Mercurial > piecrust2

annotate foodtruck/sites.py @ 602:c6bc0ef03f82

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admin: Better UI for publishing websites. * Support multiple publish targets. * Dedicated UI for publishing. * Some UI polish.
author Ludovic Chabant <ludovic@chabant.com>
date Wed, 27 Jan 2016 18:02:25 -0800
parents effbc78b5528
children efc1dc916e7c
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1 import os
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2 import os.path
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3 import copy
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4 import shlex
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5 import logging
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6 import threading
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7 import subprocess
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8 from piecrust.app import PieCrust
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9 from piecrust.configuration import merge_dicts, Configuration
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10
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11
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12 logger = logging.getLogger(__name__)
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13
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14
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15 class UnauthorizedSiteAccessError(Exception):
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16 pass
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17
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18
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19 class InvalidSiteError(Exception):
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20 pass
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21
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22
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23 class Site(object):
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24 def __init__(self, name, root_dir, config):
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25 self.name = name
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26 self.root_dir = root_dir
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27 self.config = Configuration(values=config.get('sites/%s' % name, {}))
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28 self._global_config = config
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29 self._piecrust_app = None
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30 self._scm = None
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31 self._publish_thread = None
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32 logger.debug("Creating site object for %s" % self.name)
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33
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34 @property
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35 def piecrust_app(self):
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36 if self._piecrust_app is None:
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37 s = PieCrust(self.root_dir)
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38 s.config.set('site/root', '/site/%s/' % self.name)
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39 self._piecrust_app = s
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40 return self._piecrust_app
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41
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42 @property
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43 def scm(self):
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44 if self._scm is None:
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45 cfg = copy.deepcopy(self._global_config.get('scm', {}))
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46 merge_dicts(cfg, self.config.get('scm', {}))
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47
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48 if os.path.isdir(os.path.join(self.root_dir, '.hg')):
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49 from .scm.mercurial import MercurialSourceControl
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50 self._scm = MercurialSourceControl(self.root_dir, cfg)
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51 elif os.path.isdir(os.path.join(self.root_dir, '.git')):
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52 from .scm.git import GitSourceControl
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53 self._scm = GitSourceControl(self.root_dir, cfg)
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54 else:
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55 self._scm = False
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56
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57 return self._scm
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58
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59 @property
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60 def is_publish_running(self):
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61 return (self._publish_thread is not None and
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62 self._publish_thread.is_alive())
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63
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64 @property
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65 def publish_thread(self):
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66 return self._publish_thread
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67
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68 def publish(self, target):
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69 target_cfg = self.config.get('publish/%s' % target)
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70 if not target_cfg:
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71 raise Exception("No such publish target: %s" % target)
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72
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73 target_cmd = target_cfg.get('cmd')
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74 if not target_cmd:
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75 raise Exception("No command specified for publish target: %s" %
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76 target)
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77 publish_args = shlex.split(target_cmd)
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78
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79 logger.debug(
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80 "Executing publish target '%s': %s" % (target, publish_args))
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81 proc = subprocess.Popen(publish_args, cwd=self.root_dir,
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82 stdout=subprocess.PIPE,
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83 stderr=subprocess.PIPE)
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84
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85 pid_file_path = os.path.join(self.root_dir, '.ft_pub.pid')
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86 with open(pid_file_path, 'w') as fp:
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87 fp.write(str(proc.pid))
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88
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89 logger.debug("Running publishing monitor for PID %d" % proc.pid)
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90 self._publish_thread = _PublishThread(
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91 self.name, self.root_dir, proc, self._onPublishEnd)
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92 self._publish_thread.start()
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93
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94 def _onPublishEnd(self):
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95 os.unlink(os.path.join(self.root_dir, '.ft_pub.pid'))
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96 self._publish_thread = None
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97
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98
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99 class _PublishThread(threading.Thread):
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100 def __init__(self, sitename, siteroot, proc, callback):
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101 super(_PublishThread, self).__init__(
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102 name='%s_publish' % sitename, daemon=True)
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103 self.sitename = sitename
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104 self.siteroot = siteroot
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105 self.proc = proc
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106 self.callback = callback
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107
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108 log_file_path = os.path.join(self.siteroot, '.ft_pub.log')
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109 self.log_fp = open(log_file_path, 'w', encoding='utf8')
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110
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111 def run(self):
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112 for line in self.proc.stdout:
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113 self.log_fp.write(line.decode('utf8'))
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114 for line in self.proc.stderr:
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115 self.log_fp.write(line.decode('utf8'))
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116 self.proc.communicate()
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117 if self.proc.returncode != 0:
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118 self.log_fp.write("Error, publish process returned code %d" %
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119 self.proc.returncode)
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120 self.log_fp.close()
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121
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122 logger.debug("Publish ended for %s." % self.sitename)
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123 self.callback()
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124
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125
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126 class FoodTruckSites():
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127 def __init__(self, config, current_site):
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128 self._sites = {}
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129 self._site_dirs = {}
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130 self.config = config
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131 self.current_site = current_site
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132 if current_site is None:
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133 raise Exception("No current site was given.")
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134
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135 def get_root_dir(self, name=None):
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136 name = name or self.current_site
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137 s = self._site_dirs.get(name)
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138 if s:
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139 return s
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140
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141 scfg = self.config.get('sites/%s' % name)
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142 if scfg is None:
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143 raise InvalidSiteError("No such site: %s" % name)
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144 root_dir = scfg.get('path')
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145 if root_dir is None:
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146 raise InvalidSiteError("Site '%s' has no path defined." % name)
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147 if not os.path.isdir(root_dir):
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148 raise InvalidSiteError("Site '%s' has an invalid path." % name)
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149 self._site_dirs[name] = root_dir
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150 return root_dir
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151
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152 def get(self, name=None):
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153 name = name or self.current_site
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154 s = self._sites.get(name)
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155 if s:
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156 return s
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157
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158 root_dir = self.get_root_dir(name)
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159 s = Site(name, root_dir, self.config)
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160 self._sites[name] = s
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161 return s
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162