[36] | 1 |
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[919] | 2 | from .config import Config
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| 3 | from .util import utf2unicode
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[36] | 4 |
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| 5 | import os
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| 6 | import sys
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[919] | 7 | import urllib.request, urllib.error, urllib.parse
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[36] | 8 | import tempfile
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| 9 | import socket
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| 10 | import subprocess
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[37] | 11 | import hashlib
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[788] | 12 | import traceback
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[948] | 13 | import io
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[977] | 14 | import certifi
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[36] | 15 |
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[39] | 16 | if os.name=="nt":
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| 17 | import win32api
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| 18 |
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[36] | 19 | #------------------------------------------------------------------------------
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| 20 |
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[298] | 21 | ## @package mlx.update
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| 22 | #
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| 23 | # Automatic update handling.
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| 24 | #
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| 25 | # The program can update itself automatically. For this purpose it maintains a
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| 26 | # manifest of the files installed containing the relative paths, sizes and
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| 27 | # checksums of each files. When the program starts up, this manifest file is
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| 28 | # downloaded from the update server and is compared to the local one. Then the
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| 29 | # updated and new files are downloaded with names that are created by appending
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| 30 | # the checksum to the actual name, so as not to overwrite any existing files at
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| 31 | # this stage. If all files are downloaded, the downloaded files are renamed to
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| 32 | # their real names. On Windows, the old file is removed first to avoid trouble
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| 33 | # with 'busy' files. If removing a file fails, the file will be moved to a
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| 34 | # temporary directory, that will be removed when the program starts the next
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| 35 | # time.
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| 36 |
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| 37 | #------------------------------------------------------------------------------
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| 38 |
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[36] | 39 | manifestName = "MLXMANIFEST"
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[37] | 40 | toremoveName = "toremove"
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[36] | 41 |
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| 42 | #------------------------------------------------------------------------------
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| 43 |
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| 44 | class Manifest(object):
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| 45 | """The manifest of the files.
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| 46 |
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| 47 | The manifest file consists of one line for each file. Each line contains 3
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| 48 | items separated by tabs:
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| 49 | - the path of the file relative to the distribution's root
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| 50 | - the size of the file
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| 51 | - the MD5 sum of the file."""
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| 52 | def __init__(self):
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| 53 | """Construct the manifest."""
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| 54 | self._files = {}
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| 55 |
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| 56 | @property
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| 57 | def files(self):
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| 58 | """Get an iterator over the files.
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| 59 |
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| 60 | Each file is returned as a 3-tuple with items as in the file."""
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[919] | 61 | for (path, (size, sum)) in self._files.items():
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[36] | 62 | yield (path, size, sum)
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[189] | 63 |
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| 64 | def copy(self):
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| 65 | """Create a copy of the manifest."""
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| 66 | manifest = Manifest()
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| 67 | manifest._files = self._files.copy()
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| 68 | return manifest
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[36] | 69 |
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| 70 | def addFile(self, path, size, sum):
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| 71 | """Add a file to the manifest."""
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[37] | 72 | self._files[path] = (size, sum)
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[36] | 73 |
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[37] | 74 | def addFiles(self, baseDirectory, subdirectory):
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| 75 | """Add the files in the given directory and subdirectories of it to the
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| 76 | manifest."""
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| 77 | directory = baseDirectory
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| 78 | for d in subdirectory: directory = os.path.join(directory, d)
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| 79 |
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| 80 | for entry in os.listdir(directory):
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| 81 | fullPath = os.path.join(directory, entry)
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| 82 | if os.path.isfile(fullPath):
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| 83 | size = os.stat(fullPath).st_size
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| 84 | sum = hashlib.md5()
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| 85 | with open(fullPath, "rb") as f:
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| 86 | while True:
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| 87 | data = f.read(4096)
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| 88 | if data: sum.update(data)
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| 89 | else: break
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| 90 | self.addFile("/".join(subdirectory + [entry]), size,
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| 91 | sum.hexdigest())
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| 92 | elif os.path.isdir(fullPath):
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| 93 | self.addFiles(baseDirectory, subdirectory + [entry])
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| 94 |
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[36] | 95 | def readFrom(self, file):
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| 96 | """Read a manifest from the given file object."""
