/upload-diffs.py
Python | 1784 lines | 1695 code | 17 blank | 72 comment | 41 complexity | 1589180e0197a5f44945f980888474be MD5 | raw file
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- #!/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] [path...]
- 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.
- """
- # Taken from rietveld trunk (http://code.google.com/p/rietveld), r579
- # 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
- # Constants for GoogleCL.
- DEFAULT_REVIEWER = 'tom.h.miller@gmail.com'
- DEFAULT_CC = 'googlecl-dev@googlegroups.com'
- # 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] [path...]")
- 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.")
- 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=DEFAULT_REVIEWER,
- help="Add reviewers (comma separated email addresses).")
- group.add_option("--cc", action="store", dest="cc",
- metavar="CC", default=DEFAULT_CC,
- 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=False,
- help="Send notification email to reviewers.")
- group.add_option("--vcs", action="store", dest="vcs",
- metavar="VCS", default=None,
- 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):
- 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 -…
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