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Add code review upload script http://codereview.appspot.com/1960047/

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commit d407aed7726c494ccc75b073e1dfdf0479b0cafa 1 parent 04b536b
Anatoly Techtonik authored
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  1. +4 −0 README
  2. +1,777 −0 review.py
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4 README
@@ -634,6 +634,10 @@ README-local
packages. Similar to this file, but stripped down and modified
for people looking at including SCons in their shipped software.
+review.py
+ Script for uploading changes for review to Rietveld installation
+ at http://codereview.appspot.com
+
rpm/
The .spec file for building our RPM packages.
View
1,777 review.py
@@ -0,0 +1,1777 @@
+#!/usr/bin/env python
+#
+# Copyright 2007 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Tool for uploading diffs from a version control system to the codereview app.
+
+Usage summary: upload.py [options] [-- diff_options]
+
+Diff options are passed to the diff command of the underlying system.
+
+Supported version control systems:
+ Git
+ Mercurial
+ Subversion
+
+It is important for Git/Mercurial users to specify a tree/node/branch to diff
+against by using the '--rev' option.
+"""
+# This code is derived from appcfg.py in the App Engine SDK (open source),
+# and from ASPN recipe #146306.
+
+import ConfigParser
+import cookielib
+import fnmatch
+import getpass
+import logging
+import mimetypes
+import optparse
+import os
+import re
+import socket
+import subprocess
+import sys
+import urllib
+import urllib2
+import urlparse
+
+# The md5 module was deprecated in Python 2.5.
+try:
+ from hashlib import md5
+except ImportError:
+ from md5 import md5
+
+try:
+ import readline
+except ImportError:
+ pass
+
+try:
+ import keyring
+except ImportError:
+ keyring = None
+
+# The logging verbosity:
+# 0: Errors only.
+# 1: Status messages.
+# 2: Info logs.
+# 3: Debug logs.
+verbosity = 1
+
+# The account type used for authentication.
+# This line could be changed by the review server (see handler for
+# upload.py).
+AUTH_ACCOUNT_TYPE = "GOOGLE"
+
+# URL of the default review server. As for AUTH_ACCOUNT_TYPE, this line could be
+# changed by the review server (see handler for upload.py).
+DEFAULT_REVIEW_SERVER = "codereview.appspot.com"
+
+# Max size of patch or base file.
+MAX_UPLOAD_SIZE = 900 * 1024
+
+# Constants for version control names. Used by GuessVCSName.
+VCS_GIT = "Git"
+VCS_MERCURIAL = "Mercurial"
+VCS_SUBVERSION = "Subversion"
+VCS_UNKNOWN = "Unknown"
+
+# whitelist for non-binary filetypes which do not start with "text/"
+# .mm (Objective-C) shows up as application/x-freemind on my Linux box.
+TEXT_MIMETYPES = ['application/javascript', 'application/x-javascript',
+ 'application/xml', 'application/x-freemind',
+ 'application/x-sh']
+
+VCS_ABBREVIATIONS = {
+ VCS_MERCURIAL.lower(): VCS_MERCURIAL,
+ "hg": VCS_MERCURIAL,
+ VCS_SUBVERSION.lower(): VCS_SUBVERSION,
+ "svn": VCS_SUBVERSION,
+ VCS_GIT.lower(): VCS_GIT,
+}
+
+# The result of parsing Subversion's [auto-props] setting.
+svn_auto_props_map = None
+
+def GetEmail(prompt):
+ """Prompts the user for their email address and returns it.
+
+ The last used email address is saved to a file and offered up as a suggestion
+ to the user. If the user presses enter without typing in anything the last
+ used email address is used. If the user enters a new address, it is saved
+ for next time we prompt.
+
+ """
+ last_email_file_name = os.path.expanduser("~/.last_codereview_email_address")
+ last_email = ""
+ if os.path.exists(last_email_file_name):
+ try:
+ last_email_file = open(last_email_file_name, "r")
+ last_email = last_email_file.readline().strip("\n")
+ last_email_file.close()
+ prompt += " [%s]" % last_email
+ except IOError, e:
+ pass
+ email = raw_input(prompt + ": ").strip()
+ if email:
+ try:
+ last_email_file = open(last_email_file_name, "w")
+ last_email_file.write(email)
+ last_email_file.close()
+ except IOError, e:
+ pass
+ else:
+ email = last_email
+ return email
+
+
+def StatusUpdate(msg):
+ """Print a status message to stdout.
+
+ If 'verbosity' is greater than 0, print the message.
+
+ Args:
+ msg: The string to print.
+ """
+ if verbosity > 0:
+ print msg
+
+
+def ErrorExit(msg):
+ """Print an error message to stderr and exit."""
+ print >>sys.stderr, msg
+ sys.exit(1)
+
+
+class ClientLoginError(urllib2.HTTPError):
+ """Raised to indicate there was an error authenticating with ClientLogin."""
+
+ def __init__(self, url, code, msg, headers, args):
+ urllib2.HTTPError.__init__(self, url, code, msg, headers, None)
+ self.args = args
+ self.reason = args["Error"]
+
+
+class AbstractRpcServer(object):
+ """Provides a common interface for a simple RPC server."""
+
+ def __init__(self, host, auth_function, host_override=None, extra_headers={},
+ save_cookies=False, account_type=AUTH_ACCOUNT_TYPE):
+ """Creates a new HttpRpcServer.
+
+ Args:
+ host: The host to send requests to.
+ auth_function: A function that takes no arguments and returns an
+ (email, password) tuple when called. Will be called if authentication
+ is required.
+ host_override: The host header to send to the server (defaults to host).
+ extra_headers: A dict of extra headers to append to every request.
+ save_cookies: If True, save the authentication cookies to local disk.
+ If False, use an in-memory cookiejar instead. Subclasses must
+ implement this functionality. Defaults to False.
+ account_type: Account type used for authentication. Defaults to
+ AUTH_ACCOUNT_TYPE.
+ """
+ self.host = host
+ if (not self.host.startswith("http://") and
+ not self.host.startswith("https://")):
+ self.host = "http://" + self.host
+ self.host_override = host_override
+ self.auth_function = auth_function
+ self.authenticated = False
+ self.extra_headers = extra_headers
+ self.save_cookies = save_cookies
+ self.account_type = account_type
+ self.opener = self._GetOpener()
+ if self.host_override:
+ logging.info("Server: %s; Host: %s", self.host, self.host_override)
+ else:
+ logging.info("Server: %s", self.host)
+
+ def _GetOpener(self):
+ """Returns an OpenerDirector for making HTTP requests.
+
+ Returns:
+ A urllib2.OpenerDirector object.
+ """
+ raise NotImplementedError()
+
+ def _CreateRequest(self, url, data=None):
+ """Creates a new urllib request."""
+ logging.debug("Creating request for: '%s' with payload:\n%s", url, data)
+ req = urllib2.Request(url, data=data)
+ if self.host_override:
+ req.add_header("Host", self.host_override)
+ for key, value in self.extra_headers.iteritems():
+ req.add_header(key, value)
+ return req
+
+ def _GetAuthToken(self, email, password):
+ """Uses ClientLogin to authenticate the user, returning an auth token.
+
+ Args:
+ email: The user's email address
+ password: The user's password
+
+ Raises:
+ ClientLoginError: If there was an error authenticating with ClientLogin.
+ HTTPError: If there was some other form of HTTP error.
+
+ Returns:
+ The authentication token returned by ClientLogin.
+ """
+ account_type = self.account_type
+ if self.host.endswith(".google.com"):
+ # Needed for use inside Google.
+ account_type = "HOSTED"
+ req = self._CreateRequest(
+ url="https://www.google.com/accounts/ClientLogin",
+ data=urllib.urlencode({
+ "Email": email,
+ "Passwd": password,
+ "service": "ah",
+ "source": "rietveld-codereview-upload",
+ "accountType": account_type,
+ }),
+ )
+ try:
+ response = self.opener.open(req)
+ response_body = response.read()
+ response_dict = dict(x.split("=")
+ for x in response_body.split("\n") if x)
+ return response_dict["Auth"]
+ except urllib2.HTTPError, e:
+ if e.code == 403:
+ body = e.read()
+ response_dict = dict(x.split("=", 1) for x in body.split("\n") if x)
+ raise ClientLoginError(req.get_full_url(), e.code, e.msg,
+ e.headers, response_dict)
+ else:
+ raise
+
+ def _GetAuthCookie(self, auth_token):
+ """Fetches authentication cookies for an authentication token.
