#!/usr/bin/env python3 # Book 17 (Mahindra & Mahindra) — THE BEAST THAT PLOUGHS THE FIELD. Science->business: the secret is # TORQUE, the twisting PULL of an engine (fuel burns in cylinders -> pushes pistons up and down -> # spins a crankshaft -> gears MULTIPLY the twist into strong low-speed PULL -> turns big wheels slowly # but mightily to drag a plough or climb a hill) -> the maker of tractors that give farmers this mighty # pull, and tough SUVs, a world leader in tractors by number. import os ART="/root/omahaindia.com/comics/site/book/mm/art" OUT="/root/omahaindia.com/comics/site/book/mm/index.html" STYLE=("children's storybook manga illustration, warm painted animation style, soft cinematic light, " "clean linework, NO text NO letters NO words") CHARLOTTE=("Charlotte, the SAME young Indian CHILD girl from the reference, round young face, warm tan skin, " "freckles, glossy black hair in two low twin ponytails, big curious dark eyes, bright TEAL t-shirt, NO facial hair") GRAHAM="Ben, a kind scholarly elderly American gentleman, round wire spectacles, tweed suit and bow tie" BUFFETT="Warren, a folksy cheerful elderly American man, thinning white hair, big friendly glasses, grey suit" MUNGER="Charlie, a stocky wise elderly American man, very thick black-framed glasses, dark suit" MAX=("Max, a warm friendly Western TRACTOR and AUTO ENGINEER, NOT Indian, sturdy build, cheerful oil-smudged grin, " "blue denim overalls, a bright red cap, a shiny wrench in one hand") # name -> (w,h,seed,prompt,ref). ref set -> Seedream character; None -> flux scene. Ritual panels copied by mkbook. NEW={ "00_cover":(1024,1180,1700,f"{STYLE}. BOOK COVER, {CHARLOTTE} standing with {MAX} beside a mighty red farm tractor at the edge of a golden field, she rests a hand on its huge rear wheel as it drags a plough through rich brown soil, a rough green hill and warm sunrise behind, wonder, cinematic","charlotte"), "_ref_max":(1024,1024,1701,f"{STYLE}. clean friendly character portrait, {MAX}, plain soft warm background, kind smile, head and shoulders",None), # Ch1 "mm_c1_coin":(1024,720,1710,f"{STYLE}. {CHARLOTTE} at home, Grandpa Ben's glowing brass compass twitching between a shiny toy race car and a chunky toy tractor on the table, EXPRESSION puzzled and intrigued, cozy lamp light","charlotte"), "mm_c1_diary":(1024,720,1711,f"{STYLE}. an open magical diary glowing warm gold on a desk, a faint spinning wheel of light and little turning gears rising from the page, no people",None), "mm_c1_swirl":(1024,720,1712,f"{STYLE}. {CHARLOTTE} pulled into a swirling spiral of golden light and spinning gears from a glowing diary, EXPRESSION thrilled, magical","charlotte"), # Ch2 — arrive at the farm workshop, meet Max "mm_c2_arrive":(1024,720,1713,f"{STYLE}. {CHARLOTTE} landing wide-eyed in a sunny farm workshop full of tractors and shiny engine parts, a huge red tractor towering beside her, EXPRESSION awe and delight, bright daylight","charlotte"), "mm_c2_max":(1024,720,1714,f"{STYLE}. {MAX} warmly welcoming {CHARLOTTE} in the workshop, tipping his red cap, EXPRESSION Charlotte shy happy smile; keep the SAME engineer from the reference, same denim overalls, same red cap, same wrench","max"), "mm_c2_pit":(1024,720,1715,f"{STYLE}. the inside of a bright tractor workshop, a giant red tractor up on a ramp with its engine open, tools and gleaming gears all around, powerful and inviting, no faces close up",None), # Ch3 — fuel burns in the cylinders: tiny controlled explosions that PUSH "mm_c3_spark":(1024,720,1716,f"{STYLE}. {MAX} kneeling to show {CHARLOTTE} a single shiny metal cylinder with a bright spark inside lighting a puff of fuel, a tiny warm flame flash, EXPRESSION Charlotte fascinated leaning in; SAME engineer, denim overalls, red cap","max"), "mm_c3_fire":(1024,720,1717,f"{STYLE}. a magical cutaway of one engine cylinder, a tiny bright orange explosion of burning fuel flashing inside a shiny metal tube, sparks and warm light, playful science, no people",None), "mm_c3_push":(1024,720,1718,f"{STYLE}. a friendly close up of a metal piston being shoved firmly downward inside its