Mercurial > piecrust2

annotate piecrust/publishing/sftp.py @ 767:3b33d9fb007c

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publish: Add support for `--preview` for the SFTP publisher.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 02 Jul 2016 01:27:56 -0700
parents dd03385adb62
children 13e8b50a2113
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rev   line source
759
dd03385adb62 publish: Add SFTP publisher.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
1 import os
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2 import os.path
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3 import socket
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4 import urllib.parse
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5 import getpass
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6 import logging
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7 import paramiko
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8 from piecrust.publishing.base import Publisher, PublisherConfigurationError
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9
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10
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11 logger = logging.getLogger(__name__)
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12
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13
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14 class SftpPublisher(Publisher):
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15 PUBLISHER_NAME = 'sftp'
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16 PUBLISHER_SCHEME = 'sftp'
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17
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18 def setupPublishParser(self, parser, app):
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19 parser.add_argument(
dd03385adb62 publish: Add SFTP publisher.
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20 '--force',
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21 action='store_true',
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22 help=("Upload the entire bake directory instead of only "
dd03385adb62 publish: Add SFTP publisher.
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23 "the files changed by the last bake."))
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24
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25 def run(self, ctx):
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26 remote = self.config
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27 if not self.has_url_config:
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28 host = self.getConfigValue('host')
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29 if not host:
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30 raise PublisherConfigurationError(
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31 "Publish target '%s' doesn't specify a 'host'." %
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32 self.target)
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33 remote = urllib.parse.urlparse(host)
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34
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35 hostname = remote.hostname
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36 port = remote.port or 22
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37 path = remote.path
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38 if not hostname:
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39 hostname = path
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40 path = ''
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41
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42 username = remote.username
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43 pkey_path = None
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44
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45 if not self.has_url_config:
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46 if not username:
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47 username = self.getConfigValue('username')
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48 if not path:
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49 path = self.getConfigValue('path')
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50
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51 pkey_path = self.getConfigValue('key')
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52
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53 password = None
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54 if username and not ctx.preview:
759
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55 password = getpass.getpass("Password for '%s': " % username)
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56
767
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57 if ctx.preview:
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58 logger.info("Would connect to %s:%s..." % (hostname, port))
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59 self._previewUpload(ctx, path)
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60 return
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61
759
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62 logger.debug("Connecting to %s:%s..." % (hostname, port))
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63 lfk = (not username and not pkey_path)
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64 sshc = paramiko.SSHClient()
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65 sshc.load_system_host_keys()
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66 sshc.set_missing_host_key_policy(paramiko.WarningPolicy())
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67 sshc.connect(
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68 hostname, port=port,
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69 username=username, password=password,
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70 key_filename=pkey_path,
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71 look_for_keys=lfk)
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72 try:
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73 logger.info("Connected as %s" %
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74 sshc.get_transport().get_username())
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75 client = sshc.open_sftp()
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76 try:
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77 self._upload(sshc, client, ctx, path)
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78 finally:
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79 client.close()
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80 finally:
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81 sshc.close()
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82
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83 def _previewUpload(self, ctx, dest_dir):
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84 if not ctx.args.force:
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85 logger.info("Would upload new/changed files...")
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86 else:
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87 logger.info("Would upload entire website...")
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88
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89 def _upload(self, session, client, ctx, dest_dir):
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90 if dest_dir:
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91 if dest_dir.startswith('~/'):
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92 _, out_chan, _ = session.exec_command("echo $HOME")
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93 home_dir = out_chan.read().decode('utf8').strip()
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94 dest_dir = home_dir + dest_dir[1:]
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95 logger.debug("CHDIR %s" % dest_dir)
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96 try:
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97 client.chdir(dest_dir)
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98 except IOError:
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99 client.mkdir(dest_dir)
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100 client.chdir(dest_dir)
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101
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102 known_dirs = {}
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103 if ctx.was_baked and not ctx.args.force:
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104 to_upload = list(self.getBakedFiles(ctx))
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105 to_delete = list(self.getDeletedFiles(ctx))
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106 if to_upload or to_delete:
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107 logger.info("Uploading new/changed files...")
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108 for path in self.getBakedFiles(ctx):
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109 rel_path = os.path.relpath(path, ctx.bake_out_dir)
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110 logger.info(rel_path)
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111 if not ctx.preview:
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112 self._putFile(client, path, rel_path, known_dirs)
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113 logger.info("Deleting removed files...")
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114 for path in self.getDeletedFiles(ctx):
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115 rel_path = os.path.relpath(path, ctx.bake_out_dir)
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116 logger.info("%s [DELETE]" % rel_path)
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117 if not ctx.preview:
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118 try:
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119 client.remove(rel_path)
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120 except OSError:
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121 pass
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122 else:
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123 logger.info("Nothing to upload or delete on the remote server.")
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124 logger.info("If you want to force uploading the entire website, "
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125 "use the `--force` flag.")
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126 else:
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127 logger.info("Uploading entire website...")
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128 for dirpath, dirnames, filenames in os.walk(ctx.bake_out_dir):
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129 for f in filenames:
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130 abs_f = os.path.join(dirpath, f)
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131 rel_f = os.path.relpath(abs_f, ctx.bake_out_dir)
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132 logger.info(rel_f)
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133 if not ctx.preview:
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134 self._putFile(client, abs_f, rel_f, known_dirs)
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135
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136 def _putFile(self, client, local_path, remote_path, known_dirs):
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137 # Split the remote path in bits.
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138 remote_path = os.path.normpath(remote_path)
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139 if os.sep != '/':
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140 remote_path = remote_path.sub(os.sep, '/')
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141
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142 # Make sure each directory in the remote path exists... to prevent
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Ludovic Chabant <ludovic@chabant.com>
parents:
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143 # testing the same directories several times, we keep a cache of
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144 # `known_dirs` which we know exist.
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145 remote_bits = remote_path.split('/')
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146 cur = ''
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147 for b in remote_bits[:-1]:
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148 cur = os.path.join(cur, b)
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149 if cur not in known_dirs:
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150 try:
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151 info = client.stat(cur)
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152 except FileNotFoundError:
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153 logger.debug("Creating remote dir: %s" % cur)
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154 client.mkdir(cur)
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155 known_dirs[cur] = True
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156
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157 # Should be all good! Upload the file.
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158 client.put(local_path, remote_path)
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159