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Filename : upload_docs.py
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# -*- coding: utf-8 -*-
"""upload_docs

Implements a Distutils 'upload_docs' subcommand (upload documentation to
PyPI's pythonhosted.org).
"""

import os
import socket
import zipfile
import tempfile
import sys
import shutil

from base64 import standard_b64encode
from pkg_resources import iter_entry_points

from distutils import log
from distutils.errors import DistutilsOptionError

try:
    from distutils.command.upload import upload
except ImportError:
    from setuptools.command.upload import upload

from setuptools.compat import httplib, urlparse, unicode, iteritems

_IS_PYTHON3 = sys.version > '3'

if _IS_PYTHON3:
    errors = 'surrogateescape'
else:
    errors = 'strict'


# This is not just a replacement for byte literals
# but works as a general purpose encoder
def b(s, encoding='utf-8'):
    if isinstance(s, unicode):
        return s.encode(encoding, errors)
    return s


class upload_docs(upload):

    description = 'Upload documentation to PyPI'

    user_options = [
        ('repository=', 'r',
         "url of repository [default: %s]" % upload.DEFAULT_REPOSITORY),
        ('show-response', None,
         'display full response text from server'),
        ('upload-dir=', None, 'directory to upload'),
        ]
    boolean_options = upload.boolean_options

    def has_sphinx(self):
        if self.upload_dir is None:
            for ep in iter_entry_points('distutils.commands', 'build_sphinx'):
                return True

    sub_commands = [('build_sphinx', has_sphinx)]

    def initialize_options(self):
        upload.initialize_options(self)
        self.upload_dir = None
        self.target_dir = None

    def finalize_options(self):
        upload.finalize_options(self)
        if self.upload_dir is None:
            if self.has_sphinx():
                build_sphinx = self.get_finalized_command('build_sphinx')
                self.target_dir = build_sphinx.builder_target_dir
            else:
                build = self.get_finalized_command('build')
                self.target_dir = os.path.join(build.build_base, 'docs')
        else:
            self.ensure_dirname('upload_dir')
            self.target_dir = self.upload_dir
        self.announce('Using upload directory %s' % self.target_dir)

    def create_zipfile(self, filename):
        zip_file = zipfile.ZipFile(filename, "w")
        try:
            self.mkpath(self.target_dir)  # just in case
            for root, dirs, files in os.walk(self.target_dir):
                if root == self.target_dir and not files:
                    raise DistutilsOptionError(
                        "no files found in upload directory '%s'"
                        % self.target_dir)
                for name in files:
                    full = os.path.join(root, name)
                    relative = root[len(self.target_dir):].lstrip(os.path.sep)
                    dest = os.path.join(relative, name)
                    zip_file.write(full, dest)
        finally:
            zip_file.close()

    def run(self):
        # Run sub commands
        for cmd_name in self.get_sub_commands():
            self.run_command(cmd_name)

        tmp_dir = tempfile.mkdtemp()
        name = self.distribution.metadata.get_name()
        zip_file = os.path.join(tmp_dir, "%s.zip" % name)
        try:
            self.create_zipfile(zip_file)
            self.upload_file(zip_file)
        finally:
            shutil.rmtree(tmp_dir)

    def upload_file(self, filename):
        f = open(filename, 'rb')
        content = f.read()
        f.close()
        meta = self.distribution.metadata
        data = {
            ':action': 'doc_upload',
            'name': meta.get_name(),
            'content': (os.path.basename(filename), content),
        }
        # set up the authentication
        credentials = b(self.username + ':' + self.password)
        credentials = standard_b64encode(credentials)
        if sys.version_info >= (3,):
            credentials = credentials.decode('ascii')
        auth = "Basic " + credentials

        # Build up the MIME payload for the POST data
        boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
        sep_boundary = b('\n--') + b(boundary)
        end_boundary = sep_boundary + b('--')
        body = []
        for key, values in iteritems(data):
            title = '\nContent-Disposition: form-data; name="%s"' % key
            # handle multiple entries for the same name
            if type(values) != type([]):
                values = [values]
            for value in values:
                if type(value) is tuple:
                    title += '; filename="%s"' % value[0]
                    value = value[1]
                else:
                    value = b(value)
                body.append(sep_boundary)
                body.append(b(title))
                body.append(b("\n\n"))
                body.append(value)
                if value and value[-1:] == b('\r'):
                    body.append(b('\n'))  # write an extra newline (lurve Macs)
        body.append(end_boundary)
        body.append(b("\n"))
        body = b('').join(body)

        self.announce("Submitting documentation to %s" % (self.repository),
                      log.INFO)

        # build the Request
        # We can't use urllib2 since we need to send the Basic
        # auth right with the first request
        schema, netloc, url, params, query, fragments = \
            urlparse(self.repository)
        assert not params and not query and not fragments
        if schema == 'http':
            conn = httplib.HTTPConnection(netloc)
        elif schema == 'https':
            conn = httplib.HTTPSConnection(netloc)
        else:
            raise AssertionError("unsupported schema "+schema)

        data = ''
        loglevel = log.INFO
        try:
            conn.connect()
            conn.putrequest("POST", url)
            conn.putheader('Content-type',
                           'multipart/form-data; boundary=%s'%boundary)
            conn.putheader('Content-length', str(len(body)))
            conn.putheader('Authorization', auth)
            conn.endheaders()
            conn.send(body)
        except socket.error:
            e = sys.exc_info()[1]
            self.announce(str(e), log.ERROR)
            return

        r = conn.getresponse()
        if r.status == 200:
            self.announce('Server response (%s): %s' % (r.status, r.reason),
                          log.INFO)
        elif r.status == 301:
            location = r.getheader('Location')
            if location is None:
                location = 'https://pythonhosted.org/%s/' % meta.get_name()
            self.announce('Upload successful. Visit %s' % location,
                          log.INFO)
        else:
            self.announce('Upload failed (%s): %s' % (r.status, r.reason),
                          log.ERROR)
        if self.show_response:
            print('-'*75, r.read(), '-'*75)