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258 lines
8.1 KiB
Python
258 lines
8.1 KiB
Python
"""jc - JSON CLI output utility `rpm -qi` command output parser
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Works with `rpm -qi [package]` or `rpm -qia`.
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The `build_epoch` calculated timestamp field is naive (i.e. based on the local time of the system the parser is run on)
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The `build_epoch_utc` calculated timestamp field is timezone-aware and is only available if the timezone field is UTC.
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Usage (cli):
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$ rpm -qia | jc --rpm-qi
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or
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$ jc rpm -qia
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Usage (module):
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import jc.parsers.rpm_qi
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result = jc.parsers.rpm_qi.parse(rpm_qi_command_output)
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Schema:
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[
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{
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"name": string,
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"epoch": integer,
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"version": string,
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"release": string,
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"architecture": string,
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"install_date": string,
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"group": string,
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"size": integer,
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"license": string,
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"signature": string,
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"source_rpm": string,
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"build_date": string,
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"build_epoch": integer, # naive timestamp
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"build_epoch_utc": integer, # Aware timestamp if timezone is UTC
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"build_host": string,
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"relocations": string,
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"packager": string,
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"vendor": string,
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"url": string,
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"summary": string,
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"description": string
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}
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]
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Examples:
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$ rpm -qia | jc --rpm-qi -p
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[
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{
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"name": "make",
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"epoch": 1,
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"version": "3.82",
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"release": "24.el7",
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"architecture": "x86_64",
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"install_date": "Wed 16 Oct 2019 09:21:42 AM PDT",
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"group": "Development/Tools",
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"size": 1160660,
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"license": "GPLv2+",
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"signature": "RSA/SHA256, Thu 22 Aug 2019 02:34:59 PM PDT, Key ID 24c6a8a7f4a80eb5",
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"source_rpm": "make-3.82-24.el7.src.rpm",
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"build_date": "Thu 08 Aug 2019 05:47:25 PM PDT",
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"build_host": "x86-01.bsys.centos.org",
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"relocations": "(not relocatable)",
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"packager": "CentOS BuildSystem <http://bugs.centos.org>",
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"vendor": "CentOS",
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"url": "http://www.gnu.org/software/make/",
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"summary": "A GNU tool which simplifies the build process for users",
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"description": "A GNU tool for controlling the generation of executables and other non-source...",
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"build_epoch": 1565311645,
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"build_epoch_utc": null
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},
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{
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"name": "kbd-legacy",
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"version": "1.15.5",
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"release": "15.el7",
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"architecture": "noarch",
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"install_date": "Thu 15 Aug 2019 10:53:08 AM PDT",
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"group": "System Environment/Base",
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"size": 503608,
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"license": "GPLv2+",
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"signature": "RSA/SHA256, Mon 12 Nov 2018 07:17:49 AM PST, Key ID 24c6a8a7f4a80eb5",
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"source_rpm": "kbd-1.15.5-15.el7.src.rpm",
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"build_date": "Tue 30 Oct 2018 03:40:00 PM PDT",
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"build_host": "x86-01.bsys.centos.org",
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"relocations": "(not relocatable)",
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"packager": "CentOS BuildSystem <http://bugs.centos.org>",
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"vendor": "CentOS",
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"url": "http://ftp.altlinux.org/pub/people/legion/kbd",
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"summary": "Legacy data for kbd package",
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"description": "The kbd-legacy package contains original keymaps for kbd package. Please note...",
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"build_epoch": 1540939200,
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"build_epoch_utc": null
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},
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...
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]
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$ rpm -qia | jc --rpm-qi -p -r
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[
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{
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"name": "make",
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"epoch": "1",
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"version": "3.82",
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"release": "24.el7",
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"architecture": "x86_64",
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"install_date": "Wed 16 Oct 2019 09:21:42 AM PDT",
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"group": "Development/Tools",
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"size": "1160660",
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"license": "GPLv2+",
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"signature": "RSA/SHA256, Thu 22 Aug 2019 02:34:59 PM PDT, Key ID 24c6a8a7f4a80eb5",
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"source_rpm": "make-3.82-24.el7.src.rpm",
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"build_date": "Thu 08 Aug 2019 05:47:25 PM PDT",
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"build_host": "x86-01.bsys.centos.org",
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"relocations": "(not relocatable)",
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"packager": "CentOS BuildSystem <http://bugs.centos.org>",
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"vendor": "CentOS",
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"url": "http://www.gnu.org/software/make/",
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"summary": "A GNU tool which simplifies the build process for users",
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"description": "A GNU tool for controlling the generation of executables and other..."