+
+ Args:
+ auth_token: The authentication token returned by ClientLogin.
+
+ Raises:
+ HTTPError: If there was an error fetching the authentication cookies.
+ """
+ # This is a dummy value to allow us to identify when we're successful.
+ continue_location = "http://localhost/"
+ args = {"continue": continue_location, "auth": auth_token}
+ req = self._CreateRequest("%s/_ah/login?%s" %
+ (self.host, urllib.urlencode(args)))
+ try:
+ response = self.opener.open(req)
+ except urllib2.HTTPError, e:
+ response = e
+ if (response.code != 302 or
+ response.info()["location"] != continue_location):
+ raise urllib2.HTTPError(req.get_full_url(), response.code, response.msg,
+ response.headers, response.fp)
+ self.authenticated = True
+
+ def _Authenticate(self):
+ """Authenticates the user.
+
+ The authentication process works as follows:
+ 1) We get a username and password from the user
+ 2) We use ClientLogin to obtain an AUTH token for the user
+ (see http://code.google.com/apis/accounts/AuthForInstalledApps.html).
+ 3) We pass the auth token to /_ah/login on the server to obtain an
+ authentication cookie. If login was successful, it tries to redirect
+ us to the URL we provided.
+
+ If we attempt to access the upload API without first obtaining an
+ authentication cookie, it returns a 401 response (or a 302) and
+ directs us to authenticate ourselves with ClientLogin.
+ """
+ for i in range(3):
+ credentials = self.auth_function()
+ try:
+ auth_token = self._GetAuthToken(credentials[0], credentials[1])
+ except ClientLoginError, e:
+ if e.reason == "BadAuthentication":
+ print >>sys.stderr, "Invalid username or password."
+ continue
+ if e.reason == "CaptchaRequired":
+ print >>sys.stderr, (
+ "Please go to\n"
+ "https://www.google.com/accounts/DisplayUnlockCaptcha\n"
+ "and verify you are a human. Then try again.\n"
+ "If you are using a Google Apps account the URL is:\n"
+ "https://www.google.com/a/yourdomain.com/UnlockCaptcha")
+ break
+ if e.reason == "NotVerified":
+ print >>sys.stderr, "Account not verified."
+ break
+ if e.reason == "TermsNotAgreed":
+ print >>sys.stderr, "User has not agreed to TOS."
+ break
+ if e.reason == "AccountDeleted":
+ print >>sys.stderr, "The user account has been deleted."
+ break
+ if e.reason == "AccountDisabled":
+ print >>sys.stderr, "The user account has been disabled."
+ break
+ if e.reason == "ServiceDisabled":
+ print >>sys.stderr, ("The user's access to the service has been "
+ "disabled.")
+ break
+ if e.reason == "ServiceUnavailable":
+ print >>sys.stderr, "The service is not available; try again later."
+ break
+ raise
+ self._GetAuthCookie(auth_token)
+ return
+
+ def Send(self, request_path, payload=None,
+ content_type="application/octet-stream",
+ timeout=None,
+ extra_headers=None,
+ **kwargs):
+ """Sends an RPC and returns the response.
+
+ Args:
+ request_path: The path to send the request to, eg /api/appversion/create.
+ payload: The body of the request, or None to send an empty request.
+ content_type: The Content-Type header to use.
+ timeout: timeout in seconds; default None i.e. no timeout.
+ (Note: for large requests on OS X, the timeout doesn't work right.)
+ extra_headers: Dict containing additional HTTP headers that should be
+ included in the request (string header names mapped to their values),
+ or None to not include any additional headers.
+ kwargs: Any keyword arguments are converted into query string parameters.
+
+ Returns:
+ The response body, as a string.
+ """
+ # TODO: Don't require authentication. Let the server say
+ # whether it is necessary.
+ if not self.authenticated:
+ self._Authenticate()
+
+ old_timeout = socket.getdefaulttimeout()
+ socket.setdefaulttimeout(timeout)
+ try:
+ tries = 0
+ while True:
+ tries += 1
+ args = dict(kwargs)
+ url = "%s%s" % (self.host, request_path)
+ if args:
+ url += "?" + urllib.urlencode(args)
+ req = self._CreateRequest(url=url, data=payload)
+ req.add_header("Content-Type", content_type)
+ if extra_headers:
+ for header, value in extra_headers.items():
+ req.add_header(header, value)
+ try:
+ f = self.opener.open(req)
+ response = f.read()
+ f.close()
+ return response
+ except urllib2.HTTPError, e:
+ if tries > 3:
+ raise
+ elif e.code == 401 or e.code == 302:
+ self._Authenticate()
+## elif e.code >= 500 and e.code < 600:
+## # Server Error - try again.
+## continue
+ else:
+ raise
+ finally:
+ socket.setdefaulttimeout(old_timeout)
+
+
+class HttpRpcServer(AbstractRpcServer):
+ """Provides a simplified RPC-style interface for HTTP requests."""
+
+ def _Authenticate(self):
+ """Save the cookie jar after authentication."""
+ super(HttpRpcServer, self)._Authenticate()
+ if self.save_cookies:
+ StatusUpdate("Saving authentication cookies to %s" % self.cookie_file)
+ self.cookie_jar.save()
+
+ def _GetOpener(self):
+ """Returns an OpenerDirector that supports cookies and ignores redirects.
+
+ Returns:
+ A urllib2.OpenerDirector object.
+ """
+ opener = urllib2.OpenerDirector()
+ opener.add_handler(urllib2.ProxyHandler())
+ opener.add_handler(urllib2.UnknownHandler())
+ opener.add_handler(urllib2.HTTPHandler())
+ opener.add_handler(urllib2.HTTPDefaultErrorHandler())
+ opener.add_handler(urllib2.HTTPSHandler())
+ opener.add_handler(urllib2.HTTPErrorProcessor())
+ if self.save_cookies:
+ self.cookie_file = os.path.expanduser("~/.codereview_upload_cookies")
+ self.cookie_jar = cookielib.MozillaCookieJar(self.cookie_file)
+ if os.path.exists(self.cookie_file):
+ try:
+ self.cookie_jar.load()
+ self.authenticated = True
+ StatusUpdate("Loaded authentication cookies from %s" %
+ self.cookie_file)
+ except (cookielib.LoadError, IOError):
+ # Failed to load cookies - just ignore them.
+ pass
+ else:
+ # Create an empty cookie file with mode 600
+ fd = os.open(self.cookie_file, os.O_CREAT, 0600)
+ os.close(fd)
+ # Always chmod the cookie file
+ os.chmod(self.cookie_file, 0600)
+ else:
+ # Don't save cookies across runs of update.py.
+ self.cookie_jar = cookielib.CookieJar()
+ opener.add_handler(urllib2.HTTPCookieProcessor(self.cookie_jar))
+ return opener
+
+
+parser = optparse.OptionParser(usage="%prog [options] [-- diff_options]")
+parser.add_option("-y", "--assume_yes", action="store_true",
+ dest="assume_yes", default=False,
+ help="Assume that the answer to yes/no questions is 'yes'.")
+# Logging
+group = parser.add_option_group("Logging options")
+group.add_option("-q", "--quiet", action="store_const", const=0,
+ dest="verbose", help="Print errors only.")
+group.add_option("-v", "--verbose", action="store_const", const=2,
+ dest="verbose", default=1,
+ help="Print info level logs (default).")
+group.add_option("--noisy", action="store_const", const=3,
+ dest="verbose", help="Print all logs.")
+# Review server
+group = parser.add_option_group("Review server options")
+group.add_option("-s", "--server", action="store", dest="server",
+ default=DEFAULT_REVIEW_SERVER,
+ metavar="SERVER",
+ help=("The server to upload to. The format is host[:port]. "
+ "Defaults to '%default'."))
+group.add_option("-e", "--email", action="store", dest="email",
+ metavar="EMAIL", default=None,
+ help="The username to use. Will prompt if omitted.")