cylinder by a burst of orange flame above it, bold arrows of pushing force, warm glow, no people",None), # Ch4 — pistons pump up and down -> spin a crankshaft "mm_c4_pump":(1024,720,1719,f"{STYLE}. {CHARLOTTE} watching in wonder as several shiny pistons pump up and down in a blur inside an open engine, EXPRESSION amazed and thoughtful, bright workshop light","charlotte"), "mm_c4_crank":(1024,720,1720,f"{STYLE}. a magical cutaway of an engine, straight up-and-down pushes of the pistons turning a bent metal crankshaft into a smooth round SPIN, curved arrows showing push becoming turn, warm metallic glow, no people",None), "mm_c4_spin":(1024,720,1721,f"{STYLE}. a beautiful close up of a polished crankshaft spinning round and round in a blur of motion, motion lines, gleaming steel, no people",None), # Ch5 — gears multiply the twist: trade speed for strength -> TORQUE "mm_c5_gears":(1024,720,1722,f"{STYLE}. {MAX} showing {CHARLOTTE} a small fast gear turning a big slow gear, the big one turning strong and mighty, EXPRESSION Charlotte delighted 'aha'; SAME engineer, denim overalls, red cap","max"), "mm_c5_bike":(1024,720,1723,f"{STYLE}. a cheerful child on a bicycle in its lowest gear pedalling fast to climb a steep grassy hill strongly and slowly, playful science, bright day, side view, no faces close up",None), # Ch6 — that twisting pull turns big wheels slowly but mightily "mm_c6_wheel":(1024,720,1724,f"{STYLE}. {CHARLOTTE} watching a giant deep-treaded tractor wheel turn slowly and powerfully, gripping the earth, her ponytails lifting, EXPRESSION awed and excited, bright field","charlotte"), "mm_c6_grip":(1024,720,1725,f"{STYLE}. a dramatic low close up of a huge knobbly tractor tyre biting into brown soil and pushing forward with unstoppable strength, flying clods of earth, no people",None), # Ch7 — the mighty pull at work: drag the plough, climb the hill, for farmers "mm_c7_plough":(1024,720,1726,f"{STYLE}. a mighty red tractor dragging a heavy plough through a big field, curling waves of rich brown soil turning over behind it, a happy farmer in the distance, golden light, no faces close up",None), "mm_c7_hill":(1024,720,1727,f"{STYLE}. a tough boxy SUV climbing a rough rocky green hill with ease, mud and rocks under its strong tyres, adventurous and grand, wide landscape, no faces close up",None), # Ch8 — reveal Mahindra "mm_c8_reveal":(1024,720,1728,f"{STYLE}. {CHARLOTTE} and {MAX} standing proudly before a big modern factory with rows of red tractors and tough SUVs gleaming under a blue sky, EXPRESSION proud recognition; SAME engineer, denim overalls, red cap","charlotte"), "mm_c8_1945":(1024,720,1729,f"{STYLE}. warm sepia 1940s scene, a hopeful new company beginning in India, workers and old machines assembling the very first sturdy vehicles in a small workshop, inspiring, no text",None), "mm_c8_scale":(1024,720,1730,f"{STYLE}. a proud modern assembly line at golden hour, a long row of bright red tractors rolling out one after another, the biggest tractor maker in the world by number, grand and busy, no people",None), # Ch10 (ch9 uses ritual castle/invert/verdict; ch10 uses ritual wake/diary) "mm_c10_look":(1024,720,1731,f"{STYLE}. {CHARLOTTE} outside at golden hour watching a tractor plough a nearby field and a sturdy vehicle roll down the road, knowing each one holds the secret twisting pull, EXPRESSION delighted wonder","charlotte"), } def P(img,cap=None,b1=None,b2=None,sfx=None,sfxc="#e8425a",tall=False): return ("panel",img,cap,b1,b2,sfx,sfxc,tall) def SUB(d,t): return ("sub",d,t) def WOW(t): return ("wow",t) def NOTE(t,b): return ("note",t,b) def TL(r): return ("timeline",r) def MOAT(c): return ("moat",c) CHAPTERS=[ ("c1","CHAPTER 1","The Twitching Compass","pages 1-8",[ P("mm_c1_coin","Back home, Grandpa Ben's compass twitched again — pointing between a fast little race car and a chunky, slow-looking tractor.","A speedy car… and a slow tractor? What's the link?",None,"twitch"), P("mm_c1_diary","The old diary fell open. A new line shimmered in Grandpa Ben's hand.",None,'"Find the mighty PULL hidden inside a spinning engine."'), WOW("A little tractor chugs along slower than a race car — yet it can drag a heavy plough through hard soil and haul loads a race car never could. Where does all that strength come from? That's the puzzle of this whole adventure."), P("mm_c1_swirl","Golden light and spinning gears swirled up and pulled Charlotte in.","Here we GO!",None,"WHOOSH","#e31837"), NOTE("Charlotte's Secret Notebook","Two BIG questions:
