Mercurial > piecrust2

annotate piecrust/publishing/publisher.py @ 651:cc2d212c3ba1 2.0.0b5

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cm: Regenerate the CHANGELOG.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 16 Feb 2016 22:32:58 -0800
parents 8f9c0bdb3724
children 6abb436fea5b
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1 import os.path
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2 import time
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3 import logging
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4 import urllib.parse
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5 from piecrust.chefutil import format_timed
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6 from piecrust.publishing.base import PublishingContext
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7
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8
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9 logger = logging.getLogger(__name__)
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10
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11
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12 class InvalidPublishTargetError(Exception):
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13 pass
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14
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15
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16 class PublishingError(Exception):
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17 pass
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18
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19
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20 class Publisher(object):
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21 def __init__(self, app):
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22 self.app = app
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23
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24 def run(self, target, preview=False, log_file=None):
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25 start_time = time.perf_counter()
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26
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27 # Get the configuration for this target.
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28 target_cfg = self.app.config.get('publish/%s' % target)
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29 if not target_cfg:
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30 raise InvalidPublishTargetError(
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31 "No such publish target: %s" % target)
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32
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33 target_type = None
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34 bake_first = True
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35 parsed_url = None
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36 if isinstance(target_cfg, dict):
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37 target_type = target_cfg.get('type')
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38 if not target_type:
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39 raise InvalidPublishTargetError(
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40 "Publish target '%s' doesn't specify a type." % target)
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41 bake_first = target_cfg.get('bake', True)
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42 elif isinstance(target_cfg, str):
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43 comps = urllib.parse.urlparse(target_cfg)
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44 if not comps.scheme:
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45 raise InvalidPublishTargetError(
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46 "Publish target '%s' has an invalid target URL." %
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47 target)
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48 parsed_url = comps
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49 target_type = find_publisher_name(self.app, comps.scheme)
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50 if target_type is None:
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51 raise InvalidPublishTargetError(
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52 "No such publish target scheme: %s" % comps.scheme)
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53
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54 # Setup logging stuff.
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55 hdlr = None
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56 root_logger = logging.getLogger()
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57 if log_file and not preview:
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58 logger.debug("Adding file handler for: %s" % log_file)
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59 hdlr = logging.FileHandler(log_file, mode='w', encoding='utf8')
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60 root_logger.addHandler(hdlr)
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61 if not preview:
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62 logger.info("Deploying to %s" % target)
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63 else:
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64 logger.info("Previewing deployment to %s" % target)
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65
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66 # Bake first is necessary.
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67 bake_out_dir = None
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68 if bake_first:
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69 bake_out_dir = os.path.join(self.app.cache_dir, 'pub', target)
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70 if not preview:
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71 bake_start_time = time.perf_counter()
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72 logger.debug("Baking first to: %s" % bake_out_dir)
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73
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74 from piecrust.baking.baker import Baker
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75 baker = Baker(self.app, bake_out_dir)
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76 rec1 = baker.bake()
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77
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78 from piecrust.processing.pipeline import ProcessorPipeline
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79 proc = ProcessorPipeline(self.app, bake_out_dir)
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80 rec2 = proc.run()
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81
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82 if not rec1.success or not rec2.success:
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83 raise Exception(
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84 "Error during baking, aborting publishing.")
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85 logger.info(format_timed(bake_start_time, "Baked website."))
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86 else:
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87 logger.info("Would bake to: %s" % bake_out_dir)
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88
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89 # Create the appropriate publisher.
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90 pub = None
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91 for pub_cls in self.app.plugin_loader.getPublishers():
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92 if pub_cls.PUBLISHER_NAME == target_type:
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93 pub = pub_cls(self.app, target)
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94 break
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95 if pub is None:
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96 raise InvalidPublishTargetError(
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97 "Publish target '%s' has invalid type: %s" %
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98 (target, target_type))
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99 pub.parsed_url = parsed_url
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100
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101 # Publish!
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102 logger.debug(
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103 "Running publish target '%s' with publisher: %s" %
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104 (target, pub.PUBLISHER_NAME))
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105 pub_start_time = time.perf_counter()
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106
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107 ctx = PublishingContext()
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108 ctx.bake_out_dir = bake_out_dir
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109 ctx.preview = preview
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110 try:
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111 success = pub.run(ctx)
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112 except Exception as ex:
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113 raise PublishingError(
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114 "Error publishing to target: %s" % target) from ex
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115 finally:
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116 if hdlr:
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117 root_logger.removeHandler(hdlr)
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118 hdlr.close()
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119
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120 if not success:
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121 raise PublishingError(
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122 "Unknown error publishing to target: %s" % target)
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123 logger.info(format_timed(
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124 pub_start_time, "Ran publisher %s" % pub.PUBLISHER_NAME))
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125
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126 logger.info(format_timed(start_time, 'Deployed to %s' % target))
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127
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128
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129 def find_publisher_class(app, scheme):
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130 for pub_cls in app.plugin_loader.getPublishers():
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131 pub_sch = getattr(pub_cls, 'PUBLISHER_SCHEME', None)
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132 if ('bake+%s' % pub_sch) == scheme:
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133 return pub_cls
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134 return None
8f9c0bdb3724 publish: Polish/refactor the publishing workflows.
Ludovic Chabant <ludovic@chabant.com>
parents: 613
diff changeset
135
8f9c0bdb3724 publish: Polish/refactor the publishing workflows.
Ludovic Chabant <ludovic@chabant.com>
parents: 613
diff changeset
136
8f9c0bdb3724 publish: Polish/refactor the publishing workflows.
Ludovic Chabant <ludovic@chabant.com>
parents: 613
diff changeset
137 def find_publisher_name(app, scheme):
8f9c0bdb3724 publish: Polish/refactor the publishing workflows.
Ludovic Chabant <ludovic@chabant.com>
parents: 613
diff changeset
138 pub_cls = find_publisher_class(app, scheme)
8f9c0bdb3724 publish: Polish/refactor the publishing workflows.
Ludovic Chabant <ludovic@chabant.com>
parents: 613
diff changeset
139 if pub_cls:
8f9c0bdb3724 publish: Polish/refactor the publishing workflows.
Ludovic Chabant <ludovic@chabant.com>
parents: 613
diff changeset
140 return pub_cls.PUBLISHER_NAME
8f9c0bdb3724 publish: Polish/refactor the publishing workflows.
Ludovic Chabant <ludovic@chabant.com>
parents: 613
diff changeset
141 return None
8f9c0bdb3724 publish: Polish/refactor the publishing workflows.
Ludovic Chabant <ludovic@chabant.com>
parents: 613
diff changeset
142