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| 97 | for line in iter(file.readline, ""):
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| 98 | (path, size, sum) = line.strip().split("\t")
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| 99 | self._files[path] = (int(size), sum)
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| 100 |
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| 101 | def writeInto(self, file):
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| 102 | """Write the manifest into the file at the given path."""
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[919] | 103 | for (path, (size, sum)) in self._files.items():
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[36] | 104 | file.write("%s\t%d\t%s\n" % (path, size, sum))
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| 105 |
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| 106 | def compare(self, other):
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| 107 | """Compare this manifest with the other one.
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| 108 |
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| 109 | This returns a tuple of two lists:
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| 110 | - the files that are either different or are present in other, but not
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| 111 | here. Each file is returned as a 3-tuple as with other functions, the
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| 112 | size and sum are those of the new file.
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| 113 | - the paths of the files that are present here, but not in other."""
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| 114 | modifiedAndNew = []
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| 115 | for (path, otherSize, otherSum) in other.files:
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| 116 | if path in self._files:
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| 117 | (size, sum) = self._files[path]
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| 118 | if size!=otherSize or sum!=otherSum:
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| 119 | modifiedAndNew.append((path, otherSize, otherSum))
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| 120 | else:
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| 121 | modifiedAndNew.append((path, otherSize, otherSum))
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| 122 |
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[949] | 123 | if os.name=="nt":
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| 124 | otherFiles = [path.lower() for path in other._files]
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| 125 | else:
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| 126 | otherFiles = other._files
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| 127 |
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| 128 | removed = [path for path in self._files if
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| 129 | (path.lower() if os.name=="nt" else path) not in otherFiles]
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[36] | 130 |
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| 131 | return (modifiedAndNew, removed)
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[189] | 132 |
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| 133 | def __contains__(self, path):
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| 134 | """Determine if the given path is in the manifest."""
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| 135 | return path in self._files
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| 136 |
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| 137 | def __getitem__(self, path):
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| 138 | """Get data of the file with the given path."""
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| 139 | return self._files[path] if path in self._files else None
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[36] | 140 |
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| 141 | #------------------------------------------------------------------------------
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| 142 |
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| 143 | class ClientListener(object):
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| 144 | """A listener that sends any requests via a socket."""
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| 145 | def __init__(self, sock):
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| 146 | """Construct the listener."""
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| 147 | self._sock = sock
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| 148 |
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| 149 | def downloadingManifest(self):
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| 150 | """Called when the downloading of the manifest has started."""
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| 151 | self._send(["downloadingManifest"])
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| 152 |
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| 153 | def downloadedManifest(self):
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| 154 | """Called when the manifest has been downloaded."""
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| 155 | self._send(["downloadedManifest"])
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| 156 |
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| 157 | def needSudo(self):
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| 158 | """Called when an admin-level program must be called to complete the
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| 159 | update.
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| 160 |
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| 161 | This is not valid from a client, as that client is supposed to be the
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| 162 | admin-level program :)"""
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| 163 | assert False
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| 164 |
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[37] | 165 | def setTotalSize(self, numToModifyAndNew, totalSize, numToRemove,
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| 166 | numToRemoveLocal):
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[36] | 167 | """Called when starting the downloading of the files."""
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| 168 | self._send(["setTotalSize", str(numToModifyAndNew), str(totalSize),
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[37] | 169 | str(numToRemove), str(numToRemoveLocal)])
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[36] | 170 |
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| 171 | def setDownloaded(self, downloaded):
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| 172 | """Called periodically after downloading a certain amount of data."""
