Python email.utils.mktime_tz() Examples

def _parse_retry_after(header):
    '''Parse headers for Retry-After value'''

    hit = re.match(r'^\s*([0-9]+)\s*$', header)
    if hit:
        val = int(header)
    else:
        date = parsedate_tz(header)
        if date is None:
            log.warning('Unable to parse retry-after value: %s', header)
            return None
        val = mktime_tz(*date) - time.time()

    val_clamp = min(300, max(1, val))
    if val != val_clamp:
        log.warning('Ignoring retry-after value of %.3f s, using %.3f s instead', val, val_clamp)
        val = val_clamp

    return val 

def finalize(self):
        """Move tempfile to its target location"""
        if self.delete:
            self.delete = False
            os.unlink(self.temppath)
            return

        if self.temppath != self.realpath:
            # Move temp file to its actual location
            try:
                os.replace(self.temppath, self.realpath)
            except OSError:
                shutil.copyfile(self.temppath, self.realpath)
                os.unlink(self.temppath)

        mtime = self.kwdict.get("_mtime")
        if mtime:
            # Set file modification time
            try:
                if isinstance(mtime, str):
                    mtime = mktime_tz(parsedate_tz(mtime))
                os.utime(self.realpath, (time.time(), mtime))
            except Exception:
                pass 

def _string_to_dt(self, string):
        """
        Convert String to correct DateTime format.
        """
        if string is None:
            return None

        """
    # TODO: Use RFC2822. This doesn't work consistently.
    # TODO: Move this to same module as `format_date` once fixed.
    tup = parsedate_tz(string)
    if len(tup) == 8:
      tup = tup + (0,)  # If TimeZone is omitted, assume UTC
    ts = mktime_tz(tup)
    dt = datetime.fromtimestamp(ts, pytz.UTC)
    return dt
    """
        assert isinstance(string, str)
        dt = datetime.strptime(string, "%Y-%m-%dT%H:%M:%SZ")
        return dt 

def get_date(self):
        match = re.search(r'Date:\s(.*)', self._data)
        if not match or not match.group(1):
            return datetime.now()

        timestamp = mktime_tz(parsedate_tz(match.group(1)))
        return datetime.utcfromtimestamp(timestamp) 

def _getSpecialHeaderLines(self, lname, val):
        if (lname == "subject"):
            self.subject = val
        if (lname == "message-id"):
            self.messageID = val
            self.messageID = self.messageID.replace("<", "")
            self.messageID = self.messageID.replace(">", "")
        if (lname == "date"):
            try:
                self.messageDate = formatdate(mktime_tz(parsedate_tz(val.split('\n')[0])), True)
            except:
                log = self.uuid+" Error Parsing "+str(val)+" to RFC822 Date"
                self.logger.writeLog(syslog.LOG_ERR, "%s"%(str(log))) 

def get_internaldate(date, received):
    """ Get the date from the headers. """
    if date is None:
        other, date = received.split(';')

    # All in UTC
    parsed_date = parsedate_tz(date)
    timestamp = mktime_tz(parsed_date)
    dt = datetime.utcfromtimestamp(timestamp)

    return dt 

def parse_date(self, value):
        try:
            return datetime.utcfromtimestamp(mktime_tz(parsedate_tz(value)))
        except (TypeError, OverflowError):
            raise RuntimeError("Received an ill-formed timestamp") 

def was_modified_since(header=None, mtime=0, size=0):
    """
    Was something modified since the user last downloaded it?

    header
      This is the value of the If-Modified-Since header.  If this is None,
      I'll just return True.

    mtime
      This is the modification time of the item we're talking about.

    size
      This is the size of the item we're talking about.
    """
    try:
        if header is None:
            raise ValueError
        matches = re.match(r"^([^;]+)(; length=([0-9]+))?$", header,
                           re.IGNORECASE)
        header_date = parsedate_tz(matches.group(1))
        if header_date is None:
            raise ValueError
        header_mtime = mktime_tz(header_date)
        header_len = matches.group(3)
        if header_len and int(header_len) != size:
            raise ValueError
        if mtime > header_mtime:
            raise ValueError
    except (AttributeError, ValueError, OverflowError):
        return True
    return False 

def rfc822_time(h):
    """Parse RFC 2822-formatted http header and return a time int."""
    email_utils.mktime_tz(email_utils.parsedate_tz(h)) 

def http_time_to_posix(http_time):
  """Convert HTTP time format to posix time.

  See http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1
  for http time format.

  Args:
    http_time: time in RFC 2616 format. e.g.
      "Mon, 20 Nov 1995 19:12:08 GMT".

  Returns:
    A float of secs from unix epoch.
  """
  if http_time is not None:
    return email_utils.mktime_tz(email_utils.parsedate_tz(http_time)) 

def http_time_to_posix(http_time):
  """Convert HTTP time format to posix time.

  See http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1
  for http time format.

  Args:
    http_time: time in RFC 2616 format. e.g.
      "Mon, 20 Nov 1995 19:12:08 GMT".

  Returns:
    A float of secs from unix epoch.
  """
  if http_time is not None:
    return email_utils.mktime_tz(email_utils.parsedate_tz(http_time)) 

def http_time_to_posix(http_time):
  """Convert HTTP time format to posix time.

