Merge branch 'dev'

.gitignore

@@ -1,3 +1,5 @@
+.idea/
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

README.rst

@@ -1,36 +1,68 @@
 An oemof extension to use the oemof related postgis database.
 
-To use this extension you have to have access to the oemof postgis database.
+See `the documentation`_ for more information!
+
+.. _`the documentation`: https://oemofdb.readthedocs.io
+
 
-The oemof code will be released in early 2016 but you can try this extension
-already with the feedinlib. If you are interested to join the oemof database
-project please contact us.
 
 Installation
 ++++++++++++
 
-Clone the repository to your local system.
+Use pypi to install the latest oemof version.
+
+.. code:: bash
+
+  pip3 install oemof
+
+If you want to have the developer version clone the repository by
 
   .. code:: bash
 
     git clone [email protected]:oemof/oemof.db.git
 
-Then you can install it using pip3 with the -e flag.
+and can install it using pip3 with the -e flag.
 
   .. code:: bash
 
     sudo pip3 install -e <path/to/the/oemof.db/repository/root/directory>
 
-
 .. _readme#configuration:
 
-Configuration
-+++++++++++++
+Keep `virtualenvs`_ in mind!
+
+.. _`keyring package`: https://virtualenv.pypa.io
+
+Configuration and usage
++++++++++++++++++++++++
 
 As the purpose of this package is to facilitate usage of the ``oemof``
 database, it needs to know how to connect to this database. Being part of
-``oemof``, ``oemof.db`` looks for this configuration in the file ``config.ini``
-in a directory called ``.oemof`` in your home directory.
+``oemof``, as fallback ``oemof.db`` always looks for this configuration in the
+file ``config.ini`` in a directory called ``.oemof`` in your home directory.
+
+A particular config-file can either specified and accessed via
+
+
+.. code-block:: python
+
+    from oemof.db import cfg
+
+    # only load config file
+    cfg.load_config(config_file=<you-config-file>)
+
+    # access config parameters
+    cfg.get(<section>, <parameter>)
+
+If you're interested in establishing a database connection and specify config
+file connection parameters are stored in use
+
+.. code-block:: python
+
+    from oemof.db import cfg
+
+    # establish database connection with specified section and config_file
+    db.connection(section=<section>, config_file=<you-config-file>)
 
 To configure database access this file has to have at least one dedicated
 section containing the necessary options, like this:
@@ -62,9 +94,3 @@ where ``"database"`` and ``"username"`` have the same values as the
 corresponding options in ``config.ini``.
 
 .. _`keyring package`: https://pypi.python.org/pypi/keyring
-
-Required packages
-+++++++++++++++++
-
-* python3-sqlalchemy
-* python3-keyring

doc/api/modules.rst

@@ -1,10 +1,7 @@
-oemof_pg
-========
+oemof
+=====
 
 .. toctree::
    :maxdepth: 4
 
-   coastdat
-   config
-   db
-   tools
+   oemof

doc/api/oemof.db.rst

@@ -0,0 +1,62 @@
+oemof.db package
+================
+
+Submodules
+----------
+
+oemof.db.coastdat module
+------------------------
+
+.. automodule:: oemof.db.coastdat
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+oemof.db.config module
+----------------------
+
+.. automodule:: oemof.db.config
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+oemof.db.feedin_pg module
+-------------------------
+
+.. automodule:: oemof.db.feedin_pg
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+oemof.db.powerplants module
+---------------------------
+
+.. automodule:: oemof.db.powerplants
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+oemof.db.test_config_changes module
+-----------------------------------
+
+.. automodule:: oemof.db.test_config_changes
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+oemof.db.tools module
+---------------------
+
+.. automodule:: oemof.db.tools
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+
+Module contents
+---------------
+
+.. automodule:: oemof.db
+    :members:
+    :undoc-members:
+    :show-inheritance:

doc/api/oemof.rst

@@ -0,0 +1,17 @@
+oemof package
+=============
+
+Subpackages
+-----------
+
+.. toctree::
+
+    oemof.db
+
+Module contents
+---------------
+
+.. automodule:: oemof
+    :members:
+    :undoc-members:
+    :show-inheritance:

doc/conf.py

@@ -52,17 +52,17 @@
 
 # General information about the project.
 project = u'oemof.db'
-copyright = u'2015, oemof developing group'
+copyright = u'2015-2016, oemof developing group'
 author = u'Uwe Krien, oemof developing group'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = '0.0.8'
+version = '0.0.4'
 # The full version, including alpha/beta/rc tags.
-release = 'beta'
+release = version
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -277,7 +277,7 @@
 epub_title = u'oemof.db'
 epub_author = u'Uwe Krien, oemof developing group'
 epub_publisher = u'oemof developing group'
-epub_copyright = u'2015, oemof developing group'
+epub_copyright = u'2015-2016, oemof developing group'
 
 # The basename for the epub file. It defaults to the project name.
 #epub_basename = u'pahesmf'

doc/whats_new.rst

@@ -8,6 +8,7 @@ These are new features and improvements of note in each release
     :local:
     :backlinks: top
 
+.. include::  whatsnew/v0004.txt
 .. include::  whatsnew/v0003.txt
 .. include::  whatsnew/v0002.txt
 .. include::  whatsnew/v0001.txt

doc/whatsnew/v0004.txt

@@ -0,0 +1,35 @@
+v0.0.4 (December 16, 2016)
+++++++++++++++++++++++++++
+
+New features
+############
+
+ * Create an empty database table with primary key type serial in `tools.py`
+ * Access grant to users/ group of users, see `grant_db_access` in `tools.py`
+ * Additional optional keyword argument to specify config file (`issue #21 <https://github.com/oemof/oemof.db/issues/21>`_)
+ * Ask for password and save store in keyring if not existent (`issue #22 <https://github.com/oemof/oemof.db/issues/22>`_)
+
+
+Documentation
+#############
+
+
+Testing
+#######
+
+
+Bug fixes
+#########
+
+ * Add missing keyrings.alt dependency
+
+
+Other changes
+#############
+
+
+Contributors
+############
+
+ * Guido Pleßmann
+ * Uwe Krien

examples/feedinlib_example_coastdat.py

@@ -1,20 +1,19 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # -*- coding: utf-8
 
 try:
     from matplotlib import pyplot as plt
-    plot_fkt = True
-except:
-    plot_fkt = False
+except ImportError:
+    plt = None
 
 import logging
 from shapely import geometry as geopy
 
-from oemof_pg import db
-from oemof_pg import coastdat
+import oemof.db as db
+from oemof.db import coastdat
 
-from feedinlib import powerplants as plants
-from feedinlib import models
+import feedinlib.powerplants as plants
+import feedinlib.models as models
 
 # Feel free to remove or change these lines
 import warnings
@@ -80,12 +79,14 @@
 year = 2010
 
 conn = db.connection()
-my_weather = coastdat.get_weather(
+my_weather_single = coastdat.get_weather(
     conn, geopy.Point(loc_berlin['longitude'], loc_berlin['latitude']), year)
 
 geo = geopy.Polygon([(12.2, 52.2), (12.2, 51.6), (13.2, 51.6), (13.2, 52.2)])
 multi_weather = coastdat.get_weather(conn, geo, year)
+
 my_weather = multi_weather[0]
+# my_weather = my_weather_single
 
 # Initialise different power plants
 E126_power_plant = plants.WindPowerPlant(**enerconE126)
@@ -101,7 +102,7 @@
 E126_feedin.name = 'E126'
 V90_feedin.name = 'V90'
 
-if plot_fkt:
+if plt:
     E126_feedin.plot(legend=True)
     V90_feedin.plot(legend=True)
     plt.show()
@@ -123,7 +124,7 @@
 pv_feedin5.name = 'Advent'
 
 # Output
-if plot_fkt:
+if plt:
     pv_feedin4.plot(legend=True)
     pv_feedin5.plot(legend=True)
     plt.show()
@@ -135,7 +136,7 @@
 w_model.get_wind_pp_types()
 cp_values = models.SimpleWindTurbine().fetch_cp_values(
     wind_conv_type='ENERCON E 126 7500')
-if plot_fkt:
+if plt:
     plt.plot(cp_values.loc[0, :][2:55].index,
              cp_values.loc[0, :][2:55].values, '*')
     plt.show()