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| 173 | self._send(["setDownloaded", str(downloaded)])
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| 174 |
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| 175 | def startRenaming(self):
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| 176 | """Called when the renaming of the downloaded files is started."""
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| 177 | self._send(["startRenaming"])
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| 178 |
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| 179 | def renamed(self, path, count):
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| 180 | """Called when a file has been renamed."""
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| 181 | self._send(["renamed", path, str(count)])
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| 182 |
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| 183 | def startRemoving(self):
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| 184 | """Called when the removing of files has started."""
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| 185 | self._send(["startRemoving"])
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| 186 |
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| 187 | def removed(self, path, count):
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| 188 | """Called when a file has been removed."""
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| 189 | self._send(["removed", path, str(count)])
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| 190 |
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| 191 | def writingManifest(self):
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| 192 | """Called when we have started writing the manifest."""
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| 193 | self._send(["writingManifest"])
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| 194 |
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| 195 | def done(self):
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| 196 | """Called when the update has completed."""
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| 197 | self._send(["done"])
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| 198 |
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| 199 | def failed(self, what):
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| 200 | """Called when something has failed."""
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| 201 | self._send(["failed", what])
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| 202 |
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| 203 | def _send(self, words):
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| 204 | """Send the given words via the socket."""
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[948] | 205 | self._sock.send(bytes("\t".join(words) + "\n", "utf-8"))
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[36] | 206 |
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| 207 | #------------------------------------------------------------------------------
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| 208 |
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| 209 | def readLocalManifest(directory):
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| 210 | """Read the local manifest from the given directory."""
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| 211 | manifestPath = os.path.join(directory, manifestName)
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| 212 |
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| 213 | manifest = Manifest()
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| 214 | try:
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| 215 | with open(manifestPath, "rt") as f:
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| 216 | manifest.readFrom(f)
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[919] | 217 | except Exception as e:
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| 218 | print("Error reading the manifest, ignoring:", utf2unicode(str(e)))
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[36] | 219 | manifest = Manifest()
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| 220 |
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| 221 | return manifest
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| 222 |
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| 223 | #------------------------------------------------------------------------------
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| 224 |
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| 225 | def prepareUpdate(directory, updateURL, listener):
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| 226 | """Prepare the update by downloading the manifest and comparing it with the
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| 227 | local one."""
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| 228 | manifest = readLocalManifest(directory)
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| 229 |
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| 230 | updateURL += "/" + os.name
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| 231 |
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| 232 | listener.downloadingManifest()
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| 233 | f = None
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| 234 | try:
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| 235 | updateManifest = Manifest()
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[977] | 236 | reply = urllib.request.urlopen(updateURL + "/" + manifestName,
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| 237 | cafile = certifi.where())
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[948] | 238 | charset = reply.headers.get_content_charset()
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| 239 | content = reply.read().decode("utf-8" if charset is None else charset)
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| 240 | updateManifest.readFrom(io.StringIO(content))
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[36] | 241 |
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[919] | 242 | except Exception as e:
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[401] | 243 | error = utf2unicode(str(e))
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[919] | 244 | print("Error downloading manifest:", error, file=sys.stderr)
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[401] | 245 | listener.failed(error)
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[36] | 246 | return None
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| 247 | finally:
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| 248 | if f is not None: f.close()
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| 249 |
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| 250 | listener.downloadedManifest()
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| 251 |
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| 252 | (modifiedAndNew, removed) = manifest.compare(updateManifest)
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| 253 |
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| 254 | return (manifest, updateManifest, modifiedAndNew, removed)
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| 255 |
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| 256 | #------------------------------------------------------------------------------
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| 257 |
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[37] | 258 | def getToremoveFiles(directory):
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| 259 | """Add the files to remove from the toremove directory."""