+group.add_option("-H", "--host", action="store", dest="host",
+ metavar="HOST", default=None,
+ help="Overrides the Host header sent with all RPCs.")
+group.add_option("--no_cookies", action="store_false",
+ dest="save_cookies", default=True,
+ help="Do not save authentication cookies to local disk.")
+group.add_option("--account_type", action="store", dest="account_type",
+ metavar="TYPE", default=AUTH_ACCOUNT_TYPE,
+ choices=["GOOGLE", "HOSTED"],
+ help=("Override the default account type "
+ "(defaults to '%default', "
+ "valid choices are 'GOOGLE' and 'HOSTED')."))
+# Issue
+group = parser.add_option_group("Issue options")
+group.add_option("-d", "--description", action="store", dest="description",
+ metavar="DESCRIPTION", default=None,
+ help="Optional description when creating an issue.")
+group.add_option("-f", "--description_file", action="store",
+ dest="description_file", metavar="DESCRIPTION_FILE",
+ default=None,
+ help="Optional path of a file that contains "
+ "the description when creating an issue.")
+group.add_option("-r", "--reviewers", action="store", dest="reviewers",
+ metavar="REVIEWERS", default=None,
+ help="Add reviewers (comma separated email addresses).")
+group.add_option("--cc", action="store", dest="cc",
+ metavar="CC", default="dev@scons.tigris.org",
+ help="Add CC (comma separated email addresses).")
+group.add_option("--private", action="store_true", dest="private",
+ default=False,
+ help="Make the issue restricted to reviewers and those CCed")
+# Upload options
+group = parser.add_option_group("Patch options")
+group.add_option("-m", "--message", action="store", dest="message",
+ metavar="MESSAGE", default=None,
+ help="A message to identify the patch. "
+ "Will prompt if omitted.")
+group.add_option("-i", "--issue", type="int", action="store",
+ metavar="ISSUE", default=None,
+ help="Issue number to which to add. Defaults to new issue.")
+group.add_option("--base_url", action="store", dest="base_url", default=None,
+ help="Base repository URL (listed as \"Base URL\" when "
+ "viewing issue). If omitted, will be guessed automatically "
+ "for SVN repos and left blank for others.")
+group.add_option("--download_base", action="store_true",
+ dest="download_base", default=False,
+ help="Base files will be downloaded by the server "
+ "(side-by-side diffs may not work on files with CRs).")
+group.add_option("--rev", action="store", dest="revision",
+ metavar="REV", default=None,
+ help="Base revision/branch/tree to diff against. Use "
+ "rev1:rev2 range to review already committed changeset.")
+group.add_option("--send_mail", action="store_true",
+ dest="send_mail", default=True,
+ help="Send notification email to reviewers.")
+group.add_option("--vcs", action="store", dest="vcs",
+ metavar="VCS", default="svn",
+ help=("Version control system (optional, usually upload.py "
+ "already guesses the right VCS)."))
+group.add_option("--emulate_svn_auto_props", action="store_true",
+ dest="emulate_svn_auto_props", default=False,
+ help=("Emulate Subversion's auto properties feature."))
+
+
+def GetRpcServer(server, email=None, host_override=None, save_cookies=True,
+ account_type=AUTH_ACCOUNT_TYPE):
+ """Returns an instance of an AbstractRpcServer.
+
+ Args:
+ server: String containing the review server URL.
+ email: String containing user's email address.
+ host_override: If not None, string containing an alternate hostname to use
+ in the host header.
+ save_cookies: Whether authentication cookies should be saved to disk.
+ account_type: Account type for authentication, either 'GOOGLE'
+ or 'HOSTED'. Defaults to AUTH_ACCOUNT_TYPE.
+
+ Returns:
+ A new AbstractRpcServer, on which RPC calls can be made.
+ """
+
+ rpc_server_class = HttpRpcServer
+
+ # If this is the dev_appserver, use fake authentication.
+ host = (host_override or server).lower()
+ if host == "localhost" or host.startswith("localhost:"):
+ if email is None:
+ email = "test@example.com"
+ logging.info("Using debug user %s. Override with --email" % email)
+ server = rpc_server_class(
+ server,
+ lambda: (email, "password"),
+ host_override=host_override,
+ extra_headers={"Cookie":
+ 'dev_appserver_login="%s:False"' % email},
+ save_cookies=save_cookies,
+ account_type=account_type)
+ # Don't try to talk to ClientLogin.
+ server.authenticated = True
+ return server
+
+ def GetUserCredentials():
+ """Prompts the user for a username and password."""
+ # Create a local alias to the email variable to avoid Python's crazy
+ # scoping rules.
+ local_email = email
+ if local_email is None:
+ local_email = GetEmail("Email (login for uploading to %s)" % server)
+ password = None
+ if keyring:
+ password = keyring.get_password(host, local_email)
+ if password is not None:
+ print "Using password from system keyring."
+ else:
+ password = getpass.getpass("Password for %s: " % local_email)
+ if keyring:
+ answer = raw_input("Store password in system keyring?(y/N) ").strip()
+ if answer == "y":
+ keyring.set_password(host, local_email, password)
+ return (local_email, password)
+
+ return rpc_server_class(server,
+ GetUserCredentials,
+ host_override=host_override,
+ save_cookies=save_cookies)
+
+
+def EncodeMultipartFormData(fields, files):
+ """Encode form fields for multipart/form-data.
+
+ Args:
+ fields: A sequence of (name, value) elements for regular form fields.
+ files: A sequence of (name, filename, value) elements for data to be
+ uploaded as files.
+ Returns:
+ (content_type, body) ready for httplib.HTTP instance.
+
+ Source:
+ http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/146306
+ """
+ BOUNDARY = '-M-A-G-I-C---B-O-U-N-D-A-R-Y-'
+ CRLF = '\r\n'
+ lines = []
+ for (key, value) in fields:
+ lines.append('--' + BOUNDARY)
+ lines.append('Content-Disposition: form-data; name="%s"' % key)
+ lines.append('')
+ if isinstance(value, unicode):
+ value = value.encode('utf-8')
+ lines.append(value)
+ for (key, filename, value) in files:
+ lines.append('--' + BOUNDARY)
+ lines.append('Content-Disposition: form-data; name="%s"; filename="%s"' %
+ (key, filename))
+ lines.append('Content-Type: %s' % GetContentType(filename))
+ lines.append('')
+ if isinstance(value, unicode):
+ value = value.encode('utf-8')
+ lines.append(value)
+ lines.append('--' + BOUNDARY + '--')
+ lines.append('')
+ body = CRLF.join(lines)
+ content_type = 'multipart/form-data; boundary=%s' % BOUNDARY
+ return content_type, body
+
+
+def GetContentType(filename):
+ """Helper to guess the content-type from the filename."""
+ return mimetypes.guess_type(filename)[0] or 'application/octet-stream'
+
+
+# Use a shell for subcommands on Windows to get a PATH search.
+use_shell = sys.platform.startswith("win")
+
+def RunShellWithReturnCode(command, print_output=False,
+ universal_newlines=True,
+ env=os.environ):
+ """Executes a command and returns the output from stdout and the return code.
+
+ Args:
+ command: Command to execute.
+ print_output: If True, the output is printed to stdout.
+ If False, both stdout and stderr are ignored.
+ universal_newlines: Use universal_newlines flag (default: True).
+
+ Returns:
+ Tuple (output, return code)
+ """
+ logging.info("Running %s", command)
+ p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+ shell=use_shell, universal_newlines=universal_newlines,
+ env=env)
+ if print_output:
+ output_array = []
+ while True:
+ line = p.stdout.readline()
+ if not line:
+ break
+ print line.strip("\n")
+ output_array.append(line)
+ output = "".join(output_array)
+ else:
+ output = p.stdout.read()
+ p.wait()
+ errout = p.stderr.read()
+ if print_output and errout:
+ print >>sys.stderr, errout
+ p.stdout.close()
+ p.stderr.close()
+ return output, p.returncode
+
+
+def RunShell(command, silent_ok=False, universal_newlines=True,
+ print_output=False, env=os.environ):
+ data, retcode = RunShellWithReturnCode(command, print_output,
+ universal_newlines, env)
+ if retcode:
+ ErrorExit("Got error status from %s:\n%s" % (command, data))
+ if not silent_ok and not data:
+ ErrorExit("No output from %s" % command)
+ return data
+
+
+class VersionControlSystem(object):
+ """Abstract base class providing an interface to the VCS."""
