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Make poezio.common more Cython-friendly.

Browse source 
Also remove support for OLD_PYTHON (before 3.3), some unused constants,
mark private functions with a leading underscore, and clean up some
pep8 violations.
This commit is contained in:
Emmanuel Gil Peyrot 2015-10-21 01:32:18 +01:00
parent bfb02d64a8
commit 840ad7433f
1 changed files with 45 additions and 62 deletions
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107
poezio/common.py
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@ -9,7 +9,6 @@
Various useful functions. Various useful functions.
""" """
from sys import version_info
from datetime import datetime, timedelta from datetime import datetime, timedelta
from slixmpp import JID, InvalidJID from slixmpp import JID, InvalidJID
from poezio_shlex import shlex from poezio_shlex import shlex
@ -23,16 +22,6 @@ import time
import string import string
# Needed to avoid datetime.datetime.timestamp()
# on python < 3.3. Older versions do not get good dst detection.
OLD_PYTHON = (version_info.major + version_info.minor/10) < 3.3
ROOM_STATE_NONE = 11
ROOM_STATE_CURRENT = 10
ROOM_STATE_PRIVATE = 15
ROOM_STATE_MESSAGE = 12
ROOM_STATE_HL = 13
def get_base64_from_file(path): def get_base64_from_file(path):
""" """
Convert the content of a file to base64 Convert the content of a file to base64
@ -48,7 +37,7 @@ def get_base64_from_file(path):
return (None, None, "File does not exist") return (None, None, "File does not exist")
size = os.path.getsize(path) size = os.path.getsize(path)
if size > 16384: if size > 16384:
return (None, None,"File is too big") return (None, None, "File is too big")
fdes = open(path, 'rb') fdes = open(path, 'rb')
data = fdes.read() data = fdes.read()
encoded = base64.encodestring(data) encoded = base64.encodestring(data)
@ -56,7 +45,7 @@ def get_base64_from_file(path):
mime_type = mimetypes.guess_type(path)[0] mime_type = mimetypes.guess_type(path)[0]
return (encoded, mime_type, sha1) return (encoded, mime_type, sha1)
def get_output_of_command(command): def _get_output_of_command(command):
""" """
Runs a command and returns its output. Runs a command and returns its output.
@ -69,7 +58,7 @@ def get_output_of_command(command):
except subprocess.CalledProcessError: except subprocess.CalledProcessError:
return None return None
def is_in_path(command, return_abs_path=False): def _is_in_path(command, return_abs_path=False):
""" """
Check if *command* is in the $PATH or not. Check if *command* is in the $PATH or not.
@ -93,25 +82,25 @@ def is_in_path(command, return_abs_path=False):
return False return False
DISTRO_INFO = { DISTRO_INFO = {
'Arch Linux': '/etc/arch-release', 'Arch Linux': '/etc/arch-release',
'Aurox Linux': '/etc/aurox-release', 'Aurox Linux': '/etc/aurox-release',
'Conectiva Linux': '/etc/conectiva-release', 'Conectiva Linux': '/etc/conectiva-release',
'CRUX': '/usr/bin/crux', 'CRUX': '/usr/bin/crux',
'Debian GNU/Linux': '/etc/debian_version', 'Debian GNU/Linux': '/etc/debian_version',
'Fedora Linux': '/etc/fedora-release', 'Fedora Linux': '/etc/fedora-release',
'Gentoo Linux': '/etc/gentoo-release', 'Gentoo Linux': '/etc/gentoo-release',
'Linux from Scratch': '/etc/lfs-release', 'Linux from Scratch': '/etc/lfs-release',
'Mandrake Linux': '/etc/mandrake-release', 'Mandrake Linux': '/etc/mandrake-release',
'Slackware Linux': '/etc/slackware-version', 'Slackware Linux': '/etc/slackware-version',
'Solaris/Sparc': '/etc/release', 'Solaris/Sparc': '/etc/release',
'Source Mage': '/etc/sourcemage_version', 'Source Mage': '/etc/sourcemage_version',
'SUSE Linux': '/etc/SuSE-release', 'SUSE Linux': '/etc/SuSE-release',
'Sun JDS': '/etc/sun-release', 'Sun JDS': '/etc/sun-release',
'PLD Linux': '/etc/pld-release', 'PLD Linux': '/etc/pld-release',
'Yellow Dog Linux': '/etc/yellowdog-release', 'Yellow Dog Linux': '/etc/yellowdog-release',
# many distros use the /etc/redhat-release for compatibility # many distros use the /etc/redhat-release for compatibility
# so Redhat is the last # so Redhat is the last
'Redhat Linux': '/etc/redhat-release' 'Redhat Linux': '/etc/redhat-release'
} }
def get_os_info(): def get_os_info():
@ -124,7 +113,7 @@ def get_os_info():
if os.name == 'posix': if os.name == 'posix':
executable = 'lsb_release' executable = 'lsb_release'
params = ' --description --codename --release --short' params = ' --description --codename --release --short'
full_path_to_executable = is_in_path(executable, return_abs_path = True) full_path_to_executable = _is_in_path(executable, return_abs_path=True)
if full_path_to_executable: if full_path_to_executable:
command = executable + params command = executable + params
process = subprocess.Popen([command], shell=True, process = subprocess.Popen([command], shell=True,
@ -144,7 +133,7 @@ def get_os_info():
if os.access(path_to_file, os.X_OK): if os.access(path_to_file, os.X_OK):
