On Thu, Apr 23, 2015 at 12:52 PM, Ronan Dunklau <ronan.dunk...@dalibo.com>
wrote:
> Le jeudi 23 avril 2015 10:53:48 Ashesh Vashi a écrit :
>
> > Hi Dave/Ronan,
>
> >
>
> > On Mon, Apr 20, 2015 at 4:10 PM, Dave Page <dp...@pgadmin.org> wrote:
>
> > > On Mon, Apr 20, 2015 at 10:52 AM, Ronan Dunklau
>
> > >
>
> > > <ronan.dunk...@dalibo.com> wrote:
>
> > > >> Ronan; can you update the test, help and about modules as well
> please?
>
> > > >
>
> > > > Done, please find attached a new patch for that. Ashesh, once you're
>
> > >
>
> > > done with
>
> > >
>
> > > > what you are doing now, feel free to ask me for any help needed to
>
> > >
>
> > > integrate
>
> > >
>
> > > > this after the fact.
>
> > >
>
> > > Thanks.
>
> >
>
> > Thanks - It looks good to me.
>
> > (And, attached patch is based on that.)
>
>
>
>
>
> Maybe I'm missing something, but it seems like a "generate_browser_node"
> function is missing:
>
>
>
> File
> "/home/ro/projets/pgadmin4/web/pgadmin/browser/server_groups/__init__.py",
> line 21, in <module>
>
> from pgadmin.browser.utils import generate_browser_node
>
> ImportError: cannot import name generate_browser_node
>
>
>
>
>
> It also brought to my attention that I should have removed the only
> function (register_modules) from pgadmin.browser.utils.
>
Yeah - it is missing.
Please find a separate patch for the utils.
Actually - you removed the web/pgadmin/browser/utils.py, hence - when I
made the patch on top of yours, git detected the file as new file, and did
not include the diff for it.
The attached patch is only for utils file.
--
Thanks & Regards,
Ashesh Vashi
EnterpriseDB INDIA: Enterprise PostgreSQL Company
<http://www.enterprisedb.com>
*http://www.linkedin.com/in/asheshvashi*
<http://www.linkedin.com/in/asheshvashi>
>
> Thank you for integrating my work into your patch !
>
>
> --
>
> Ronan Dunklau
>
> http://dalibo.com - http://dalibo.org
>
diff --git a/web/pgadmin/browser/utils.py b/web/pgadmin/browser/utils.py
new file mode 100644
index 0000000..ec9858a
--- /dev/null
+++ b/web/pgadmin/browser/utils.py
@@ -0,0 +1,181 @@
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2015, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+##########################################################################
+
+"""Browser helper utilities"""
+
+from flask import request
+from flask.views import View, MethodViewType, with_metaclass
+
+
+def generate_browser_node(node_id, label, icon, inode, node_type):
+ return {
+ "id": "%s/%s" % (node_type, node_id),
+ "label": label,
+ "icon": icon,
+ "inode": inode,
+ "_type": node_type,
+ "refid": node_id
+ }
+
+
+class NodeView(with_metaclass(MethodViewType, View)):
+ """
+ A PostgreSQL Object has so many operaions/functions apart from CRUD
+ (Create, Read, Update, Delete):
+ i.e.
+ - Reversed Engineered SQL
+ - Modified Query for parameter while editing object attributes
+ i.e. ALTER TABLE ...
+ - Statistics of the objects
+ - List of dependents
+ - List of dependencies
+ - Listing of the children object types for the certain node
+ It will used by the browser tree to get the children nodes
+
+ This class can be inherited to achieve the diffrent routes for each of the
+ object types/collections.
+
+ OPERATION | URL | Method
+ ---------------+------------------------+--------
+ List | /obj/[Parent URL]/ | GET
+ Properties | /obj/[Parent URL]/id | GET
+ Create | /obj/[Parent URL]/ | POST
+ Delete | /obj/[Parent URL]/id | DELETE
+ Update | /obj/[Parent URL]/id | PUT
+
+ SQL (Reversed | /sql/[Parent URL]/id | GET
+ Engineering) |
+ SQL (Modified | /sql/[Parent URL]/id | POST
+ Properties) |
+
+ Statistics | /stats/[Parent URL]/id | GET
+ Dependencies | /deps/[Parent URL]/id | GET
+ Dependents | /deps/[Parent URL]/id | POST
+
+ Children Nodes | /nodes/[Parent URL]/id | GET
+
+ NOTE:
+ Parent URL can be seen as the path to identify the particular node.