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| 260 | toremove = []
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| 261 | toremoveDirectory = os.path.join(directory, toremoveName)
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| 262 | if os.path.isdir(toremoveDirectory):
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| 263 | for entry in os.listdir(toremoveDirectory):
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| 264 | toremove.append(os.path.join(toremoveName, entry))
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| 265 | return toremove
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| 266 |
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| 267 | #------------------------------------------------------------------------------
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| 268 |
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[36] | 269 | def createLocalPath(directory, path):
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| 270 | """Create a local path from the given manifest path."""
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| 271 | localPath = directory
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| 272 | for element in path.split("/"):
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| 273 | localPath = os.path.join(localPath, element)
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| 274 | return localPath
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| 275 |
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| 276 | #------------------------------------------------------------------------------
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| 277 |
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[37] | 278 | def getToremoveDir(toremoveDir, directory):
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| 279 | """Get the path of the directory that will contain the files that are to be
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| 280 | removed."""
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| 281 | if toremoveDir is None:
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| 282 | toremoveDir = os.path.join(directory, toremoveName)
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| 283 | try:
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| 284 | os.mkdir(toremoveDir)
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| 285 | except:
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| 286 | pass
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| 287 |
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| 288 | return toremoveDir
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| 289 |
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| 290 | #------------------------------------------------------------------------------
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| 291 |
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| 292 | def removeFile(toremoveDir, directory, path):
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| 293 | """Remove the file at the given path or store it in a temporary directory.
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| 294 |
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| 295 | If the removal of the file fails, it will be stored in a temporary
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| 296 | directory. This is useful for files thay may be open and cannot be removed
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| 297 | right away."""
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| 298 | try:
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| 299 | os.remove(path)
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| 300 | except:
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| 301 | try:
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| 302 | sum = hashlib.md5()
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[948] | 303 | sum.update(bytes(path, "utf-8"))
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[37] | 304 | toremoveDir = getToremoveDir(toremoveDir, directory)
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[788] | 305 | targetPath = os.path.join(toremoveDir, sum.hexdigest())
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| 306 | try:
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| 307 | os.remove(targetPath)
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| 308 | except:
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| 309 | pass
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| 310 | os.rename(path, targetPath)
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[919] | 311 | except Exception as e:
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| 312 | print("Cannot remove file " + path + ": " + utf2unicode(str(e)))
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[37] | 313 |
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| 314 | #------------------------------------------------------------------------------
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| 315 |
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[781] | 316 | def removeFiles(directory, listener, removed, count):
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| 317 | """Remove the given files."""
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| 318 | toremoveDir = None
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| 319 |
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| 320 | listener.startRemoving()
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| 321 |
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| 322 | removed.sort(reverse = True)
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| 323 | for path in removed:
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| 324 | removePath = createLocalPath(directory, path)
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| 325 | removeFile(toremoveDir, directory, removePath)
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| 326 |
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| 327 | removeDirectory = os.path.dirname(removePath)
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| 328 | try:
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| 329 | os.removedirs(removeDirectory)
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| 330 | except:
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| 331 | pass
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| 332 |
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| 333 | count += 1
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| 334 | listener.removed(path, count)
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| 335 |
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| 336 | return count
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| 337 |
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| 338 | #------------------------------------------------------------------------------
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| 339 |
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[36] | 340 | def updateFiles(directory, updateURL, listener,
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[37] | 341 | manifest, modifiedAndNew, removed, localRemoved):
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[36] | 342 | """Update the files according to the given information."""
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| 343 | totalSize = 0
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| 344 | for (path, size, sum) in modifiedAndNew:
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| 345 | totalSize += size
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| 346 |
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[37] | 347 | listener.setTotalSize(len(modifiedAndNew), totalSize,
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| 348 | len(removed), len(localRemoved))
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[36] | 349 |
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| 350 | downloaded = 0
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| 351 | fin = None
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[37] | 352 | toremoveDir = None
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| 353 |
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[36] | 354 | try:
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| 355 | updateURL += "/" + os.name
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| 356 |
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[781] | 357 | removeCount = 0
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| 358 | if localRemoved:
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| 359 | removeCount = removeFiles(directory, listener,
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| 360 | localRemoved, removeCount)
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| 361 |
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[36] | 362 | for (path, size, sum) in modifiedAndNew:
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| 363 | targetFile = createLocalPath(directory, path)
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| 364 | targetFile += "."