# the file is executable (f.e. CRUX) # the file is executable (f.e. CRUX)
# yes, then run it and get the first line of output. # yes, then run it and get the first line of output.
text = get_output_of_command(path_to_file)[0] text = _get_output_of_command(path_to_file)[0]
else: else:
fdes = open(path_to_file, encoding='utf-8') fdes = open(path_to_file, encoding='utf-8')
text = fdes.readline().strip() # get only first line text = fdes.readline().strip() # get only first line
@ -153,11 +142,11 @@ def get_os_info():
# sourcemage_version and slackware-version files # sourcemage_version and slackware-version files
# have all the info we need (name and version of distro) # have all the info we need (name and version of distro)
if not os.path.basename(path_to_file).startswith( if not os.path.basename(path_to_file).startswith(
'sourcemage') or not\ 'sourcemage') or not\
os.path.basename(path_to_file).startswith('slackware'): os.path.basename(path_to_file).startswith('slackware'):
text = distro_name + ' ' + text text = distro_name + ' ' + text
elif path_to_file.endswith('aurox-release') or \ elif path_to_file.endswith('aurox-release') or \
path_to_file.endswith('arch-release'): path_to_file.endswith('arch-release'):
# file doesn't have version # file doesn't have version
text = distro_name text = distro_name
elif path_to_file.endswith('lfs-release'): elif path_to_file.endswith('lfs-release'):
@ -167,14 +156,14 @@ def get_os_info():
return os_info return os_info
# our last chance, ask uname and strip it # our last chance, ask uname and strip it
uname_output = get_output_of_command('uname -sr') uname_output = _get_output_of_command('uname -sr')
if uname_output is not None: if uname_output is not None:
os_info = uname_output[0] # only first line os_info = uname_output[0] # only first line
return os_info return os_info
os_info = 'N/A' os_info = 'N/A'
return os_info return os_info
def datetime_tuple(timestamp): def _datetime_tuple(timestamp):
""" """
Convert a timestamp using strptime and the format: %Y%m%dT%H:%M:%S. Convert a timestamp using strptime and the format: %Y%m%dT%H:%M:%S.
@ -194,7 +183,7 @@ def datetime_tuple(timestamp):
tz_msg = timestamp[15:] tz_msg = timestamp[15:]
try: try:
ret = datetime.strptime(date, '%Y%m%dT%H%M%S') ret = datetime.strptime(date, '%Y%m%dT%H%M%S')
except Exception: except ValueError:
ret = datetime.now() ret = datetime.now()
# add the message timezone if any # add the message timezone if any
try: try:
@ -204,7 +193,7 @@ def datetime_tuple(timestamp):
tz_msg = tz_msg.tm_hour * 3600 + tz_msg.tm_min * 60 tz_msg = tz_msg.tm_hour * 3600 + tz_msg.tm_min * 60
tz_msg = timedelta(seconds=tz_mod * tz_msg) tz_msg = timedelta(seconds=tz_mod * tz_msg)
ret -= tz_msg ret -= tz_msg
except Exception: except ValueError:
pass # ignore if we got a badly-formatted offset pass # ignore if we got a badly-formatted offset
