepath, 'wb') as f:
                    for chunk in resp.body_stream():
                        f.write(chunk)
                logger.debug("clone attachment: %s" % filename)
                
    logger.debug("%s/%s cloned in %s" % (db.uri, docid, dest))