# Scrapy setup.py script 
#
# Most of the code here was taken from Django setup.py

from distutils.core import setup
from distutils.command.install_data import install_data
from distutils.command.install import INSTALL_SCHEMES
import os
import sys

class osx_install_data(install_data):
    # On MacOS, the platform-specific lib dir is /System/Library/Framework/Python/.../
    # which is wrong. Python 2.5 supplied with MacOS 10.5 has an Apple-specific fix
    # for this in distutils.command.install_data#306. It fixes install_lib but not
    # install_data, which is why we roll our own install_data class.

    def finalize_options(self):
        # By the time finalize_options is called, install.install_lib is set to the
        # fixed directory, so we set the installdir to install_lib. The
        # install_data class uses ('install_data', 'install_dir') instead.
        self.set_undefined_options('install', ('install_lib', 'install_dir'))
        install_data.finalize_options(self)

if sys.platform == "darwin":
    cmdclasses = {'install_data': osx_install_data}
else:
    cmdclasses = {'install_data': install_data}

def fullsplit(path, result=None):
    """
    Split a pathname into components (the opposite of os.path.join) in a
    platform-neutral way.
    """
    if result is None:
        result = []
    head, tail = os.path.split(path)
    if head == '':
        return [tail] + result
    if head == path:
        return result
    return fullsplit(head, [tail] + result)

# Tell distutils to put the data_files in platform-specific installation
# locations. See here for an explanation:
# http://groups.google.com/group/comp.lang.python/browse_thread/thread/35ec7b2fed36eaec/2105ee4d9e8042cb
for scheme in INSTALL_SCHEMES.values():
    scheme['data'] = scheme['purelib']

# Compile the list of packages available, because distutils doesn't have
# an easy way to do this.
packages, data_files = [], []
root_dir = os.path.dirname(__file__)
if root_dir != '':
    os.chdir(root_dir)
scrapy_dir = 'scrapy'

# Generate dropin.cache for spiders under tests
# if dropin.cache is missing, running tests under python site-packages fails with permission errors
import os
os.environ['SCRAPY_SETTINGS_DISABLED']='1'
from twisted.plugin import getPlugins, IPlugin
import scrapy.tests.test_spiders
list(getPlugins(IPlugin, scrapy.tests.test_spiders))

def is_not_module(filename):
    return os.path.splitext(f)[1] not in ['.py', '.pyc', '.pyo']

for dirpath, dirnames, filenames in os.walk(scrapy_dir):
    # Ignore dirnames that start with '.'
    for i, dirname in enumerate(dirnames):
        if dirname.startswith('.'): del dirnames[i]
    if '__init__.py' in filenames:
        packages.append('.'.join(fullsplit(dirpath)))
        data = [f for f in filenames if is_not_module(f)]
        if data:
            data_files.append([dirpath, [os.path.join(dirpath, f) for f in data]])
    elif filenames:
        data_files.append([dirpath, [os.path.join(dirpath, f) for f in filenames]])

# Small hack for working with bdist_wininst.
# See http://mail.python.org/pipermail/distutils-sig/2004-August/004134.html
if len(sys.argv) > 1 and sys.argv[1] == 'bdist_wininst':
    for file_info in data_files:
        file_info[0] = '\\PURELIB\\%s' % file_info[0]

# Dynamically calculate the version based on scrapy.__version__
version = __import__('scrapy').__version__
if u'SVN' in version:
    version = ' '.join(version.split(' ')[:-1])

setup(
    name = 'Scrapy',
    version = version,
    url = 'http://scrapy.org',
    download_url = "http://scrapy.org/releases/scrapy-0.7.0.tar.gz",
    description = 'A high-level Python Screen Scraping framework',
    long_description = 'Scrapy is a high level scraping and web crawling framework for writing spiders to crawl and parse web pages for all kinds of purposes, from information retrieval to monitoring or testing web sites.',
    author = 'Scrapy developers',
    author_email = '',
    license = 'BSD',
    packages = packages,
    cmdclass = cmdclasses,
    data_files = data_files,
    scripts = ['bin/scrapy-ctl.py'],
)