# convert UTC to local time, with DST etc. # convert UTC to local time, with DST etc.
if time.daylight and time.localtime().tm_isdst: if time.daylight and time.localtime().tm_isdst:
@ -225,10 +214,7 @@ def get_utc_time(local_time=None):
local_time = datetime.now() local_time = datetime.now()
isdst = time.localtime().tm_isdst isdst = time.localtime().tm_isdst
else: else:
if OLD_PYTHON: isdst = time.localtime(int(local_time.timestamp())).tm_isdst
isdst = time.localtime(int(local_time.strftime("%s"))).tm_isdst
else:
isdst = time.localtime(int(local_time.timestamp())).tm_isdst
if time.daylight and isdst: if time.daylight and isdst:
tz = timedelta(seconds=time.altzone) tz = timedelta(seconds=time.altzone)
@ -243,10 +229,7 @@ def get_local_time(utc_time):
""" """
Get the local time from an UTC time Get the local time from an UTC time
""" """
if OLD_PYTHON: isdst = time.localtime(int(utc_time.timestamp())).tm_isdst
isdst = time.localtime(int(utc_time.strftime("%s"))).tm_isdst
else:
isdst = time.localtime(int(utc_time.timestamp())).tm_isdst
if time.daylight and isdst: if time.daylight and isdst:
tz = timedelta(seconds=time.altzone) tz = timedelta(seconds=time.altzone)
@ -269,14 +252,14 @@ def find_delayed_tag(message):
delay_tag = message.find('{urn:xmpp:delay}delay') delay_tag = message.find('{urn:xmpp:delay}delay')
if delay_tag is not None: if delay_tag is not None:
delayed = True delayed = True
date = datetime_tuple(delay_tag.attrib['stamp']) date = _datetime_tuple(delay_tag.attrib['stamp'])
else: else:
# We support the OLD and deprecated XEP: http://xmpp.org/extensions/xep-0091.html # We support the OLD and deprecated XEP: http://xmpp.org/extensions/xep-0091.html
# But it sucks, please, Jabber servers, don't do this :( # But it sucks, please, Jabber servers, don't do this :(
delay_tag = message.find('{jabber:x:delay}x') delay_tag = message.find('{jabber:x:delay}x')
if delay_tag is not None: if delay_tag is not None:
delayed = True delayed = True
date = datetime_tuple(delay_tag.attrib['stamp']) date = _datetime_tuple(delay_tag.attrib['stamp'])
else: else:
delayed = False delayed = False
date = None date = None
@ -316,15 +299,15 @@ def find_argument(pos, text, quoted=True):
:param int pos: The position to search. :param int pos: The position to search.
:param str text: The text to analyze. :param str text: The text to analyze.
:param quoted: Whether to take quotes into account or not. :param bool quoted: Whether to take quotes into account or not.
:rtype: int :rtype: int
""" """
if quoted: if quoted:
return find_argument_quoted(pos, text) return _find_argument_quoted(pos, text)
else: else:
return find_argument_unquoted(pos, text) return _find_argument_unquoted(pos, text)
def find_argument_quoted(pos, text): def _find_argument_quoted(pos, text):
""" """
Get the number of the argument at position pos in Get the number of the argument at position pos in
a string with possibly quoted text. a string with possibly quoted text.
@ -340,7 +323,7 @@ def find_argument_quoted(pos, text):
return count + 1 return count + 1
def find_argument_unquoted(pos, text): def _find_argument_unquoted(pos, text):
""" """
Get the number of the argument at position pos in Get the number of the argument at position pos in
a string without interpreting quotes. a string without interpreting quotes.
@ -405,10 +388,10 @@ def parse_secs_to_str(duration=0):
hours = (duration % 86400) // 3600 hours = (duration % 86400) // 3600
days = duration // 86400 days = duration // 86400
result += '%sd' % days if days else '' result += '%dd' % days if days else ''
result += '%sh' % hours if hours else '' result += '%dh' % hours if hours else ''
result += '%sm' % mins if mins else '' result += '%dm' % mins if mins else ''
result += '%ss' % secs if secs else '' result += '%ds' % secs if secs else ''
if not result: if not result:
result = '0s' result = '0s'
return result return result
@ -439,7 +422,7 @@ def format_tune_string(infos):
rating = infos.get('rating') rating = infos.get('rating')
if rating: if rating:
elems.append('[ ' + rating + '/10' + ' ]') elems.append('[ ' + rating + '/10 ]')
length = infos.get('length') length = infos.get('length')
if length: if length:
length = int(length) length = int(length)