  See http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1
  for http time format.

  Args:
    http_time: time in RFC 2616 format. e.g.
      "Mon, 20 Nov 1995 19:12:08 GMT".

  Returns:
    A float of secs from unix epoch.
  """
  if http_time is not None:
    return email_utils.mktime_tz(email_utils.parsedate_tz(http_time)) 

def from_request(cls, req):
    if req.status_code == requests.codes.no_content:
      data = None
    else:
      data = req.json()

    raw_date = req.headers.get("Date", None)

    if raw_date:
      # See https://stackoverflow.com/a/26435566
      timestamp = mktime_tz(parsedate_tz(raw_date))
    else:
      timestamp = None

    return cls(data=data, server_time=timestamp) 

def get_date(self):
        match = re.search(r'Date:\s(.*)', self._data)
        if not match:
            return datetime.now()

        timestamp = mktime_tz(parsedate_tz(match.group(1)))
        return datetime.utcfromtimestamp(timestamp) 

def compute_weight(self):
        match = re.search(r'Received-Date:\s(.*)', self._data)
        if not match:
            return 1

        # Check whether effective reception date is old or not (old = > 3d)
        timestamp = mktime_tz(parsedate_tz(match.group(1)))
        timestamp = timestamp + 3 * 24 * 60 * 60

        return 0 if timestamp < time.time() else 1 

def was_modified_since(header=None, mtime=0, size=0):
    """
    Was something modified since the user last downloaded it?

    header
      This is the value of the If-Modified-Since header.  If this is None,
      I'll just return True.

    mtime
      This is the modification time of the item we're talking about.

    size
      This is the size of the item we're talking about.
    """
    try:
        if header is None:
            raise ValueError
        matches = re.match(r"^([^;]+)(; length=([0-9]+))?$", header,
                           re.IGNORECASE)
        header_date = parsedate_tz(matches.group(1))
        if header_date is None:
            raise ValueError
        header_mtime = mktime_tz(header_date)
        header_len = matches.group(3)
        if header_len and int(header_len) != size:
            raise ValueError
        if mtime > header_mtime:
            raise ValueError
    except (AttributeError, ValueError, OverflowError):
        return True
    return False 

def test_mktime_tz(self):
        self.assertEqual(utils.mktime_tz((1970, 1, 1, 0, 0, 0,
                                          -1, -1, -1, 0)), 0)
        self.assertEqual(utils.mktime_tz((1970, 1, 1, 0, 0, 0,
                                          -1, -1, -1, 1234)), -1234) 

def stat_file(self, path, info):
        def _onsuccess(boto_key):
            if self.is_botocore:
                checksum = boto_key['ETag'].strip('"')
                last_modified = boto_key['LastModified']
                modified_stamp = time.mktime(last_modified.timetuple())
            else:
                checksum = boto_key.etag.strip('"')
                last_modified = boto_key.last_modified
                modified_tuple = parsedate_tz(last_modified)
                modified_stamp = int(mktime_tz(modified_tuple))
            return {'checksum': checksum, 'last_modified': modified_stamp}

        return self._get_boto_key(path).addCallback(_onsuccess) 

def rfc1123_to_epoch(date_str):
    try:
        date_str = to_unicode(date_str, encoding='ascii')
        return mktime_tz(parsedate_tz(date_str))
    except Exception:
        return None 

def stat_file(self, path, info):
        def _onsuccess(boto_key):
            if self.is_botocore:
                checksum = boto_key['ETag'].strip('"')
                last_modified = boto_key['LastModified']
                modified_stamp = time.mktime(last_modified.timetuple())
            else:
                checksum = boto_key.etag.strip('"')
                last_modified = boto_key.last_modified
                modified_tuple = parsedate_tz(last_modified)
                modified_stamp = int(mktime_tz(modified_tuple))
            return {'checksum': checksum, 'last_modified': modified_stamp}

        return self._get_boto_key(path).addCallback(_onsuccess) 

def rfc1123_to_epoch(date_str):
    try:
        date_str = to_unicode(date_str, encoding='ascii')
        return mktime_tz(parsedate_tz(date_str))
    except Exception:
        return None 

def http_time_to_posix(http_time):
  """Convert HTTP time format to posix time.

  See http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1
  for http time format.

  Args:
    http_time: time in RFC 2616 format. e.g.
      "Mon, 20 Nov 1995 19:12:08 GMT".

  Returns:
    A float of secs from unix epoch.
  """
  if http_time is not None:
    return email_utils.mktime_tz(email_utils.parsedate_tz(http_time)) 

def rfc822_timestamp(time_string):
    return datetime.fromtimestamp(rfc822.mktime_tz(rfc822.parsedate_tz(time_string))) 

def http_time_to_posix(http_time):
  """Convert HTTP time format to posix time.

  See http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3.1
  for http time format.

  Args:
    http_time: time in RFC 2616 format. e.g.
      "Mon, 20 Nov 1995 19:12:08 GMT".

  Returns:
    A float of secs from unix epoch.
  """
  if http_time is not None:
    return email_utils.mktime_tz(email_utils.parsedate_tz(http_time))