Pushl | Push notification adapter for feeds

 by   PlaidWeb Python Version: 0.3.5 License: MIT

kandi X-RAY | Pushl Summary

kandi X-RAY | Pushl Summary

Pushl is a Python library typically used in Telecommunications, Media, Media, Entertainment, Utilities applications. Pushl has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. However Pushl build file is not available. You can install using 'pip install Pushl' or download it from GitHub, PyPI.

A simple tool that parses content feeds and sends out appropriate push notifications (WebSub, webmention, etc.) when they change. See for the motivation.
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            kandi-support Support

              Pushl has a low active ecosystem.
              It has 25 star(s) with 0 fork(s). There are 3 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 10 open issues and 28 have been closed. On average issues are closed in 59 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of Pushl is 0.3.5

            kandi-Quality Quality

              Pushl has 0 bugs and 0 code smells.

            kandi-Security Security

              Pushl has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              Pushl code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              Pushl is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              Pushl releases are not available. You will need to build from source code and install.
              Deployable package is available in PyPI.
              Pushl has no build file. You will be need to create the build yourself to build the component from source.
              Installation instructions, examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed Pushl and discovered the below as its top functions. This is intended to give you an instant insight into Pushl implemented functionality, and help decide if they suit your requirements.
            • Parse arguments
            • Sends a pingback
            • Get an item from the cache
            • Add headers to kwargs
            • Wrapper for POST requests
            • Run a pushl
            • Process an entry
            • Process a new entry
            • Run all pending subtasks
            • Parse the request result
            • Extract text from data
            • Sends a request
            • Consume a feed
            Get all kandi verified functions for this library.

            Pushl Key Features

            No Key Features are available at this moment for Pushl.

            Pushl Examples and Code Snippets

            No Code Snippets are available at this moment for Pushl.

            Community Discussions

            QUESTION

            Writing and linking shared libraries in assembly 32-bit
            Asked 2022-Apr-01 at 11:39

            I am currently learning assembler for x86 with att syntax. Over the past time I have already written exercise programs without dependencies. Now I wanted to try writing a shared shared-library, as this is what I do in C most of the time.

            I thought it may be a good idea to write a simple "test" program, which consists of an, in asm written, test-library and a program, that links to this test-library.

            I assembled the library with: as -32 prog.s -o prog.o
            and the caller with: as -32 startprog.s -o startprog.o

            After I assembled both files, I ran the linker on the library with ld -melf_i386 -fPIE -shared prog.o -o libprog.so
            and on the caller ld -melf_i386 startprog.o -L./ -lprog -o startprog

            Up to this point everything worked fine. But then I tried to run the program ./startprog, which causes a Segment violation. I re-ran with gdb and set _start as a breakpoint. As soon as I entered r into gdb, to actually start the execution, I was greeted with the same SIGSEGV. It seems to occur in the libc write() function. At least that is, what I can make of this.

            The complete output looks like this:

            ...

            ANSWER

            Answered 2022-Apr-01 at 11:39

            As stated in the UPDATE, i've got it working by patching the runtime of the ELF with patchelf --set-interpreter /lib/ld-linux.so.2 startprog

            Also as stated, if anyone knows, why it automatically assigned the libc as the runtime, I would be pretty thankful, if they would post the answer. It confuses me to no end any I would like to avoid patching the binary every time.

            Source https://stackoverflow.com/questions/71704813

            QUESTION

            GNU Assembly Language: How to understand the stack pointer in recursive function (factorial calculation)
            Asked 2022-Mar-29 at 21:54

            I try to understand the stack framework by the GAS, and a recursive function assembly case is shown here, as a 32-bit x86 program for Linux:

            ...

            ANSWER

            Answered 2022-Mar-29 at 21:21

            The pseudo code was missing a PUSH RET -> PUSH EBP after the PUSH 1:

            Source https://stackoverflow.com/questions/71668295

            QUESTION

            Exception: STATUS_ACCESS_VIOLATION at rip=0010040108D when executing program
            Asked 2022-Jan-05 at 11:34

            I have a problem with execution of the project compiled in eclipse Version: 2021-12 (4.22.0)

            The program is just 2 files:

            1. function.asm
            ...

            ANSWER

            Answered 2022-Jan-04 at 21:01

            I've changed the Tool Settings to:

            Source https://stackoverflow.com/questions/70584096

            QUESTION

            Why function that refers to a global function in the same section can only be solved at link time while local functions will be solve at compile time?
            Asked 2021-Dec-13 at 08:12

            I have this assembly file prog.S :

            ...

            ANSWER

            Answered 2021-Dec-13 at 08:12

            The assembler can solve jumping/calling myGlobalFunction defined in the same section at asm-time, and sometimes it does so, as Peter Cordes investigated. However, as the function is declared global, it is assumed to be available from other sections, too.

            Assembler thinks that your .text section from the file prog.o might be statically linkable to other programs at link-time. You are right that in such case other.o declares myGlobalFunction as external, the relocation record should be generated into other.o, and relocation of call myGlobalFunction in prog.o is superabundant. Perhaps clang.exe assumes that the symbol myGlobalFunction is potentially weak and that it could be replaced at link-time with homonymous global symbol defined in someother.o, also linked together with other.o and prog.o.