➊ How can a slow tractor be so much STRONGER than a fast car?
➋ Grandpa Ben says there is a mighty pull hidden inside a spinning engine. What IS that pull? ⚙️"), ]), ("c2","CHAPTER 2","The Workshop Full of Giants","pages 9-16",[ P("mm_c2_arrive","One blink, and she stood in a sunny workshop crowded with tractors taller than she was, their engines gleaming.","These machines are ENORMOUS!"), P("mm_c2_max","A cheerful man in a red cap waved. \"I'm Max, an engine engineer. In here we build a very mighty kind of PULL.\"","A mighty… PULL?!"), P("mm_c2_pit","A giant red tractor sat up on a ramp, its engine wide open, gears and pistons winking in the light.","So much machine — and it hides a secret PULL?","Stick with me, kiddo."), NOTE("Charlotte's Secret Notebook","Max is an engine engineer, and he grins like he has a secret — just like the other guides did. He calls it a 'mighty pull'. Okay Max… show me how! ✨"), ]), ("c3","CHAPTER 3","The Tiny Fires Inside","pages 17-26",[ P("mm_c3_spark","Max opened a shiny metal tube. \"This is a cylinder. We squirt in a little fuel, add a spark — and POP! A tiny fire flashes inside.\"","A little explosion — INSIDE the engine!"), P("mm_c3_fire","\"Each tiny fire happens hundreds of times a minute,\" said Max, \"one flash after another, over and over.\"","So many little fires!",None,"POP","#e31837"), P("mm_c3_push","\"And every fire does ONE simple job: it shoves a metal piston down — HARD.\"","The fire PUSHES the metal down!",None,"shove","#2b2b2b"), WOW("Here's the first secret! 💡 Inside an engine are metal tubes called cylinders. In each one, a bit of fuel burns in a tiny controlled explosion, hundreds of times a minute. Every little fire does one thing: it pushes a piston down with a strong shove."), ("diagram",), NOTE("Charlotte's Secret Notebook","Fuel burns in little tubes called cylinders. Each tiny fire PUSHES a metal piston down hard — hundreds of pushes every minute. The engine's power starts as lots of tiny fires. 🔥"), ]), ("c4","CHAPTER 4","From Push to Spin","pages 27-36",[ P("mm_c4_pump","\"Watch the pistons,\" said Max. Up, down, up, down — they pumped in a blur.","Up and down, up and down — so fast!"), P("mm_c4_crank","\"But wheels don't go up and down — they SPIN,\" said Max. \"So a clever bent bar called a crankshaft turns every up-and-down push into a smooth round spin.\"","It turns pushing into SPINNING!",None,"turn","#e31837"), P("mm_c4_spin","And there it was — the crankshaft whirling round and round, faster than she could follow.","The straight pushes became a circle!"), WOW("The pistons only go up and down. But a bent bar — the crankshaft — catches every push and swings it around into a smooth spin, just like your legs pushing pedals up and down to spin a bicycle wheel. Push becomes turn."), NOTE("Charlotte's Secret Notebook · SOLVED (part 1)","Tiny fires push pistons up and down. A bent bar called the CRANKSHAFT turns all that up-and-down pushing into a round SPIN — the same way pedalling spins a bike wheel. ⚙️"), ]), ("c5","CHAPTER 5","The Trick of the Gears","pages 37-44",[ P("mm_c5_gears","Max spun a tiny fast gear against a big one. The big gear turned slowly — but oh, so STRONG. \"Gears trade speed for strength,\" he said.","Slower… but MIGHTIER!"), P("mm_c5_bike","\"It's just like your bike,\" he grinned. \"Drop into a low gear on a hill: you pedal fast, but you climb strong and slow. That twisting strength has a name — TORQUE.\"","Torque! The twisting PULL!",None,"climb","#2b2b2b"), WOW("Here's the big secret — TORQUE! 