+
+ def __init__(self, options):
+ """Constructor.
+
+ Args:
+ options: Command line options.
+ """
+ self.options = options
+
+ def PostProcessDiff(self, diff):
+ """Return the diff with any special post processing this VCS needs, e.g.
+ to include an svn-style "Index:"."""
+ return diff
+
+ def GenerateDiff(self, args):
+ """Return the current diff as a string.
+
+ Args:
+ args: Extra arguments to pass to the diff command.
+ """
+ raise NotImplementedError(
+ "abstract method -- subclass %s must override" % self.__class__)
+
+ def GetUnknownFiles(self):
+ """Return a list of files unknown to the VCS."""
+ raise NotImplementedError(
+ "abstract method -- subclass %s must override" % self.__class__)
+
+ def CheckForUnknownFiles(self):
+ """Show an "are you sure?" prompt if there are unknown files."""
+ unknown_files = self.GetUnknownFiles()
+ if unknown_files:
+ print "The following files are not added to version control:"
+ for line in unknown_files:
+ print line
+ prompt = "Are you sure to continue?(y/N) "
+ answer = raw_input(prompt).strip()
+ if answer != "y":
+ ErrorExit("User aborted")
+
+ def GetBaseFile(self, filename):
+ """Get the content of the upstream version of a file.
+
+ Returns:
+ A tuple (base_content, new_content, is_binary, status)
+ base_content: The contents of the base file.
+ new_content: For text files, this is empty. For binary files, this is
+ the contents of the new file, since the diff output won't contain
+ information to reconstruct the current file.
+ is_binary: True iff the file is binary.
+ status: The status of the file.
+ """
+
+ raise NotImplementedError(
+ "abstract method -- subclass %s must override" % self.__class__)
+
+
+ def GetBaseFiles(self, diff):
+ """Helper that calls GetBase file for each file in the patch.
+
+ Returns:
+ A dictionary that maps from filename to GetBaseFile's tuple. Filenames
+ are retrieved based on lines that start with "Index:" or
+ "Property changes on:".
+ """
+ files = {}
+ for line in diff.splitlines(True):
+ if line.startswith('Index:') or line.startswith('Property changes on:'):
+ unused, filename = line.split(':', 1)
+ # On Windows if a file has property changes its filename uses '\'
+ # instead of '/'.
+ filename = filename.strip().replace('\\', '/')
+ files[filename] = self.GetBaseFile(filename)
+ return files
+
+
+ def UploadBaseFiles(self, issue, rpc_server, patch_list, patchset, options,
+ files):
+ """Uploads the base files (and if necessary, the current ones as well)."""
+
+ def UploadFile(filename, file_id, content, is_binary, status, is_base):
+ """Uploads a file to the server."""
+ file_too_large = False
+ if is_base:
+ type = "base"
+ else:
+ type = "current"
+ if len(content) > MAX_UPLOAD_SIZE:
+ print ("Not uploading the %s file for %s because it's too large." %
+ (type, filename))
+ file_too_large = True
+ content = ""
+ checksum = md5(content).hexdigest()
+ if options.verbose > 0 and not file_too_large:
+ print "Uploading %s file for %s" % (type, filename)
+ url = "/%d/upload_content/%d/%d" % (int(issue), int(patchset), file_id)
+ form_fields = [("filename", filename),
+ ("status", status),
+ ("checksum", checksum),
+ ("is_binary", str(is_binary)),
+ ("is_current", str(not is_base)),
+ ]
+ if file_too_large:
+ form_fields.append(("file_too_large", "1"))
+ if options.email:
+ form_fields.append(("user", options.email))
+ ctype, body = EncodeMultipartFormData(form_fields,
+ [("data", filename, content)])
+ response_body = rpc_server.Send(url, body,
+ content_type=ctype)
+ if not response_body.startswith("OK"):
+ StatusUpdate(" --> %s" % response_body)
+ sys.exit(1)
+
+ patches = dict()
+ [patches.setdefault(v, k) for k, v in patch_list]
+ for filename in patches.keys():
+ base_content, new_content, is_binary, status = files[filename]
+ file_id_str = patches.get(filename)
+ if file_id_str.find("nobase") != -1:
+ base_content = None
+ file_id_str = file_id_str[file_id_str.rfind("_") + 1:]
+ file_id = int(file_id_str)
+ if base_content != None:
+ UploadFile(filename, file_id, base_content, is_binary, status, True)
+ if new_content != None:
+ UploadFile(filename, file_id, new_content, is_binary, status, False)
+
+ def IsImage(self, filename):
+ """Returns true if the filename has an image extension."""
+ mimetype = mimetypes.guess_type(filename)[0]
+ if not mimetype:
+ return False
+ return mimetype.startswith("image/")
+
+ def IsBinary(self, filename):
+ """Returns true if the guessed mimetyped isnt't in text group."""
+ mimetype = mimetypes.guess_type(filename)[0]
+ if not mimetype:
+ return False # e.g. README, "real" binaries usually have an extension
+ # special case for text files which don't start with text/
+ if mimetype in TEXT_MIMETYPES:
+ return False
+ return not mimetype.startswith("text/")
+
+
+class SubversionVCS(VersionControlSystem):
+ """Implementation of the VersionControlSystem interface for Subversion."""
+
+ def __init__(self, options):
+ super(SubversionVCS, self).__init__(options)
+ if self.options.revision:
+ match = re.match(r"(\d+)(:(\d+))?", self.options.revision)
+ if not match:
+ ErrorExit("Invalid Subversion revision %s." % self.options.revision)
+ self.rev_start = match.group(1)
+ self.rev_end = match.group(3)
+ else:
+ self.rev_start = self.rev_end = None
+ # Cache output from "svn list -r REVNO dirname".
+ # Keys: dirname, Values: 2-tuple (ouput for start rev and end rev).
+ self.svnls_cache = {}
+ # Base URL is required to fetch files deleted in an older revision.
+ # Result is cached to not guess it over and over again in GetBaseFile().
+ required = self.options.download_base or self.options.revision is not None
+ self.svn_base = self._GuessBase(required)
+
+ def GuessBase(self, required):
+ """Wrapper for _GuessBase."""
+ return self.svn_base
+
+ def _GuessBase(self, required):
+ """Returns the SVN base URL.
+
+ Args:
+ required: If true, exits if the url can't be guessed, otherwise None is
+ returned.
+ """
+ info = RunShell(["svn", "info"])
+ for line in info.splitlines():
+ words = line.split()
+ if len(words) == 2 and words[0] == "URL:":
+ url = words[1]
+ scheme, netloc, path, params, query, fragment = urlparse.urlparse(url)
+ username, netloc = urllib.splituser(netloc)
+ if username:
+ logging.info("Removed username from base URL")
+ if netloc.endswith("svn.python.org"):
+ if netloc == "svn.python.org":
+ if path.startswith("/projects/"):
+ path = path[9:]
+ elif netloc != "pythondev@svn.python.org":
+ ErrorExit("Unrecognized Python URL: %s" % url)
+ base = "http://svn.python.org/view/*checkout*%s/" % path
+ logging.info("Guessed Python base = %s", base)
+ elif netloc.endswith("svn.collab.net"):
+ if path.startswith("/repos/"):
+ path = path[6:]
+ base = "http://svn.collab.net/viewvc/*checkout*%s/" % path
+ logging.info("Guessed CollabNet base = %s", base)
+ elif netloc.endswith(".googlecode.com"):
+ path = path + "/"
+ base = urlparse.urlunparse(("http", netloc, path, params,
+ query, fragment))
+ logging.info("Guessed Google Code base = %s", base)
+ else:
+ path = path + "/"
+ base = urlparse.urlunparse((scheme, netloc, path, params,
+ query, fragment))
+ logging.info("Guessed base = %s", base)
+ return base
+ if required:
+ ErrorExit("Can't find URL in output from svn info")
+ return None
+
+ def GenerateDiff(self, args):
+ cmd = ["svn", "diff"]
+ if self.options.revision:
+ cmd += ["-r", self.options.revision]
+ cmd.extend(args)
+ data = RunShell(cmd)
+ count = 0
+ for line in data.splitlines():
+ if line.startswith("Index:") or line.startswith("Property changes on:"):
+ count += 1
+ logging.info(line)
+ if not count:
+ ErrorExit("No valid patches found in output from svn diff")
+ return data
+
+ def _CollapseKeywords(self, content, keyword_str):
+ """Collapses SVN keywords."""