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| 365 | targetFile += sum
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| 366 |
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| 367 | targetDirectory = os.path.dirname(targetFile)
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[950] | 368 | if targetDirectory and not os.path.isdir(targetDirectory):
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[36] | 369 | os.makedirs(targetDirectory)
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| 370 |
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| 371 | with open(targetFile, "wb") as fout:
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[977] | 372 | fin = urllib.request.urlopen(updateURL + "/" + path,
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| 373 | cafile = certifi.where())
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[36] | 374 | while True:
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[958] | 375 | data = fin.read(256*1024)
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[36] | 376 | if not data:
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| 377 | break
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| 378 | fout.write(data)
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| 379 | downloaded += len(data)
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| 380 | listener.setDownloaded(downloaded)
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| 381 | fin.close()
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| 382 | fin = None
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[37] | 383 |
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[36] | 384 | listener.startRenaming()
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| 385 | count = 0
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| 386 | for (path, size, sum) in modifiedAndNew:
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| 387 | targetFile = createLocalPath(directory, path)
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| 388 |
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| 389 | downloadedFile = targetFile + "." + sum
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| 390 | if os.name=="nt" and os.path.isfile(targetFile):
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[37] | 391 | removeFile(toremoveDir, directory, targetFile)
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[36] | 392 | os.rename(downloadedFile, targetFile)
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| 393 | count += 1
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| 394 | listener.renamed(path, count)
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[37] | 395 |
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[781] | 396 | removeFiles(directory, listener, removed, removeCount)
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[36] | 397 |
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| 398 | listener.writingManifest()
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| 399 |
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| 400 | manifestPath = os.path.join(directory, manifestName)
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| 401 | with open(manifestPath, "wt") as f:
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| 402 | manifest.writeInto(f)
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| 403 |
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| 404 | listener.done()
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[919] | 405 | except Exception as e:
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[788] | 406 | exc = traceback.format_exc()
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[919] | 407 | print(utf2unicode(exc), file=sys.stderr)
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[788] | 408 |
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[401] | 409 | error = utf2unicode(str(e))
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[919] | 410 | print("Error:", error, file=sys.stderr)
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[788] | 411 |
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[401] | 412 | listener.failed(error)
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[36] | 413 |
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| 414 | #------------------------------------------------------------------------------
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| 415 |
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| 416 | def isDirectoryWritable(directory):
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| 417 | """Determine if the given directory can be written."""
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| 418 | checkFile = os.path.join(directory, "writable.chk")
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| 419 | try:
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| 420 | f = open(checkFile, "wt")
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| 421 | f.close()
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| 422 | return True
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[919] | 423 | except Exception as e:
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[36] | 424 | return False
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| 425 | finally:
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| 426 | try:
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| 427 | os.remove(checkFile)
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| 428 | except:
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| 429 | pass
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| 430 |
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| 431 | #------------------------------------------------------------------------------
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| 432 |
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| 433 | def processMLXUpdate(buffer, listener):
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| 434 | """Process the given buffer supposedly containing a list of commands."""
