Mercurial > piecrust2

annotate piecrust/admin/siteinfo.py @ 1188:a7c43131d871

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bake: Fix file write flushing problem with Python 3.8+ Writing the cache files fails in Python 3.8 because it looks like flushing behaviour has changed. We need to explicitly flush. And even then, in very rare occurrences, it looks like it can still run into racing conditions, so we do a very hacky and ugly "retry" loop when fetching cached data :(
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 15 Jun 2021 22:36:23 -0700
parents 62900c42d6dd
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import os
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2 import os.path
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3 import sys
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4 import copy
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5 import logging
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6 import subprocess
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7 from flask import flash
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8 from piecrust import CACHE_DIR
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9 from piecrust.app import PieCrustFactory
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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 SiteInfo:
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24 def __init__(self, root_dir, *, url_prefix='', debug=False):
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25 self.root_dir = root_dir
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26 self.url_prefix = url_prefix
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27 self.debug = debug
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28 self._piecrust_factory = None
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29 self._piecrust_app = None
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30 self._scm = None
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31
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32 def make_url(self, rel_url):
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33 prefix = self.url_prefix
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34 if not prefix:
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35 return rel_url
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36 return prefix + rel_url
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37
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38 @property
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39 def piecrust_factory(self):
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40 if self._piecrust_factory is None:
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41 self._piecrust_factory = PieCrustFactory(
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42 self.root_dir,
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43 cache_key='admin',
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44 debug=self.debug,
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45 config_values=[
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46 ('site/root', self.make_url('/preview/')),
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47 ('site/asset_url_format', self.make_url(
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48 '/preview/_asset/%path%'))]
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49 )
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50 return self._piecrust_factory
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51
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52 @property
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53 def piecrust_app(self):
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54 if self._piecrust_app is None:
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55 logger.debug("Creating PieCrust admin app: %s" % self.root_dir)
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56 self._piecrust_app = self.piecrust_factory.create()
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57 return self._piecrust_app
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58
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59 @property
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60 def scm(self):
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61 if self._scm is None:
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62 cfg = copy.deepcopy(self.piecrust_app.config.get('scm', {}))
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63
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64 if os.path.isdir(os.path.join(self.root_dir, '.hg')):
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65 from .scm.mercurial import MercurialSourceControl
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66 self._scm = MercurialSourceControl(self.root_dir, cfg)
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67 elif os.path.isdir(os.path.join(self.root_dir, '.git')):
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68 from .scm.git import GitSourceControl
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69 self._scm = GitSourceControl(self.root_dir, cfg)
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70 else:
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71 self._scm = False
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72
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73 return self._scm
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74
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75 @property
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76 def publish_pid_file(self):
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77 return os.path.join(self.piecrust_app.cache_dir, 'publish.pid')
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78
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79 @property
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80 def publish_log_file(self):
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81 return os.path.join(self.piecrust_app.cache_dir, 'publish.log')
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82
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83 def rebakeAssets(self):
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84 out_dir = os.path.join(
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85 self.root_dir,
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86 CACHE_DIR,
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87 self.piecrust_factory.cache_key,
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88 'server')
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89 args = [
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90 '--no-color',
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91 'bake',
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92 '-o', out_dir,
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93 '--assets-only']
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94 proc = self._runChef(args)
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95 try:
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96 proc.wait(timeout=2)
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97 if proc.returncode == 0:
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98 flash("Assets baked successfully!")
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99 else:
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100 flash("Asset baking process returned '%s'... check the log." %
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101 proc.returncode)
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102 except subprocess.TimeoutExpired:
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103 flash("Asset baking process is still running... "
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104 "check the log later.")
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105
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106 def getPublishTargetLogFile(self, target):
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107 target = target.replace(' ', '_').lower()
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108 return os.path.join(self.piecrust_app.cache_dir,
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109 'publish.%s.log' % target)
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110
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111 def publish(self, target):
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112 args = [
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113 '--no-color',
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114 '--pid-file', self.publish_pid_file,
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115 '--log', self.publish_log_file,
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116 'publish',
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117 '--log-publisher', self.getPublishTargetLogFile(target),
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118 '--log-debug-info',
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119 target]
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120 proc = self._runChef(args)
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121 try:
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122 proc.wait(timeout=2)
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123 if proc.returncode == 0:
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124 flash("Publish process ran successfully!")
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125 else:
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126 flash("Publish process returned '%s'... check the log." %
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127 proc.returncode)
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128 except subprocess.TimeoutExpired:
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129 flash("Publish process is still running... check the log later.")
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130
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131 def runTask(self, task_id):
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132 args = [
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133 '--no-color',
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134 'tasks', 'run',
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parents: 1105
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135 '-t', task_id]
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Ludovic Chabant <ludovic@chabant.com>
parents: 1105
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136 self._runChef(args)
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Ludovic Chabant <ludovic@chabant.com>
parents: 1105
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137
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8101692fdc11 admin: Add a "rebake preview assets" button to the dashboard.
Ludovic Chabant <ludovic@chabant.com>
parents: 955
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138 def _runChef(self, args):
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Ludovic Chabant <ludovic@chabant.com>
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139 chef_path = os.path.realpath(os.path.join(
8101692fdc11 admin: Add a "rebake preview assets" button to the dashboard.
Ludovic Chabant <ludovic@chabant.com>
parents: 955
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140 os.path.dirname(__file__),
8101692fdc11 admin: Add a "rebake preview assets" button to the dashboard.
Ludovic Chabant <ludovic@chabant.com>
parents: 955
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141 '../../chef.py'))
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Ludovic Chabant <ludovic@chabant.com>
parents: 955
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142 args = [sys.executable, chef_path] + args
8101692fdc11 admin: Add a "rebake preview assets" button to the dashboard.
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parents: 955
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143
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Ludovic Chabant <ludovic@chabant.com>
parents: 955
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144 logger.info("Running chef command: %s" % args)
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62900c42d6dd admin: Don't pass a custom environment to sub-processes.
Ludovic Chabant <ludovic@chabant.com>
parents: 1114
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145 proc = subprocess.Popen(args, cwd=self.root_dir)
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Ludovic Chabant <ludovic@chabant.com>
parents: 955
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146 logger.info("Chef process ID: %s" % proc.pid)
8101692fdc11 admin: Add a "rebake preview assets" button to the dashboard.
Ludovic Chabant <ludovic@chabant.com>
parents: 955
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147 return proc