+ # svn cat translates keywords but svn diff doesn't. As a result of this
+ # behavior patching.PatchChunks() fails with a chunk mismatch error.
+ # This part was originally written by the Review Board development team
+ # who had the same problem (http://reviews.review-board.org/r/276/).
+ # Mapping of keywords to known aliases
+ svn_keywords = {
+ # Standard keywords
+ 'Date': ['Date', 'LastChangedDate'],
+ 'Revision': ['Revision', 'LastChangedRevision', 'Rev'],
+ 'Author': ['Author', 'LastChangedBy'],
+ 'HeadURL': ['HeadURL', 'URL'],
+ 'Id': ['Id'],
+
+ # Aliases
+ 'LastChangedDate': ['LastChangedDate', 'Date'],
+ 'LastChangedRevision': ['LastChangedRevision', 'Rev', 'Revision'],
+ 'LastChangedBy': ['LastChangedBy', 'Author'],
+ 'URL': ['URL', 'HeadURL'],
+ }
+
+ def repl(m):
+ if m.group(2):
+ return "$%s::%s$" % (m.group(1), " " * len(m.group(3)))
+ return "$%s$" % m.group(1)
+ keywords = [keyword
+ for name in keyword_str.split(" ")
+ for keyword in svn_keywords.get(name, [])]
+ return re.sub(r"\$(%s):(:?)([^\$]+)\$" % '|'.join(keywords), repl, content)
+
+ def GetUnknownFiles(self):
+ status = RunShell(["svn", "status", "--ignore-externals"], silent_ok=True)
+ unknown_files = []
+ for line in status.split("\n"):
+ if line and line[0] == "?":
+ unknown_files.append(line)
+ return unknown_files
+
+ def ReadFile(self, filename):
+ """Returns the contents of a file."""
+ file = open(filename, 'rb')
+ result = ""
+ try:
+ result = file.read()
+ finally:
+ file.close()
+ return result
+
+ def GetStatus(self, filename):
+ """Returns the status of a file."""
+ if not self.options.revision:
+ status = RunShell(["svn", "status", "--ignore-externals", filename])
+ if not status:
+ ErrorExit("svn status returned no output for %s" % filename)
+ status_lines = status.splitlines()
+ # If file is in a cl, the output will begin with
+ # "\n--- Changelist 'cl_name':\n". See
+ # http://svn.collab.net/repos/svn/trunk/notes/changelist-design.txt
+ if (len(status_lines) == 3 and
+ not status_lines[0] and
+ status_lines[1].startswith("--- Changelist")):
+ status = status_lines[2]
+ else:
+ status = status_lines[0]
+ # If we have a revision to diff against we need to run "svn list"
+ # for the old and the new revision and compare the results to get
+ # the correct status for a file.
+ else:
+ dirname, relfilename = os.path.split(filename)
+ if dirname not in self.svnls_cache:
+ cmd = ["svn", "list", "-r", self.rev_start, dirname or "."]
+ out, returncode = RunShellWithReturnCode(cmd)
+ if returncode:
+ ErrorExit("Failed to get status for %s." % filename)
+ old_files = out.splitlines()
+ args = ["svn", "list"]
+ if self.rev_end:
+ args += ["-r", self.rev_end]
+ cmd = args + [dirname or "."]
+ out, returncode = RunShellWithReturnCode(cmd)
+ if returncode:
+ ErrorExit("Failed to run command %s" % cmd)
+ self.svnls_cache[dirname] = (old_files, out.splitlines())
+ old_files, new_files = self.svnls_cache[dirname]
+ if relfilename in old_files and relfilename not in new_files:
+ status = "D "
+ elif relfilename in old_files and relfilename in new_files:
+ status = "M "
+ else:
+ status = "A "
+ return status
+
+ def GetBaseFile(self, filename):
+ status = self.GetStatus(filename)
+ base_content = None
+ new_content = None
+
+ # If a file is copied its status will be "A +", which signifies
+ # "addition-with-history". See "svn st" for more information. We need to
+ # upload the original file or else diff parsing will fail if the file was
+ # edited.
+ if status[0] == "A" and status[3] != "+":
+ # We'll need to upload the new content if we're adding a binary file
+ # since diff's output won't contain it.
+ mimetype = RunShell(["svn", "propget", "svn:mime-type", filename],
+ silent_ok=True)
+ base_content = ""
+ is_binary = bool(mimetype) and not mimetype.startswith("text/")
+ if is_binary and self.IsImage(filename):
+ new_content = self.ReadFile(filename)
+ elif (status[0] in ("M", "D", "R") or
+ (status[0] == "A" and status[3] == "+") or # Copied file.
+ (status[0] == " " and status[1] == "M")): # Property change.
+ args = []
+ if self.options.revision:
+ url = "%s/%s@%s" % (self.svn_base, filename, self.rev_start)
+ else:
+ # Don't change filename, it's needed later.
+ url = filename
+ args += ["-r", "BASE"]
+ cmd = ["svn"] + args + ["propget", "svn:mime-type", url]
+ mimetype, returncode = RunShellWithReturnCode(cmd)
+ if returncode:
+ # File does not exist in the requested revision.
+ # Reset mimetype, it contains an error message.
+ mimetype = ""
+ get_base = False
+ is_binary = bool(mimetype) and not mimetype.startswith("text/")
+ if status[0] == " ":
+ # Empty base content just to force an upload.
+ base_content = ""
+ elif is_binary:
+ if self.IsImage(filename):
+ get_base = True
+ if status[0] == "M":
+ if not self.rev_end:
+ new_content = self.ReadFile(filename)
+ else:
+ url = "%s/%s@%s" % (self.svn_base, filename, self.rev_end)
+ new_content = RunShell(["svn", "cat", url],
+ universal_newlines=True, silent_ok=True)
+ else:
+ base_content = ""
+ else:
+ get_base = True
+
+ if get_base:
+ if is_binary:
+ universal_newlines = False
+ else:
+ universal_newlines = True
+ if self.rev_start:
+ # "svn cat -r REV delete_file.txt" doesn't work. cat requires
+ # the full URL with "@REV" appended instead of using "-r" option.
+ url = "%s/%s@%s" % (self.svn_base, filename, self.rev_start)
+ base_content = RunShell(["svn", "cat", url],
+ universal_newlines=universal_newlines,
+ silent_ok=True)
+ else:
+ base_content, ret_code = RunShellWithReturnCode(
+ ["svn", "cat", filename], universal_newlines=universal_newlines)
+ if ret_code and status[0] == "R":
+ # It's a replaced file without local history (see issue208).
+ # The base file needs to be fetched from the server.
+ url = "%s/%s" % (self.svn_base, filename)
+ base_content = RunShell(["svn", "cat", url],
+ universal_newlines=universal_newlines,
+ silent_ok=True)
+ elif ret_code:
+ ErrorExit("Got error status from 'svn cat %s'" % filename)
+ if not is_binary:
+ args = []
+ if self.rev_start:
+ url = "%s/%s@%s" % (self.svn_base, filename, self.rev_start)
+ else:
+ url = filename
+ args += ["-r", "BASE"]
+ cmd = ["svn"] + args + ["propget", "svn:keywords", url]
+ keywords, returncode = RunShellWithReturnCode(cmd)
+ if keywords and not returncode:
+ base_content = self._CollapseKeywords(base_content, keywords)
+ else:
+ StatusUpdate("svn status returned unexpected output: %s" % status)
+ sys.exit(1)
+ return base_content, new_content, is_binary, status[0:5]
+
+
+class GitVCS(VersionControlSystem):
+ """Implementation of the VersionControlSystem interface for Git."""