💪 Gears can trade speed for strength. A small fast gear turns a big gear slowly but with huge twisting PULL — just like a low gear on your bike helps you climb a steep hill. That mighty twist is torque."), NOTE("Charlotte's Secret Notebook · SOLVED!","GEARS trade speed for strength. A fast spin becomes a slow, super-strong TWIST called TORQUE. Low gear on a bike = pedal fast, climb strong. That's the mighty pull! 🚲"), ]), ("c6","CHAPTER 6","The Mighty Wheel","pages 45-52",[ P("mm_c6_wheel","The torque flowed to a giant tractor wheel. It turned slowly — but nothing on earth seemed able to stop it.","It turns SLOW but so, so strong!"), P("mm_c6_grip","\"That twisting pull turns the big wheels,\" said Max, \"slowly but mightily — enough to drag a heavy plough or climb a rocky hill.\"","So THAT'S where the strength goes!"), WOW("All that torque flows to the big wheels and turns them slowly but mightily. A race car spins its wheels fast; a tractor turns them slow and STRONG — strong enough to drag a plough through hard soil or crawl up a rough hill. Fire → push → spin → gears → TORQUE → mighty wheels!"), NOTE("Charlotte's Secret Notebook","The torque turns the big wheels slowly but mightily. The whole chain: FIRE → push a piston → spin the crankshaft → GEARS → torque → strong wheels that pull! 💥"), ]), ("c7","CHAPTER 7","The Beast That Ploughs","pages 53-60",[ P("mm_c7_plough","Max swept his arm across the field. A red tractor dragged a plough, curling up waves of rich brown earth.","It's turning the whole field over!"), P("mm_c7_hill","\"And the same mighty pull,\" said Max, \"lets a tough SUV climb rocky hills that would stop an ordinary car.\"","The same twisting power — for hills too!"), WOW("This is what torque is FOR. A tractor's mighty pull drags a heavy plough so a farmer can plant a whole field, and haul loads across the land. That same twisting strength lets a tough SUV climb rough, rocky hills. Slow and strong beats fast and weak — when there's real work to do."), NOTE("Charlotte's Secret Notebook","Torque is for WORK. It lets a tractor drag a plough and turn a whole field, and lets a tough SUV climb rocky hills. Slow-and-strong wins when the job is hard. 🚜"), ]), ("c8","CHAPTER 8 · THE BIG DISCOVERY","The Maker of the Mighty Pull","pages 61-70",[ P("mm_c8_reveal","Max led Charlotte to a viewpoint over a great factory, rows of red tractors and tough SUVs gleaming below.","Who BUILDS all of these?"), P("mm_c8_1945","\"Long ago, in 1945,\" said Max, \"a bold new company began right here in India, building sturdy machines for a whole young country.\"","A company as old as that!"), P("mm_c8_scale","\"It grew and grew — until it made more tractors than anyone else on Earth, and tough SUVs too.\"","The world's BIGGEST tractor maker!"), WOW("A \"company\" can be a giant shared workshop. Mahindra & Mahindra began in 1945 and grew into the world's largest maker of tractors by number — plus tough, go-anywhere SUVs — giving farmers everywhere the mighty pull to work their fields."), TL([("1945","A bold new company begins in India, building sturdy machines."), ("Over decades","It grows into the world's biggest tractor maker by number."), ("Today","Its tractors give farmers a mighty pull; its tough SUVs climb any road."), ("Tomorrow","It keeps inventing — smarter, cleaner engines and new electric power. ⚡")]), NOTE("Charlotte's Secret Notebook","Mahindra & Mahindra (1945) grew into the world's biggest tractor maker by number, and makes tough SUVs too. It builds the mighty PULL that helps farmers work the land. 🏆"), ]), ("c9","CHAPTER 9","The Castle in the Fields","pages 71-80",[ P("mm_c9_castle","Two kind old men appeared with a glow. Warren pointed at a castle standing in golden farm fields. \"What keeps rivals out, Charlotte?\"","Walls! But what kind?"), MOAT([("🤝","Wall One: The Farmers' Trust","For decades farmers have trusted these tractors to never let them down at harvest. Trust like that is earned slowly — and very hard for a rival to copy.",False), ("🛠️","Wall Two: The Village Network","A vast web of dealers and repair shops reaches deep into the villages, so help and spare parts are always near. Building that everywhere takes many years.",False), ("⚙️","Wall Three: Decades of Know-How","Learning to build engines that pull hard and last for years takes long practice. That deep engineering skill can't be bought overnight.",False), ("⚠️","The Crack in the Wall","Many rivals want the very same fields and buyers. The company must keep inventing and keep earning trust, or a hungrier maker could pull ahead.",True)]), P("mm_c9_munger","Charlie tapped his head. \"Don't just ask how to WIN. Ask how you'd LOSE — then don't do that. Invert!