+
+ i.e.
+ In order to identify the TABLE object, we need server -> database -> schema
+ information.
+ """
+ operations = {
+ 'obj': [
+ {'get': 'properties', 'delete': 'delete', 'put': 'update'},
+ {'get': 'list', 'post': 'create'}
+ ],
+ 'nodes': [{'get': 'nodes'}, {}],
+ 'sql': [{'get': 'sql', 'post': 'modified_sql'}, {}],
+ 'stats': [{'get': 'statistics'}, {}],
+ 'deps': [{'get': 'dependencies', 'post': 'dependents'}, {}]
+ }
+
+
+ @classmethod
+ def generate_ops(cls):
+ cmds = []
+ for op in cls.operations:
+ idx=0
+ for ops in cls.operations[op]:
+ meths = []
+ for meth in ops:
+ meths.append(meth.upper())
+ if len(meths) > 0:
+ cmds.append({'cmd': op, 'req':idx==0, 'methods': meths})
+ idx+=1
+
+ return cmds
+
+
+ # Inherited class needs to modify these parameters
+ node_type = None
+ # This must be an array object with attributes (type and id)
+ parent_ids = []
+ # This must be an array object with attributes (type and id)
+ ids = []
+
+
+ @classmethod
+ def get_node_urls(cls):
+ assert cls.node_type is not None, "Please set the node_type for this class (%r)" % cls
+ common_url = '/'
+ for p in cls.parent_ids:
+ common_url += '<' + p['type'] + ":" + p['id'] + '>/'
+
+ id_url = common_url
+ idx = 0
+ for p in cls.ids:
+ id_url += '/<' if idx == 1 else '<' + p['type'] + ":" + p['id'] + '>'
+ idx += 1
+
+ return id_url, common_url
+
+
+ def __init__(self, cmd):
+ self.cmd = cmd;
+
+
+ # Check the existance of all the required arguments from parent_ids
+ # and return combination of has parent arguments, and has id arguments
+ def check_args(self, *args, **kwargs):
+ has_id = has_args = True
+ for p in self.parent_ids:
+ if p['id'] not in kwargs:
+ has_args = False
+ break
+
+ for p in self.ids:
+ if p['id'] not in kwargs:
+ has_id = False
+ break
+
+ return has_args, has_id and has_args
+
+
+ def dispatch_request(self, *args, **kwargs):
+ meth = request.method.lower()
+ if meth == 'head':
+ meth = 'get'
+
+ assert self.cmd in NodeView.operations, \
+ "Unimplemented Command (%s) for Node View" % self.cmd
+ has_args, has_id = self.check_args(*args, **kwargs)
+
+ assert (has_id and meth in NodeView.operations[self.cmd][0]) \
+ or (not has_id and meth in NodeView.operations[self.cmd][1]), \
+ "Unimplemented method (%s) for command (%s), which %s an id" \
+ % (meth, self.cmd, 'requires' if has_id else 'does not require')
+
+ meth = NodeView.operations[self.cmd][0][meth] if has_id else \
+ NodeView.operations[self.cmd][1][meth]
+
+ method = getattr(self, meth, None)
+
+ assert method is not None, \
+ "Unimplemented method (%s) for this url (%u)" % \
+ (meth, request.path)
+
+ return method(*args, **kwargs)
+
+
+ @classmethod
+ def register_node_view(cls, blueprint):
+ id_url, url = cls.get_node_urls()
+
+ commands = cls.generate_ops()
+
+ for c in commands:
+ blueprint.add_url_rule(
+ '/%s%s' % (c['cmd'], id_url if c['req'] else url),
+ view_func=cls.as_view(
+ '%s%s' % (c['cmd'], '_id' if c['req'] else ''),
+ cmd=c['cmd']),
+ methods=c['methods'])
--
Sent via pgadmin-hackers mailing list (pgadmin-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgadmin-hackers