+
+ def __init__(self, options):
+ super(GitVCS, self).__init__(options)
+ # Map of filename -> (hash before, hash after) of base file.
+ # Hashes for "no such file" are represented as None.
+ self.hashes = {}
+ # Map of new filename -> old filename for renames.
+ self.renames = {}
+
+ def PostProcessDiff(self, gitdiff):
+ """Converts the diff output to include an svn-style "Index:" line as well
+ as record the hashes of the files, so we can upload them along with our
+ diff."""
+ # Special used by git to indicate "no such content".
+ NULL_HASH = "0"*40
+
+ def IsFileNew(filename):
+ return filename in self.hashes and self.hashes[filename][0] is None
+
+ def AddSubversionPropertyChange(filename):
+ """Add svn's property change information into the patch if given file is
+ new file.
+
+ We use Subversion's auto-props setting to retrieve its property.
+ See http://svnbook.red-bean.com/en/1.1/ch07.html#svn-ch-7-sect-1.3.2 for
+ Subversion's [auto-props] setting.
+ """
+ if self.options.emulate_svn_auto_props and IsFileNew(filename):
+ svnprops = GetSubversionPropertyChanges(filename)
+ if svnprops:
+ svndiff.append("\n" + svnprops + "\n")
+
+ svndiff = []
+ filecount = 0
+ filename = None
+ for line in gitdiff.splitlines():
+ match = re.match(r"diff --git a/(.*) b/(.*)$", line)
+ if match:
+ # Add auto property here for previously seen file.
+ if filename is not None:
+ AddSubversionPropertyChange(filename)
+ filecount += 1
+ # Intentionally use the "after" filename so we can show renames.
+ filename = match.group(2)
+ svndiff.append("Index: %s\n" % filename)
+ if match.group(1) != match.group(2):
+ self.renames[match.group(2)] = match.group(1)
+ else:
+ # The "index" line in a git diff looks like this (long hashes elided):
+ # index 82c0d44..b2cee3f 100755
+ # We want to save the left hash, as that identifies the base file.
+ match = re.match(r"index (\w+)\.\.(\w+)", line)
+ if match:
+ before, after = (match.group(1), match.group(2))
+ if before == NULL_HASH:
+ before = None
+ if after == NULL_HASH:
+ after = None
+ self.hashes[filename] = (before, after)
+ svndiff.append(line + "\n")
+ if not filecount:
+ ErrorExit("No valid patches found in output from git diff")
+ # Add auto property for the last seen file.
+ assert filename is not None
+ AddSubversionPropertyChange(filename)
+ return "".join(svndiff)
+
+ def GenerateDiff(self, extra_args):
+ extra_args = extra_args[:]
+ if self.options.revision:
+ if ":" in self.options.revision:
+ extra_args = self.options.revision.split(":", 1) + extra_args
+ else:
+ extra_args = [self.options.revision] + extra_args
+
+ # --no-ext-diff is broken in some versions of Git, so try to work around
+ # this by overriding the environment (but there is still a problem if the
+ # git config key "diff.external" is used).
+ env = os.environ.copy()
+ if 'GIT_EXTERNAL_DIFF' in env: del env['GIT_EXTERNAL_DIFF']
+ return RunShell(["git", "diff", "--no-ext-diff", "--full-index", "-M"]
+ + extra_args, env=env)
+
+ def GetUnknownFiles(self):
+ status = RunShell(["git", "ls-files", "--exclude-standard", "--others"],
+ silent_ok=True)
+ return status.splitlines()
+
+ def GetFileContent(self, file_hash, is_binary):
+ """Returns the content of a file identified by its git hash."""
+ data, retcode = RunShellWithReturnCode(["git", "show", file_hash],
+ universal_newlines=not is_binary)
+ if retcode:
+ ErrorExit("Got error status from 'git show %s'" % file_hash)
+ return data
+
+ def GetBaseFile(self, filename):
+ hash_before, hash_after = self.hashes.get(filename, (None,None))
+ base_content = None
+ new_content = None
+ is_binary = self.IsBinary(filename)
+ status = None
+
+ if filename in self.renames:
+ status = "A +" # Match svn attribute name for renames.
+ if filename not in self.hashes:
+ # If a rename doesn't change the content, we never get a hash.
+ base_content = RunShell(["git", "show", "HEAD:" + filename])
+ elif not hash_before:
+ status = "A"
+ base_content = ""
+ elif not hash_after:
+ status = "D"
+ else:
+ status = "M"
+
+ is_image = self.IsImage(filename)
+
+ # Grab the before/after content if we need it.
+ # We should include file contents if it's text or it's an image.
+ if not is_binary or is_image:
+ # Grab the base content if we don't have it already.
+ if base_content is None and hash_before:
+ base_content = self.GetFileContent(hash_before, is_binary)
+ # Only include the "after" file if it's an image; otherwise it
+ # it is reconstructed from the diff.
+ if is_image and hash_after:
+ new_content = self.GetFileContent(hash_after, is_binary)
+
+ return (base_content, new_content, is_binary, status)
+
+
+class MercurialVCS(VersionControlSystem):
+ """Implementation of the VersionControlSystem interface for Mercurial."""
+
+ def __init__(self, options, repo_dir):
+ super(MercurialVCS, self).__init__(options)
+ # Absolute path to repository (we can be in a subdir)
+ self.repo_dir = os.path.normpath(repo_dir)
+ # Compute the subdir
+ cwd = os.path.normpath(os.getcwd())
+ assert cwd.startswith(self.repo_dir)
+ self.subdir = cwd[len(self.repo_dir):].lstrip(r"\/")
+ if self.options.revision:
+ self.base_rev = self.options.revision
+ else:
+ self.base_rev = RunShell(["hg", "parent", "-q"]).split(':')[1].strip()
+
+ def _GetRelPath(self, filename):
+ """Get relative path of a file according to the current directory,
+ given its logical path in the repo."""
+ assert filename.startswith(self.subdir), (filename, self.subdir)
+ return filename[len(self.subdir):].lstrip(r"\/")
+
+ def GenerateDiff(self, extra_args):
+ # If no file specified, restrict to the current subdir
+ extra_args = extra_args or ["."]
+ cmd = ["hg", "diff", "--git", "-r", self.base_rev] + extra_args
+ data = RunShell(cmd, silent_ok=True)
+ svndiff = []
+ filecount = 0
+ for line in data.splitlines():
+ m = re.match("diff --git a/(\S+) b/(\S+)", line)
+ if m:
+ # Modify line to make it look like as it comes from svn diff.
+ # With this modification no changes on the server side are required
+ # to make upload.py work with Mercurial repos.
+ # NOTE: for proper handling of moved/copied files, we have to use
+ # the second filename.
+ filename = m.group(2)
+ svndiff.append("Index: %s" % filename)
+ svndiff.append("=" * 67)
+ filecount += 1
+ logging.info(line)
+ else:
+ svndiff.append(line)
+ if not filecount:
+ ErrorExit("No valid patches found in output from hg diff")
+ return "\n".join(svndiff) + "\n"
+
+ def GetUnknownFiles(self):
+ """Return a list of files unknown to the VCS."""
+ args = []
+ status = RunShell(["hg", "status", "--rev", self.base_rev, "-u", "."],
+ silent_ok=True)
+ unknown_files = []
+ for line in status.splitlines():
+ st, fn = line.split(" ", 1)
+ if st == "?":
+ unknown_files.append(fn)
+ return unknown_files
+
+ def GetBaseFile(self, filename):
+ # "hg status" and "hg cat" both take a path relative to the current subdir
+ # rather than to the repo root, but "hg diff" has given us the full path
+ # to the repo root.
