Man page clean-up (#1508)

Ensure we don’t include dynamic content in the static man pages.

.github/workflows/content.yml

@@ -1,27 +1,22 @@
-name: Update Autogenerated Files
-
+name: Update Generated Content
 on:
   push:
     branches:
       - master
-
 jobs:
-  regen-autogenerated-files:
+  update-content:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-
       - uses: actions/setup-python@v4
         with:
           python-version: 3.9
-
-      - run: make regen-all
-
+      - run: make content
       - name: Create Pull Request
         id: cpr
         uses: peter-evans/create-pull-request@v4
         with:
-          commit-message: "[automated] Update auto-generated files"
-          title: "[automated] Update auto-generated files"
+          commit-message: "[automated] Update generated content"
+          title: "[automated] Update generated content"
           delete-branch: true
           token: ${{ secrets.GITHUB_TOKEN }}

Makefile

@@ -231,15 +231,15 @@ brew-test:
 	brew audit --strict httpie
 
 ###############################################################################
-# Regeneration
+# Generated content
 ###############################################################################
 
-regen-all: regen-man-pages regen-install-methods
+content: man installation-docs
 
-regen-man-pages: install
+man: install
 	@echo $(H1)Regenerate man pages$(H1END)
 	$(VENV_PYTHON) extras/scripts/generate_man_pages.py
 
-regen-install-methods:
+installation-docs:
 	@echo $(H1)Updating installation instructions in the docs$(H1END)
 	$(VENV_PYTHON) docs/installation/generate.py

extras/man/http.1

@@ -399,7 +399,7 @@ The authentication mechanism to be used. Defaults to \[dq]basic\[dq].
 
 \[dq]bearer\[dq]: Bearer HTTP Auth
 
-For finding out all available authentication types in your system, try:
+To see all available auth types on your system, including ones installed via plugins, run:
 
 $ http \fB\,--auth-type\/\fR
 
@@ -510,11 +510,10 @@ are shown here).
 
 
 
-A string in the OpenSSL cipher list format. By default, the following
-ciphers are used on your system:
+A string in the OpenSSL cipher list format.
 
-TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES256-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA
 
+See `http \fB\,--help\/\fR` for the default ciphers list on you system.
 
 
 .IP "\fB\,--cert\/\fR"

extras/man/https.1

@@ -399,7 +399,7 @@ The authentication mechanism to be used. Defaults to \[dq]basic\[dq].
 
 \[dq]bearer\[dq]: Bearer HTTP Auth
 
-For finding out all available authentication types in your system, try:
+To see all available auth types on your system, including ones installed via plugins, run:
 
 $ http \fB\,--auth-type\/\fR
 
@@ -509,12 +509,10 @@ are shown here).
 .IP "\fB\,--ciphers\/\fR"
 
 
+A string in the OpenSSL cipher list format.
 
-A string in the OpenSSL cipher list format. By default, the following
-ciphers are used on your system:
-
-TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES256-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA
 
+See `http \fB\,--help\/\fR` for the default ciphers list on you system.
 
 
 .IP "\fB\,--cert\/\fR"

extras/scripts/generate_man_pages.py

@@ -1,20 +1,25 @@
+import os
 import re
 from contextlib import contextmanager
 from pathlib import Path
 from typing import Optional, Iterator, Iterable
 
+
+# So that httpie.cli.definition can provide man-page-specific output. Must be set before importing httpie.
+os.environ['HTTPIE_BUILDING_MAN_PAGES'] = '1'
+
 import httpie
-from httpie.cli.definition import options as core_options
+from httpie.cli.definition import options as core_options, IS_MAN_PAGE
 from httpie.cli.options import ParserSpec
 from httpie.manager.cli import options as manager_options
 from httpie.output.ui.rich_help import OptionsHighlighter, to_usage
 from httpie.output.ui.rich_utils import render_as_string
-from httpie.utils import split_iterable
 
 
-# Escape certain characters so they are rendered properly on
-# all terminals.
-# https://man7.org/linux/man-pages/man7/groff_char.7.html
+assert IS_MAN_PAGE, 'CLI definition does not understand we’re building man pages'
+
+# Escape certain characters, so they are rendered properly on all terminals.
+# <https://man7.org/linux/man-pages/man7/groff_char.7.html>
 ESCAPE_MAP = {
     '"': '\[dq]',
     "'": '\[aq]',
@@ -32,6 +37,7 @@ OPTION_HIGHLIGHT_RE = re.compile(
     OptionsHighlighter.highlights[0]
 )
 
+
 class ManPageBuilder:
     def __init__(self):
         self.source = []
@@ -125,7 +131,7 @@ def to_man_page(program_name: str, spec: ParserSpec, *, is_top_level_cmd: bool =
 
     with builder.section('SYNOPSIS'):
         # `http` and `https` are commands that can be directly used, so they can have
-        # have a valid usage. But `httpie` is a top-level command with multiple sub commands,
+        # a valid usage. But `httpie` is a top-level command with multiple sub commands,
         # so for the synopsis we'll only reference the `httpie` name.
         if is_top_level_cmd:
             synopsis = program_name
@@ -153,7 +159,7 @@ def to_man_page(program_name: str, spec: ParserSpec, *, is_top_level_cmd: bool =
                 if raw_arg.get('is_positional'):
                     # In case of positional arguments, metavar is always equal
                     # to the list of options (e.g `METHOD`).
-                   metavar = None
+                    metavar = None
                 builder.add_options(raw_arg['options'], metavar=metavar)
 
                 desc = builder.format_desc(raw_arg.get('description', ''))
@@ -178,6 +184,5 @@ def main() -> None:
             stream.write(to_man_page(program_name, spec, **config))
 