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| 435 | endsWithLine = buffer[-1]=="\n"
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| 436 | lines = buffer.splitlines()
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| 437 |
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| 438 | if endsWithLine:
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| 439 | buffer = ""
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| 440 | else:
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| 441 | buffer = lines[-1]
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| 442 | lines = lines[:-1]
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| 443 |
|
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| 444 | for line in lines:
|
---|
| 445 | words = line.split("\t")
|
---|
| 446 | try:
|
---|
| 447 | command = words[0]
|
---|
| 448 | if command=="downloadingManifest":
|
---|
| 449 | listener.downloadingManifest()
|
---|
| 450 | elif command=="downloadedManifest":
|
---|
| 451 | listener.downloadedManifest()
|
---|
| 452 | elif command=="setTotalSize":
|
---|
[919] | 453 | listener.setTotalSize(int(words[1]), int(words[2]),
|
---|
[37] | 454 | int(words[3]), int(words[4]))
|
---|
[36] | 455 | elif command=="setDownloaded":
|
---|
[919] | 456 | listener.setDownloaded(int(words[1]))
|
---|
[36] | 457 | elif command=="startRenaming":
|
---|
| 458 | listener.startRenaming()
|
---|
| 459 | elif command=="renamed":
|
---|
| 460 | listener.renamed(words[1], int(words[2]))
|
---|
| 461 | elif command=="startRemoving":
|
---|
| 462 | listener.startRemoving()
|
---|
| 463 | elif command=="removed":
|
---|
| 464 | listener.removed(words[1], int(words[2]))
|
---|
| 465 | elif command=="writingManifest":
|
---|
| 466 | listener.writingManifest()
|
---|
| 467 | elif command=="done":
|
---|
| 468 | listener.done()
|
---|
| 469 | elif command=="failed":
|
---|
| 470 | listener.failed(words[1])
|
---|
[919] | 471 | except Exception as e:
|
---|
| 472 | print("Failed to parse line '%s': %s" % \
|
---|
| 473 | (line, utf2unicode(str(e))), file=sys.stderr)
|
---|
[36] | 474 |
|
---|
| 475 | return buffer
|
---|
| 476 |
|
---|
| 477 | #------------------------------------------------------------------------------
|
---|
| 478 |
|
---|
| 479 | def sudoUpdate(directory, updateURL, listener, manifest):
|
---|
| 480 | """Perform the update via the mlxupdate program."""
|
---|
| 481 | manifestFD = None
|
---|
| 482 | manifestFile = None
|
---|
| 483 | serverSocket = None
|
---|
| 484 | mlxUpdateSocket = None
|
---|
| 485 | try:
|
---|
| 486 | (manifestFD, manifestFile) = tempfile.mkstemp()
|
---|
| 487 | f = os.fdopen(manifestFD, "wt")
|
---|
| 488 | try:
|
---|
| 489 | manifest.writeInto(f)
|
---|
| 490 | finally:
|
---|
| 491 | f.close()
|
---|
| 492 | manifestFD = None
|
---|
| 493 |
|
---|
| 494 | serverSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
---|
[115] | 495 | serverSocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
---|
[36] | 496 | serverSocket.bind(("127.0.0.1", 0))
|
---|
| 497 | (_host, port) = serverSocket.getsockname()
|
---|
| 498 | serverSocket.listen(1)
|
---|
| 499 |
|
---|
[39] | 500 |
|
---|
| 501 | if os.name=="nt":
|
---|
| 502 | win32api.ShellExecute(0, "open", os.path.join(directory, "mlxupdate"),
|
---|
[671] | 503 | str(port) + " " + manifestFile + " " + updateURL, "", 1)