+ base_content = ""
+ new_content = None
+ is_binary = False
+ oldrelpath = relpath = self._GetRelPath(filename)
+ # "hg status -C" returns two lines for moved/copied files, one otherwise
+ out = RunShell(["hg", "status", "-C", "--rev", self.base_rev, relpath])
+ out = out.splitlines()
+ # HACK: strip error message about missing file/directory if it isn't in
+ # the working copy
+ if out[0].startswith('%s: ' % relpath):
+ out = out[1:]
+ if len(out) > 1:
+ # Moved/copied => considered as modified, use old filename to
+ # retrieve base contents
+ oldrelpath = out[1].strip()
+ status = "M"
+ else:
+ status, _ = out[0].split(' ', 1)
+ if ":" in self.base_rev:
+ base_rev = self.base_rev.split(":", 1)[0]
+ else:
+ base_rev = self.base_rev
+ if status != "A":
+ base_content = RunShell(["hg", "cat", "-r", base_rev, oldrelpath],
+ silent_ok=True)
+ is_binary = "\0" in base_content # Mercurial's heuristic
+ if status != "R":
+ new_content = open(relpath, "rb").read()
+ is_binary = is_binary or "\0" in new_content
+ if is_binary and base_content:
+ # Fetch again without converting newlines
+ base_content = RunShell(["hg", "cat", "-r", base_rev, oldrelpath],
+ silent_ok=True, universal_newlines=False)
+ if not is_binary or not self.IsImage(relpath):
+ new_content = None
+ return base_content, new_content, is_binary, status
+
+
+# NOTE: The SplitPatch function is duplicated in engine.py, keep them in sync.
+def SplitPatch(data):
+ """Splits a patch into separate pieces for each file.
+
+ Args:
+ data: A string containing the output of svn diff.
+
+ Returns:
+ A list of 2-tuple (filename, text) where text is the svn diff output
+ pertaining to filename.
+ """
+ patches = []
+ filename = None
+ diff = []
+ for line in data.splitlines(True):
+ new_filename = None
+ if line.startswith('Index:'):
+ unused, new_filename = line.split(':', 1)
+ new_filename = new_filename.strip()
+ elif line.startswith('Property changes on:'):
+ unused, temp_filename = line.split(':', 1)
+ # When a file is modified, paths use '/' between directories, however
+ # when a property is modified '\' is used on Windows. Make them the same
+ # otherwise the file shows up twice.
+ temp_filename = temp_filename.strip().replace('\\', '/')
+ if temp_filename != filename:
+ # File has property changes but no modifications, create a new diff.
+ new_filename = temp_filename
+ if new_filename:
+ if filename and diff:
+ patches.append((filename, ''.join(diff)))
+ filename = new_filename
+ diff = [line]
+ continue
+ if diff is not None:
+ diff.append(line)
+ if filename and diff:
+ patches.append((filename, ''.join(diff)))
+ return patches
+
+
+def UploadSeparatePatches(issue, rpc_server, patchset, data, options):
+ """Uploads a separate patch for each file in the diff output.
+
+ Returns a list of [patch_key, filename] for each file.
+ """
+ patches = SplitPatch(data)
+ rv = []
+ for patch in patches:
+ if len(patch[1]) > MAX_UPLOAD_SIZE:
+ print ("Not uploading the patch for " + patch[0] +
+ " because the file is too large.")
+ continue
+ form_fields = [("filename", patch[0])]
+ if not options.download_base:
+ form_fields.append(("content_upload", "1"))
+ files = [("data", "data.diff", patch[1])]
+ ctype, body = EncodeMultipartFormData(form_fields, files)
+ url = "/%d/upload_patch/%d" % (int(issue), int(patchset))
+ print "Uploading patch for " + patch[0]
+ response_body = rpc_server.Send(url, body, content_type=ctype)
+ lines = response_body.splitlines()
+ if not lines or lines[0] != "OK":
+ StatusUpdate(" --> %s" % response_body)
+ sys.exit(1)
+ rv.append([lines[1], patch[0]])
+ return rv
+
+
+def GuessVCSName():
+ """Helper to guess the version control system.
+
+ This examines the current directory, guesses which VersionControlSystem
+ we're using, and returns an string indicating which VCS is detected.
+
+ Returns:
+ A pair (vcs, output). vcs is a string indicating which VCS was detected
+ and is one of VCS_GIT, VCS_MERCURIAL, VCS_SUBVERSION, or VCS_UNKNOWN.
+ output is a string containing any interesting output from the vcs
+ detection routine, or None if there is nothing interesting.
+ """
+ # Mercurial has a command to get the base directory of a repository
+ # Try running it, but don't die if we don't have hg installed.
+ # NOTE: we try Mercurial first as it can sit on top of an SVN working copy.
+ try:
+ out, returncode = RunShellWithReturnCode(["hg", "root"])
+ if returncode == 0:
+ return (VCS_MERCURIAL, out.strip())
+ except OSError, (errno, message):
+ if errno != 2: # ENOENT -- they don't have hg installed.
+ raise
+
+ # Subversion has a .svn in all working directories.
+ if os.path.isdir('.svn'):
+ logging.info("Guessed VCS = Subversion")
+ return (VCS_SUBVERSION, None)
+
+ # Git has a command to test if you're in a git tree.
+ # Try running it, but don't die if we don't have git installed.
+ try:
+ out, returncode = RunShellWithReturnCode(["git", "rev-parse",
+ "--is-inside-work-tree"])
+ if returncode == 0:
+ return (VCS_GIT, None)
+ except OSError, (errno, message):
+ if errno != 2: # ENOENT -- they don't have git installed.
+ raise
+
+ return (VCS_UNKNOWN, None)
+
+
+def GuessVCS(options):
+ """Helper to guess the version control system.
+
+ This verifies any user-specified VersionControlSystem (by command line
+ or environment variable). If the user didn't specify one, this examines
+ the current directory, guesses which VersionControlSystem we're using,
+ and returns an instance of the appropriate class. Exit with an error
+ if we can't figure it out.
+
+ Returns:
+ A VersionControlSystem instance. Exits if the VCS can't be guessed.
+ """
+ vcs = options.vcs
+ if not vcs:
+ vcs = os.environ.get("CODEREVIEW_VCS")
+ if vcs:
+ v = VCS_ABBREVIATIONS.get(vcs.lower())
+ if v is None:
+ ErrorExit("Unknown version control system %r specified." % vcs)
+ (vcs, extra_output) = (v, None)
+ else:
+ (vcs, extra_output) = GuessVCSName()
+
+ if vcs == VCS_MERCURIAL:
+ if extra_output is None:
+ extra_output = RunShell(["hg", "root"]).strip()
+ return MercurialVCS(options, extra_output)
+ elif vcs == VCS_SUBVERSION:
+ return SubversionVCS(options)
+ elif vcs == VCS_GIT:
+ return GitVCS(options)
+
+ ErrorExit(("Could not guess version control system. "
+ "Are you in a working copy directory?"))
+
+
+def CheckReviewer(reviewer):
+ """Validate a reviewer -- either a nickname or an email addres.
+
+ Args:
+ reviewer: A nickname or an email address.
+
+ Calls ErrorExit() if it is an invalid email address.
+ """
+ if "@" not in reviewer:
+ return # Assume nickname
+ parts = reviewer.split("@")
+ if len(parts) > 2:
+ ErrorExit("Invalid email address: %r" % reviewer)
+ assert len(parts) == 2
+ if "." not in parts[1]:
+ ErrorExit("Invalid email address: %r" % reviewer)
+
+
+def LoadSubversionAutoProperties():
+ """Returns the content of [auto-props] section of Subversion's config file as
+ a dictionary.
+
+ Returns:
+ A dictionary whose key-value pair corresponds the [auto-props] section's
+ key-value pair.
+ In following cases, returns empty dictionary:
+ - config file doesn't exist, or
+ - 'enable-auto-props' is not set to 'true-like-value' in [miscellany].
+ """
+ # Todo(hayato): Windows users might use different path for configuration file.
+ subversion_config = os.path.expanduser("~/.subversion/config")
+ if not os.path.exists(subversion_config):
+ return {}
+ config = ConfigParser.ConfigParser()
+ config.read(subversion_config)
+ if (config.has_section("miscellany") and
+ config.has_option("miscellany", "enable-auto-props") and
+ config.getboolean("miscellany", "enable-auto-props") and
+ config.has_section("auto-props")):
+ props = {}
+ for file_pattern in config.options("auto-props"):
+ props[file_pattern] = ParseSubversionPropertyValues(
+ config.get("auto-props", file_pattern))
+ return props
+ else:
+ return {}
+
+def ParseSubversionPropertyValues(props):
+ """Parse the given property value which comes from [auto-props] section and
+ returns a list whose element is a (svn_prop_key, svn_prop_value) pair.