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},
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{
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"name": "kbd-legacy",
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"version": "1.15.5",
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"release": "15.el7",
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"architecture": "noarch",
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"install_date": "Thu 15 Aug 2019 10:53:08 AM PDT",
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"group": "System Environment/Base",
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"size": "503608",
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"license": "GPLv2+",
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"signature": "RSA/SHA256, Mon 12 Nov 2018 07:17:49 AM PST, Key ID 24c6a8a7f4a80eb5",
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"source_rpm": "kbd-1.15.5-15.el7.src.rpm",
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"build_date": "Tue 30 Oct 2018 03:40:00 PM PDT",
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"build_host": "x86-01.bsys.centos.org",
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"relocations": "(not relocatable)",
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"packager": "CentOS BuildSystem <http://bugs.centos.org>",
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"vendor": "CentOS",
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"url": "http://ftp.altlinux.org/pub/people/legion/kbd",
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"summary": "Legacy data for kbd package",
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"description": "The kbd-legacy package contains original keymaps for kbd package..."
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},
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...
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]
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"""
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import jc.utils
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class info():
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"""Provides parser metadata (version, author, etc.)"""
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version = '1.1'
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description = '`rpm -qi` command parser'
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author = 'Kelly Brazil'
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author_email = 'kellyjonbrazil@gmail.com'
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# details = 'enter any other details here'
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# compatible options: linux, darwin, cygwin, win32, aix, freebsd
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compatible = ['linux']
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magic_commands = ['rpm -qi', 'rpm -qia', 'rpm -qai']
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__version__ = info.version
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def _process(proc_data):
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"""
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Final processing to conform to the schema.
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Parameters:
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proc_data: (List of Dictionaries) raw structured data to process
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Returns:
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List of Dictionaries. Structured data to conform to the schema.
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"""
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for entry in proc_data:
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int_list = ['epoch', 'size']
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for key in int_list:
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if key in entry:
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try:
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entry[key] = int(entry[key])
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except (ValueError):
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entry[key] = None
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if 'build_date' in entry:
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timestamp = jc.utils.timestamp(entry['build_date'])
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entry['build_epoch'] = timestamp.naive
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entry['build_epoch_utc'] = timestamp.utc
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return proc_data
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def parse(data, raw=False, quiet=False):
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"""
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Main text parsing function
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Parameters:
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data: (string) text data to parse
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raw: (boolean) output preprocessed JSON if True
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quiet: (boolean) suppress warning messages if True
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Returns:
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List of Dictionaries. Raw or processed structured data.
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"""
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if not quiet:
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jc.utils.compatibility(__name__, info.compatible)
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raw_output = []
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entry_obj = {}
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last_entry = None
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this_entry = None
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desc_entry = False
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description = []
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if jc.utils.has_data(data):
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for line in filter(None, data.splitlines()):
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split_line = line.split(': ', maxsplit=1)
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if split_line[0].startswith('Name') and len(split_line) == 2:
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this_entry = split_line[1].strip()
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if this_entry != last_entry:
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if entry_obj:
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if description:
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entry_obj['description'] = ' '.join(description)
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raw_output.append(entry_obj)
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entry_obj = {}
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last_entry = this_entry
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desc_entry = False
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if len(split_line) == 2:
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entry_obj[split_line[0].strip().lower().replace(' ', '_')] = split_line[1].strip()
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if line.startswith('Description :'):
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desc_entry = True
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description = []
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continue
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if desc_entry:
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description.append(line)
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if entry_obj:
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if description:
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entry_obj['description'] = ' '.join(description)
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raw_output.append(entry_obj)
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if raw:
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return raw_output
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else:
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return _process(raw_output)
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