|
---|
[39] | 504 | else:
|
---|
| 505 | process = subprocess.Popen([os.path.join(directory, "mlxupdate"),
|
---|
[671] | 506 | str(port), manifestFile, updateURL],
|
---|
| 507 | shell = os.name=="nt")
|
---|
[36] | 508 |
|
---|
| 509 | (mlxUpdateSocket, _) = serverSocket.accept()
|
---|
| 510 | serverSocket.close()
|
---|
| 511 | serverSocket = None
|
---|
| 512 |
|
---|
| 513 | buffer = ""
|
---|
| 514 | while True:
|
---|
| 515 | data = mlxUpdateSocket.recv(4096)
|
---|
| 516 | if not data:
|
---|
| 517 | break;
|
---|
| 518 |
|
---|
[948] | 519 | buffer += str(data, "utf-8")
|
---|
[36] | 520 | buffer = processMLXUpdate(buffer, listener)
|
---|
| 521 |
|
---|
| 522 | mlxUpdateSocket.close()
|
---|
| 523 | mlxUpdateSocket = None
|
---|
| 524 |
|
---|
[39] | 525 | if os.name!="nt":
|
---|
| 526 | process.wait()
|
---|
| 527 |
|
---|
[919] | 528 | except Exception as e:
|
---|
[401] | 529 | error = utf2unicode(str(e))
|
---|
[919] | 530 | print("Failed updating:", error, file=sys.stderr)
|
---|
[401] | 531 | listener.failed(error)
|
---|
[36] | 532 | finally:
|
---|
| 533 | if serverSocket is not None:
|
---|
| 534 | try:
|
---|
| 535 | serverSocket.close()
|
---|
| 536 | except:
|
---|
| 537 | pass
|
---|
| 538 | if mlxUpdateSocket is not None:
|
---|
| 539 | try:
|
---|
| 540 | mlxUpdateSocket.close()
|
---|
| 541 | except:
|
---|
| 542 | pass
|
---|
| 543 | if manifestFD is not None:
|
---|
| 544 | try:
|
---|
| 545 | os.close(manifestFD)
|
---|
| 546 | except:
|
---|
| 547 | pass
|
---|
| 548 | if manifestFile is not None:
|
---|
| 549 | try:
|
---|
| 550 | os.remove(manifestFile)
|
---|
| 551 | except:
|
---|
| 552 | pass
|
---|
| 553 |
|
---|
| 554 |
|
---|
| 555 | #------------------------------------------------------------------------------
|
---|
| 556 |
|
---|
| 557 | def update(directory, updateURL, listener, fromGUI = False):
|
---|
| 558 | """Perform the update."""
|
---|
[788] | 559 | try:
|
---|
| 560 | result = prepareUpdate(directory, updateURL, listener)
|
---|
| 561 | if result is None:
|
---|
| 562 | return
|
---|
[36] | 563 |
|
---|
[788] | 564 | (manifest, updateManifest, modifiedAndNew, removed) = result
|
---|
| 565 | localRemoved = getToremoveFiles(directory)
|
---|
| 566 |
|
---|
| 567 | if not modifiedAndNew and not removed and not localRemoved:
|
---|
| 568 | listener.done()
|
---|
| 569 | return
|
---|
[36] | 570 |
|
---|
[788] | 571 | if fromGUI and not isDirectoryWritable(directory):
|
---|
| 572 | if listener.needSudo():
|
---|
| 573 | sudoUpdate(directory, updateURL, listener, updateManifest)
|
---|
| 574 | else:
|
---|
| 575 | updateFiles(directory, updateURL, listener, updateManifest,
|
---|
| 576 | modifiedAndNew, removed, localRemoved)
|
---|
[919] | 577 | except Exception as e:
|
---|
[788] | 578 | exc = traceback.format_exc()
|
---|
[919] | 579 | print(utf2unicode(exc), file=sys.stderr)
|
---|
[788] | 580 |
|
---|
| 581 | error = utf2unicode(str(e))
|
---|
[919] | 582 | print("Update error:", error, file=sys.stderr)
|
---|
[788] | 583 |
|
---|
| 584 | listener.failed(error)
|
---|
[36] | 585 |
|
---|
| 586 | #------------------------------------------------------------------------------
|
---|
| 587 |
|
---|
| 588 | def updateProcess():
|
---|
| 589 | """This is called in the child process, when we need a child process."""
