[Patch #658094 ] PEP 301 implementation
   Add the 'register' distutils command
diff --git a/Lib/distutils/command/register.py b/Lib/distutils/command/register.py
new file mode 100644
index 0000000..6920d1d
--- /dev/null
+++ b/Lib/distutils/command/register.py
@@ -0,0 +1,293 @@
+"""distutils.command.register
+
+Implements the Distutils 'register' command (register with the repository).
+"""
+
+# created 2002/10/21, Richard Jones
+
+__revision__ = "$Id$"
+
+import sys, os, string, urllib2, getpass, urlparse
+import StringIO, ConfigParser
+
+from distutils.core import Command
+from distutils.errors import *
+
+class register(Command):
+
+    description = "register the distribution with the repository"
+
+    # XXX must update this to python.org before 2.3final!
+    DEFAULT_REPOSITORY = 'http://www.amk.ca/cgi-bin/pypi.cgi'
+
+    user_options = [
+        ('repository=', 'r',
+         "url of repository [default: %s]"%DEFAULT_REPOSITORY),
+        ('verify', None,
+         'verify the package metadata for correctness'),
+        ('list-classifiers', None,
+         'list the valid Trove classifiers'),
+        ('verbose', None,
+         'display full response from server'),
+        ]
+    boolean_options = ['verify', 'verbose', 'list-classifiers']
+
+    def initialize_options(self):
+        self.repository = None
+        self.verify = 0
+        self.verbose = 0
+        self.list_classifiers = 0
+
+    def finalize_options(self):
+        if self.repository is None:
+            self.repository = self.DEFAULT_REPOSITORY
+
+    def run(self):
+        self.check_metadata()
+        if self.verify:
+            self.verify_metadata()
+        elif self.list_classifiers:
+            self.classifiers()
+        else:
+            self.send_metadata()
+
+    def check_metadata(self):
+        """Ensure that all required elements of meta-data (name, version,
+           URL, (author and author_email) or (maintainer and
+           maintainer_email)) are supplied by the Distribution object; warn if
+           any are missing.
+        """
+        metadata = self.distribution.metadata
+
+        missing = []
+        for attr in ('name', 'version', 'url'):
+            if not (hasattr(metadata, attr) and getattr(metadata, attr)):
+                missing.append(attr)
+
+        if missing:
+            self.warn("missing required meta-data: " +
+                      string.join(missing, ", "))
+
+        if metadata.author:
+            if not metadata.author_email:
+                self.warn("missing meta-data: if 'author' supplied, " +
+                          "'author_email' must be supplied too")
+        elif metadata.maintainer:
+            if not metadata.maintainer_email:
+                self.warn("missing meta-data: if 'maintainer' supplied, " +
+                          "'maintainer_email' must be supplied too")
+        else:
+            self.warn("missing meta-data: either (author and author_email) " +
+                      "or (maintainer and maintainer_email) " +
+                      "must be supplied")
+
+    def classifiers(self):
+        ''' Fetch the list of classifiers from the server.
+        '''
+        response = urllib2.urlopen(self.repository+'?:action=list_classifiers')
+        print response.read()
+
+    def verify_metadata(self):
+        ''' Send the metadata to the package index server to be checked.
+        '''
+        # send the info to the server and report the result
+        (code, result) = self.post_to_server(self.build_post_data('verify'))
+        print 'Server response (%s): %s'%(code, result)
+
+    def send_metadata(self):
+        ''' Send the metadata to the package index server.
+
+            Well, do the following:
+            1. figure who the user is, and then
+            2. send the data as a Basic auth'ed POST.
+
+            First we try to read the username/password from $HOME/.pypirc,
+            which is a ConfigParser-formatted file with a section
+            [server-login] containing username and password entries (both
+            in clear text). Eg:
+
+                [server-login]
+                username: fred
+                password: sekrit
+
+            Otherwise, to figure who the user is, we offer the user three
+            choices:
+
+             1. use existing login,
+             2. register as a new user, or
+             3. set the password to a random string and email the user.
+
+        '''
+        choice = 'x'
+        username = password = ''
+
+        # see if we can short-cut and get the username/password from the
+        # config
+        config = None
+        if os.environ.has_key('HOME'):
+            rc = os.path.join(os.environ['HOME'], '.pypirc')
+            if os.path.exists(rc):
+                print 'Using PyPI login from %s'%rc
+                config = ConfigParser.ConfigParser()
+                config.read(rc)
+                username = config.get('server-login', 'username')
+                password = config.get('server-login', 'password')
+                choice = '1'
+
+        # get the user's login info
+        choices = '1 2 3 4'.split()
+        while choice not in choices:
+            print '''We need to know who you are, so please choose either:
+ 1. use your existing login,
+ 2. register as a new user,
+ 3. have the server generate a new password for you (and email it to you), or
+ 4. quit
+Your selection [default 1]: ''',
+            choice = raw_input()
+            if not choice:
+                choice = '1'
+            elif choice not in choices:
+                print 'Please choose one of the four options!'
