Remove shapely dependency

README.rst

@@ -100,7 +100,7 @@ The user can then plot the PV array geometry at any given time of the simulation
 
 .. code:: python
 
-   # Plot pvarray shapely geometries
+   # Plot pvarray geometries
    f, ax = plt.subplots(figsize=(10, 5))
    pvarray.plot_at_idx(1, ax)
    plt.show()
@@ -181,7 +181,6 @@ Requirements are included in the ``requirements.txt`` file of the package. Here
 
 * `numpy <https://pypi.python.org/pypi/numpy>`_
 * `pvlib-python <https://pypi.python.org/pypi/pvlib>`_
-* `shapely <https://pypi.python.org/pypi/Shapely>`_
 
 
 Citing pvfactors

docs/sphinx/developer/index.rst

@@ -4,7 +4,7 @@ Developer API
 =============
 
 This is the class and function reference of pvfactors.
-For clarity and simplicity, all inherited methods and attributes have been removed from the class descriptions as there were often too many irrelevant ones coming from base packages like shapely.
+For clarity and simplicity, all inherited methods and attributes have been removed from the class descriptions as there were often too many irrelevant ones coming from base packages.
 
 .. include:: geometry.rst
 

docs/sphinx/installation/index.rst

@@ -15,18 +15,6 @@ The easiest way to install ``pvfactors`` is using pip_:
 
    $ pip install pvfactors
 
-However, installing ``shapely`` from PyPI may not install all the necessary binary dependencies.
-If you run into an error like ``OSError: [WinError 126] The specified module could not be found``,
-try installing conda from conda-forge with:
-
-.. code-block:: shell
-
-   $ conda install -c conda-forge shapely
-
-Windows users may also be able to resolve the issue by installing wheels from `Christoph Gohlke`_.
-
-.. _Christoph Gohlke: https://www.lfd.uci.edu/~gohlke/pythonlibs/#shapely
-
 
 pvlib implementation
 --------------------

pvfactors/__init__.py

@@ -4,22 +4,5 @@
 import logging
 logging.basicConfig()
 
-try:
-    from shapely.geos import lgeos  # noqa: F401
-except OSError as err:
-    # https://github.com/SunPower/pvfactors/issues/109
-    msg = (
-        "pvfactors encountered an error when importing the shapely package. "
-        "This often happens when a binary dependency is missing because "
-        "shapely was installed from PyPI using pip. Try reinstalling shapely "
-        "from another source like conda-forge with "
-        "`conda install -c conda-forge shapely`, or alternatively from "
-        "Christoph Gohlke's website if you're on Windows: "
-        "https://www.lfd.uci.edu/~gohlke/pythonlibs/#shapely"
-    )
-    err.strerror += "; " + msg
-    raise err
-
-
 class PVFactorsError(Exception):
     pass