|
---|
[788] | 590 | try:
|
---|
| 591 | clientSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
---|
| 592 | clientSocket.connect(("127.0.0.1", int(sys.argv[1])))
|
---|
[36] | 593 |
|
---|
[788] | 594 | directory = os.path.dirname(sys.argv[0])
|
---|
| 595 |
|
---|
| 596 | manifest = readLocalManifest(directory)
|
---|
[36] | 597 |
|
---|
[788] | 598 | updateManifest = Manifest()
|
---|
| 599 | with open(sys.argv[2], "rt") as f:
|
---|
| 600 | updateManifest.readFrom(f)
|
---|
| 601 |
|
---|
| 602 | (modifiedAndNew, removed) = manifest.compare(updateManifest)
|
---|
| 603 | localRemoved = getToremoveFiles(directory)
|
---|
[36] | 604 |
|
---|
[788] | 605 | updateFiles(directory, sys.argv[3],
|
---|
| 606 | ClientListener(clientSocket),
|
---|
| 607 | updateManifest, modifiedAndNew, removed, localRemoved)
|
---|
| 608 | except:
|
---|
| 609 | exc = traceback.format_exc()
|
---|
[919] | 610 | print(utf2unicode(exc), file=sys.stderr)
|
---|
[37] | 611 |
|
---|
| 612 | #------------------------------------------------------------------------------
|
---|
| 613 |
|
---|
| 614 | def buildManifest(directory):
|
---|
| 615 | """Build a manifest from the contents of the given directory, into the
|
---|
| 616 | given directory."""
|
---|
| 617 |
|
---|
| 618 | manifestPath = os.path.join(directory, manifestName)
|
---|
| 619 | try:
|
---|
| 620 | os.remove(manifestPath)
|
---|
| 621 | except:
|
---|
| 622 | pass
|
---|
| 623 |
|
---|
| 624 | manifest = Manifest()
|
---|
| 625 | manifest.addFiles(directory, [])
|
---|
| 626 | with open(manifestPath, "wt") as f:
|
---|
| 627 | manifest.writeInto(f)
|
---|
[36] | 628 |
|
---|
| 629 | #------------------------------------------------------------------------------
|
---|
| 630 |
|
---|
[37] | 631 | # if __name__ == "__main__":
|
---|
| 632 | # manifest1 = Manifest()
|
---|
| 633 | # manifest1.addFile("file1.exe", 3242, "40398754589435345934")
|
---|
| 634 | # manifest1.addFile("dir/file2.zip", 45645, "347893245873456987")
|
---|
| 635 | # manifest1.addFile("dir/file3.txt", 123, "3432434534534534")
|
---|
[36] | 636 |
|
---|
[37] | 637 | # with open("manifest1", "wt") as f:
|
---|
| 638 | # manifest1.writeInto(f)
|
---|
[36] | 639 |
|
---|
[37] | 640 | # manifest2 = Manifest()
|
---|
| 641 | # manifest2.addFile("file1.exe", 4353, "390734659834756349876")
|
---|
| 642 | # manifest2.addFile("dir/file2.zip", 45645, "347893245873456987")
|
---|
| 643 | # manifest2.addFile("dir/file4.log", 2390, "56546546546546")
|
---|
[36] | 644 |
|
---|
[37] | 645 | # with open("manifest2", "wt") as f:
|
---|
| 646 | # manifest2.writeInto(f)
|
---|
[36] | 647 |
|
---|
[37] | 648 | # manifest1 = Manifest()
|
---|
| 649 | # with open("manifest1", "rt") as f:
|
---|
| 650 | # manifest1.readFrom(f)
|
---|
[36] | 651 |
|
---|
[37] | 652 | # manifest2 = Manifest()
|
---|
| 653 | # with open("manifest2", "rt") as f:
|
---|
| 654 | # manifest2.readFrom(f)
|
---|
[36] | 655 |
|
---|
[37] | 656 | # (modifiedAndNew, removed) = manifest1.compare(manifest2)
|
---|
[36] | 657 |
|
---|
[37] | 658 | # for (path, size, sum) in modifiedAndNew:
|
---|
| 659 | # print "modified or new:", path, size, sum
|
---|
[36] | 660 |
|
---|
[37] | 661 | # for path in removed:
|
---|
| 662 | # print "removed:", path
|
---|
[36] | 663 |
|
---|
| 664 | #------------------------------------------------------------------------------
|
---|