\"","Think backwards?"), WOW("Charlie's Inversion: to keep a tractor giant strong, imagine how it could FADE — building weaker engines, letting a rival serve farmers better, or forgetting the villages — then carefully avoid each one, and keep earning the farmers' trust every single season."), P("mm_c9_verdict","Warren nodded. \"Trusted by farmers, close to every village, and rich with know-how — a mighty castle, so long as it keeps inventing and never takes that trust for granted.\"","I SEE the whole picture!"), NOTE("Charlotte's Secret Notebook · The Big Secret","Mahindra is hard to copy: farmers TRUST it, its help reaches every VILLAGE, and it has decades of KNOW-HOW. But rivals want the same fields, so it must keep INVENTING. Charlie's trick: picture how you'd lose, then never do it. Invert! 🏰"), ]), ("c10","CHAPTER 10","The Pull Beneath the Fields","pages 81-88",[ P("mm_c10_wake","Charlotte woke in her own bed. The workshop was gone… but the little toy tractor on her desk seemed to hum with hidden strength.","Was it real? It FELT real…"), P("mm_c10_diary","On the diary's page, a new line glowed — as if Grandpa Ben wrote it just for her.",None,'"Now you know the mighty pull that turns the wheels. Well done."'), P("mm_c10_look","She ran outside. A tractor ploughed a nearby field and a sturdy vehicle rolled by — and now she knew the twisting secret inside each one.","It was TORQUE the whole time — I just couldn't see it!"), WOW("Next time a tractor turns the soil, you'll know the secret: it's torque, the mighty twisting PULL. Tiny fires push pistons, a crankshaft spins them, gears trade speed for strength, and big wheels heave the plough through the earth. That's the beast that ploughs the field. 🚜⚙️"), NOTE("Charlotte's Secret Notebook · What I Learned","➊ Fuel burns in cylinders — tiny fires PUSH the pistons.
➋ A crankshaft turns that up-and-down push into a SPIN.
➌ GEARS trade speed for strength — a slow, mighty twist called TORQUE.
➍ That torque turns big wheels to drag a plough and climb hills.
➎ Mahindra builds the world's most tractors; its moat is farmers' trust, a village-deep network, and know-how — but Charlie's trick says keep inventing so rivals can't pull ahead. Invert! 💛"), ]), ] HOOK=("mm_c1_swirl","EVERY ORDINARY THING HIDES A SECRET.", "Charlotte found the mighty pull twisting inside an engine. But the compass is twitching again — this time toward the tiny glowing screen in her hand that somehow knows everything. What is really happening inside it, and who taught the sand to think?", "NEXT ADVENTURE · The Sand That Learned to Think →") DIAGRAM='''
GEARS TURN SPEED INTO STRENGTH TINY FIREfuel burns in a cylinder pushes down CRANKSHAFTit SPINSpush becomes turn gears trade speed for strength TORQUEmighty pullstrong slow twisting force Fire pushes a piston → the crankshaft SPINS → gears trade speed for STRENGTH → TORQUE turns the big wheels. Slow and strong beats fast and weak — enough to drag a heavy plough through the soil.
Tiny fires push the pistons, the crankshaft spins, gears trade speed for strength, and torque turns the mighty wheels.
''' try: from book_extra import EXTRA, NEW2 NEW.update(NEW2) except Exception: EXTRA={} def render_panel(pn,pageno=None): _,img,cap,b1,b2,sfx,sfxc,tall=pn pg=f'
{pageno}
' if pageno else '' p=[f'
{pg}'] if cap: p.append(f'
{cap}
') if b1: p.append(f'
{b1}
') if b2: p.append(f'
{b2}
') if sfx: p.append(f'
{sfx}
') p.append('
'); return "".join(p) def render_item(it,pageno=None): t=it[0] if t=="panel": return render_panel(it,pageno) if t=="diagram": return DIAGRAM if t=="sub": return f'
{it[1]}{it[2]}
' if t=="wow": return f'
{it[1]}
' if t=="note": return f'
{it[1]}