+
+ See the following doctest for example.
+
+ >>> ParseSubversionPropertyValues('svn:eol-style=LF')
+ [('svn:eol-style', 'LF')]
+ >>> ParseSubversionPropertyValues('svn:mime-type=image/jpeg')
+ [('svn:mime-type', 'image/jpeg')]
+ >>> ParseSubversionPropertyValues('svn:eol-style=LF;svn:executable')
+ [('svn:eol-style', 'LF'), ('svn:executable', '*')]
+ """
+ key_value_pairs = []
+ for prop in props.split(";"):
+ key_value = prop.split("=")
+ assert len(key_value) <= 2
+ if len(key_value) == 1:
+ # If value is not given, use '*' as a Subversion's convention.
+ key_value_pairs.append((key_value[0], "*"))
+ else:
+ key_value_pairs.append((key_value[0], key_value[1]))
+ return key_value_pairs
+
+
+def GetSubversionPropertyChanges(filename):
+ """Return a Subversion's 'Property changes on ...' string, which is used in
+ the patch file.
+
+ Args:
+ filename: filename whose property might be set by [auto-props] config.
+
+ Returns:
+ A string like 'Property changes on |filename| ...' if given |filename|
+ matches any entries in [auto-props] section. None, otherwise.
+ """
+ global svn_auto_props_map
+ if svn_auto_props_map is None:
+ svn_auto_props_map = LoadSubversionAutoProperties()
+
+ all_props = []
+ for file_pattern, props in svn_auto_props_map.items():
+ if fnmatch.fnmatch(filename, file_pattern):
+ all_props.extend(props)
+ if all_props:
+ return FormatSubversionPropertyChanges(filename, all_props)
+ return None
+
+
+def FormatSubversionPropertyChanges(filename, props):
+ """Returns Subversion's 'Property changes on ...' strings using given filename
+ and properties.
+
+ Args:
+ filename: filename
+ props: A list whose element is a (svn_prop_key, svn_prop_value) pair.
+
+ Returns:
+ A string which can be used in the patch file for Subversion.
+
+ See the following doctest for example.
+
+ >>> print FormatSubversionPropertyChanges('foo.cc', [('svn:eol-style', 'LF')])
+ Property changes on: foo.cc
+ ___________________________________________________________________
+ Added: svn:eol-style
+ + LF
+ <BLANKLINE>
+ """
+ prop_changes_lines = [
+ "Property changes on: %s" % filename,
+ "___________________________________________________________________"]
+ for key, value in props:
+ prop_changes_lines.append("Added: " + key)
+ prop_changes_lines.append(" + " + value)
+ return "\n".join(prop_changes_lines) + "\n"
+
+
+def RealMain(argv, data=None):
+ """The real main function.
+
+ Args:
+ argv: Command line arguments.
+ data: Diff contents. If None (default) the diff is generated by
+ the VersionControlSystem implementation returned by GuessVCS().
+
+ Returns:
+ A 2-tuple (issue id, patchset id).
+ The patchset id is None if the base files are not uploaded by this
+ script (applies only to SVN checkouts).
+ """
+ logging.basicConfig(format=("%(asctime).19s %(levelname)s %(filename)s:"
+ "%(lineno)s %(message)s "))
+ os.environ['LC_ALL'] = 'C'
+ options, args = parser.parse_args(argv[1:])
+ global verbosity
+ verbosity = options.verbose
+ if verbosity >= 3:
+ logging.getLogger().setLevel(logging.DEBUG)
+ elif verbosity >= 2:
+ logging.getLogger().setLevel(logging.INFO)
+
+ vcs = GuessVCS(options)
+
+ base = options.base_url
+ if isinstance(vcs, SubversionVCS):
+ # Guessing the base field is only supported for Subversion.
+ # Note: Fetching base files may become deprecated in future releases.
+ guessed_base = vcs.GuessBase(options.download_base)
+ if base:
+ if guessed_base and base != guessed_base:
+ print "Using base URL \"%s\" from --base_url instead of \"%s\"" % \
+ (base, guessed_base)
+ else:
+ base = guessed_base
+
+ if not base and options.download_base:
+ options.download_base = True
+ logging.info("Enabled upload of base file")
+ if not options.assume_yes:
+ vcs.CheckForUnknownFiles()
+ if data is None:
+ data = vcs.GenerateDiff(args)
+ data = vcs.PostProcessDiff(data)
+ files = vcs.GetBaseFiles(data)
+ if verbosity >= 1:
+ print "Upload server:", options.server, "(change with -s/--server)"
+ if options.issue:
+ prompt = "Message describing this patch set: "
+ else:
+ prompt = "New issue subject: "
+ message = options.message or raw_input(prompt).strip()
+ if not message:
+ ErrorExit("A non-empty message is required")
+ rpc_server = GetRpcServer(options.server,
+ options.email,
+ options.host,
+ options.save_cookies,
+ options.account_type)
+ form_fields = [("subject", message)]
+ if base:
+ form_fields.append(("base", base))
+ if options.issue:
+ form_fields.append(("issue", str(options.issue)))
+ if options.email:
+ form_fields.append(("user", options.email))
+ if options.reviewers:
+ for reviewer in options.reviewers.split(','):
+ CheckReviewer(reviewer)
+ form_fields.append(("reviewers", options.reviewers))
+ if options.cc:
+ for cc in options.cc.split(','):
+ CheckReviewer(cc)
+ form_fields.append(("cc", options.cc))
+ description = options.description
+ if options.description_file:
+ if options.description:
+ ErrorExit("Can't specify description and description_file")
+ file = open(options.description_file, 'r')
+ description = file.read()
+ file.close()
+ if description:
+ form_fields.append(("description", description))
+ # Send a hash of all the base file so the server can determine if a copy
+ # already exists in an earlier patchset.
+ base_hashes = ""
+ for file, info in files.iteritems():
+ if not info[0] is None:
+ checksum = md5(info[0]).hexdigest()
+ if base_hashes:
+ base_hashes += "|"
+ base_hashes += checksum + ":" + file
+ form_fields.append(("base_hashes", base_hashes))
+ if options.private:
+ if options.issue:
+ print "Warning: Private flag ignored when updating an existing issue."
+ else:
+ form_fields.append(("private", "1"))
+ # If we're uploading base files, don't send the email before the uploads, so
+ # that it contains the file status.
+ if options.send_mail and options.download_base:
+ form_fields.append(("send_mail", "1"))
+ if not options.download_base:
+ form_fields.append(("content_upload", "1"))
+ if len(data) > MAX_UPLOAD_SIZE:
+ print "Patch is large, so uploading file patches separately."
+ uploaded_diff_file = []
+ form_fields.append(("separate_patches", "1"))
+ else:
+ uploaded_diff_file = [("data", "data.diff", data)]
+ ctype, body = EncodeMultipartFormData(form_fields, uploaded_diff_file)
+ response_body = rpc_server.Send("/upload", body, content_type=ctype)
+ patchset = None
+ if not options.download_base or not uploaded_diff_file:
+ lines = response_body.splitlines()
+ if len(lines) >= 2:
+ msg = lines[0]
+ patchset = lines[1].strip()
+ patches = [x.split(" ", 1) for x in lines[2:]]
+ else:
+ msg = response_body
+ else:
+ msg = response_body
+ StatusUpdate(msg)
+ if not response_body.startswith("Issue created.") and \
+ not response_body.startswith("Issue updated."):
+ sys.exit(0)
+ issue = msg[msg.rfind("/")+1:]
+
+ if not uploaded_diff_file:
+ result = UploadSeparatePatches(issue, rpc_server, patchset, data, options)
+ if not options.download_base:
+ patches = result
+
+ if not options.download_base:
+ vcs.UploadBaseFiles(issue, rpc_server, patches, patchset, options, files)
+ if options.send_mail:
+ rpc_server.Send("/" + issue + "/mail", payload="")
+ return issue, patchset
+
+
+def main():
+ try:
+ RealMain(sys.argv)
+ except KeyboardInterrupt:
+ print
+ StatusUpdate("Interrupted.")
+ sys.exit(1)
+
+
+if __name__ == "__main__":
+ main()

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