+
+        if choice == '1':
+            # get the username and password
+            while not username:
+                username = raw_input('Username: ')
+            while not password:
+                password = getpass.getpass('Password: ')
+
+            # set up the authentication
+            auth = urllib2.HTTPPasswordMgr()
+            host = urlparse.urlparse(self.repository)[1]
+            auth.add_password('pypi', host, username, password)
+
+            # send the info to the server and report the result
+            code, result = self.post_to_server(self.build_post_data('submit'),
+                auth)
+            print 'Server response (%s): %s'%(code, result)
+
+            # possibly save the login
+            if os.environ.has_key('HOME') and config is None and code == 200:
+                rc = os.path.join(os.environ['HOME'], '.pypirc')
+                print 'I can store your PyPI login so future submissions will be faster.'
+                print '(the login will be stored in %s)'%rc
+                choice = 'X'
+                while choice.lower() not in 'yn':
+                    choice = raw_input('Save your login (y/N)?')
+                    if not choice:
+                        choice = 'n'
+                if choice.lower() == 'y':
+                    f = open(rc, 'w')
+                    f.write('[server-login]\nusername:%s\npassword:%s\n'%(
+                        username, password))
+                    f.close()
+                    try:
+                        os.chmod(rc, 0600)
+                    except:
+                        pass
+        elif choice == '2':
+            data = {':action': 'user'}
+            data['name'] = data['password'] = data['email'] = ''
+            data['confirm'] = None
+            while not data['name']:
+                data['name'] = raw_input('Username: ')
+            while data['password'] != data['confirm']:
+                while not data['password']:
+                    data['password'] = getpass.getpass('Password: ')
+                while not data['confirm']:
+                    data['confirm'] = getpass.getpass(' Confirm: ')
+                if data['password'] != data['confirm']:
+                    data['password'] = ''
+                    data['confirm'] = None
+                    print "Password and confirm don't match!"
+            while not data['email']:
+                data['email'] = raw_input('   EMail: ')
+            code, result = self.post_to_server(data)
+            if code != 200:
+                print 'Server response (%s): %s'%(code, result)
+            else:
+                print 'You will receive an email shortly.'
+                print 'Follow the instructions in it to complete registration.'
+        elif choice == '3':
+            data = {':action': 'password_reset'}
+            data['email'] = ''
+            while not data['email']:
+                data['email'] = raw_input('Your email address: ')
+            code, result = self.post_to_server(data)
+            print 'Server response (%s): %s'%(code, result)
+
+    def build_post_data(self, action):
+        # figure the data to send - the metadata plus some additional
+        # information used by the package server
+        meta = self.distribution.metadata
+        data = {
+            ':action': action,
+            'metadata_version' : '1.0',
+            'name': meta.get_name(),
+            'version': meta.get_version(),
+            'summary': meta.get_description(),
+            'home_page': meta.get_url(),
+            'author': meta.get_contact(),
+            'author_email': meta.get_contact_email(),
+            'license': meta.get_licence(),
+            'description': meta.get_long_description(),
+            'keywords': meta.get_keywords(),
+            'platform': meta.get_platforms(),
+        }
+        if hasattr(meta, 'classifiers'):
+            data['classifiers'] = meta.get_classifiers()
+        return data
+
+    def post_to_server(self, data, auth=None):
+        ''' Post a query to the server, and return a string response.
+        '''
+
+        # Build up the MIME payload for the urllib2 POST data
+        boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
+        sep_boundary = '\n--' + boundary
+        end_boundary = sep_boundary + '--'
+        body = StringIO.StringIO()
+        for key, value in data.items():
+            # handle multiple entries for the same name
+            if type(value) != type([]):
+                value = [value]
+            for value in value:
+                value = str(value)
+                body.write(sep_boundary)
+                body.write('\nContent-Disposition: form-data; name="%s"'%key)
+                body.write("\n\n")
+                body.write(value)
+                if value and value[-1] == '\r':
+                    body.write('\n')  # write an extra newline (lurve Macs)
+        body.write(end_boundary)
+        body.write("\n")
+        body = body.getvalue()
+
+        # build the Request
+        headers = {
+            'Content-type': 'multipart/form-data; boundary=%s'%boundary,
+            'Content-length': str(len(body))
+        }
+        req = urllib2.Request(self.repository, body, headers)
+
+        # handle HTTP and include the Basic Auth handler
+        opener = urllib2.build_opener(
+            urllib2.HTTPBasicAuthHandler(password_mgr=auth)
+        )
+        data = ''
+        try:
+            result = opener.open(req)
+        except urllib2.HTTPError, e:
+            if self.verbose:
+                data = e.fp.read()
+            result = e.code, e.msg
+        except urllib2.URLError, e:
+            result = 500, str(e)
+        else:
+            if self.verbose:
+                data = result.read()
+            result = 200, 'OK'
+        if self.verbose:
+            print '-'*75, data, '-'*75
+        return result
+