            Call of a global function in the same section could be resolved at compile time. My guess is that Clang defers this to link-time and generates RIP-relative relocation to enable future replacement of the target function from other module.

            Source https://stackoverflow.com/questions/70323125

            QUESTION

            How do I count the occurence of a char in a string in i386?
            Asked 2021-Oct-22 at 22:14

            I'm a newbie to 80386 assembly language. Currently struggling on a school assignment that asks to write a function in assembly language that will be called in a c program.

            extern int count(char *string, char c);

            I think I have a sense of how this should be done, but still struggling with choosing the right instruction(instruction ends with 'b', 'w' or 'l') and perhaps the "right" register, I know there are some that are reserved to certain purposes.

            ...

            ANSWER

            Answered 2021-Oct-21 at 20:49

            I do not program in assembler so I asked gcc to compile it for me:

            Source https://stackoverflow.com/questions/69668469

            QUESTION

            How to print the content of a text file to STDOUT in Linux Assembly Language using c library functions?
            Asked 2021-Aug-19 at 13:46

            First I tried opening a file with fopen function and print content of the file using fprint function but it was just printing a bunch of symbols to the terminal.

            After a while I realized that it does not take pointer to a stream as argument and above mentioned behaviour was expected. It was printing the actual pointer value. putc or puts function also does not seem to take a pointer to the file I/O stream as an argument.

            My best guess right now is I have to access the buffer fopen function created somehow! But I have no idea how or if it is possible. To sum it all up I am absolutely stuck right now.

            The ultimate goal here is to get input from STDIN and/or a file do some processing on the text(eg: lowercase to uppercase) and output the result to STDOUT and/or a file. I figured If I am able to get the answer to above mentioned problem then It should help with the ultimate goal maybe.

            PS: Let me know If the question can be improved in any way. Thank you.

            Maybe the following code will help to get a better understanding of what I am trying to say.

            ...

            ANSWER

            Answered 2021-Aug-19 at 13:46

            You need to first read from the file using fread or fgets or some other function and then write what you read to standard output. There is no shortcut to directly print the contents of one file.

            Source https://stackoverflow.com/questions/68849008

            QUESTION

            How to properly read a filename from STDIN in Linux Assembly Language?
            Asked 2021-Aug-17 at 15:39

            I'm going through a book named Programming from the ground up by Jonathan Bratlett. This book teaches assembly language for x86 processors and the linux operating system using GCC toolset.

            In unit 7 which teaches about error handling, you are asked to modify an existing program to add a recovery mechanism for the program that allows it to read from STDIN if it cannot open the standard file already hard coded in the program.

            The problem here is that user entered filename from the STDIN is appended with \n at the end by default. So the program does not find the file to read from.

            I have to replace the \n with 0 manually in the program for it to work. And it does not feel like the proper way to handle this situation. How do I go about solving this problem properly?

            PS: This is my first time asking a question here. Please let me know If I can improve the question in any way. Thank you.

            Here is the code:

            ...

            ANSWER

            Answered 2021-Aug-17 at 15:35

            It's normal to need to manually handle newlines in terminal / file input. read system calls just give you access to the raw byte stream, no parsing.

            That's why it's normal to take filenames from command-line args (like cat foo.txt), rather than a list of files from stdin.

            And why in Unix shell programming, you definitely want to avoid parsing filenames out of a text stream: https://unix.stackexchange.com/questions/128985/why-not-parse-ls-and-what-to-do-instead - and why things like find -print0 and xargs -0 to use \0 as a separator exist.

            \n is a legal character that can appear in filenames, so the only way to safely/unambiguously parse filenames from stdin is to separate them with the one byte that can't appear in filenames, 0, the C string terminator. (Or to use some kind of format with explicit lengths, so you'd know the next 123 characters were all filename regardless of what they were.)

            For a single filename, you could also expect the user to end their input at the end of the filename, e.g. submitting TTY input by pressing the EOF character (control-D by default, run stty to show terminal modes).

            Then you can directly use the result of read() into an already-zeroed buffer as a C string. (Except that still doesn't fully let you handle newlines in filenames with the terminal not in raw mode; the user typing a newline would cause the terminal input to be submitted, i.e. read() would return. However, the user can work around that by using control-V to make the next character "literal", letting them hit ^V enter to type a literal newline without submitting input with the TTY in "cooked" canonical mode. Try it yourself typing into cat or strace cat on a terminal, along with what happens when you type control-D on a non-empty line (read returns non-zero), vs. on an empty line (or after a previous control-D) to make read return zero, i.e. EOF)

            Source https://stackoverflow.com/questions/68819810

            QUESTION

            Convert a string of digits to an integer by using a subroutine
            Asked 2021-Aug-08 at 18:28

            Assembly language program to read in a (three-or-more-digit) positive integer as a string and convert the string to the actual value of the integer.

