roadsideseb/python-colourlovers

Module to use ColourLovers API

python-colourlovers's Issues

Documentation of sources in colourlovers package

README needs better description

The README file only contains examples but is missing basic descriptions and a bit more advanced documentation.

Cannot install package using pip: cannot find CHANGELOG.rst

[portnov]$ pip install python-colourlovers
Downloading/unpacking python-colourlovers
Downloading python-colourlovers-0.1.0.tar.gz
Running setup.py egg_info for package python-colourlovers
Traceback (most recent call last):
File "", line 16, in
File "/tmp/pip_build_portnov/python-colourlovers/setup.py", line 32, in
open('CHANGELOG.rst').read(),
IOError: [Errno 2] No such file or directory: 'CHANGELOG.rst'
Complete output from command python setup.py egg_info:
Traceback (most recent call last):

File "", line 16, in

File "/tmp/pip_build_portnov/python-colourlovers/setup.py", line 32, in

open('CHANGELOG.rst').read(),

IOError: [Errno 2] No such file or directory: 'CHANGELOG.rst'

Deprecation warning at runtime

/usr/local/lib/python2.7/dist-packages/python_colourlovers-0.1.0-py2.7.egg/colourlovers/init.py:139: DeprecationWarning: This method will be removed in future versions. Use 'list(elem)' or iteration over elem instead.
if len(child.getchildren()) == 0:

implement downloading of image and badge images

Patterns, Palettes & Colours include an image and badge URL that points to a PNG file. The API should provide a convenience method to download these images to a location of choice.

Pb with cl.interp on colors scale

In [294]: import colorlover as cl              

In [295]: cl                                   
Out[295]: <module 'colorlover' from '/home/latty/.virtualenvs/screenpulse-unittest/local/lib/python2.7/site-packages/colorlover/__init__.pyc'>                                                

In [296]: colormaps = cl.scales['7']['qual']['Dark2']                                          

In [297]: colormaps                            
Out[297]:                                      
['rgb(27,158,119)',                            
 'rgb(217,95,2)',                              
 'rgb(117,112,179)',                           
 'rgb(231,41,138)',                            
 'rgb(102,166,30)',                            
 'rgb(230,171,2)',                             
 'rgb(166,118,29)']                            

In [298]: cl.interp(colormaps, 11)             
---------------------------------------------------------------------------                    
IndexError                                Traceback (most recent call last)                    
<ipython-input-298-946770f2b787> in <module>() 
----> 1 cl.interp(colormaps, 11)               

/home/latty/.virtualenvs/screenpulse-unittest/local/lib/python2.7/site-packages/colorlover/__init__.pyc in interp(scl, r)                                                                     
   1821         c_i = int(i*math.floor(SCL_FI)/round(r[-1])) # start color index               
   1822         hsl_o = rgb_to_hsl( scl[c_i] ) # convert rgb to hls                            
-> 1823         hsl_f = rgb_to_hsl( scl[c_i+1] )                                               
   1824         section_min = c_i*r[-1]/SCL_FI 
   1825         section_max = (c_i+1)*(r[-1]/SCL_FI)                                           

IndexError: list index out of range            

this bug is not stable, here for example:

In [310]: cl.interp(colormaps, 10)
Out[310]: 
['hsl(162.0, 70.0%, 36.0%)',
 'hsl(70.6666666667, 88.6666666667%, 40.0%)',
 'hsl(72.3333333333, 75.3333333333%, 47.0%)',
 'hsl(167.0, 30.0%, 57.0%)',
 'hsl(275.0, 62.6666666667%, 54.3333333333%)',
 'hsl(248.666666667, 75.6666666667%, 48.0%)',
 'hsl(88.0, 69.0%, 38.0%)',
 'hsl(58.6666666667, 88.3333333333%, 42.6666666667%)',
 'hsl(29.3333333333, 107.666666667%, 47.3333333333%)',
 'hsl(38.0, 70.0%, 38.0%)']

In [311]: cl.interp(colormaps, 11)             
---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
<ipython-input-311-946770f2b787> in <module>() 
----> 1 cl.interp(colormaps, 11)               

/home/latty/.virtualenvs/screenpulse-unittest/local/lib/python2.7/site-packages/colorlover/__init__.pyc in interp(scl, r)
   1821         c_i = int(i*math.floor(SCL_FI)/round(r[-1])) # start color index
   1822         hsl_o = rgb_to_hsl( scl[c_i] ) # convert rgb to hls
-> 1823         hsl_f = rgb_to_hsl( scl[c_i+1] )
   1824         section_min = c_i*r[-1]/SCL_FI
   1825         section_max = (c_i+1)*(r[-1]/SCL_FI)

IndexError: list index out of range

In [312]: cl.interp(colormaps, 15)
---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
<ipython-input-312-e3b4fde92ac0> in <module>()
----> 1 cl.interp(colormaps, 15)

/home/latty/.virtualenvs/screenpulse-unittest/local/lib/python2.7/site-packages/colorlover/__init__.pyc in interp(scl, r)
   1821         c_i = int(i*math.floor(SCL_FI)/round(r[-1])) # start color index
   1822         hsl_o = rgb_to_hsl( scl[c_i] ) # convert rgb to hls
-> 1823         hsl_f = rgb_to_hsl( scl[c_i+1] )
   1824         section_min = c_i*r[-1]/SCL_FI
   1825         section_max = (c_i+1)*(r[-1]/SCL_FI)

IndexError: list index out of range

In [313]: cl.interp(colormaps, 16)
Out[313]: 
['hsl(162.0, 70.0%, 36.0%)',
 'hsl(107.2, 81.2%, 38.4%)',
 'hsl(52.4, 92.4%, 40.8%)',
 'hsl(-2.4, 103.6%, 43.2%)',
 'hsl(110.2, 57.2%, 51.0%)',
 'hsl(167.0, 30.0%, 57.0%)',
 'hsl(223.8, 2.8%, 63.0%)',
 'hsl(296.6, 69.2%, 53.8%)',
 'hsl(361.4, 88.8%, 52.2%)',
 'hsl(426.2, 108.4%, 50.6%)',
 'hsl(88.0, 69.0%, 38.0%)',
 'hsl(-8.4, 65.0%, 32.0%)',
 'hsl(-104.8, 61.0%, 26.0%)',
 'hsl(-201.2, 57.0%, 20.0%)',
 'hsl(17.6, 115.4%, 49.2%)',
 'hsl(0.0, 127.0%, 52.0%)']