{it[2]}

' if t=="timeline": rows="".join(f'
{y}

{x}

' for y,x in it[1]) return f'
{rows}
' if t=="moat": cards="".join(f'

{ic} {ti}

{tx}

' for ic,ti,tx,bad in it[1]) return f'
{cards}
' return "" def referenced_images(): imgs=set() for cls,_,_,_,items in CHAPTERS: for it in items: if it[0]=="panel": imgs.add(it[1]) for it in EXTRA.get(cls,[]): if it[0]=="panel": imgs.add(it[1]) imgs.add(HOOK[0]); imgs.add("00_cover"); imgs.add("_ref_max"); return imgs def build(): body=[]; pageno=0 for cls,num,title,pglabel,items in CHAPTERS: items=list(items); extra=EXTRA.get(cls,[]) if extra: idx=[i for i,it in enumerate(items) if it[0]=="panel"] at=(idx[-1]+1) if idx else len(items) for ex in reversed(extra): items.insert(at,ex) start=pageno+1 inner=[f'
{num}

{title}

'] for it in items: if it[0]=="panel": pageno+=1; inner.append(render_item(it,pageno)) else: inner.append(render_item(it)) lbl=f"pages {start}-{pageno}" if pageno>=start else pglabel body.append(f'
{"".join(inner)}
') hook=f'''

{HOOK[1]}

{HOOK[2]}

{HOOK[3]}
''' head=open("/root/omahaindia.com/comics/site/book/mm/_head.html").read() tail=open("/root/omahaindia.com/comics/site/book/mm/_tail.html").read() open(OUT,"w").write(head+"".join(body)+hook+tail) print("built",OUT,"| chapters:",len(CHAPTERS),"| images:",len(referenced_images())) if __name__=="__main__": build()