 
-
 if __name__ == '__main__':
     main()

httpie/cli/definition.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import os
 import textwrap
 from argparse import FileType
 
@@ -22,6 +23,12 @@ from httpie.plugins.builtin import BuiltinAuthPlugin
 from httpie.plugins.registry import plugin_manager
 from httpie.ssl_ import AVAILABLE_SSL_VERSION_ARG_MAPPING, DEFAULT_SSL_CIPHERS_STRING
 
+
+# Man pages are static (built when making a release).
+# We use this check to not include generated, system-specific information there (e.g., default --ciphers).
+IS_MAN_PAGE = bool(os.environ.get('HTTPIE_BUILDING_MAN_PAGES'))
+
+
 options = ParserSpec(
     'http',
     description=f'{__doc__.strip()} <https://httpie.io>',
@@ -35,7 +42,6 @@ options = ParserSpec(
     source_file=__file__
 )
 
-
 #######################################################################
 # Positional arguments.
 #######################################################################
@@ -234,6 +240,7 @@ processing_options.add_argument(
     """,
 )
 
+
 #######################################################################
 # Output processing
 #######################################################################
@@ -610,6 +617,7 @@ sessions.add_argument(
     """,
 )
 
+
 #######################################################################
 # Authentication
 #######################################################################
@@ -630,7 +638,7 @@ def format_auth_help(auth_plugins_mapping, *, isolation_mode: bool = False):
             if issubclass(auth_plugin, BuiltinAuthPlugin)
         ]
         text += '\n'
-        text += 'For finding out all available authentication types in your system, try:\n\n'
+        text += 'To see all available auth types on your system, including ones installed via plugins, run:\n\n'
         text += '    $ http --auth-type'
 
     auth_types = '\n\n    '.join(
@@ -646,7 +654,7 @@ def format_auth_help(auth_plugins_mapping, *, isolation_mode: bool = False):
                 ''
                 if not plugin.description
                 else '\n      '
-                + ('\n      '.join(textwrap.wrap(plugin.description)))
+                     + ('\n      '.join(textwrap.wrap(plugin.description)))
             ),
         )
         for plugin in auth_plugins
@@ -826,23 +834,36 @@ ssl.add_argument(
 
     """,
 )
+
+CIPHERS_CURRENT_DEFAULTS = (
+    """
+    See `http --help` for the default ciphers list on you system.
+
+    """
+    if IS_MAN_PAGE else
+    f"""
+    By default, the following ciphers are used on your system:
+
+    {DEFAULT_SSL_CIPHERS_STRING}
+
+    """
+)
 ssl.add_argument(
     '--ciphers',
     short_help='A string in the OpenSSL cipher list format.',
     help=f"""
 
-    A string in the OpenSSL cipher list format. By default, the following
-    ciphers are used on your system:
+    A string in the OpenSSL cipher list format.
 
-    {DEFAULT_SSL_CIPHERS_STRING}
+    {CIPHERS_CURRENT_DEFAULTS}
 
-    """,
+    """
 )
 ssl.add_argument(
     '--cert',
     default=None,
     type=readable_file_arg,
-    short_help='Specifys a local cert to use as client side SSL certificate.',
+    short_help='Specifies a local cert to use as the client-side SSL certificate.',
     help="""
     You can specify a local cert to use as client side SSL certificate.
     This file may either contain both private key and certificate or you may

httpie/output/ui/man_pages.py

@@ -4,23 +4,22 @@ import subprocess
 import os
 from httpie.context import Environment
 
+
 MAN_COMMAND = 'man'
 NO_MAN_PAGES = os.getenv('HTTPIE_NO_MAN_PAGES', False)
 
-# On some systems, HTTP(n) might exist but we are only
-# interested in HTTP(1).
-#
-# For more information on man page sections: https://unix.stackexchange.com/a/138643
-
+# On some systems, HTTP(n) might exist, but we are only interested in HTTP(1).
+# For more information on man page sections: <https://unix.stackexchange.com/a/138643>
 MAN_PAGE_SECTION = '1'
 
 
 def is_available(program: str) -> bool:
-    """Check whether HTTPie's man pages are available in this system."""
+    """
+    Check whether `program`'s man pages are available on this system.
 
+    """
     if NO_MAN_PAGES or os.system == 'nt':
         return False
-
     try:
         process = subprocess.run(
             [MAN_COMMAND, MAN_PAGE_SECTION, program],
@@ -29,7 +28,7 @@ def is_available(program: str) -> bool:
             stderr=subprocess.DEVNULL
         )
     except Exception:
-        # There might be some errors outside of the process, e.g
+        # There might be some errors outside the process, e.g
         # a permission error to execute something that is not an
         # executable.
         return False
@@ -38,8 +37,10 @@ def is_available(program: str) -> bool:
 
 
 def display_for(env: Environment, program: str) -> None:
-    """Display the man page for the given command (http/https)."""
+    """
+    Open the system man page for the given command (http/https/httpie).
 
+    """
     subprocess.run(
         [MAN_COMMAND, MAN_PAGE_SECTION, program],
         stdout=env.stdout,