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support app metadata in JSON format

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While the current text metadata format is good for human readability and
editability, it is difficult to produce and parse using code.  JSON is a
widespread standard format for easy automatic parsing and creating, while
having decent human readability.
This commit is contained in:
Hans-Christoph Steiner 2015-07-21 11:50:49 -07:00
parent 2b72634120
commit 84c9777e9e
1 changed files with 56 additions and 0 deletions
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56
fdroidserver/metadata.py
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@ -17,6 +17,7 @@
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import json
import os
import re
import glob
@ -488,6 +489,11 @@ def read_metadata(xref=True):
check_metadata(appinfo)
apps[appid] = appinfo
for metafile in sorted(glob.glob(os.path.join('metadata', '*.json'))):
appid, appinfo = parse_json_metadata(metafile)
check_metadata(appinfo)
apps[appid] = appinfo
if xref:
# Parse all descriptions at load time, just to ensure cross-referencing
# errors are caught early rather than when they hit the build server.
@ -595,6 +601,56 @@ def get_default_app_info_list():
# 'descriptionlines' - original lines of description as formatted in the
# metadata file.
#
def parse_json_metadata(metafile):
appid = os.path.basename(metafile)[0:-5] # strip path and .json
thisinfo = get_default_app_info_list()
thisinfo['id'] = appid
# fdroid metadata is only strings and booleans, no floats or ints. And
# json returns unicode, and fdroidserver still uses plain python strings
jsoninfo = json.load(open(metafile, 'r'),
parse_int=lambda s: s,
parse_float=lambda s: s)
supported_metadata = app_defaults.keys() + ['builds', 'comments']
for k, v in jsoninfo.iteritems():
if k == 'Requires Root':
if isinstance(v, basestring):
if re.match('^\s*(yes|true).*', v, flags=re.IGNORECASE):
jsoninfo[k] = 'Yes'
elif re.match('^\s*(no|false).*', v, flags=re.IGNORECASE):
jsoninfo[k] = 'No'
if isinstance(v, bool):
if v:
jsoninfo[k] = 'Yes'
else:
jsoninfo[k] = 'No'
if k not in supported_metadata:
logging.warn(metafile + ' contains unknown metadata key, ignoring: ' + k)
thisinfo.update(jsoninfo)
for build in thisinfo['builds']:
for k, v in build.iteritems():
if k in ('buildjni', 'gradle', 'maven', 'kivy'):
# convert standard types to mixed datatype legacy format
if isinstance(v, bool):
if v:
build[k] = ['yes']
else:
build[k] = ['no']
elif k == 'versionCode':
build['vercode'] = v
del build['versionCode']
elif k == 'versionName':
build['version'] = v
del build['versionName']
# TODO create schema using https://pypi.python.org/pypi/jsonschema
return (appid, thisinfo)
def parse_txt_metadata(metafile):
appid = None