            Specifically, create a subroutine to read in a number. Treat this as a string, though it will be composed of digits. Also, create a subroutine to convert a string of digits to an integer.

            Do not have to test for input where someone thought i8xc was an integer.

            I am doing it like this. Please help.

            ...

            ANSWER

            Answered 2021-Aug-08 at 18:28

            Proper interaction with operating system is missing.
            In the end: you pushed the result but the following addl $8, %esp invalidates the pushed value and the final ret incorrectly leads the instruction flow to whatever garbage was in the memory pointed by SS:ESP+4 at the program entry.

            When you increase the stack pointer, you cannot rely that data below ESP will survive.

            Your program does not interact with its user, if you want it to print something, use system function to write.

            Source https://stackoverflow.com/questions/68695650

            QUESTION

            Assembly C calling convention, stack arguments dissapearing
            Asked 2021-Jul-20 at 21:18

            I am currently writing a bit of x86 assembly code and linking it with glibc using as and ld.

            ...

            ANSWER

            Answered 2021-Jul-20 at 21:18

            strcat(str3, str1) concatenates str1 onto the end of str3 by copying the bytes of str1 into memory starting at the terminating null byte of str3. So the terminating null of str3 gets overwritten by the character '\n', and a new terminating null is written to the following byte. But guess what: the byte immediately following the terminating null of str3 is the first byte of str4. So you've just overwritten the first byte of str4 with a null byte. Hence it behaves like an empty string when you go to print it later.

            You could add an extra byte of space between each of your strings to avoid this. But more broadly, it isn't really sensible for a writeLine function to modify the string it is passed, so a better plan would be to redesign it so it doesn't need to do that. For instance, you could write the passed string with one call to puts (which already appends a newline), and if you want an additional newline, make a separate call to putc.

            Source https://stackoverflow.com/questions/68461236

            QUESTION

            %rbp vs Return Address in Assembly?
            Asked 2021-Jul-07 at 19:43

            I'm confused a little with my book, take a look at this:

            ...

            ANSWER

            Answered 2021-Jul-07 at 19:43

            The return address is a pointer to code that is pushed onto the stack by the caller, typically by a call instruction.  Since that is pushed by the caller, that value (and any others pushed by the caller) are necessarily on the stack before the first machine code instruction of f runs.  The convention requires that the return address is the top thing on the stack upon (the control flow) transition from caller to callee.

            So, just before the start of f there's return address on the stack.  The return address is sometimes called linkage in older texts.  It is a parameter passed by the caller that the callee uses to know where to return.  Passing the return address as a parameter for the callee to use allows the function (here f) to be called from many different places (at many different depths of the call chain), and always return to its caller, no matter who that is.

            The return address and rbp are different.  We cannot say how rbp is used by the caller here b/c we don't see the caller.  However, the rbp register is required — by the calling convention — to retain its original value upon return from callee to caller.  Thus, since this callee chooses to modify the rbp value (for no apparent reason, though), it is necessary to also restore the original rbp value before returning, which it does.

            It is called an old rbp b/c at the time of transition from caller to callee, the rbp value belongs to someone higher up in the call stack, and is not the rbp value that pertains to f (but rather to fs callers).

            We can't say what is in rbp that belongs to the callers, however, f, chooses to use rbp as a pointer to data, specifically stack data (it doesn't use it though).

            1. Is return address actually the value of rbp the very first time we entered main's frame?

            No.  rbp is generally used as a pointer to the stack, called a frame pointer, it is separate from the return address.

            1. If so, why it's not called old rbp as others? what's if f calls another function should we call it return address or rbp?

            If f calls another function there will be at least 2 return addresses on the stack.  rbp is another matter, and if main and f use a frame pointer (and f calls another function) then there will be at least one frame pointer (mains as f put it there) on the stack as well.

            1. return address is the return address for main and has nothing to do with f() right?

            We can't say from this snippet that main called ff should be callable by virtually any caller.  If main did call f then the return address represents the dynamic linkage of main calling f.  It would be ok, for example, for main to call f from two different places in mains implementation.  At each different call site in main, a different code address would be passed to f as the return address, and f would use the passed return address parameter to dynamically return to the proper caller & call site.

            Suggest you try a small example and single step in the debugger.  Keep an eye on stack pushes (and the value pushed) & pops and watch the control flow transition from caller to callee and all the way back again.

            Source https://stackoverflow.com/questions/68291937

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install Pushl

            If you want to support WebSub, have your feed implement the WebSub protocol. The short version is that you should have a <link rel="hub" href="http://path/to/hub" /> in your feed's top-level element. There are a number of WebSub hubs available; I use Superfeedr.
            Anything with a class of h-entry
            An <article> tag
            Anything with a class of entry
            You can install it using pip with e.g.:.
            In my setup, I have pushl installed in my website's pipenv:.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            Install
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            pip install pushl

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            https://github.com/PlaidWeb/Pushl.git

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            gh repo clone PlaidWeb/Pushl

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            git@github.com:PlaidWeb/Pushl.git

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